function definition()
{
global $CFG, $DB;
$mform = $this->_form;
$course = $this->_customdata;
$this->course = $course;
$existing = $DB->get_records('enrol', array('enrol' => 'meta', 'courseid' => $course->id), '', 'customint1, id');
// TODO: this has to be done via ajax or else it will fail very badly on large sites!
$courses = array('' => get_string('choosedots'));
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.id, c.fullname, c.shortname, c.visible {$select} FROM {course} c {$join} ORDER BY c.sortorder ASC";
$rs = $DB->get_recordset_sql($sql);
foreach ($rs as $c) {
if ($c->id == SITEID or $c->id == $course->id or isset($existing[$c->id])) {
continue;
}
context_helper::preload_from_record($c);
$coursecontext = context_course::instance($c->id);
if (!$c->visible and !has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
continue;
}
if (!has_capability('enrol/meta:selectaslinked', $coursecontext)) {
continue;
}
$courses[$c->id] = $coursecontext->get_context_name(false);
}
$rs->close();
$mform->addElement('header', 'general', get_string('pluginname', 'enrol_meta'));
$mform->addElement('select', 'link', get_string('linkedcourse', 'enrol_meta'), $courses);
$mform->addRule('link', get_string('required'), 'required', null, 'client');
$mform->addElement('hidden', 'id', null);
$mform->setType('id', PARAM_INT);
$this->add_action_buttons(true, get_string('addinstance', 'enrol'));
$this->set_data(array('id' => $course->id));
}
/**
* A small functional test of accesslib functions and classes.
* @return void
*/
public function test_everything_in_accesslib() {
global $USER, $SITE, $CFG, $DB, $ACCESSLIB_PRIVATE;
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
// Fill the site with some real data
$testcategories = array();
$testcourses = array();
$testpages = array();
$testblocks = array();
$allroles = $DB->get_records_menu('role', array(), 'id', 'archetype, id');
$systemcontext = context_system::instance();
$frontpagecontext = context_course::instance(SITEID);
// Add block to system context
$bi = $generator->create_block('online_users');
context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Some users
$testusers = array();
for($i=0; $i<20; $i++) {
$user = $generator->create_user();
$testusers[$i] = $user->id;
$usercontext = context_user::instance($user->id);
// Add block to user profile
$bi = $generator->create_block('online_users', array('parentcontextid'=>$usercontext->id));
$testblocks[] = $bi->id;
}
// Deleted user - should be ignored everywhere, can not have context
$generator->create_user(array('deleted'=>1));
// Add block to frontpage
$bi = $generator->create_block('online_users', array('parentcontextid'=>$frontpagecontext->id));
$frontpageblockcontext = context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Add a resource to frontpage
$page = $generator->create_module('page', array('course'=>$SITE->id));
$testpages[] = $page->id;
$frontpagepagecontext = context_module::instance($page->cmid);
// Add block to frontpage resource
$bi = $generator->create_block('online_users', array('parentcontextid'=>$frontpagepagecontext->id));
$frontpagepageblockcontext = context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Some nested course categories with courses
$manualenrol = enrol_get_plugin('manual');
$parentcat = 0;
for($i=0; $i<5; $i++) {
$cat = $generator->create_category(array('parent'=>$parentcat));
$testcategories[] = $cat->id;
$catcontext = context_coursecat::instance($cat->id);
$parentcat = $cat->id;
if ($i >=4) {
continue;
}
// Add resource to each category
$bi = $generator->create_block('online_users', array('parentcontextid'=>$catcontext->id));
context_block::instance($bi->id);
// Add a few courses to each category
for($j=0; $j<6; $j++) {
$course = $generator->create_course(array('category'=>$cat->id));
$testcourses[] = $course->id;
$coursecontext = context_course::instance($course->id);
if ($j >= 5) {
continue;
}
// Add manual enrol instance
$manualenrol->add_default_instance($DB->get_record('course', array('id'=>$course->id)));
// Add block to each course
$bi = $generator->create_block('online_users', array('parentcontextid'=>$coursecontext->id));
$testblocks[] = $bi->id;
// Add a resource to each course
$page = $generator->create_module('page', array('course'=>$course->id));
$testpages[] = $page->id;
$modcontext = context_module::instance($page->cmid);
// Add block to each module
$bi = $generator->create_block('online_users', array('parentcontextid'=>$modcontext->id));
$testblocks[] = $bi->id;
}
}
// Make sure all contexts were created properly
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
// ====== context_helper::get_level_name() ================================
$levels = context_helper::get_all_levels();
foreach ($levels as $level=>$classname) {
$name = context_helper::get_level_name($level);
$this->assertFalse(empty($name));
}
// ======= context::instance_by_id(), context_xxx::instance();
$context = context::instance_by_id($frontpagecontext->id);
$this->assertSame($context->contextlevel, CONTEXT_COURSE);
$this->assertFalse(context::instance_by_id(-1, IGNORE_MISSING));
try {
context::instance_by_id(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertTrue(context_system::instance() instanceof context_system);
$this->assertTrue(context_coursecat::instance($testcategories[0]) instanceof context_coursecat);
$this->assertTrue(context_course::instance($testcourses[0]) instanceof context_course);
$this->assertTrue(context_module::instance($testpages[0]) instanceof context_module);
$this->assertTrue(context_block::instance($testblocks[0]) instanceof context_block);
$this->assertFalse(context_coursecat::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_course::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_module::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_block::instance(-1, IGNORE_MISSING));
try {
context_coursecat::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_course::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_module::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_block::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
// ======= $context->get_url(), $context->get_context_name(), $context->get_capabilities() =========
$testcontexts = array();
$testcontexts[CONTEXT_SYSTEM] = context_system::instance();
$testcontexts[CONTEXT_COURSECAT] = context_coursecat::instance($testcategories[0]);
$testcontexts[CONTEXT_COURSE] = context_course::instance($testcourses[0]);
$testcontexts[CONTEXT_MODULE] = context_module::instance($testpages[0]);
$testcontexts[CONTEXT_BLOCK] = context_block::instance($testblocks[0]);
foreach ($testcontexts as $context) {
$name = $context->get_context_name(true, true);
$this->assertFalse(empty($name));
$this->assertTrue($context->get_url() instanceof moodle_url);
$caps = $context->get_capabilities();
$this->assertTrue(is_array($caps));
foreach ($caps as $cap) {
$cap = (array)$cap;
$this->assertSame(array_keys($cap), array('id', 'name', 'captype', 'contextlevel', 'component', 'riskbitmask'));
}
}
unset($testcontexts);
// ===== $context->get_course_context() =========================================
$this->assertFalse($systemcontext->get_course_context(false));
try {
$systemcontext->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$context = context_coursecat::instance($testcategories[0]);
$this->assertFalse($context->get_course_context(false));
try {
$context->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertSame($frontpagecontext->get_course_context(true), $frontpagecontext);
$this->assertSame($frontpagepagecontext->get_course_context(true), $frontpagecontext);
$this->assertSame($frontpagepageblockcontext->get_course_context(true), $frontpagecontext);
// ======= $context->get_parent_context(), $context->get_parent_contexts(), $context->get_parent_context_ids() =======
$userid = reset($testusers);
$usercontext = context_user::instance($userid);
$this->assertSame($usercontext->get_parent_context(), $systemcontext);
$this->assertSame($usercontext->get_parent_contexts(), array($systemcontext->id=>$systemcontext));
$this->assertSame($usercontext->get_parent_contexts(true), array($usercontext->id=>$usercontext, $systemcontext->id=>$systemcontext));
$this->assertSame($systemcontext->get_parent_contexts(), array());
$this->assertSame($systemcontext->get_parent_contexts(true), array($systemcontext->id=>$systemcontext));
$this->assertSame($systemcontext->get_parent_context_ids(), array());
$this->assertSame($systemcontext->get_parent_context_ids(true), array($systemcontext->id));
$this->assertSame($frontpagecontext->get_parent_context(), $systemcontext);
$this->assertSame($frontpagecontext->get_parent_contexts(), array($systemcontext->id=>$systemcontext));
$this->assertSame($frontpagecontext->get_parent_contexts(true), array($frontpagecontext->id=>$frontpagecontext, $systemcontext->id=>$systemcontext));
$this->assertSame($frontpagecontext->get_parent_context_ids(), array($systemcontext->id));
$this->assertEquals($frontpagecontext->get_parent_context_ids(true), array($frontpagecontext->id, $systemcontext->id));
$this->assertSame($systemcontext->get_parent_context(), false);
$frontpagecontext = context_course::instance($SITE->id);
$parent = $systemcontext;
foreach ($testcategories as $catid) {
$catcontext = context_coursecat::instance($catid);
$this->assertSame($catcontext->get_parent_context(), $parent);
$parent = $catcontext;
}
$this->assertSame($frontpagepagecontext->get_parent_context(), $frontpagecontext);
$this->assertSame($frontpageblockcontext->get_parent_context(), $frontpagecontext);
$this->assertSame($frontpagepageblockcontext->get_parent_context(), $frontpagepagecontext);
// ====== $context->get_child_contexts() ================================
$CFG->debug = 0;
$children = $systemcontext->get_child_contexts();
$CFG->debug = DEBUG_DEVELOPER;
$this->assertEquals(count($children)+1, $DB->count_records('context'));
$context = context_coursecat::instance($testcategories[3]);
$children = $context->get_child_contexts();
$countcats = 0;
$countcourses = 0;
$countblocks = 0;
foreach ($children as $child) {
if ($child->contextlevel == CONTEXT_COURSECAT) {
$countcats++;
}
if ($child->contextlevel == CONTEXT_COURSE) {
$countcourses++;
}
if ($child->contextlevel == CONTEXT_BLOCK) {
$countblocks++;
}
}
$this->assertEquals(count($children), 8);
$this->assertEquals($countcats, 1);
$this->assertEquals($countcourses, 6);
$this->assertEquals($countblocks, 1);
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 7); // depends on number of default blocks
$context = context_module::instance($testpages[3]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 1);
$context = context_block::instance($testblocks[1]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 0);
unset($children);
unset($countcats);
unset($countcourses);
unset($countblocks);
// ======= context_helper::reset_caches() ============================
context_helper::reset_caches();
$this->assertEquals(context_inspection::test_context_cache_size(), 0);
context_course::instance($SITE->id);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
// ======= context preloading ========================================
context_helper::reset_caches();
$sql = "SELECT ".context_helper::get_preload_record_columns_sql('c')."
FROM {context} c
WHERE c.contextlevel <> ".CONTEXT_SYSTEM;
$records = $DB->get_records_sql($sql);
$firstrecord = reset($records);
$columns = context_helper::get_preload_record_columns('c');
$firstrecord = (array)$firstrecord;
$this->assertSame(array_keys($firstrecord), array_values($columns));
context_helper::reset_caches();
foreach ($records as $record) {
context_helper::preload_from_record($record);
$this->assertEquals($record, new stdClass());
}
$this->assertEquals(context_inspection::test_context_cache_size(), count($records));
unset($records);
unset($columns);
context_helper::reset_caches();
context_helper::preload_course($SITE->id);
$this->assertEquals(7, context_inspection::test_context_cache_size()); // depends on number of default blocks
// ====== assign_capability(), unassign_capability() ====================
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_PREVENT);
assign_capability('moodle/site:accessallgroups', CAP_INHERIT, $allroles['teacher'], $frontpagecontext);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext->id, true);
unset($rc);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// ======= role_assign(), role_unassign(), role_unassign_all() ==============
$context = context_course::instance($testcourses[1]);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 0);
role_assign($allroles['teacher'], $testusers[1], $context->id);
role_assign($allroles['teacher'], $testusers[2], $context->id);
role_assign($allroles['manager'], $testusers[1], $context->id);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 3);
role_unassign($allroles['teacher'], $testusers[1], $context->id);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 2);
role_unassign_all(array('contextid'=>$context->id));
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 0);
unset($context);
accesslib_clear_all_caches(false); // just in case
// ====== has_capability(), get_users_by_capability(), role_switch(), reload_all_capabilities() and friends ========================
$adminid = get_admin()->id;
$guestid = $CFG->siteguest;
// Enrol some users into some courses
$course1 = $DB->get_record('course', array('id'=>$testcourses[22]), '*', MUST_EXIST);
$course2 = $DB->get_record('course', array('id'=>$testcourses[7]), '*', MUST_EXIST);
$cms = $DB->get_records('course_modules', array('course'=>$course1->id), 'id');
$cm1 = reset($cms);
$blocks = $DB->get_records('block_instances', array('parentcontextid'=>context_module::instance($cm1->id)->id), 'id');
$block1 = reset($blocks);
$instance1 = $DB->get_record('enrol', array('enrol'=>'manual', 'courseid'=>$course1->id));
$instance2 = $DB->get_record('enrol', array('enrol'=>'manual', 'courseid'=>$course2->id));
for($i=0; $i<9; $i++) {
$manualenrol->enrol_user($instance1, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance1, $testusers[8], $allroles['teacher']);
$manualenrol->enrol_user($instance1, $testusers[9], $allroles['editingteacher']);
for($i=10; $i<15; $i++) {
$manualenrol->enrol_user($instance2, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance2, $testusers[15], $allroles['editingteacher']);
// Add tons of role assignments - the more the better
role_assign($allroles['coursecreator'], $testusers[11], context_coursecat::instance($testcategories[2]));
role_assign($allroles['manager'], $testusers[12], context_coursecat::instance($testcategories[1]));
role_assign($allroles['student'], $testusers[9], context_module::instance($cm1->id));
role_assign($allroles['teacher'], $testusers[8], context_module::instance($cm1->id));
role_assign($allroles['guest'], $testusers[13], context_course::instance($course1->id));
role_assign($allroles['teacher'], $testusers[7], context_block::instance($block1->id));
role_assign($allroles['manager'], $testusers[9], context_block::instance($block1->id));
role_assign($allroles['editingteacher'], $testusers[9], context_course::instance($course1->id));
role_assign($allroles['teacher'], $adminid, context_course::instance($course1->id));
role_assign($allroles['editingteacher'], $adminid, context_block::instance($block1->id));
// Add tons of overrides - the more the better
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpageblockcontext, true);
assign_capability('moodle/block:view', CAP_PROHIBIT, $allroles['guest'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['user'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['student'], $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $CFG->defaultuserroleid, $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['user'], $frontpagepagecontext, true);
assign_capability('moodle/page:view', CAP_ALLOW, $allroles['student'], $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['guest'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PROHIBIT, $allroles['user'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $systemcontext, true);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// Extra tests for guests and not-logged-in users because they can not be verified by cross checking
// with get_users_by_capability() where they are ignored
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, $guestid));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, $guestid));
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, 0));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, 0));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, 0));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, 0));
$this->assertFalse(has_capability('moodle/course:create', $systemcontext, $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_coursecat::instance($testcategories[2]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:create', context_course::instance($testcourses[1]), $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_course::instance($testcourses[19]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[1]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[19]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', $systemcontext, $testusers[9]));
// Test the list of enrolled users
$coursecontext = context_course::instance($course1->id);
$enrolled = get_enrolled_users($coursecontext);
$this->assertEquals(count($enrolled), 10);
for($i=0; $i<10; $i++) {
$this->assertTrue(isset($enrolled[$testusers[$i]]));
}
$enrolled = get_enrolled_users($coursecontext, 'moodle/course:update');
$this->assertEquals(count($enrolled), 1);
$this->assertTrue(isset($enrolled[$testusers[9]]));
unset($enrolled);
// role switching
$userid = $testusers[9];
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(is_role_switched($course1->id));
role_switch($allroles['student'], $coursecontext);
$this->assertTrue(is_role_switched($course1->id));
$this->assertEquals($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
role_switch(0, $coursecontext);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$userid = $adminid;
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$blockcontext = context_block::instance($block1->id);
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
role_switch($allroles['student'], $coursecontext);
$this->assertEquals($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
load_all_capabilities();
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
// temp course role for enrol
$DB->delete_records('cache_flags', array()); // this prevents problem with dirty contexts immediately resetting the temp role - this is a known problem...
$userid = $testusers[5];
$roleid = $allroles['editingteacher'];
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(isset($USER->access['ra'][$coursecontext->path][$roleid]));
load_temp_course_role($coursecontext, $roleid);
$this->assertEquals($USER->access['ra'][$coursecontext->path][$roleid], $roleid);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
remove_temp_course_roles($coursecontext);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
load_temp_course_role($coursecontext, $roleid);
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
$USER = new stdClass();
$USER->id = 0;
// Now cross check has_capability() with get_users_by_capability(), each using different code paths,
// they have to be kept in sync, usually only one of them breaks, so we know when something is wrong,
// at the same time validate extra restrictions (guest read only no risks, admin exception, non existent and deleted users)
$contexts = $DB->get_records('context', array(), 'id');
$contexts = array_values($contexts);
$capabilities = $DB->get_records('capabilities', array(), 'id');
$capabilities = array_values($capabilities);
$roles = array($allroles['guest'], $allroles['user'], $allroles['teacher'], $allroles['editingteacher'], $allroles['coursecreator'], $allroles['manager']);
$userids = array_values($testusers);
$userids[] = get_admin()->id;
if (!PHPUNIT_LONGTEST) {
$contexts = array_slice($contexts, 0, 10);
$capabilities = array_slice($capabilities, 0, 5);
$userids = array_slice($userids, 0, 5);
}
// Random time!
