// Attempt to update the grade item if relevant
$grademodule = $DB->get_record($cm->modname, array('id' => $cm->instance));
$grademodule->cmidnumber = $cm->idnumber;
$grademodule->modname = $cm->modname;
grade_update_mod_grades($grademodule);
// We need to return strings after they've been through filters for multilang
$stringoptions = new stdClass();
$stringoptions->context = $coursecontext;
echo json_encode(array('instancename' => html_entity_decode(format_string($module->name, true, $stringoptions))));
break;
}
break;
case 'course':
switch ($field) {
case 'marker':
require_capability('moodle/course:setcurrentsection', $coursecontext);
course_set_marker($course->id, $value);
break;
}
break;
}
break;
case 'DELETE':
switch ($class) {
case 'resource':
require_capability('moodle/