//srand(666);
foreach($userids as $userid) { // no guest or deleted
// each user gets 0-10 random roles
$rcount = rand(0, 10);
for($j=0; $j<$rcount; $j++) {
$roleid = $roles[rand(0, count($roles)-1)];
$contextid = $contexts[rand(0, count($contexts)-1)]->id;
role_assign($roleid, $userid, $contextid);
}
}
$permissions = array(CAP_ALLOW, CAP_PREVENT, CAP_INHERIT, CAP_PREVENT);
$maxoverrides = count($contexts)*10;
for($j=0; $j<$maxoverrides; $j++) {
$roleid = $roles[rand(0, count($roles)-1)];
$contextid = $contexts[rand(0, count($contexts)-1)]->id;
$permission = $permissions[rand(0,count($permissions)-1)];
$capname = $capabilities[rand(0, count($capabilities)-1)]->name;
assign_capability($capname, $permission, $roleid, $contextid, true);
}
unset($permissions);
unset($roles);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// Test time - let's set up some real user, just in case the logic for USER affects the others...
$USER = $DB->get_record('user', array('id'=>$testusers[3]));
load_all_capabilities();
$userids[] = $CFG->siteguest;
$userids[] = 0; // not-logged-in user
$userids[] = -1; // non-existent user
foreach ($contexts as $crecord) {
$context = context::instance_by_id($crecord->id);
if ($coursecontext = $context->get_course_context(false)) {
$enrolled = get_enrolled_users($context);
} else {
$enrolled = array();
}
foreach ($capabilities as $cap) {
$allowed = get_users_by_capability($context, $cap->name, 'u.id, u.username');
if ($enrolled) {
$enrolledwithcap = get_enrolled_users($context, $cap->name);
} else {
$enrolledwithcap = array();
}
foreach ($userids as $userid) {
if ($userid == 0 or isguestuser($userid)) {
if ($userid == 0) {
$CFG->forcelogin = true;
$this->assertFalse(has_capability($cap->name, $context, $userid));
unset($CFG->forcelogin);
}
if (($cap->captype === 'write') or ($cap->riskbitmask & (RISK_XSS | RISK_CONFIG | RISK_DATALOSS))) {
$this->assertFalse(has_capability($cap->name, $context, $userid));
}
$this->assertFalse(isset($allowed[$userid]));
} else {
if (is_siteadmin($userid)) {
$this->assertTrue(has_capability($cap->name, $context, $userid, true));
}
$hascap = has_capability($cap->name, $context, $userid, false);
$this->assertSame($hascap, isset($allowed[$userid]), "Capability result mismatch user:$userid, context:$context->id, $cap->name, hascap: ".(int)$hascap." ");
if (isset($enrolled[$userid])) {
$this->assertSame(isset($allowed[$userid]), isset($enrolledwithcap[$userid]), "Enrolment with capability result mismatch user:$userid, context:$context->id, $cap->name, hascap: ".(int)$hascap." ");
}
}
}
}
}
// Back to nobody
$USER = new stdClass();
$USER->id = 0;
unset($contexts);
unset($userids);
unset($capabilities);
// Now let's do all the remaining tests that break our carefully prepared fake site
// ======= $context->mark_dirty() =======================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
$systemcontext->mark_dirty();
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$systemcontext->path]));
// ======= $context->reload_if_dirty(); =================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
load_all_capabilities();
$context = context_course::instance($testcourses[2]);
$page = $DB->get_record('page', array('course'=>$testcourses[2]));
$pagecontext = context_module::instance($page->id);
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$context->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$pagecontext->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
// ======= context_helper::build_all_paths() ============================
$oldcontexts = $DB->get_records('context', array(), 'id');
$DB->set_field_select('context', 'path', NULL, "contextlevel <> ".CONTEXT_SYSTEM);
$DB->set_field_select('context', 'depth', 0, "contextlevel <> ".CONTEXT_SYSTEM);
context_helper::build_all_paths();
$newcontexts = $DB->get_records('context', array(), 'id');
$this->assertEquals($oldcontexts, $newcontexts);
unset($oldcontexts);
unset($newcontexts);
// ======= $context->reset_paths() ======================================
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$context->reset_paths(false);
$this->assertSame($DB->get_field('context', 'path', array('id'=>$context->id)), NULL);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$context->id)), 0);
foreach ($children as $child) {
$this->assertSame($DB->get_field('context', 'path', array('id'=>$child->id)), NULL);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$child->id)), 0);
}
$this->assertEquals(count($children)+1, $DB->count_records('context', array('depth'=>0)));
$this->assertEquals(count($children)+1, $DB->count_records('context', array('path'=>NULL)));
$context = context_course::instance($testcourses[2]);
$context->reset_paths(true);
$context = context_course::instance($testcourses[2]);
$this->assertEquals($DB->get_field('context', 'path', array('id'=>$context->id)), $context->path);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$context->id)), $context->depth);
$this->assertEquals(0, $DB->count_records('context', array('depth'=>0)));
$this->assertEquals(0, $DB->count_records('context', array('path'=>NULL)));
// ====== $context->update_moved(); ======================================
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id'=>$testcourses[0]));
$context = context_course::instance($course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
$context->update_moved($categorycontext);
$context = context_course::instance($course->id);
$this->assertEquals($context->get_parent_context(), $categorycontext);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$oldpath]));
$this->assertTrue(isset($dirty[$context->path]));
// ====== $context->delete_content() =====================================
context_helper::reset_caches();
$context = context_module::instance($testpages[3]);
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(1, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
$context->delete_content();
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(0, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
// ====== $context->delete() =============================
context_helper::reset_caches();
$context = context_module::instance($testpages[4]);
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(1, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
$bi = $DB->get_record('block_instances', array('parentcontextid'=>$context->id));
$bicontext = context_block::instance($bi->id);
$DB->delete_records('cache_flags', array());
$context->delete(); // should delete also linked blocks
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$context->path]));
$this->assertFalse($DB->record_exists('context', array('id'=>$context->id)));
$this->assertFalse($DB->record_exists('context', array('id'=>$bicontext->id)));
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_MODULE, 'instanceid'=>$testpages[4])));
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_BLOCK, 'instanceid'=>$bi->id)));
$this->assertEquals(0, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
context_module::instance($testpages[4]);
// ====== context_helper::delete_instance() =============================
context_helper::reset_caches();
$lastcourse = array_pop($testcourses);
$this->assertTrue($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$lastcourse)));
$coursecontext = context_course::instance($lastcourse);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
$this->assertFalse($coursecontext->instanceid == CONTEXT_COURSE);
$DB->delete_records('cache_flags', array());
context_helper::delete_instance(CONTEXT_COURSE, $lastcourse);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$coursecontext->path]));
$this->assertEquals(context_inspection::test_context_cache_size(), 0);
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$lastcourse)));
context_course::instance($lastcourse);
// ======= context_helper::create_instances() ==========================
$prevcount = $DB->count_records('context');
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
context_helper::create_instances(null, true);
$this->assertSame($DB->count_records('context'), $prevcount);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
$DB->delete_records('block_instances', array());
$prevcount = $DB->count_records('context');
$DB->delete_records_select('context', 'contextlevel <> '.CONTEXT_SYSTEM);
context_helper::create_instances(null, true);
$this->assertSame($DB->count_records('context'), $prevcount);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
// ======= context_helper::cleanup_instances() ==========================
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id'=>$lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id'=>$lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id'=>$lastuser));
$DB->delete_records('block_instances', array('parentcontextid'=>$frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id'=>$frontpagepagecontext->instanceid));
context_helper::cleanup_instances();
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
// ======= context cache size restrictions ==============================
$testusers= array();
for ($i=0; $i<CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
$user = $generator->create_user();
$testusers[$i] = $user->id;
}
context_helper::create_instances(null, true);
context_helper::reset_caches();
for ($i=0; $i<CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
context_user::instance($testusers[$i]);
if ($i == CONTEXT_CACHE_MAX_SIZE - 1) {
$this->assertEquals(context_inspection::test_context_cache_size(), CONTEXT_CACHE_MAX_SIZE);
} else if ($i == CONTEXT_CACHE_MAX_SIZE) {
// once the limit is reached roughly 1/3 of records should be removed from cache
$this->assertEquals(context_inspection::test_context_cache_size(), (int)(CONTEXT_CACHE_MAX_SIZE * (2/3) +102));
}
}
// We keep the first 100 cached
$prevsize = context_inspection::test_context_cache_size();
for ($i=0; $i<100; $i++) {
context_user::instance($testusers[$i]);
$this->assertEquals(context_inspection::test_context_cache_size(), $prevsize);
}
context_user::instance($testusers[102]);
$this->assertEquals(context_inspection::test_context_cache_size(), $prevsize+1);
unset($testusers);
// =================================================================
// ======= basic test of legacy functions ==========================
// =================================================================
// note: watch out, the fake site might be pretty borked already
$this->assertSame(get_system_context(), context_system::instance());
foreach ($DB->get_records('context') as $contextid=>$record) {
$context = context::instance_by_id($contextid);
$this->assertSame(get_context_instance_by_id($contextid), $context);
$this->assertSame(get_context_instance($record->contextlevel, $record->instanceid), $context);
$this->assertSame(get_parent_contexts($context), $context->get_parent_context_ids());
if ($context->id == SYSCONTEXTID) {
$this->assertSame(get_parent_contextid($context), false);
} else {
$this->assertSame(get_parent_contextid($context), $context->get_parent_context()->id);
}
}
$CFG->debug = 0;
$children = get_child_contexts($systemcontext);
$CFG->debug = DEBUG_DEVELOPER;
$this->assertEquals(count($children), $DB->count_records('context')-1);
unset($children);
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
create_contexts();
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_BLOCK)));
$DB->set_field('context', 'depth', 0, array('contextlevel'=>CONTEXT_BLOCK));
build_context_path();
$this->assertFalse($DB->record_exists('context', array('depth'=>0)));
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id'=>$lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id'=>$lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id'=>$lastuser));
$DB->delete_records('block_instances', array('parentcontextid'=>$frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id'=>$frontpagepagecontext->instanceid));
cleanup_contexts();
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
context_helper::reset_caches();
preload_course_contexts($SITE->id);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
context_helper::reset_caches();
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSECAT, 'ctx');
$sql = "SELECT c.id $select FROM {course_categories} c $join";
$records = $DB->get_records_sql($sql);
foreach ($records as $record) {
context_instance_preload($record);
$record = (array)$record;
$this->assertEquals(1, count($record)); // only id left
}
$this->assertEquals(count($records), context_inspection::test_context_cache_size());
accesslib_clear_all_caches(true);
$DB->delete_records('cache_flags', array());
mark_context_dirty($systemcontext->path);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id'=>$testcourses[2]));
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
context_moved($context, $categorycontext);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$this->assertEquals($context->get_parent_context(), $categorycontext);
$this->assertTrue($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$testcourses[2])));
delete_context(CONTEXT_COURSE, $testcourses[2]);
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$testcourses[2])));
$name = get_contextlevel_name(CONTEXT_COURSE);
$this->assertFalse(empty($name));
$context = get_context_instance(CONTEXT_COURSE, $testcourses[2]);
$name = print_context_name($context);
$this->assertFalse(empty($name));
$url = get_context_url($coursecontext);
$this->assertFalse($url instanceof modole_url);
$page = $DB->get_record('page', array('id'=>$testpages[7]));
$context = get_context_instance(CONTEXT_MODULE, $page->id);
$coursecontext = get_course_context($context);
$this->assertEquals($coursecontext->contextlevel, CONTEXT_COURSE);
$this->assertEquals(get_courseid_from_context($context), $page->course);
$caps = fetch_context_capabilities($systemcontext);
$this->assertTrue(is_array($caps));
unset($caps);
}
/**
* Get course participant's details
* @param array $userlist array of user ids and according course ids
* @return array An array of arrays describing course participants
*/
public static function get_course_participants_by_id($userlist) {
global $CFG, $USER, $DB;
require_once($CFG->dirroot . "/user/lib.php");
require_once($CFG->dirroot . "/user/profile/lib.php"); //custom field library
require_once($CFG->dirroot . "/lib/filelib.php"); // file handling on description and friends
$isadmin = is_siteadmin($USER);
$params = self::validate_parameters(self::get_course_participants_by_id_parameters(), array('userlist'=>$userlist));
$userids = array();
$courseids = array();
foreach ($params['userlist'] as $value) {
$userids[] = $value['userid'];
$courseids[$value['userid']] = $value['courseid'];
}
// cache all courses
$courses = array();
list($cselect, $cjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
list($sqlcourseids, $params) = $DB->get_in_or_equal(array_unique($courseids));
$coursesql = "SELECT c.* $uselect
FROM {course} c $cjoin
WHERE c.id $sqlcourseids";
$rs = $DB->get_recordset_sql($coursesql, $params);
foreach ($rs as $course) {
// adding course contexts to cache
context_instance_preload($course);
// cache courses
$courses[$course->id] = $course;
}
$rs->close();
list($uselect, $ujoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
list($sqluserids, $params) = $DB->get_in_or_equal($userids);
$usersql = "SELECT u.* $uselect
FROM {user} u $ujoin
WHERE u.id $sqluserids";
$users = $DB->get_recordset_sql($usersql, $params);
$result = array();
foreach ($users as $user) {
if (!empty($user->deleted)) {
continue;
}
context_instance_preload($user);
$usercontext = get_context_instance(CONTEXT_USER, $user->id);
$course = $courses[$courseids[$user->id]];
$context = get_context_instance(CONTEXT_COURSE, $courseids[$user->id]);
$hasviewdetailscap = has_capability('moodle/user:viewdetails', $context) || has_capability('moodle/user:viewdetails', $usercontext);
self::validate_context($context);
$currentuser = ($user->id == $USER->id);
if (!$currentuser && !$hasviewdetailscap && !has_coursecontact_role($user->id)) {
throw new moodle_exception('usernotavailable', 'error');
}
$userarray = array();
//basic fields
$userarray['id'] = $user->id;
if ($isadmin) {
$userarray['username'] = $user->username;
}
if ($isadmin or has_capability('moodle/site:viewfullnames', $context)) {
$userarray['firstname'] = $user->firstname;
$userarray['lastname'] = $user->lastname;
}
$userarray['fullname'] = fullname($user);
//Custom fields (matching /user/profile/lib.php - profile_display_fields code logic)
$userarray['customfields'] = array();
$fields = $DB->get_recordset_sql("SELECT f.*
FROM {user_info_field} f
JOIN {user_info_category} c
ON f.categoryid=c.id
ORDER BY c.sortorder ASC, f.sortorder ASC");
foreach ($fields as $field) {
require_once($CFG->dirroot.'/user/profile/field/'.$field->datatype.'/field.class.php');
$newfield = 'profile_field_'.$field->datatype;
$formfield = new $newfield($field->id, $user->id);
if ($formfield->is_visible() and !$formfield->is_empty()) {
$userarray['customfields'][] =
array('name' => $formfield->field->name, 'value' => $formfield->data,
'type' => $field->datatype, 'shortname' => $formfield->field->shortname);
}
}
$fields->close();
//image profiles urls (public, no permission required in fact)
$profileimageurl = moodle_url::make_pluginfile_url($usercontext->id, 'user', 'icon', NULL, '/', 'f1');
$userarray['profileimageurl'] = $profileimageurl->out(false);
$profileimageurlsmall = moodle_url::make_pluginfile_url($usercontext->id, 'user', 'icon', NULL, '/', 'f2');
$userarray['profileimageurlsmall'] = $profileimageurlsmall->out(false);
//hidden user field
if (has_capability('moodle/course:viewhiddenuserfields', $context)) {
$hiddenfields = array();
} else {
$hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
}
if (isset($user->description) && (!isset($hiddenfields['description']) or $isadmin)) {
if (empty($CFG->profilesforenrolledusersonly) || $currentuser) {
$user->description = file_rewrite_pluginfile_urls($user->description, 'pluginfile.php', $context->id, 'user', 'profile', null);
$userarray['description'] = $user->description;
$userarray['descriptionformat'] = $user->descriptionformat;
}
}
if ((! isset($hiddenfields['country']) or $isadmin) && $user->country) {
$userarray['country'] = $user->country;
}
if ((! isset($hiddenfields['city']) or $isadmin) && $user->city) {
$userarray['city'] = $user->city;
}
if (has_capability('moodle/course:viewhiddenuserfields', $context)) {
if ($user->address) {
$userarray['address'] = $user->address;
}
if ($user->phone1) {
$userarray['phone1'] = $user->phone1;
}
if ($user->phone2) {
$userarray['phone2'] = $user->phone2;
}
}
if ($currentuser
or $user->maildisplay == 1
or has_capability('moodle/course:useremail', $context)
or ($user->maildisplay == 2 and enrol_sharing_course($user, $USER))) {
$userarray['email'] = $user->email;;
}
if ($user->url && (!isset($hiddenfields['webpage']) or $isadmin)) {
$url = $user->url;
if (strpos($user->url, '://') === false) {
$url = 'http://'. $url;
}
$user->url = clean_param($user->url, PARAM_URL);
$userarray['url'] = $user->url;
}
if ($user->icq && (!isset($hiddenfields['icqnumber']) or $isadmin)) {
$userarray['icq'] = $user->icq;
}
if ($user->skype && (!isset($hiddenfields['skypeid']) or $isadmin)) {
$userarray['skype'] = $user->skype;
}
if ($user->yahoo && (!isset($hiddenfields['yahooid']) or $isadmin)) {
$userarray['yahoo'] = $user->yahoo;
}
if ($user->aim && (!isset($hiddenfields['aimid']) or $isadmin)) {
$userarray['aim'] = $user->aim;
}
if ($user->msn && (!isset($hiddenfields['msnid']) or $isadmin)) {
$userarray['msn'] = $user->msn;
}
if ((!isset($hiddenfields['firstaccess'])) or $isadmin) {
if ($user->firstaccess) {
$userarray['firstaccess'] = $user->firstaccess;
} else {
$userarray['firstaccess'] = 0;
}
}
if ((!isset($hiddenfields['lastaccess'])) or $isadmin) {
if ($user->lastaccess) {
$userarray['lastaccess'] = $user->lastaccess;
} else {
$userarray['lastaccess'] = 0;
}
}
/// Printing tagged interests
if (!empty($CFG->usetags)) {
require_once($CFG->dirroot . '/tag/lib.php');
if ($interests = tag_get_tags_csv('user', $user->id, TAG_RETURN_TEXT) ) {
$userarray['interests'] = $interests;
}
}
//Departement/Institution are not displayed on any profile, however you can get them from editing profile.
if ($isadmin or $currentuser) {
if ($user->institution) {
$userarray['institution'] = $user->institution;
}
if (isset($user->department)) { //isset because it's ok to have department 0
$userarray['department'] = $user->department;
}
}
// not a big secret
$userarray['roles'] = array();
$roles = get_user_roles($context, $user->id, false);
foreach ($roles as $role) {
$userarray['roles'][] = array(
'roleid' => $role->roleid,
'name' => $role->name,
'shortname' => $role->shortname,
'sortorder' => $role->sortorder
);
}
// If groups are in use and enforced throughout the course, then make sure we can meet in at least one course level group
if (has_capability('moodle/site:accessallgroups', $context)) {
$usergroups = groups_get_all_groups($course->id, $user->id, $course->defaultgroupingid, 'g.id, g.name,g.description');
foreach ($usergroups as $group) {
$group->description = file_rewrite_pluginfile_urls($group->description, 'pluginfile.php', $context->id, 'group', 'description', $group->id);
$userarray['groups'][] = array('id'=>$group->id, 'name'=>$group->name, 'description'=>$group->description);
}
}
$result[] = $userarray;
}
$users->close();
return $result;
}
/**
* Gets all of the courses where the provided user has posted in a forum.
*
* @global moodle_database $DB The database connection
* @param stdClass $user The user who's posts we are looking for
* @param bool $discussionsonly If true only look for discussions started by the user
* @param bool $includecontexts If set to trye contexts for the courses will be preloaded
* @param int $limitfrom The offset of records to return
* @param int $limitnum The number of records to return
* @return array An array of courses
*/
function forum_get_courses_user_posted_in($user, $discussionsonly = false, $includecontexts = true, $limitfrom = null, $limitnum = null) {
global $DB;
// If we are only after discussions we need only look at the forum_discussions
// table and join to the userid there. If we are looking for posts then we need
// to join to the forum_posts table.
if (!$discussionsonly) {
$joinsql = 'JOIN {forum_discussions} fd ON fd.course = c.id
JOIN {forum_posts} fp ON fp.discussion = fd.id';
$wheresql = 'fp.userid = :userid';
$params = array('userid' => $user->id);
} else {
$joinsql = 'JOIN {forum_discussions} fd ON fd.course = c.id';
$wheresql = 'fd.userid = :userid';
$params = array('userid' => $user->id);
}
// Join to the context table so that we can preload contexts if required.
if ($includecontexts) {
list($ctxselect, $ctxjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
} else {
$ctxselect = '';
$ctxjoin = '';
}
// Now we need to get all of the courses to search.
// All courses where the user has posted within a forum will be returned.
$sql = "SELECT DISTINCT c.* $ctxselect
FROM {course} c
$joinsql
$ctxjoin
WHERE $wheresql";
$courses = $DB->get_records_sql($sql, $params, $limitfrom, $limitnum);
if ($includecontexts) {
array_map('context_instance_preload', $courses);
}
return $courses;
}
/**
* This function gets called by {@link load_user_settings()} and actually works out
* what can be shown/done
*
* @global moodle_database $DB
* @param int $courseid The current course' id
* @param int $userid The user id to load for
* @param string $gstitle The string to pass to get_string for the branch title
* @return navigation_node|false
*/
protected function generate_user_settings($courseid, $userid, $gstitle = 'usercurrentsettings')
{
global $DB, $CFG, $USER, $SITE;
if ($courseid != SITEID) {
if (!empty($this->page->course->id) && $this->page->course->id == $courseid) {
$course = $this->page->course;
} else {
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$select} FROM {course} c {$join} WHERE c.id = :courseid";
$course = $DB->get_record_sql($sql, array('courseid' => $courseid), MUST_EXIST);
context_instance_preload($course);
}
} else {
$course = $SITE;
}
$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
// Course context
$systemcontext = get_system_context();
$currentuser = $USER->id == $userid;
if ($currentuser) {
$user = $USER;
$usercontext = get_context_instance(CONTEXT_USER, $user->id);
// User context
} else {
list($select, $join) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
$sql = "SELECT u.* {$select} FROM {user} u {$join} WHERE u.id = :userid";
$user = $DB->get_record_sql($sql, array('userid' => $userid), IGNORE_MISSING);
if (!$user) {
return false;
}
context_instance_preload($user);
// Check that the user can view the profile
$usercontext = get_context_instance(CONTEXT_USER, $user->id);
// User context
$canviewuser = has_capability('moodle/user:viewdetails', $usercontext);
if ($course->id == SITEID) {
if ($CFG->forceloginforprofiles && !has_coursecontact_role($user->id) && !$canviewuser) {
// Reduce possibility of "browsing" userbase at site level
// Teachers can browse and be browsed at site level. If not forceloginforprofiles, allow access (bug #4366)
return false;
}
} else {
$canviewusercourse = has_capability('moodle/user:viewdetails', $coursecontext);
$canaccessallgroups = has_capability('moodle/site:accessallgroups', $coursecontext);
if (!$canviewusercourse && !$canviewuser || !can_access_course($coursecontext, $user->id)) {
return false;
}
if (!$canaccessallgroups && groups_get_course_groupmode($course) == SEPARATEGROUPS) {
// If groups are in use, make sure we can see that group
return false;
}
}
}
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $this->page->context));
$key = $gstitle;
if ($gstitle != 'usercurrentsettings') {
$key .= $userid;
}
// Add a user setting branch
$usersetting = $this->add(get_string($gstitle, 'moodle', $fullname), null, self::TYPE_CONTAINER, null, $key);
$usersetting->id = 'usersettings';
if ($this->page->context->contextlevel == CONTEXT_USER && $this->page->context->instanceid == $user->id) {
// Automatically start by making it active
$usersetting->make_active();
}
// Check if the user has been deleted
if ($user->deleted) {
if (!has_capability('moodle/user:update', $coursecontext)) {
// We can't edit the user so just show the user deleted message
$usersetting->add(get_string('userdeleted'), null, self::TYPE_SETTING);
} else {
// We can edit the user so show the user deleted message and link it to the profile
if ($course->id == SITEID) {
$profileurl = new moodle_url('/user/profile.php', array('id' => $user->id));
} else {
$profileurl = new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $course->id));
}
$usersetting->add(get_string('userdeleted'), $profileurl, self::TYPE_SETTING);
}
return true;
}
$userauthplugin = false;
if (!empty($user->auth)) {
$userauthplugin = get_auth_plugin($user->auth);
}
// Add the profile edit link
if (isloggedin() && !isguestuser($user) && !is_mnet_remote_user($user)) {
if (($currentuser || is_siteadmin($USER) || !is_siteadmin($user)) && has_capability('moodle/user:update', $systemcontext)) {
$url = new moodle_url('/user/editadvanced.php', array('id' => $user->id, 'course' => $course->id));
$usersetting->add(get_string('editmyprofile'), $url, self::TYPE_SETTING);
} else {
if (has_capability('moodle/user:editprofile', $usercontext) && !is_siteadmin($user) || $currentuser && has_capability('moodle/user:editownprofile', $systemcontext)) {
if ($userauthplugin && $userauthplugin->can_edit_profile()) {
$url = $userauthplugin->edit_profile_url();
if (empty($url)) {
$url = new moodle_url('/user/edit.php', array('id' => $user->id, 'course' => $course->id));
}
$usersetting->add(get_string('editmyprofile'), $url, self::TYPE_SETTING);
}
}
}
}
// Change password link
if ($userauthplugin && $currentuser && !session_is_loggedinas() && !isguestuser() && has_capability('moodle/user:changeownpassword', $systemcontext) && $userauthplugin->can_change_password()) {
$passwordchangeurl = $userauthplugin->change_password_url();
if (empty($passwordchangeurl)) {
$passwordchangeurl = new moodle_url('/login/change_password.php', array('id' => $course->id));
}
$usersetting->add(get_string("changepassword"), $passwordchangeurl, self::TYPE_SETTING);
}
// View the roles settings
if (has_any_capability(array('moodle/role:assign', 'moodle/role:safeoverride', 'moodle/role:override', 'moodle/role:manage'), $usercontext)) {
$roles = $usersetting->add(get_string('roles'), null, self::TYPE_SETTING);
$url = new moodle_url('/admin/roles/usersroles.php', array('userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('thisusersroles', 'role'), $url, self::TYPE_SETTING);
$assignableroles = get_assignable_roles($usercontext, ROLENAME_BOTH);
if (!empty($assignableroles)) {
$url = new moodle_url('/admin/roles/assign.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('assignrolesrelativetothisuser', 'role'), $url, self::TYPE_SETTING);
}
if (has_capability('moodle/role:review', $usercontext) || count(get_overridable_roles($usercontext, ROLENAME_BOTH)) > 0) {
$url = new moodle_url('/admin/roles/permissions.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('permissions', 'role'), $url, self::TYPE_SETTING);
}
$url = new moodle_url('/admin/roles/check.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('checkpermissions', 'role'), $url, self::TYPE_SETTING);
}
// Portfolio
if ($currentuser && !empty($CFG->enableportfolios) && has_capability('moodle/portfolio:export', $systemcontext)) {
require_once $CFG->libdir . '/portfoliolib.php';
if (portfolio_instances(true, false)) {
$portfolio = $usersetting->add(get_string('portfolios', 'portfolio'), null, self::TYPE_SETTING);
$url = new moodle_url('/user/portfolio.php', array('courseid' => $course->id));
$portfolio->add(get_string('configure', 'portfolio'), $url, self::TYPE_SETTING);
$url = new moodle_url('/user/portfoliologs.php', array('courseid' => $course->id));
$portfolio->add(get_string('logs', 'portfolio'), $url, self::TYPE_SETTING);
}
}
$enablemanagetokens = false;
if (!empty($CFG->enablerssfeeds)) {
$enablemanagetokens = true;
} else {
if (!is_siteadmin($USER->id) && !empty($CFG->enablewebservices) && has_capability('moodle/webservice:createtoken', get_system_context())) {
$enablemanagetokens = true;
}
}
// Security keys
if ($currentuser && $enablemanagetokens) {
$url = new moodle_url('/user/managetoken.php', array('sesskey' => sesskey()));
$usersetting->add(get_string('securitykeys', 'webservice'), $url, self::TYPE_SETTING);
}
// Repository
if (!$currentuser && $usercontext->contextlevel == CONTEXT_USER) {
if (!$this->cache->cached('contexthasrepos' . $usercontext->id)) {
require_once $CFG->dirroot . '/repository/lib.php';
$editabletypes = repository::get_editable_types($usercontext);
$haseditabletypes = !empty($editabletypes);
unset($editabletypes);
$this->cache->set('contexthasrepos' . $usercontext->id, $haseditabletypes);
} else {
$haseditabletypes = $this->cache->{'contexthasrepos' . $usercontext->id};
}
if ($haseditabletypes) {
$url = new moodle_url('/repository/manage_instances.php', array('contextid' => $usercontext->id));
$usersetting->add(get_string('repositories', 'repository'), $url, self::TYPE_SETTING);
}
}
// Messaging
if ($currentuser && has_capability('moodle/user:editownmessageprofile', $systemcontext) || !isguestuser($user) && has_capability('moodle/user:editmessageprofile', $usercontext) && !is_primary_admin($user->id)) {
$url = new moodle_url('/message/edit.php', array('id' => $user->id, 'course' => $course->id));
$usersetting->add(get_string('editmymessage', 'message'), $url, self::TYPE_SETTING);
}
// Blogs
if ($currentuser && !empty($CFG->bloglevel)) {
$blog = $usersetting->add(get_string('blogs', 'blog'), null, navigation_node::TYPE_CONTAINER, null, 'blogs');
$blog->add(get_string('preferences', 'blog'), new moodle_url('/blog/preferences.php'), navigation_node::TYPE_SETTING);
if (!empty($CFG->useexternalblogs) && $CFG->maxexternalblogsperuser > 0 && has_capability('moodle/blog:manageexternal', get_context_instance(CONTEXT_SYSTEM))) {
$blog->add(get_string('externalblogs', 'blog'), new moodle_url('/blog/external_blogs.php'), navigation_node::TYPE_SETTING);
$blog->add(get_string('addnewexternalblog', 'blog'), new moodle_url('/blog/external_blog_edit.php'), navigation_node::TYPE_SETTING);
}
}
// Login as ...
if (!$user->deleted and !$currentuser && !session_is_loggedinas() && has_capability('moodle/user:loginas', $coursecontext) && !is_siteadmin($user->id)) {
$url = new moodle_url('/course/loginas.php', array('id' => $course->id, 'user' => $user->id, 'sesskey' => sesskey()));
$usersetting->add(get_string('loginas'), $url, self::TYPE_SETTING);
}
return $usersetting;
}
function online_assignment_cleanup($output = false)
{
global $CFG, $DB, $OUTPUT;
if ($output) {
echo $OUTPUT->heading('Online Assignment Cleanup');
echo '<center>';
}
/// We don't want to run this code if we are doing an upgrade from an assignment
/// version earlier than 2005041400
/// because the assignment type field will not exist
$amv = $DB->get_field('modules', 'version', array('name' => 'assignment'));
if ((int) $amv < 2005041400) {
if ($output) {
echo '</center>';
}
return;
}
/// get the module id for assignments from db
$arecord = $DB->get_record('modules', array('name', 'assignment'));
$aid = $arecord->id;
/// get a list of all courses on this site
list($ctxselect, $ctxjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$ctxselect} FROM {course} c {$ctxjoin}";
$courses = $DB->get_records_sql($sql);
/// cycle through each course
foreach ($courses as $course) {
context_instance_preload($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
if (empty($course->fullname)) {
$fullname = get_string('course') . ': ' . $course->id;
} else {
$fullname = format_string($course->fullname, true, array('context' => $context));
}
if ($output) {
echo $OUTPUT->heading($fullname);
}
/// retrieve a list of sections beyond what is currently being shown
$sql = "SELECT *\n FROM {course_sections}\n WHERE course=? AND section>?\n ORDER BY section ASC";
$params = array($course->id, $course->numsections);
if (!($xsections = $DB->get_records_sql($sql, $params))) {
if ($output) {
echo 'No extra sections<br />';
}
continue;
}
/// cycle through each of the xtra sections
foreach ($xsections as $xsection) {
if ($output) {
echo 'Checking Section: ' . $xsection->section . '<br />';
}
/// grab any module instances from the sequence field
if (!empty($xsection->sequence)) {
$instances = explode(',', $xsection->sequence);
/// cycle through the instances
foreach ($instances as $instance) {
/// is this an instance of an online assignment
$sql = "SELECT a.id\n FROM {course_modules} cm, {assignment} a\n WHERE cm.id = ? AND cm.module = ? AND\n cm.instance = a.id AND a.assignmenttype = 'online'";
$params = array($instance, $aid);
/// if record exists then we need to move instance to it's correct section
if ($DB->record_exists_sql($sql, $params)) {
/// check the new section id
/// the journal update erroneously stored it in course_sections->section
$newsection = $xsection->section;
/// double check the new section
if ($newsection > $course->numsections) {
/// get the record for section 0 for this course
if (!($zerosection = $DB->get_record('course_sections', array('course' => $course->id, 'section' => '0')))) {
continue;
}
$newsection = $zerosection->id;
}
/// grab the section record
if (!($section = $DB->get_record('course_sections', array('id' => $newsection)))) {
if ($output) {
echo 'Serious error: Cannot retrieve section: ' . $newsection . ' for course: ' . $fullname . '<br />';
}
continue;
}
/// explode the sequence
if (($sequence = explode(',', $section->sequence)) === false) {
$sequence = array();
}
/// add instance to correct section
array_push($sequence, $instance);
/// implode the sequence
$section->sequence = implode(',', $sequence);
$DB->set_field('course_sections', 'sequence', $section->sequence, array('id' => $section->id));
/// now we need to remove the instance from the old sequence
/// grab the old section record
if (!($section = $DB->get_record('course_sections', array('id' => $xsection->id)))) {
if ($output) {
echo 'Serious error: Cannot retrieve old section: ' . $xsection->id . ' for course: ' . $fullname . '<br />';
}
continue;
}
/// explode the sequence
if (($sequence = explode(',', $section->sequence)) === false) {
$sequence = array();
}
/// remove the old value from the array
$key = array_search($instance, $sequence);
unset($sequence[$key]);
/// implode the sequence
$section->sequence = implode(',', $sequence);
$DB->set_field('course_sections', 'sequence', $section->sequence, array('id' => $section->id));
if ($output) {
echo 'Online Assignment (instance ' . $instance . ') moved from section ' . $section->id . ': to section ' . $newsection . '<br />';
}
}
}
}
/// if the summary and sequence are empty then remove this section
if (empty($xsection->summary) and empty($xsection->sequence)) {
$DB->delete_records('course_sections', array('id' => $xsection->id));
if ($output) {
echo 'Deleting empty section ' . $xsection->section . '<br />';
}
}
}
}
echo '</center>';
}
/**
* This method actually loads the blocks for our page from the database.
*
* @param boolean|null $includeinvisible
* null (default) - load hidden blocks if $this->page->user_is_editing();
* true - load hidden blocks.
* false - don't load hidden blocks.
*/
public function load_blocks($includeinvisible = null)
{
global $DB, $CFG;
if (!is_null($this->birecordsbyregion)) {
// Already done.
return;
}
if ($CFG->version < 2009050619) {
// Upgrade/install not complete. Don't try too show any blocks.
$this->birecordsbyregion = array();
return;
}
// Ensure we have been initialised.
if (is_null($this->defaultregion)) {
$this->page->initialise_theme_and_output();
// If there are still no block regions, then there are no blocks on this page.
if (empty($this->regions)) {
$this->birecordsbyregion = array();
return;
}
}
// Check if we need to load normal blocks
if ($this->fakeblocksonly) {
$this->birecordsbyregion = $this->prepare_per_region_arrays();
return;
}
if (is_null($includeinvisible)) {
$includeinvisible = $this->page->user_is_editing();
}
if ($includeinvisible) {
$visiblecheck = '';
} else {
$visiblecheck = 'AND (bp.visible = 1 OR bp.visible IS NULL)';
}
$context = $this->page->context;
$contexttest = 'bi.parentcontextid = :contextid2';
$parentcontextparams = array();
$parentcontextids = get_parent_contexts($context);
if ($parentcontextids) {
list($parentcontexttest, $parentcontextparams) = $DB->get_in_or_equal($parentcontextids, SQL_PARAMS_NAMED, 'parentcontext');
$contexttest = "({$contexttest} OR (bi.showinsubcontexts = 1 AND bi.parentcontextid {$parentcontexttest}))";
}
$pagetypepatterns = matching_page_type_patterns($this->page->pagetype);
list($pagetypepatterntest, $pagetypepatternparams) = $DB->get_in_or_equal($pagetypepatterns, SQL_PARAMS_NAMED, 'pagetypepatterntest');
list($ccselect, $ccjoin) = context_instance_preload_sql('bi.id', CONTEXT_BLOCK, 'ctx');
$params = array('subpage1' => $this->page->subpage, 'subpage2' => $this->page->subpage, 'contextid1' => $context->id, 'contextid2' => $context->id, 'pagetype' => $this->page->pagetype);
if ($this->page->subpage === '') {
$params['subpage1'] = $DB->sql_empty();
$params['subpage2'] = $DB->sql_empty();
}
$sql = "SELECT\n bi.id,\n bp.id AS blockpositionid,\n bi.blockname,\n bi.parentcontextid,\n bi.showinsubcontexts,\n bi.pagetypepattern,\n bi.subpagepattern,\n bi.defaultregion,\n bi.defaultweight,\n COALESCE(bp.visible, 1) AS visible,\n COALESCE(bp.region, bi.defaultregion) AS region,\n COALESCE(bp.weight, bi.defaultweight) AS weight,\n bi.configdata\n {$ccselect}\n\n FROM {block_instances} bi\n JOIN {block} b ON bi.blockname = b.name\n LEFT JOIN {block_positions} bp ON bp.blockinstanceid = bi.id\n AND bp.contextid = :contextid1\n AND bp.pagetype = :pagetype\n AND bp.subpage = :subpage1\n {$ccjoin}\n\n WHERE\n {$contexttest}\n AND bi.pagetypepattern {$pagetypepatterntest}\n AND (bi.subpagepattern IS NULL OR bi.subpagepattern = :subpage2)\n {$visiblecheck}\n AND b.visible = 1\n\n ORDER BY\n COALESCE(bp.region, bi.defaultregion),\n COALESCE(bp.weight, bi.defaultweight),\n bi.id";
$blockinstances = $DB->get_recordset_sql($sql, $params + $parentcontextparams + $pagetypepatternparams);
$this->birecordsbyregion = $this->prepare_per_region_arrays();
$unknown = array();
foreach ($blockinstances as $bi) {
context_instance_preload($bi);
if ($this->is_known_region($bi->region)) {
$this->birecordsbyregion[$bi->region][] = $bi;
} else {
$unknown[] = $bi;
}
}
// Pages don't necessarily have a defaultregion. The one time this can
// happen is when there are no theme block regions, but the script itself
// has a block region in the main content area.
if (!empty($this->defaultregion)) {
$this->birecordsbyregion[$this->defaultregion] = array_merge($this->birecordsbyregion[$this->defaultregion], $unknown);
}
}
/**
* Returns an array of grades calculated by aggregating item ratings.
* @param object $options {
* userid => int the id of the user whose items have been rated. NOT the user who submitted the ratings. 0 to update all. [required]
* aggregationmethod => int the aggregation method to apply when calculating grades ie RATING_AGGREGATE_AVERAGE [required]
* scaleid => int the scale from which the user can select a rating. Used for bounds checking. [required]
* itemtable => int the table containing the items [required]
* itemtableusercolum => int the column of the user table containing the item owner's user id [required]
*
* contextid => int the context in which the rated items exist [optional]
*
* modulename => string the name of the module [optional]
* moduleid => int the id of the module instance [optional]
*
* @return array the array of the user's grades
*/
public function get_user_grades($options) {
global $DB;
$contextid = null;
//if the calling code doesn't supply a context id we'll have to figure it out
if( !empty($options->contextid) ) {
$contextid = $options->contextid;
}
else if( !empty($options->cmid) ) {
//not implemented as not currently used although cmid is potentially available (the forum supplies it)
//Is there a convenient way to get a context id from a cm id?
//$cmidnumber = $options->cmidnumber;
}
else if ( !empty($options->modulename) && !empty($options->moduleid) ) {
$modulename = $options->modulename;
$moduleid = intval($options->moduleid);
//going direct to the db for the context id seems wrong
list($ctxselect, $ctxjoin) = context_instance_preload_sql('cm.id', CONTEXT_MODULE, 'ctx');
$sql = "SELECT cm.* $ctxselect
FROM {course_modules} cm
LEFT JOIN {modules} mo ON mo.id = cm.module
LEFT JOIN {{$modulename}} m ON m.id = cm.instance $ctxjoin
WHERE mo.name=:modulename AND m.id=:moduleid";
$contextrecord = $DB->get_record_sql($sql, array('modulename'=>$modulename, 'moduleid'=>$moduleid), '*', MUST_EXIST);
$contextid = $contextrecord->ctxid;
}
$params = array();
$params['contextid']= $contextid;
$itemtable = $options->itemtable;
$itemtableusercolumn= $options->itemtableusercolumn;
$scaleid = $options->scaleid;
$aggregationstring = $this->get_aggregation_method($options->aggregationmethod);
//if userid is not 0 we only want the grade for a single user
$singleuserwhere = '';
if ($options->userid!=0) {
$params['userid1'] = intval($options->userid);
$singleuserwhere = "AND i.{$itemtableusercolumn} = :userid1";
}
//MDL-24648 The where line used to be "WHERE (r.contextid is null or r.contextid=:contextid)"
//r.contextid will be null for users who haven't been rated yet
//no longer including users who haven't been rated to reduce memory requirements
$sql = "SELECT u.id as id, u.id AS userid, $aggregationstring(r.rating) AS rawgrade
FROM {user} u
LEFT JOIN {{$itemtable}} i ON u.id=i.{$itemtableusercolumn}
LEFT JOIN {rating} r ON r.itemid=i.id
WHERE r.contextid=:contextid
$singleuserwhere
GROUP BY u.id";
$results = $DB->get_records_sql($sql, $params);
if ($results) {
$scale = null;
$max = 0;
if ($options->scaleid >= 0) {
//numeric
$max = $options->scaleid;
} else {
//custom scales
$scale = $DB->get_record('scale', array('id' => -$options->scaleid));
if ($scale) {
$scale = explode(',', $scale->scale);
$max = count($scale);
} else {
debugging('rating_manager::get_user_grades() received a scale ID that doesnt exist');
}
}
// it could throw off the grading if count and sum returned a rawgrade higher than scale
// so to prevent it we review the results and ensure that rawgrade does not exceed the scale, if it does we set rawgrade = scale (i.e. full credit)
foreach ($results as $rid=>$result) {
if ($options->scaleid >= 0) {
//numeric
if ($result->rawgrade > $options->scaleid) {
$results[$rid]->rawgrade = $options->scaleid;
}
} else {
//scales
if (!empty($scale) && $result->rawgrade > $max) {
$results[$rid]->rawgrade = $max;
}
}
}
}
return $results;
}
/**
* Get course participants details
* @param int $courseid course id
* @param array $options options {
* 'name' => option name
* 'value' => option value
* }
* @return array An array of users
*/
public static function get_users_by_courseid($courseid, $options) {
global $CFG, $USER, $DB;
require_once($CFG->dirroot . "/user/lib.php");
$params = self::validate_parameters(
self::get_users_by_courseid_parameters(),
array(
'courseid'=>$courseid,
'options'=>$options
)
);
$withcapability = '';
$groupid = 0;
$onlyactive = false;
foreach ($options as $option) {
switch ($option['name']) {
case 'withcapability':
$withcapability = $option['value'];
break;
case 'groupid':
$groupid = (int)$option['value'];
break;
case 'onlyactive':
$onlyactive = !empty($option['value']);
break;
}
}
// to overwrite this parameter, you need role:review capability
if ($withcapability) {
require_capability('moodle/role:review', $coursecontext);
}
// need accessallgroups capability if you want to overwrite this option
if (!empty($groupid) && groups_is_member($groupid)) {
require_capability('moodle/site:accessallgroups', $context);
}
// to overwrite this option, you need course:enrolereview permission
if ($onlyactive) {
require_capability('moodle/course:enrolreview', $coursecontext);
}
list($coursectxselect, $coursectxjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$coursesql = "SELECT c.* $coursectxselect
FROM {course} c $coursectxjoin
WHERE c.id = $courseid";
$course = $DB->get_record_sql($coursesql);
context_instance_preload($course);
$coursecontext = get_context_instance(CONTEXT_COURSE, $params['courseid']);
if ($courseid == SITEID) {
$context = get_system_context();
} else {
$context = $coursecontext;
}
try {
self::validate_context($context);
} catch (Exception $e) {
$exceptionparam = new stdClass();
$exceptionparam->message = $e->getMessage();
$exceptionparam->courseid = $params['courseid'];
throw new moodle_exception(get_string('errorcoursecontextnotvalid' , 'webservice', $exceptionparam));
}
list($enrolledsql, $enrolledparams) = get_enrolled_sql($coursecontext, $withcapability, $groupid, $onlyactive);
list($ctxselect, $ctxjoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
$records = $DB->get_records_sql($enrolledsql, $enrolledparams);
$sqlparams['courseid'] = $courseid;
$sql = "SELECT u.* $ctxselect
FROM {user} u $ctxjoin
WHERE u.id IN ($enrolledsql)
ORDER BY u.id ASC";
$enrolledusers = $DB->get_recordset_sql($sql, $enrolledparams);
$users = array();
foreach ($enrolledusers as $user) {
if (!empty($user->deleted)) {
continue;
}
context_instance_preload($user);
if ($userdetails = user_get_user_details($user, $course)) {
$users[] = $userdetails;
}
}
$enrolledusers->close();
return $users;
}
/**
* Returns list of courses user is enrolled into.
*
* - $fields is an array of fieldnames to ADD
* so name the fields you really need, which will
* be added and uniq'd
*
* @param int $userid
* @param bool $onlyactive return only active enrolments in courses user may see
* @param string|array $fields
* @param string $sort
* @return array
*/
function enrol_get_users_courses($userid, $onlyactive = false, $fields = NULL, $sort = 'visible DESC,sortorder ASC') {
global $DB;
// Guest account does not have any courses
if (isguestuser($userid) or empty($userid)) {
return(array());
}
$basefields = array('id', 'category', 'sortorder',
'shortname', 'fullname', 'idnumber',
'startdate', 'visible',
'groupmode', 'groupmodeforce');
if (empty($fields)) {
$fields = $basefields;
} else if (is_string($fields)) {
// turn the fields from a string to an array
$fields = explode(',', $fields);
$fields = array_map('trim', $fields);
$fields = array_unique(array_merge($basefields, $fields));
} else if (is_array($fields)) {
$fields = array_unique(array_merge($basefields, $fields));
} else {
throw new coding_exception('Invalid $fileds parameter in enrol_get_my_courses()');
}
if (in_array('*', $fields)) {
$fields = array('*');
}
$orderby = "";
$sort = trim($sort);
if (!empty($sort)) {
$rawsorts = explode(',', $sort);
$sorts = array();
foreach ($rawsorts as $rawsort) {
$rawsort = trim($rawsort);
if (strpos($rawsort, 'c.') === 0) {
$rawsort = substr($rawsort, 2);
}
$sorts[] = trim($rawsort);
}
$sort = 'c.'.implode(',c.', $sorts);
$orderby = "ORDER BY $sort";
}
$params = array('siteid'=>SITEID);
if ($onlyactive) {
$subwhere = "WHERE ue.status = :active AND e.status = :enabled AND ue.timestart < :now1 AND (ue.timeend = 0 OR ue.timeend > :now2)";
$params['now1'] = round(time(), -2); // improves db caching
$params['now2'] = $params['now1'];
$params['active'] = ENROL_USER_ACTIVE;
$params['enabled'] = ENROL_INSTANCE_ENABLED;
} else {
$subwhere = "";
}
$coursefields = 'c.' .join(',c.', $fields);
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
//note: we can not use DISTINCT + text fields due to Oracle and MS limitations, that is why we have the subselect there
$sql = "SELECT $coursefields $ccselect
FROM {course} c
JOIN (SELECT DISTINCT e.courseid
FROM {enrol} e
JOIN {user_enrolments} ue ON (ue.enrolid = e.id AND ue.userid = :userid)
$subwhere
) en ON (en.courseid = c.id)
$ccjoin
WHERE c.id <> :siteid
$orderby";
$params['userid'] = $userid;
$courses = $DB->get_records_sql($sql, $params);
// preload contexts and check visibility
foreach ($courses as $id=>$course) {
context_instance_preload($course);
if ($onlyactive) {
if (!$course->visible) {
if (!$context = get_context_instance(CONTEXT_COURSE, $id)) {
unset($courses[$id]);
continue;
}
if (!has_capability('moodle/course:viewhiddencourses', $context, $userid)) {
unset($courses[$id]);
continue;
}
}
}
$courses[$id] = $course;
}
//wow! Is that really all? :-D
return $courses;
}
/**
* Loads of the the courses in Moodle into the navigation.
*
* @param string|array $categoryids Either a string or array of category ids to load courses for
* @return array An array of navigation_node
*/
protected function load_all_courses($categoryids=null) {
global $CFG, $DB, $USER;
if ($categoryids !== null) {
if (is_array($categoryids)) {
list ($select, $params) = $DB->get_in_or_equal($categoryids);
} else {
$select = '= ?';
$params = array($categoryids);
}
array_unshift($params, SITEID);
$select = ' AND c.category '.$select;
} else {
$params = array(SITEID);
$select = '';
}
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.category,cat.path AS categorypath $ccselect
FROM {course} c
$ccjoin
LEFT JOIN {course_categories} cat ON cat.id=c.category
WHERE c.id <> ?$select
ORDER BY c.sortorder ASC";
$limit = 20;
if (!empty($CFG->navcourselimit)) {
$limit = $CFG->navcourselimit;
}
$courses = $DB->get_records_sql($sql, $params, 0, $limit);
$coursenodes = array();
foreach ($courses as $course) {
context_instance_preload($course);
$coursenodes[$course->id] = $this->add_course($course);
}
return $coursenodes;
}
/**
* Return a list of current user contacts
* This function checks if the current user can send messages to all the users or only to managers
*
* @param int $group Group to filter
* @param string $fi Firstname initial to filter
* @param string $li Lastname initial to filter
* @param int $roleid Role id to filter
* @return array Array of contacts
*/
public function get_contacts($group, $fi, $li, $roleid)
{
global $DB, $OUTPUT, $SESSION, $USER;
if (!$this->cansend) {
return array();
}
// Cache (see refresh cache bellow)
$hash = "-{$group}-{$fi}-{$li}-{$roleid}-";
if (isset($SESSION->jmailcache->contacts[$this->course->id][$hash])) {
// Problem when sending messages to new users.
//return $SESSION->jmailcache->contacts[$this->course->id][$hash];
}
if (!$this->globalinbox) {
if (!has_capability('moodle/course:viewparticipants', $this->context)) {
return array();
}
}
$groupmode = groups_get_course_groupmode($this->course);
// Groups are being used
$currentgroup = groups_get_course_group($this->course, true);
if (!$currentgroup) {
// To make some other functions work better later
$currentgroup = NULL;
}
$this->isseparategroups = ($this->course->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $this->context));
if ($this->isseparategroups and !$currentgroup) {
return array();
}
$capability = null;
// Users without cansendtoall capability cand send only to managers
// Managers are those who can send to all messages
if (!$this->cansendtoall and $this->cansendtomanagers) {
$capability = "block/jmail:sendtoall";
}
list($esql, $params) = get_enrolled_sql($this->context, $capability, $currentgroup, true);
$joins = array("FROM {user} u");
$wheres = array();
$select = "SELECT u.id, u.firstname, u.lastname, u.picture, u.imagealt, u.email";
$joins[] = "JOIN ({$esql}) e ON e.id = u.id";
// course enrolled users only
$params['courseid'] = $this->course->id;
// performance hacks - we preload user contexts together with accounts
list($ccselect, $ccjoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
$select .= $ccselect;
$joins[] = $ccjoin;
if ($roleid) {
$contextlist = get_related_contexts_string($this->context);
$wheres[] = "u.id IN (SELECT userid FROM {role_assignments} WHERE roleid = :roleid AND contextid {$contextlist})";
$params['roleid'] = $roleid;
}
if ($fi) {
$wheres[] = $DB->sql_like('firstname', ':search1', false, false);
$params['search1'] = "{$fi}%";
}
if ($li) {
$wheres[] = $DB->sql_like('lastname', ':search2', false, false);
$params['search2'] = "{$li}%";
}
if (!empty($this->config->filterfield)) {
$wheres[] = "u." . $this->config->filterfield . " = :filterfield";
$params['filterfield'] = $USER->{$this->config->filterfield};
}
$from = implode("\n", $joins);
if ($wheres) {
$where = "WHERE " . implode(" AND ", $wheres);
} else {
$where = "";
}
$sort = '';
$start = '';
$end = '';
$userlist = $DB->get_records_sql("{$select} {$from} {$where} {$sort}", $params, $start, $end);
if ($userlist) {
foreach ($userlist as $key => $u) {
$userlist[$key]->fullname = fullname($u);
$userlist[$key]->profileimage = $OUTPUT->user_picture($u);
unset($userlist[$key]->email);
}
}
$SESSION->jmailcache->contacts[$this->course->id][$hash] = $userlist;
return $userlist;
}
/**
* Get user information
* - This function is matching the permissions of /user/profil.php
* - It is also matching some permissions from /user/editadvanced.php for the following fields:
* auth, confirmed, idnumber, lang, theme, timezone, mailformat
*
* @param array $userids array of user ids
* @return array An array of arrays describing users
* @since Moodle 2.2
*/
public static function get_users_by_id($userids)
{
global $CFG, $USER, $DB;
require_once $CFG->dirroot . "/user/lib.php";
//iteramos los parametros y reemplazamos por los ID
if (is_array($userids)) {
foreach ($userids as $indice => $dni) {
$u = $DB->get_record('user', array('username' => $dni));
if (is_object($u)) {
$userids[$indice] = $u->id;
}
}
}
$params = self::validate_parameters(self::get_users_by_id_parameters(), array('userids' => $userids));
list($uselect, $ujoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
list($sqluserids, $params) = $DB->get_in_or_equal($userids);
$usersql = "SELECT u.* {$uselect}\n FROM {user} u {$ujoin}\n WHERE u.id {$sqluserids}";
$users = $DB->get_recordset_sql($usersql, $params);
$result = array();
$hasuserupdatecap = has_capability('moodle/user:update', get_system_context());
foreach ($users as $user) {
if (!empty($user->deleted)) {
continue;
}
context_instance_preload($user);
$usercontext = get_context_instance(CONTEXT_USER, $user->id);
self::validate_context($usercontext);
$currentuser = $user->id == $USER->id;
if ($userarray = user_get_user_details($user)) {
//fields matching permissions from /user/editadvanced.php
if ($currentuser or $hasuserupdatecap) {
$userarray['auth'] = $user->auth;
$userarray['confirmed'] = $user->confirmed;
$userarray['idnumber'] = $user->idnumber;
$userarray['lang'] = $user->lang;
$userarray['theme'] = $user->theme;
$userarray['timezone'] = $user->timezone;
$userarray['mailformat'] = $user->mailformat;
}
$result[] = $userarray;
}
}
$users->close();
return $result;
}
/**
* A small functional test of accesslib functions and classes.
*/
public function test_everything_in_accesslib()
{
global $USER, $SITE, $CFG, $DB, $ACCESSLIB_PRIVATE;
// First of all finalize the session, we must not carry over any of this mess to the next page via SESSION!!!
session_get_instance()->write_close();
// hack - this is going to take very long time
set_time_limit(3600);
// Get rid of current user that would not work anyway,
// do NOT even think about using $this->switch_global_user_id()!
if (!isset($this->accesslibprevuser)) {
$this->accesslibprevuser = clone $USER;
$USER = new stdClass();
$USER->id = 0;
}
// Backup $SITE global
if (!isset($this->accesslibprevsite)) {
$this->accesslibprevsite = $SITE;
}
// Switch DB, if it somehow fails or you specified wrong unittest prefix it will nuke real data, you have been warned!
$this->switch_to_test_db();
// Let's switch the CFG
$prevcfg = clone $CFG;
$this->switch_to_test_cfg();
$CFG->config_php_settings = $prevcfg->config_php_settings;
$CFG->noemailever = true;
$CFG->admin = $prevcfg->admin;
$CFG->lang = 'en';
$CFG->tempdir = $prevcfg->tempdir;
$CFG->cachedir = $prevcfg->cachedir;
$CFG->directorypermissions = $prevcfg->directorypermissions;
$CFG->filepermissions = $prevcfg->filepermissions;
// Reset all caches
accesslib_clear_all_caches_for_unit_testing();
// Add some core tables - this is known to break constantly because we keep adding dependencies...
$tablenames = array('config', 'config_plugins', 'modules', 'course', 'course_modules', 'course_sections', 'course_categories', 'mnet_host', 'mnet_application', 'capabilities', 'context', 'context_temp', 'role', 'role_capabilities', 'role_allow_switch', 'license', 'my_pages', 'block', 'block_instances', 'block_positions', 'role_allow_assign', 'role_allow_override', 'role_assignments', 'role_context_levels', 'enrol', 'user_enrolments', 'filter_active', 'filter_config', 'comments', 'user', 'groups_members', 'cache_flags', 'events_handlers', 'user_lastaccess', 'rating', 'files', 'role_names', 'user_preferences');
$this->create_test_tables($tablenames, 'lib');
// Create all core default records and default settings
require_once "{$CFG->libdir}/db/install.php";
xmldb_main_install();
// installs the capabilities too
// Fake mod_page install
$tablenames = array('page');
$this->create_test_tables($tablenames, 'mod/page');
$module = new stdClass();
require $CFG->dirroot . '/mod/page/version.php';
$module->name = 'page';
$pagemoduleid = $DB->insert_record('modules', $module);
update_capabilities('mod_page');
// Fake block_online_users install
$plugin = new stdClass();
$plugin->version = NULL;
$plugin->cron = 0;
include $CFG->dirroot . '/blocks/online_users/version.php';
$plugin->name = 'online_users';
$onlineusersblockid = $DB->insert_record('block', $plugin);
update_capabilities('block_online_users');
// Finish roles setup
set_config('defaultfrontpageroleid', $DB->get_field('role', 'id', array('archetype' => 'frontpage')));
set_config('defaultuserroleid', $DB->get_field('role', 'id', array('archetype' => 'user')));
set_config('notloggedinroleid', $DB->get_field('role', 'id', array('archetype' => 'guest')));
set_config('rolesactive', 1);
// Init manual enrol
set_config('status', ENROL_INSTANCE_ENABLED, 'enrol_manual');
set_config('defaultperiod', 0, 'enrol_manual');
$manualenrol = enrol_get_plugin('manual');
// Fill the site with some real data
$testcategories = array();
$testcourses = array();
$testpages = array();
$testblocks = array();
$allroles = $DB->get_records_menu('role', array(), 'id', 'archetype, id');
$systemcontext = context_system::instance();
$frontpagecontext = context_course::instance(SITEID);
// Add block to system context
$bi = new stdClass();
$bi->blockname = 'online_users';
$bi->parentcontextid = $systemcontext->id;
$bi->showinsubcontexts = 1;
$bi->pagetypepattern = '';
$bi->subpagepattern = '';
$bi->defaultregion = '';
$bi->defaultweight = 0;
$bi->configdata = '';
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
// Some users
$testusers = array();
for ($i = 0; $i < 20; $i++) {
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = 'user' . $i;
$user->lastname = 'user' . $i;
$user->username = '******' . $i;
$user->password = '******';
$user->email = "user{$i}@example.com";
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->deleted = 0;
$user->lastip = '0.0.0.0';
$userid = $DB->insert_record('user', $user);
$testusers[$i] = $userid;
$usercontext = context_user::instance($userid);
// Add block to user profile
$bi->parentcontextid = $usercontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
}
// Deleted user - should be ignored everywhere, can not have context
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = '';
$user->lastname = '';
$user->username = '******';
$user->password = '';
$user->email = '';
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->deleted = 1;
$user->lastip = '0.0.0.0';
$DB->insert_record('user', $user);
unset($user);
// Add block to frontpage
$bi->parentcontextid = $frontpagecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
$frontpageblockcontext = context_block::instance($biid);
$testblocks[] = $biid;
// Add a resource to frontpage
$page = new stdClass();
$page->course = $SITE->id;
$page->intro = '...';
$page->introformat = FORMAT_HTML;
$page->content = '...';
$page->contentformat = FORMAT_HTML;
$pageid = $DB->insert_record('page', $page);
$testpages[] = $pageid;
$cm = new stdClass();
$cm->course = $SITE->id;
$cm->module = $pagemoduleid;
$cm->section = 1;
$cm->instance = $pageid;
$cmid = $DB->insert_record('course_modules', $cm);
$frontpagepagecontext = context_module::instance($cmid);
// Add block to frontpage resource
$bi->parentcontextid = $frontpagepagecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
$frontpagepageblockcontext = context_block::instance($biid);
$testblocks[] = $biid;
// Some nested course categories with courses
require_once "{$CFG->dirroot}/course/lib.php";
$path = '';
$parentcat = 0;
for ($i = 0; $i < 5; $i++) {
$cat = new stdClass();
$cat->name = 'category' . $i;
$cat->parent = $parentcat;
$cat->depth = $i + 1;
$cat->sortorder = MAX_COURSES_IN_CATEGORY * ($i + 2);
$cat->timemodified = time();
$catid = $DB->insert_record('course_categories', $cat);
$path = $path . '/' . $catid;
$DB->set_field('course_categories', 'path', $path, array('id' => $catid));
$parentcat = $catid;
$testcategories[] = $catid;
$catcontext = context_coursecat::instance($catid);
if ($i >= 4) {
continue;
}
// Add resource to each category
$bi->parentcontextid = $catcontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
// Add a few courses to each category
for ($j = 0; $j < 6; $j++) {
$course = new stdClass();
$course->fullname = 'course' . $j;
$course->shortname = 'c' . $j;
$course->summary = 'bah bah bah';
$course->newsitems = 0;
$course->numsections = 1;
$course->category = $catid;
$course->format = 'topics';
$course->timecreated = time();
$course->visible = 1;
$course->timemodified = $course->timecreated;
$courseid = $DB->insert_record('course', $course);
$section = new stdClass();
$section->course = $courseid;
$section->section = 0;
$section->summaryformat = FORMAT_HTML;
$DB->insert_record('course_sections', $section);
$section->section = 1;
$DB->insert_record('course_sections', $section);
$testcourses[] = $courseid;
$coursecontext = context_course::instance($courseid);
if ($j >= 5) {
continue;
}
// Add manual enrol instance
$manualenrol->add_default_instance($DB->get_record('course', array('id' => $courseid)));
// Add block to each course
$bi->parentcontextid = $coursecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
// Add a resource to each course
$page->course = $courseid;
$pageid = $DB->insert_record('page', $page);
$testpages[] = $pageid;
$cm->course = $courseid;
$cm->instance = $pageid;
$cm->id = $DB->insert_record('course_modules', $cm);
$modcontext = context_module::instance($cm->id);
// Add block to each module
$bi->parentcontextid = $modcontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
}
}
// Make sure all contexts were created properly
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
// ====== context_helper::get_level_name() ================================
$levels = context_helper::get_all_levels();
foreach ($levels as $level => $classname) {
$name = context_helper::get_level_name($level);
$this->assertFalse(empty($name));
}
// ======= context::instance_by_id(), context_xxx::instance();
$context = context::instance_by_id($frontpagecontext->id);
$this->assertidentical($context->contextlevel, CONTEXT_COURSE);
$this->assertFalse(context::instance_by_id(-1, IGNORE_MISSING));
try {
context::instance_by_id(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertTrue(context_system::instance() instanceof context_system);
$this->assertTrue(context_coursecat::instance($testcategories[0]) instanceof context_coursecat);
$this->assertTrue(context_course::instance($testcourses[0]) instanceof context_course);
$this->assertTrue(context_module::instance($testpages[0]) instanceof context_module);
$this->assertTrue(context_block::instance($testblocks[0]) instanceof context_block);
$this->assertFalse(context_coursecat::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_course::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_module::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_block::instance(-1, IGNORE_MISSING));
try {
context_coursecat::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_course::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_module::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_block::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
// ======= $context->get_url(), $context->get_context_name(), $context->get_capabilities() =========
$testcontexts = array();
$testcontexts[CONTEXT_SYSTEM] = context_system::instance();
$testcontexts[CONTEXT_COURSECAT] = context_coursecat::instance($testcategories[0]);
$testcontexts[CONTEXT_COURSE] = context_course::instance($testcourses[0]);
$testcontexts[CONTEXT_MODULE] = context_module::instance($testpages[0]);
$testcontexts[CONTEXT_BLOCK] = context_block::instance($testblocks[0]);
foreach ($testcontexts as $context) {
$name = $context->get_context_name(true, true);
$this->assertFalse(empty($name));
$this->assertTrue($context->get_url() instanceof moodle_url);
$caps = $context->get_capabilities();
$this->assertTrue(is_array($caps));
foreach ($caps as $cap) {
$cap = (array) $cap;
$this->assertIdentical(array_keys($cap), array('id', 'name', 'captype', 'contextlevel', 'component', 'riskbitmask'));
}
}
unset($testcontexts);
// ===== $context->get_course_context() =========================================
$this->assertFalse($systemcontext->get_course_context(false));
try {
$systemcontext->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$context = context_coursecat::instance($testcategories[0]);
$this->assertFalse($context->get_course_context(false));
try {
$context->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertIdentical($frontpagecontext->get_course_context(true), $frontpagecontext);
$this->assertIdentical($frontpagepagecontext->get_course_context(true), $frontpagecontext);
$this->assertIdentical($frontpagepageblockcontext->get_course_context(true), $frontpagecontext);
// ======= $context->get_parent_context(), $context->get_parent_contexts(), $context->get_parent_context_ids() =======
$userid = reset($testusers);
$usercontext = context_user::instance($userid);
$this->assertIdentical($usercontext->get_parent_context(), $systemcontext);
$this->assertIdentical($usercontext->get_parent_contexts(), array($systemcontext->id => $systemcontext));
$this->assertIdentical($usercontext->get_parent_contexts(true), array($usercontext->id => $usercontext, $systemcontext->id => $systemcontext));
$this->assertIdentical($systemcontext->get_parent_contexts(), array());
$this->assertIdentical($systemcontext->get_parent_contexts(true), array($systemcontext->id => $systemcontext));
$this->assertIdentical($systemcontext->get_parent_context_ids(), array());
$this->assertIdentical($systemcontext->get_parent_context_ids(true), array($systemcontext->id));
$this->assertIdentical($frontpagecontext->get_parent_context(), $systemcontext);
$this->assertIdentical($frontpagecontext->get_parent_contexts(), array($systemcontext->id => $systemcontext));
$this->assertIdentical($frontpagecontext->get_parent_contexts(true), array($frontpagecontext->id => $frontpagecontext, $systemcontext->id => $systemcontext));
$this->assertIdentical($frontpagecontext->get_parent_context_ids(), array($systemcontext->id));
$this->assertEqual($frontpagecontext->get_parent_context_ids(true), array($frontpagecontext->id, $systemcontext->id));
$this->assertIdentical($systemcontext->get_parent_context(), false);
$frontpagecontext = context_course::instance($SITE->id);
$parent = $systemcontext;
foreach ($testcategories as $catid) {
$catcontext = context_coursecat::instance($catid);
$this->assertIdentical($catcontext->get_parent_context(), $parent);
$parent = $catcontext;
}
$this->assertIdentical($frontpagepagecontext->get_parent_context(), $frontpagecontext);
$this->assertIdentical($frontpageblockcontext->get_parent_context(), $frontpagecontext);
$this->assertIdentical($frontpagepageblockcontext->get_parent_context(), $frontpagepagecontext);
// ====== $context->get_child_contexts() ================================
$children = $systemcontext->get_child_contexts();
$this->assertEqual(count($children) + 1, $DB->count_records('context'));
$context = context_coursecat::instance($testcategories[3]);
$children = $context->get_child_contexts();
$countcats = 0;
$countcourses = 0;
$countblocks = 0;
foreach ($children as $child) {
if ($child->contextlevel == CONTEXT_COURSECAT) {
$countcats++;
}
if ($child->contextlevel == CONTEXT_COURSE) {
$countcourses++;
}
if ($child->contextlevel == CONTEXT_BLOCK) {
$countblocks++;
}
}
$this->assertEqual(count($children), 8);
$this->assertEqual($countcats, 1);
$this->assertEqual($countcourses, 6);
$this->assertEqual($countblocks, 1);
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 3);
$context = context_module::instance($testpages[3]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 1);
$context = context_block::instance($testblocks[1]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 0);
unset($children);
unset($countcats);
unset($countcourses);
unset($countblocks);
// ======= context_helper::reset_caches() ============================
context_helper::reset_caches();
$this->assertEqual(context_inspection::test_context_cache_size(), 0);
context_course::instance($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
// ======= context preloading ========================================
context_helper::reset_caches();
$sql = "SELECT " . context_helper::get_preload_record_columns_sql('c') . "\n FROM {context} c\n WHERE c.contextlevel <> " . CONTEXT_SYSTEM;
$records = $DB->get_records_sql($sql);
$firstrecord = reset($records);
$columns = context_helper::get_preload_record_columns('c');
$firstrecord = (array) $firstrecord;
$this->assertIdentical(array_keys($firstrecord), array_values($columns));
context_helper::reset_caches();
foreach ($records as $record) {
context_helper::preload_from_record($record);
$this->assertIdentical($record, new stdClass());
}
$this->assertEqual(context_inspection::test_context_cache_size(), count($records));
unset($records);
unset($columns);
context_helper::reset_caches();
context_helper::preload_course($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 4);
// ====== assign_capability(), unassign_capability() ====================
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_PREVENT);
assign_capability('moodle/site:accessallgroups', CAP_INHERIT, $allroles['teacher'], $frontpagecontext);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext->id, true);
unset($rc);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// ======= role_assign(), role_unassign(), role_unassign_all() ==============
$context = context_course::instance($testcourses[1]);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 0);
role_assign($allroles['teacher'], $testusers[1], $context->id);
role_assign($allroles['teacher'], $testusers[2], $context->id);
role_assign($allroles['manager'], $testusers[1], $context->id);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 3);
role_unassign($allroles['teacher'], $testusers[1], $context->id);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 2);
role_unassign_all(array('contextid' => $context->id));
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 0);
unset($context);
accesslib_clear_all_caches(false);
// just in case
// ====== has_capability(), get_users_by_capability(), role_switch(), reload_all_capabilities() and friends ========================
$adminid = get_admin()->id;
$guestid = $CFG->siteguest;
// Enrol some users into some courses
$course1 = $DB->get_record('course', array('id' => $testcourses[22]), '*', MUST_EXIST);
$course2 = $DB->get_record('course', array('id' => $testcourses[7]), '*', MUST_EXIST);
$cms = $DB->get_records('course_modules', array('course' => $course1->id), 'id');
$cm1 = reset($cms);
$blocks = $DB->get_records('block_instances', array('parentcontextid' => context_module::instance($cm1->id)->id), 'id');
$block1 = reset($blocks);
$instance1 = $DB->get_record('enrol', array('enrol' => 'manual', 'courseid' => $course1->id));
$instance2 = $DB->get_record('enrol', array('enrol' => 'manual', 'courseid' => $course2->id));
for ($i = 0; $i < 9; $i++) {
$manualenrol->enrol_user($instance1, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance1, $testusers[8], $allroles['teacher']);
$manualenrol->enrol_user($instance1, $testusers[9], $allroles['editingteacher']);
for ($i = 10; $i < 15; $i++) {
$manualenrol->enrol_user($instance2, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance2, $testusers[15], $allroles['editingteacher']);
// Add tons of role assignments - the more the better
role_assign($allroles['coursecreator'], $testusers[11], context_coursecat::instance($testcategories[2]));
role_assign($allroles['manager'], $testusers[12], context_coursecat::instance($testcategories[1]));
role_assign($allroles['student'], $testusers[9], context_module::instance($cm1->id));
role_assign($allroles['teacher'], $testusers[8], context_module::instance($cm1->id));
role_assign($allroles['guest'], $testusers[13], context_course::instance($course1->id));
role_assign($allroles['teacher'], $testusers[7], context_block::instance($block1->id));
role_assign($allroles['manager'], $testusers[9], context_block::instance($block1->id));
role_assign($allroles['editingteacher'], $testusers[9], context_course::instance($course1->id));
role_assign($allroles['teacher'], $adminid, context_course::instance($course1->id));
role_assign($allroles['editingteacher'], $adminid, context_block::instance($block1->id));
// Add tons of overrides - the more the better
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpageblockcontext, true);
assign_capability('moodle/block:view', CAP_PROHIBIT, $allroles['guest'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['user'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['student'], $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $CFG->defaultuserroleid, $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['user'], $frontpagepagecontext, true);
assign_capability('moodle/page:view', CAP_ALLOW, $allroles['student'], $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['guest'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PROHIBIT, $allroles['user'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $systemcontext, true);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// Extra tests for guests and not-logged-in users because they can not be verified by cross checking
// with get_users_by_capability() where they are ignored
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, $guestid));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, $guestid));
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, 0));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, 0));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, 0));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, 0));
$this->assertFalse(has_capability('moodle/course:create', $systemcontext, $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_coursecat::instance($testcategories[2]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:create', context_course::instance($testcourses[1]), $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_course::instance($testcourses[19]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[1]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[19]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', $systemcontext, $testusers[9]));
// Test the list of enrolled users
$coursecontext = context_course::instance($course1->id);
$enrolled = get_enrolled_users($coursecontext);
$this->assertEqual(count($enrolled), 10);
for ($i = 0; $i < 10; $i++) {
$this->assertTrue(isset($enrolled[$testusers[$i]]));
}
$enrolled = get_enrolled_users($coursecontext, 'moodle/course:update');
$this->assertEqual(count($enrolled), 1);
$this->assertTrue(isset($enrolled[$testusers[9]]));
unset($enrolled);
// role switching
$userid = $testusers[9];
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(is_role_switched($course1->id));
role_switch($allroles['student'], $coursecontext);
$this->assertTrue(is_role_switched($course1->id));
$this->assertEqual($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
role_switch(0, $coursecontext);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$userid = $adminid;
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$blockcontext = context_block::instance($block1->id);
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
role_switch($allroles['student'], $coursecontext);
$this->assertEqual($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
load_all_capabilities();
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
// temp course role for enrol
$DB->delete_records('cache_flags', array());
// this prevents problem with dirty contexts immediately resetting the temp role - this is a known problem...
$userid = $testusers[5];
$roleid = $allroles['editingteacher'];
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(isset($USER->access['ra'][$coursecontext->path][$roleid]));
load_temp_course_role($coursecontext, $roleid);
$this->assertEqual($USER->access['ra'][$coursecontext->path][$roleid], $roleid);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
remove_temp_course_roles($coursecontext);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
load_temp_course_role($coursecontext, $roleid);
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
$USER = new stdClass();
$USER->id = 0;
// Now cross check has_capability() with get_users_by_capability(), each using different code paths,
// they have to be kept in sync, usually only one of them breaks, so we know when something is wrong,
// at the same time validate extra restrictions (guest read only no risks, admin exception, non existent and deleted users)
$contexts = $DB->get_records('context', array(), 'id');
$contexts = array_values($contexts);
$capabilities = $DB->get_records('capabilities', array(), 'id');
$capabilities = array_values($capabilities);
$roles = array($allroles['guest'], $allroles['user'], $allroles['teacher'], $allroles['editingteacher'], $allroles['coursecreator'], $allroles['manager']);
// Random time!
srand(666);
foreach ($testusers as $userid) {
// no guest or deleted
// each user gets 0-20 random roles
$rcount = rand(0, 10);
for ($j = 0; $j < $rcount; $j++) {
$roleid = $roles[rand(0, count($roles) - 1)];
$contextid = $contexts[rand(0, count($contexts) - 1)]->id;
role_assign($roleid, $userid, $contextid);
}
}
$permissions = array(CAP_ALLOW, CAP_PREVENT, CAP_INHERIT, CAP_PREVENT);
for ($j = 0; $j < 10000; $j++) {
$roleid = $roles[rand(0, count($roles) - 1)];
$contextid = $contexts[rand(0, count($contexts) - 1)]->id;
$permission = $permissions[rand(0, count($permissions) - 1)];
$capname = $capabilities[rand(0, count($capabilities) - 1)]->name;
assign_capability($capname, $permission, $roleid, $contextid, true);
}
unset($permissions);
unset($roles);
unset($contexts);
unset($users);
unset($capabilities);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// Test time - let's set up some real user, just in case the logic for USER affects the others...
$USER = $DB->get_record('user', array('id' => $testusers[3]));
load_all_capabilities();
$contexts = $DB->get_records('context', array(), 'id');
$users = $DB->get_records('user', array(), 'id', 'id');
$capabilities = $DB->get_records('capabilities', array(), 'id');
$users[0] = null;
// not-logged-in user
$users[-1] = null;
// non-existent user
foreach ($contexts as $crecord) {
$context = context::instance_by_id($crecord->id);
if ($coursecontext = $context->get_course_context(false)) {
$enrolled = get_enrolled_users($context);
} else {
$enrolled = array();
}
foreach ($capabilities as $cap) {
$allowed = get_users_by_capability($context, $cap->name, 'u.id, u.username');
if ($enrolled) {
$enrolledwithcap = get_enrolled_users($context, $cap->name);
} else {
$enrolledwithcap = array();
}
foreach ($users as $userid => $unused) {
if ($userid == 0 or isguestuser($userid)) {
if ($userid == 0) {
$CFG->forcelogin = true;
$this->assertFalse(has_capability($cap->name, $context, $userid));
unset($CFG->forcelogin);
}
if ($cap->captype === 'write' or $cap->riskbitmask & (RISK_XSS | RISK_CONFIG | RISK_DATALOSS)) {
$this->assertFalse(has_capability($cap->name, $context, $userid));
}
$this->assertFalse(isset($allowed[$userid]));
} else {
if (is_siteadmin($userid)) {
$this->assertTrue(has_capability($cap->name, $context, $userid, true));
}
$hascap = has_capability($cap->name, $context, $userid, false);
$this->assertIdentical($hascap, isset($allowed[$userid]), "Capability result mismatch user:{$userid}, context:{$context->id}, {$cap->name}, hascap: " . (int) $hascap . " ");
if (isset($enrolled[$userid])) {
$this->assertIdentical(isset($allowed[$userid]), isset($enrolledwithcap[$userid]), "Enrolment with capability result mismatch user:{$userid}, context:{$context->id}, {$cap->name}, hascap: " . (int) $hascap . " ");
}
}
}
}
}
// Back to nobody
$USER = new stdClass();
$USER->id = 0;
unset($contexts);
unset($users);
unset($capabilities);
// Now let's do all the remaining tests that break our carefully prepared fake site
// ======= $context->mark_dirty() =======================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
$systemcontext->mark_dirty();
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$systemcontext->path]));
// ======= $context->reload_if_dirty(); =================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
load_all_capabilities();
$context = context_course::instance($testcourses[2]);
$page = $DB->get_record('page', array('course' => $testcourses[2]));
$pagecontext = context_module::instance($page->id);
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$context->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$pagecontext->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
// ======= context_helper::build_all_paths() ============================
$oldcontexts = $DB->get_records('context', array(), 'id');
$DB->set_field_select('context', 'path', NULL, "contextlevel <> " . CONTEXT_SYSTEM);
$DB->set_field_select('context', 'depth', 0, "contextlevel <> " . CONTEXT_SYSTEM);
context_helper::build_all_paths();
$newcontexts = $DB->get_records('context', array(), 'id');
$this->assertIdentical($oldcontexts, $newcontexts);
unset($oldcontexts);
unset($newcontexts);
// ======= $context->reset_paths() ======================================
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$context->reset_paths(false);
$this->assertIdentical($DB->get_field('context', 'path', array('id' => $context->id)), NULL);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $context->id)), 0);
foreach ($children as $child) {
$this->assertIdentical($DB->get_field('context', 'path', array('id' => $child->id)), NULL);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $child->id)), 0);
}
$this->assertEqual(count($children) + 1, $DB->count_records('context', array('depth' => 0)));
$this->assertEqual(count($children) + 1, $DB->count_records('context', array('path' => NULL)));
$context = context_course::instance($testcourses[2]);
$context->reset_paths(true);
$context = context_course::instance($testcourses[2]);
$this->assertEqual($DB->get_field('context', 'path', array('id' => $context->id)), $context->path);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $context->id)), $context->depth);
$this->assertEqual(0, $DB->count_records('context', array('depth' => 0)));
$this->assertEqual(0, $DB->count_records('context', array('path' => NULL)));
// ====== $context->update_moved(); ======================================
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id' => $testcourses[0]));
$context = context_course::instance($course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
$context->update_moved($categorycontext);
$context = context_course::instance($course->id);
$this->assertIdentical($context->get_parent_context(), $categorycontext);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$oldpath]));
$this->assertTrue(isset($dirty[$context->path]));
// ====== $context->delete_content() =====================================
context_helper::reset_caches();
$context = context_module::instance($testpages[3]);
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(1, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
$context->delete_content();
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(0, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
// ====== $context->delete() =============================
context_helper::reset_caches();
$context = context_module::instance($testpages[4]);
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(1, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
$bi = $DB->get_record('block_instances', array('parentcontextid' => $context->id));
$bicontext = context_block::instance($bi->id);
$DB->delete_records('cache_flags', array());
$context->delete();
// should delete also linked blocks
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$context->path]));
$this->assertFalse($DB->record_exists('context', array('id' => $context->id)));
$this->assertFalse($DB->record_exists('context', array('id' => $bicontext->id)));
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_MODULE, 'instanceid' => $testpages[4])));
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_BLOCK, 'instanceid' => $bi->id)));
$this->assertEqual(0, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
context_module::instance($testpages[4]);
// ====== context_helper::delete_instance() =============================
context_helper::reset_caches();
$lastcourse = array_pop($testcourses);
$this->assertTrue($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $lastcourse)));
$coursecontext = context_course::instance($lastcourse);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
$this->assertFalse($coursecontext->instanceid == CONTEXT_COURSE);
$DB->delete_records('cache_flags', array());
context_helper::delete_instance(CONTEXT_COURSE, $lastcourse);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$coursecontext->path]));
$this->assertEqual(context_inspection::test_context_cache_size(), 0);
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $lastcourse)));
context_course::instance($lastcourse);
// ======= context_helper::create_instances() ==========================
$prevcount = $DB->count_records('context');
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
context_helper::create_instances(null, true);
$this->assertIdentical($DB->count_records('context'), $prevcount);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
$DB->delete_records('block_instances', array());
$prevcount = $DB->count_records('context');
$DB->delete_records_select('context', 'contextlevel <> ' . CONTEXT_SYSTEM);
context_helper::create_instances(null, true);
$this->assertIdentical($DB->count_records('context'), $prevcount);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
// ======= context_helper::cleanup_instances() ==========================
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id' => $lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id' => $lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id' => $lastuser));
$DB->delete_records('block_instances', array('parentcontextid' => $frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id' => $frontpagepagecontext->instanceid));
context_helper::cleanup_instances();
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
// ======= context cache size restrictions ==============================
$testusers = array();
for ($i = 0; $i < CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = 'xuser' . $i;
$user->lastname = 'xuser' . $i;
$user->username = '******' . $i;
$user->password = '******';
$user->email = "xuser{$i}@example.com";
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->lastip = '0.0.0.0';
$userid = $DB->insert_record('user', $user);
$testusers[$i] = $userid;
}
context_helper::create_instances(null, true);
context_helper::reset_caches();
for ($i = 0; $i < CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
context_user::instance($testusers[$i]);
if ($i == CONTEXT_CACHE_MAX_SIZE - 1) {
$this->assertEqual(context_inspection::test_context_cache_size(), CONTEXT_CACHE_MAX_SIZE);
} else {
if ($i == CONTEXT_CACHE_MAX_SIZE) {
// once the limit is reached roughly 1/3 of records should be removed from cache
$this->assertEqual(context_inspection::test_context_cache_size(), (int) (CONTEXT_CACHE_MAX_SIZE * (2 / 3) + 102));
}
}
}
// We keep the first 100 cached
$prevsize = context_inspection::test_context_cache_size();
for ($i = 0; $i < 100; $i++) {
context_user::instance($testusers[$i]);
$this->assertEqual(context_inspection::test_context_cache_size(), $prevsize);
}
context_user::instance($testusers[102]);
$this->assertEqual(context_inspection::test_context_cache_size(), $prevsize + 1);
unset($testusers);
// =================================================================
// ======= basic test of legacy functions ==========================
// =================================================================
// note: watch out, the fake site might be pretty borked already
$this->assertIdentical(get_system_context(), context_system::instance());
foreach ($DB->get_records('context') as $contextid => $record) {
$context = context::instance_by_id($contextid);
$this->assertIdentical(get_context_instance_by_id($contextid), $context);
$this->assertIdentical(get_context_instance($record->contextlevel, $record->instanceid), $context);
$this->assertIdentical(get_parent_contexts($context), $context->get_parent_context_ids());
if ($context->id == SYSCONTEXTID) {
$this->assertIdentical(get_parent_contextid($context), false);
} else {
$this->assertIdentical(get_parent_contextid($context), $context->get_parent_context()->id);
}
}
$children = get_child_contexts($systemcontext);
$this->assertEqual(count($children), $DB->count_records('context') - 1);
unset($children);
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
create_contexts();
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_BLOCK)));
$DB->set_field('context', 'depth', 0, array('contextlevel' => CONTEXT_BLOCK));
build_context_path();
$this->assertFalse($DB->record_exists('context', array('depth' => 0)));
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id' => $lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id' => $lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id' => $lastuser));
$DB->delete_records('block_instances', array('parentcontextid' => $frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id' => $frontpagepagecontext->instanceid));
cleanup_contexts();
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
context_helper::reset_caches();
preload_course_contexts($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
context_helper::reset_caches();
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSECAT, 'ctx');
$sql = "SELECT c.id {$select} FROM {course_categories} c {$join}";
$records = $DB->get_records_sql($sql);
foreach ($records as $record) {
context_instance_preload($record);
$record = (array) $record;
$this->assertEqual(1, count($record));
// only id left
}
$this->assertEqual(count($records), context_inspection::test_context_cache_size());
accesslib_clear_all_caches(true);
$DB->delete_records('cache_flags', array());
mark_context_dirty($systemcontext->path);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id' => $testcourses[2]));
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
context_moved($context, $categorycontext);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$this->assertIdentical($context->get_parent_context(), $categorycontext);
$this->assertTrue($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $testcourses[2])));
delete_context(CONTEXT_COURSE, $testcourses[2]);
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $testcourses[2])));
$name = get_contextlevel_name(CONTEXT_COURSE);
$this->assertFalse(empty($name));
$context = get_context_instance(CONTEXT_COURSE, $testcourses[2]);
$name = print_context_name($context);
$this->assertFalse(empty($name));
$url = get_context_url($coursecontext);
$this->assertFalse($url instanceof modole_url);
$page = $DB->get_record('page', array('id' => $testpages[7]));
$context = get_context_instance(CONTEXT_MODULE, $page->id);
$coursecontext = get_course_context($context);
$this->assertEqual($coursecontext->contextlevel, CONTEXT_COURSE);
$this->assertEqual(get_courseid_from_context($context), $page->course);
$caps = fetch_context_capabilities($systemcontext);
$this->assertTrue(is_array($caps));
unset($caps);
}
/**
* Retrieve course records with the course managers and other related records
* that we need for print_course(). This allows print_courses() to do its job
* in a constant number of DB queries, regardless of the number of courses,
* role assignments, etc.
*
* The returned array is indexed on c.id, and each course will have
* - $course->managers - array containing RA objects that include a $user obj
* with the minimal fields needed for fullname()
*
* @deprecated since 2.5
*
* To get list of all courses with course contacts ('managers') use
* coursecat::get(0)->get_courses(array('recursive' => true, 'coursecontacts' => true));
*
* To get list of courses inside particular category use
* coursecat::get($id)->get_courses(array('coursecontacts' => true));
*
* Additionally you can specify sort order, offset and maximum number of courses,
* see {@link coursecat::get_courses()}
*
* Please note that code of this function is not changed to use coursecat class because
* coursecat::get_courses() returns result in slightly different format. Also note that
* get_courses_wmanagers() DOES NOT check that users are enrolled in the course and
* coursecat::get_courses() does.
*
* @global object
* @global object
* @global object
* @uses CONTEXT_COURSE
* @uses CONTEXT_SYSTEM
* @uses CONTEXT_COURSECAT
* @uses SITEID
* @param int|string $categoryid Either the categoryid for the courses or 'all'
* @param string $sort A SQL sort field and direction
* @param array $fields An array of additional fields to fetch
* @return array
*/
function get_courses_wmanagers($categoryid = 0, $sort = "c.sortorder ASC", $fields = array())
{
/*
* The plan is to
*
* - Grab the courses JOINed w/context
*
* - Grab the interesting course-manager RAs
* JOINed with a base user obj and add them to each course
*
* So as to do all the work in 2 DB queries. The RA+user JOIN
* ends up being pretty expensive if it happens over _all_
* courses on a large site. (Are we surprised!?)
*
* So this should _never_ get called with 'all' on a large site.
*
*/
global $USER, $CFG, $DB;
debugging('Function get_courses_wmanagers() is deprecated, please use coursecat::get_courses()', DEBUG_DEVELOPER);
$params = array();
$allcats = false;
// bool flag
if ($categoryid === 'all') {
$categoryclause = '';
$allcats = true;
} elseif (is_numeric($categoryid)) {
$categoryclause = "c.category = :catid";
$params['catid'] = $categoryid;
} else {
debugging("Could not recognise categoryid = {$categoryid}");
$categoryclause = '';
}
$basefields = array('id', 'category', 'sortorder', 'shortname', 'fullname', 'idnumber', 'startdate', 'visible', 'newsitems', 'groupmode', 'groupmodeforce');
if (!is_null($fields) && is_string($fields)) {
if (empty($fields)) {
$fields = $basefields;
} else {
// turn the fields from a string to an array that
// get_user_courses_bycap() will like...
$fields = explode(',', $fields);
$fields = array_map('trim', $fields);
$fields = array_unique(array_merge($basefields, $fields));
}
} elseif (is_array($fields)) {
$fields = array_merge($basefields, $fields);
}
$coursefields = 'c.' . join(',c.', $fields);
if (empty($sort)) {
$sortstatement = "";
} else {
$sortstatement = "ORDER BY {$sort}";
}
$where = 'WHERE c.id != ' . SITEID;
if ($categoryclause !== '') {
$where = "{$where} AND {$categoryclause}";
}
// pull out all courses matching the cat
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT {$coursefields} {$ccselect}\n FROM {course} c\n {$ccjoin}\n {$where}\n {$sortstatement}";
$catpaths = array();
$catpath = NULL;
if ($courses = $DB->get_records_sql($sql, $params)) {
// loop on courses materialising
// the context, and prepping data to fetch the
// managers efficiently later...
foreach ($courses as $k => $course) {
context_helper::preload_from_record($course);
$coursecontext = context_course::instance($course->id);
$courses[$k] = $course;
$courses[$k]->managers = array();
if ($allcats === false) {
// single cat, so take just the first one...
if ($catpath === NULL) {
$catpath = preg_replace(':/\\d+$:', '', $coursecontext->path);
}
} else {
// chop off the contextid of the course itself
// like dirname() does...
$catpaths[] = preg_replace(':/\\d+$:', '', $coursecontext->path);
}
}
} else {
return array();
// no courses!
}
$CFG->coursecontact = trim($CFG->coursecontact);
if (empty($CFG->coursecontact)) {
return $courses;
}
$managerroles = explode(',', $CFG->coursecontact);
$catctxids = '';
if (count($managerroles)) {
if ($allcats === true) {
$catpaths = array_unique($catpaths);
$ctxids = array();
foreach ($catpaths as $cpath) {
$ctxids = array_merge($ctxids, explode('/', substr($cpath, 1)));
}
$ctxids = array_unique($ctxids);
$catctxids = implode(',', $ctxids);
unset($catpaths);
unset($cpath);
} else {
// take the ctx path from the first course
// as all categories will be the same...
$catpath = substr($catpath, 1);
$catpath = preg_replace(':/\\d+$:', '', $catpath);
$catctxids = str_replace('/', ',', $catpath);
}
if ($categoryclause !== '') {
$categoryclause = "AND {$categoryclause}";
}
/*
* Note: Here we use a LEFT OUTER JOIN that can
* "optionally" match to avoid passing a ton of context
* ids in an IN() clause. Perhaps a subselect is faster.
*
* In any case, this SQL is not-so-nice over large sets of
* courses with no $categoryclause.
*
*/
$sql = "SELECT ctx.path, ctx.instanceid, ctx.contextlevel,\n r.id AS roleid, r.name AS rolename, r.shortname AS roleshortname,\n rn.name AS rolecoursealias, u.id AS userid, u.firstname, u.lastname\n FROM {role_assignments} ra\n JOIN {context} ctx ON ra.contextid = ctx.id\n JOIN {user} u ON ra.userid = u.id\n JOIN {role} r ON ra.roleid = r.id\n LEFT JOIN {role_names} rn ON (rn.contextid = ctx.id AND rn.roleid = r.id)\n LEFT OUTER JOIN {course} c\n ON (ctx.instanceid=c.id AND ctx.contextlevel=" . CONTEXT_COURSE . ")\n WHERE ( c.id IS NOT NULL";
// under certain conditions, $catctxids is NULL
if ($catctxids == NULL) {
$sql .= ") ";
} else {
$sql .= " OR ra.contextid IN ({$catctxids}) )";
}
$sql .= "AND ra.roleid IN ({$CFG->coursecontact})\n {$categoryclause}\n ORDER BY r.sortorder ASC, ctx.contextlevel ASC, ra.sortorder ASC";
$rs = $DB->get_recordset_sql($sql, $params);
// This loop is fairly stupid as it stands - might get better
// results doing an initial pass clustering RAs by path.
foreach ($rs as $ra) {
$user = new stdClass();
$user->id = $ra->userid;
unset($ra->userid);
$user->firstname = $ra->firstname;
unset($ra->firstname);
$user->lastname = $ra->lastname;
unset($ra->lastname);
$ra->user = $user;
if ($ra->contextlevel == CONTEXT_SYSTEM) {
foreach ($courses as $k => $course) {
$courses[$k]->managers[] = $ra;
}
} else {
if ($ra->contextlevel == CONTEXT_COURSECAT) {
if ($allcats === false) {
// It always applies
foreach ($courses as $k => $course) {
$courses[$k]->managers[] = $ra;
}
} else {
foreach ($courses as $k => $course) {
$coursecontext = context_course::instance($course->id);
// Note that strpos() returns 0 as "matched at pos 0"
if (strpos($coursecontext->path, $ra->path . '/') === 0) {
// Only add it to subpaths
$courses[$k]->managers[] = $ra;
}
}
}
} else {
// course-level
if (!array_key_exists($ra->instanceid, $courses)) {
//this course is not in a list, probably a frontpage course
continue;
}
$courses[$ra->instanceid]->managers[] = $ra;
}
}
}
$rs->close();
}
return $courses;
}
/**
* Returns the default courses to display on the calendar when there isn't a specific
* course to display.
*
* @return array $courses Array of courses to display
*/
function calendar_get_default_courses()
{
global $CFG, $DB;
if (!isloggedin()) {
return array();
}
$courses = array();
if (!empty($CFG->calendar_adminseesall) && has_capability('moodle/calendar:manageentries', context_system::instance())) {
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$select}\n FROM {course} c\n {$join}\n WHERE EXISTS (SELECT 1 FROM {event} e WHERE e.courseid = c.id)\n ";
$courses = $DB->get_records_sql($sql, null, 0, 20);
foreach ($courses as $course) {
context_helper::preload_from_record($course);
}
return $courses;
}
$courses = enrol_get_my_courses();
return $courses;
}
/**
*
* @global moodle_database $DB
*/
protected function get_searchsql()
{
global $DB;
list($ctxselect, $ctxjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSECAT, 'ctx');
$params = array('namesearch' => '%' . $this->get_search() . '%');
$select = " SELECT c.id,c.name,c.visible,c.sortorder,c.description,c.descriptionformat ";
$from = " FROM {course_categories} c ";
$where = " WHERE " . $DB->sql_like('c.name', ':namesearch', false);
$orderby = " ORDER BY c.sortorder";
return array($select . $ctxselect . $from . $ctxjoin . $where . $orderby, $params);
}
/**
* Get course participants details
*
* @param int $courseid course id
* @param array $options options {
* 'name' => option name
* 'value' => option value
* }
* @return array An array of users
*/
public static function get_enrolled_users($courseid, $options = array())
{
global $CFG, $USER, $DB;
require_once $CFG->dirroot . "/user/lib.php";
$params = self::validate_parameters(self::get_enrolled_users_parameters(), array('courseid' => $courseid, 'options' => $options));
$withcapability = '';
$groupid = 0;
$onlyactive = false;
$userfields = array();
$limitfrom = 0;
$limitnumber = 0;
foreach ($options as $option) {
switch ($option['name']) {
case 'withcapability':
$withcapability = $option['value'];
break;
case 'groupid':
$groupid = (int) $option['value'];
break;
case 'onlyactive':
$onlyactive = !empty($option['value']);
break;
case 'userfields':
$thefields = explode(',', $option['value']);
foreach ($thefields as $f) {
$userfields[] = clean_param($f, PARAM_ALPHANUMEXT);
}
case 'limitfrom':
$limitfrom = clean_param($option['value'], PARAM_INT);
break;
case 'limitnumber':
$limitnumber = clean_param($option['value'], PARAM_INT);
break;
}
}
$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$coursecontext = context_course::instance($courseid, IGNORE_MISSING);
if ($courseid == SITEID) {
$context = get_system_context();
} else {
$context = $coursecontext;
}
try {
self::validate_context($context);
} catch (Exception $e) {
$exceptionparam = new stdClass();
$exceptionparam->message = $e->getMessage();
$exceptionparam->courseid = $params['courseid'];
throw new moodle_exception('errorcoursecontextnotvalid', 'webservice', '', $exceptionparam);
}
if ($courseid == SITEID) {
require_capability('moodle/site:viewparticipants', $context);
} else {
require_capability('moodle/course:viewparticipants', $context);
}
// to overwrite this parameter, you need role:review capability
if ($withcapability) {
require_capability('moodle/role:review', $coursecontext);
}
// need accessallgroups capability if you want to overwrite this option
if (!empty($groupid) && groups_is_member($groupid)) {
require_capability('moodle/site:accessallgroups', $coursecontext);
}
// to overwrite this option, you need course:enrolereview permission
if ($onlyactive) {
require_capability('moodle/course:enrolreview', $coursecontext);
}
list($enrolledsql, $enrolledparams) = get_enrolled_sql($coursecontext, $withcapability, $groupid, $onlyactive);
list($ctxselect, $ctxjoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
$sqlparams['courseid'] = $courseid;
$sql = "SELECT u.* {$ctxselect}\n FROM {user} u {$ctxjoin}\n WHERE u.id IN ({$enrolledsql})\n ORDER BY u.id ASC";
$enrolledusers = $DB->get_recordset_sql($sql, $enrolledparams, $limitfrom, $limitnumber);
$users = array();
foreach ($enrolledusers as $user) {
context_instance_preload($user);
if ($userdetails = user_get_user_details($user, $course, $userfields)) {
$users[] = $userdetails;
}
}
$enrolledusers->close();
return $users;
}
/**
* A list of courses that match a search
*
* @global object
* @global object
* @param array $searchterms An array of search criteria
* @param string $sort A field and direction to sort by
* @param int $page The page number to get
* @param int $recordsperpage The number of records per page
* @param int $totalcount Passed in by reference.
* @return object {@link $COURSE} records
*/
function get_courses_search($searchterms, $sort, $page, $recordsperpage, &$totalcount)
{
global $CFG, $DB;
if ($DB->sql_regex_supported()) {
$REGEXP = $DB->sql_regex(true);
$NOTREGEXP = $DB->sql_regex(false);
}
$searchcond = array();
$params = array();
$i = 0;
// Thanks Oracle for your non-ansi concat and type limits in coalesce. MDL-29912
if ($DB->get_dbfamily() == 'oracle') {
$concat = "(c.summary|| ' ' || c.fullname || ' ' || c.idnumber || ' ' || c.shortname)";
} else {
$concat = $DB->sql_concat("COALESCE(c.summary, '')", "' '", 'c.fullname', "' '", 'c.idnumber', "' '", 'c.shortname');
}
foreach ($searchterms as $searchterm) {
$i++;
$NOT = false;
/// Initially we aren't going to perform NOT LIKE searches, only MSSQL and Oracle
/// will use it to simulate the "-" operator with LIKE clause
/// Under Oracle and MSSQL, trim the + and - operators and perform
/// simpler LIKE (or NOT LIKE) queries
if (!$DB->sql_regex_supported()) {
if (substr($searchterm, 0, 1) == '-') {
$NOT = true;
}
$searchterm = trim($searchterm, '+-');
}
// TODO: +- may not work for non latin languages
if (substr($searchterm, 0, 1) == '+') {
$searchterm = trim($searchterm, '+-');
$searchterm = preg_quote($searchterm, '|');
$searchcond[] = "{$concat} {$REGEXP} :ss{$i}";
$params['ss' . $i] = "(^|[^a-zA-Z0-9]){$searchterm}([^a-zA-Z0-9]|\$)";
} else {
if (substr($searchterm, 0, 1) == "-") {
$searchterm = trim($searchterm, '+-');
$searchterm = preg_quote($searchterm, '|');
$searchcond[] = "{$concat} {$NOTREGEXP} :ss{$i}";
$params['ss' . $i] = "(^|[^a-zA-Z0-9]){$searchterm}([^a-zA-Z0-9]|\$)";
} else {
$searchcond[] = $DB->sql_like($concat, ":ss{$i}", false, true, $NOT);
$params['ss' . $i] = "%{$searchterm}%";
}
}
}
if (empty($searchcond)) {
$totalcount = 0;
return array();
}
$searchcond = implode(" AND ", $searchcond);
$courses = array();
$c = 0;
// counts how many visible courses we've seen
// Tiki pagination
$limitfrom = $page * $recordsperpage;
$limitto = $limitfrom + $recordsperpage;
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$fields = array_diff(array_keys($DB->get_columns('course')), array('modinfo', 'sectioncache'));
$sql = "SELECT c." . join(',c.', $fields) . " {$ccselect}\n FROM {course} c\n {$ccjoin}\n WHERE {$searchcond} AND c.id <> " . SITEID . "\n ORDER BY {$sort}";
$rs = $DB->get_recordset_sql($sql, $params);
foreach ($rs as $course) {
if (!$course->visible) {
// preload contexts only for hidden courses or courses we need to return
context_instance_preload($course);
$coursecontext = context_course::instance($course->id);
if (!has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
continue;
}
}
// Don't exit this loop till the end
// we need to count all the visible courses
// to update $totalcount
if ($c >= $limitfrom && $c < $limitto) {
$courses[$course->id] = $course;
}
$c++;
}
$rs->close();
// our caller expects 2 bits of data - our return
// array, and an updated $totalcount
$totalcount = $c;
return $courses;
}
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$select} FROM {course} c\n {$join} JOIN {block_instances} bi ON bi.parentcontextid = ctx.id\n WHERE bi.blockname = ?";
$courses = $DB->get_records_sql($sql, array($blockname));
$totalcount = count($courses);
// Keep only chunk of array which you want to display
if ($totalcount > $perpage) {
$courses = array_chunk($courses, $perpage, true);
$courses = $courses[$page];
}
foreach ($courses as $course) {
$courses[$course->id] = $course;
}
} elseif (!empty($modulelist) and confirm_sesskey()) {
// get list of courses containing modules
$modulename = $modulelist;
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$select} FROM {course} c {$join}\n WHERE c.id IN (SELECT DISTINCT cc.id FROM {" . $modulelist . "} module, {course} cc\n WHERE module.course = cc.id)";
$courselist = $DB->get_records_sql($sql);
$courses = array();
if (!empty($courselist)) {
$firstcourse = $page * $perpage;
$lastcourse = $page * $perpage + $perpage - 1;
$i = 0;
foreach ($courselist as $course) {
if ($i >= $firstcourse && $i <= $lastcourse) {
$courses[$course->id] = $course;
}
$i++;
}
}
$totalcount = count($courselist);
/**
* This function generates a structured array of courses and categories.
*
* The depth of categories is limited by $CFG->maxcategorydepth however there
* is no limit on the number of courses!
*
* Suitable for use with the course renderers course_category_tree method:
* $renderer = $PAGE->get_renderer('core','course');
* echo $renderer->course_category_tree(get_course_category_tree());
*
* @global moodle_database $DB
* @param int $id
* @param int $depth
*/
function get_course_category_tree($id = 0, $depth = 0)
{
global $DB, $CFG;
$viewhiddencats = has_capability('moodle/category:viewhiddencategories', get_context_instance(CONTEXT_SYSTEM));
$categories = get_child_categories($id);
$categoryids = array();
foreach ($categories as $key => &$category) {
if (!$category->visible && !$viewhiddencats) {
unset($categories[$key]);
continue;
}
$categoryids[$category->id] = $category;
if (empty($CFG->maxcategorydepth) || $depth <= $CFG->maxcategorydepth) {
list($category->categories, $subcategories) = get_course_category_tree($category->id, $depth + 1);
foreach ($subcategories as $subid => $subcat) {
$categoryids[$subid] = $subcat;
}
$category->courses = array();
}
}
if ($depth > 0) {
// This is a recursive call so return the required array
return array($categories, $categoryids);
}
// The depth is 0 this function has just been called so we can finish it off
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
list($catsql, $catparams) = $DB->get_in_or_equal(array_keys($categoryids));
$sql = "SELECT\n c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.summary,c.category\n {$ccselect}\n FROM {course} c\n {$ccjoin}\n WHERE c.category {$catsql} ORDER BY c.sortorder ASC";
if ($courses = $DB->get_records_sql($sql, $catparams)) {
// loop throught them
foreach ($courses as $course) {
if ($course->id == SITEID) {
continue;
}
context_instance_preload($course);
if (!empty($course->visible) || has_capability('moodle/course:viewhiddencourses', get_context_instance(CONTEXT_COURSE, $course->id))) {
$categoryids[$course->category]->courses[$course->id] = $course;
}
}
}
return $categories;
}
/**
* Returns list of courses user is enrolled into without any capability checks
* - $fields is an array of fieldnames to ADD
* so name the fields you really need, which will
* be added and uniq'd
*
* @param int $userid
* @param bool $onlyactive return only active enrolments in courses user may see
* @param string|array $fields
* @param string $sort
* @return array
*/
function enrol_get_all_users_courses($userid, $categoryid, $cattype, $onlyactive = false, $fields = NULL, $sort = 'visible DESC,sortorder ASC')
{
global $DB;
// Guest account does not have any courses
if (isguestuser($userid) or empty($userid)) {
return array();
}
/**
* summary field is added in $basefields - Kesavamoorthy - 20/02/2013
*/
$basefields = array('id', 'category', 'sortorder', 'shortname', 'fullname', 'idnumber', 'startdate', 'visible', 'groupmode', 'groupmodeforce', 'summary');
if (empty($fields)) {
$fields = $basefields;
} else {
if (is_string($fields)) {
// turn the fields from a string to an array
$fields = explode(',', $fields);
$fields = array_map('trim', $fields);
$fields = array_unique(array_merge($basefields, $fields));
} else {
if (is_array($fields)) {
$fields = array_unique(array_merge($basefields, $fields));
} else {
throw new coding_exception('Invalid $fileds parameter in enrol_get_my_courses()');
}
}
}
if (in_array('*', $fields)) {
$fields = array('*');
}
$orderby = "";
$sort = trim($sort);
if (!empty($sort)) {
$rawsorts = explode(',', $sort);
$sorts = array();
foreach ($rawsorts as $rawsort) {
$rawsort = trim($rawsort);
if (strpos($rawsort, 'c.') === 0) {
$rawsort = substr($rawsort, 2);
}
$sorts[] = trim($rawsort);
}
$sort = 'c.' . implode(',c.', $sorts);
$orderby = "ORDER BY {$sort}";
}
$params = array('siteid' => SITEID);
if ($onlyactive) {
$subwhere = "WHERE ue.status = :active AND e.status = :enabled AND ue.timestart < :now1 AND (ue.timeend = 0 OR ue.timeend > :now2)";
$params['now1'] = round(time(), -2);
// improves db caching
$params['now2'] = $params['now1'];
$params['active'] = ENROL_USER_ACTIVE;
$params['enabled'] = ENROL_INSTANCE_ENABLED;
} else {
$subwhere = "";
}
$coursefields = 'c.' . join(',c.', $fields);
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
//note: we can not use DISTINCT + text fields due to Oracle and MS limitations, that is why we have the subselect there
if ($cattype == '') {
$sql = "SELECT {$coursefields} {$ccselect}\n FROM {course} c\n JOIN (SELECT DISTINCT e.courseid\n FROM {enrol} e\n JOIN {user_enrolments} ue ON (ue.enrolid = e.id AND ue.userid = :userid)\n {$subwhere}\n ) en ON (en.courseid = c.id)\n {$ccjoin}\n WHERE c.id <> :siteid AND c.category = :categoryid\n {$orderby}";
} else {
$sql = "SELECT {$coursefields}\n FROM {course} c\n \n WHERE c.id <> :siteid AND c.category = :categoryid\n {$orderby}";
}
$params['userid'] = $userid;
$params['categoryid'] = $categoryid;
$courses = $DB->get_records_sql($sql, $params);
return $courses;
}
/**
* Returns a sorted list of categories. Each category object has a context
* property that is a context object.
*
* When asking for $parent='none' it will return all the categories, regardless
* of depth. Wheen asking for a specific parent, the default is to return
* a "shallow" resultset. Pass false to $shallow and it will return all
* the child categories as well.
*
* @global object
* @uses CONTEXT_COURSECAT
* @param string $parent The parent category if any
* @param string $sort the sortorder
* @param bool $shallow - set to false to get the children too
* @return array of categories
*/
function get_categories($parent = 'none', $sort = NULL, $shallow = true)
{
global $DB;
if ($sort === NULL) {
$sort = 'ORDER BY cc.sortorder ASC';
} elseif ($sort === '') {
// leave it as empty
} else {
$sort = "ORDER BY {$sort}";
}
list($ccselect, $ccjoin) = context_instance_preload_sql('cc.id', CONTEXT_COURSECAT, 'ctx');
if ($parent === 'none') {
$sql = "SELECT cc.* {$ccselect}\n FROM {course_categories} cc\n {$ccjoin}\n {$sort}";
$params = array();
} elseif ($shallow) {
$sql = "SELECT cc.* {$ccselect}\n FROM {course_categories} cc\n {$ccjoin}\n WHERE cc.parent=?\n {$sort}";
$params = array($parent);
} else {
$sql = "SELECT cc.* {$ccselect}\n FROM {course_categories} cc\n {$ccjoin}\n JOIN {course_categories} ccp\n ON ((cc.parent = ccp.id) OR (cc.path LIKE " . $DB->sql_concat('ccp.path', "'/%'") . "))\n WHERE ccp.id=?\n {$sort}";
$params = array($parent);
}
$categories = array();
$rs = $DB->get_recordset_sql($sql, $params);
foreach ($rs as $cat) {
context_instance_preload($cat);
$catcontext = get_context_instance(CONTEXT_COURSECAT, $cat->id);
if ($cat->visible || has_capability('moodle/category:viewhiddencategories', $catcontext)) {
$categories[$cat->id] = $cat;
}
}
$rs->close();
return $categories;
}
} else {
$select = "SELECT u.id, u.username, u.firstname, u.lastname,
u.email, u.city, u.country, u.picture,
u.lang, u.timezone, u.maildisplay, u.imagealt,
COALESCE(ul.timeaccess, 0) AS lastaccess$extrasql";
$joins[] = "JOIN ($esql) e ON e.id = u.id"; // course enrolled users only
$joins[] = "LEFT JOIN {user_lastaccess} ul ON (ul.userid = u.id AND ul.courseid = :courseid)"; // not everybody accessed course yet
$params['courseid'] = $course->id;
if ($accesssince) {
$wheres[] = get_course_lastaccess_sql($accesssince);
}
}
// performance hacks - we preload user contexts together with accounts
list($ccselect, $ccjoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
$select .= $ccselect;
$joins[] = $ccjoin;
// limit list to users with some role only
if ($roleid) {
$wheres[] = "u.id IN (SELECT userid FROM {role_assignments} WHERE roleid = :roleid AND contextid $contextlist)";
$params['roleid'] = $roleid;
}
$from = implode("\n", $joins);
if ($wheres) {
$where = "WHERE " . implode(" AND ", $wheres);
} else {
$where = "";
* @copyright 2011 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require '../../config.php';
require_once "{$CFG->dirroot}/enrol/locallib.php";
require_once "{$CFG->dirroot}/enrol/renderer.php";
$ueid = required_param('ue', PARAM_INT);
// user enrolment id
$filter = optional_param('ifilter', 0, PARAM_INT);
$confirm = optional_param('confirm', false, PARAM_BOOL);
// Get the user enrolment object
$ue = $DB->get_record('user_enrolments', array('id' => $ueid), '*', MUST_EXIST);
// Get the user for whom the enrolment is
$user = $DB->get_record('user', array('id' => $ue->userid), '*', MUST_EXIST);
// Get the course the enrolment is to
list($ctxsql, $ctxjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.* {$ctxsql}\n FROM {course} c\n LEFT JOIN {enrol} e ON e.courseid = c.id\n {$ctxjoin}\n WHERE e.id = :enrolid";
$params = array('enrolid' => $ue->enrolid);
$course = $DB->get_record_sql($sql, $params, MUST_EXIST);
context_instance_preload($course);
if ($course->id == SITEID) {
redirect(new moodle_url('/'));
}
require_login($course);
require_capability("enrol/globalclassroom:unenrol", get_context_instance(CONTEXT_COURSE, $course->id, MUST_EXIST));
$manager = new course_enrolment_manager($PAGE, $course, $filter);
$table = new course_enrolment_users_table($manager, $PAGE);
// The URL of the enrolled users page for the course.
$usersurl = new moodle_url('/enrol/users.php', array('id' => $course->id));
// The URl to return the user too after this screen.
$returnurl = new moodle_url($usersurl, $manager->get_url_params() + $table->get_url_params());
/**
* Get course participant's details
*
* @param array $userlist array of user ids and according course ids
* @return array An array of arrays describing course participants
* @since Moodle 2.2
*/
public static function get_course_user_profiles($userlist)
{
global $CFG, $USER, $DB;
require_once $CFG->dirroot . "/user/lib.php";
$params = self::validate_parameters(self::get_course_user_profiles_parameters(), array('userlist' => $userlist));
$userids = array();
$courseids = array();
foreach ($params['userlist'] as $value) {
$userids[] = $value['userid'];
$courseids[$value['userid']] = $value['courseid'];
}
// cache all courses
$courses = array();
list($cselect, $cjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
list($sqlcourseids, $params) = $DB->get_in_or_equal(array_unique($courseids));
$coursesql = "SELECT c.* {$cselect}\n FROM {course} c {$cjoin}\n WHERE c.id {$sqlcourseids}";
$rs = $DB->get_recordset_sql($coursesql, $params);
foreach ($rs as $course) {
// adding course contexts to cache
context_instance_preload($course);
// cache courses
$courses[$course->id] = $course;
}
$rs->close();
list($uselect, $ujoin) = context_instance_preload_sql('u.id', CONTEXT_USER, 'ctx');
list($sqluserids, $params) = $DB->get_in_or_equal($userids);
$usersql = "SELECT u.* {$uselect}\n FROM {user} u {$ujoin}\n WHERE u.id {$sqluserids}";
$users = $DB->get_recordset_sql($usersql, $params);
$result = array();
foreach ($users as $user) {
if (!empty($user->deleted)) {
continue;
}
context_instance_preload($user);
$course = $courses[$courseids[$user->id]];
$context = context_course::instance($courseids[$user->id], IGNORE_MISSING);
self::validate_context($context);
if ($userarray = user_get_user_details($user, $course)) {
$result[] = $userarray;
}
}
$users->close();
return $result;
}
/**
* Loads the courses in Moodle into the navigation.
*
* @global moodle_database $DB
* @param string|array $categoryids An array containing categories to load courses
* for, OR null to load courses for all categories.
* @return array An array of navigation_nodes one for each course
*/
protected function load_all_courses($categoryids = null)
{
global $CFG, $DB, $SITE;
// Work out the limit of courses.
$limit = 20;
if (!empty($CFG->navcourselimit)) {
$limit = $CFG->navcourselimit;
}
$toload = empty($CFG->navshowallcourses) ? self::LOAD_ROOT_CATEGORIES : self::LOAD_ALL_CATEGORIES;
// If we are going to show all courses AND we are showing categories then
// to save us repeated DB calls load all of the categories now
if ($this->show_categories()) {
$this->load_all_categories($toload);
}
// Will be the return of our efforts
$coursenodes = array();
// Check if we need to show categories.
if ($this->show_categories()) {
// Hmmm we need to show categories... this is going to be painful.
// We now need to fetch up to $limit courses for each category to
// be displayed.
if ($categoryids !== null) {
if (!is_array($categoryids)) {
$categoryids = array($categoryids);
}
list($categorywhere, $categoryparams) = $DB->get_in_or_equal($categoryids, SQL_PARAMS_NAMED, 'cc');
$categorywhere = 'WHERE cc.id ' . $categorywhere;
} else {
if ($toload == self::LOAD_ROOT_CATEGORIES) {
$categorywhere = 'WHERE cc.depth = 1 OR cc.depth = 2';
$categoryparams = array();
} else {
$categorywhere = '';
$categoryparams = array();
}
}
// First up we are going to get the categories that we are going to
// need so that we can determine how best to load the courses from them.
$sql = "SELECT cc.id, COUNT(c.id) AS coursecount\n FROM {course_categories} cc\n LEFT JOIN {course} c ON c.category = cc.id\n {$categorywhere}\n GROUP BY cc.id";
$categories = $DB->get_recordset_sql($sql, $categoryparams);
$fullfetch = array();
$partfetch = array();
foreach ($categories as $category) {
if (!$this->can_add_more_courses_to_category($category->id)) {
continue;
}
if ($category->coursecount > $limit * 5) {
$partfetch[] = $category->id;
} else {
if ($category->coursecount > 0) {
$fullfetch[] = $category->id;
}
}
}
$categories->close();
if (count($fullfetch)) {
// First up fetch all of the courses in categories where we know that we are going to
// need the majority of courses.
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
list($categoryids, $categoryparams) = $DB->get_in_or_equal($fullfetch, SQL_PARAMS_NAMED, 'lcategory');
$sql = "SELECT c.id, c.sortorder, c.visible, c.fullname, c.shortname, c.category {$ccselect}\n FROM {course} c\n {$ccjoin}\n WHERE c.category {$categoryids}\n ORDER BY c.sortorder ASC";
$coursesrs = $DB->get_recordset_sql($sql, $categoryparams);
foreach ($coursesrs as $course) {
if ($course->id == $SITE->id) {
// This should not be necessary, frontpage is not in any category.
continue;
}
if (array_key_exists($course->id, $this->addedcourses)) {
// It is probably better to not include the already loaded courses
// directly in SQL because inequalities may confuse query optimisers
// and may interfere with query caching.
continue;
}
if (!$this->can_add_more_courses_to_category($course->category)) {
continue;
}
context_instance_preload($course);
if (!$course->visible && !is_role_switched($course->id) && !has_capability('moodle/course:viewhiddencourses', get_context_instance(CONTEXT_COURSE, $course->id))) {
continue;
}
$coursenodes[$course->id] = $this->add_course($course);
}
$coursesrs->close();
}
if (count($partfetch)) {
// Next we will work our way through the categories where we will likely only need a small
// proportion of the courses.
foreach ($partfetch as $categoryid) {
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT c.id, c.sortorder, c.visible, c.fullname, c.shortname, c.category {$ccselect}\n FROM {course} c\n {$ccjoin}\n WHERE c.category = :categoryid\n ORDER BY c.sortorder ASC";
$courseparams = array('categoryid' => $categoryid);
$coursesrs = $DB->get_recordset_sql($sql, $courseparams, 0, $limit * 5);
foreach ($coursesrs as $course) {
if ($course->id == $SITE->id) {
// This should not be necessary, frontpage is not in any category.
continue;
}
if (array_key_exists($course->id, $this->addedcourses)) {
// It is probably better to not include the already loaded courses
// directly in SQL because inequalities may confuse query optimisers
// and may interfere with query caching.
// This also helps to respect expected $limit on repeated executions.
continue;
}
if (!$this->can_add_more_courses_to_category($course->category)) {
break;
}
context_instance_preload($course);
if (!$course->visible && !is_role_switched($course->id) && !has_capability('moodle/course:viewhiddencourses', get_context_instance(CONTEXT_COURSE, $course->id))) {
continue;
}
$coursenodes[$course->id] = $this->add_course($course);
}
$coursesrs->close();
}
}
} else {
// Prepare the SQL to load the courses and their contexts
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
list($courseids, $courseparams) = $DB->get_in_or_equal(array_keys($this->addedcourses), SQL_PARAMS_NAMED, 'lc', false);
$sql = "SELECT c.id, c.sortorder, c.visible, c.fullname, c.shortname, c.category {$ccselect}\n FROM {course} c\n {$ccjoin}\n WHERE c.id {$courseids}\n ORDER BY c.sortorder ASC";
$coursesrs = $DB->get_recordset_sql($sql, $courseparams);
foreach ($coursesrs as $course) {
if ($course->id == $SITE->id) {
// frotpage is not wanted here
continue;
}
context_instance_preload($course);
if (!$course->visible && !is_role_switched($course->id) && !has_capability('moodle/course:viewhiddencourses', get_context_instance(CONTEXT_COURSE, $course->id))) {
continue;
}
$coursenodes[$course->id] = $this->add_course($course);
if (count($coursenodes) >= $limit) {
break;
}
}
$coursesrs->close();
}
return $coursenodes;
}
/**
* Returns the default courses to display on the calendar when there isn't a specific
* course to display.
*
* @return array $courses Array of courses to display
*/
function calendar_get_default_courses()
{
global $CFG, $DB;
if (!isloggedin()) {
return array();
}
$courses = array();
if (!empty($CFG->calendar_adminseesall) && has_capability('moodle/calendar:manageentries', get_context_instance(CONTEXT_SYSTEM))) {
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
$sql = "SELECT DISTINCT c.* {$select}\n FROM {course} c\n JOIN {event} e ON e.courseid = c.id\n {$join}";
$courses = $DB->get_records_sql($sql, null, 0, 20);
foreach ($courses as $course) {
context_instance_preload($course);
}
return $courses;
}
$courses = enrol_get_my_courses();
return $courses;
}
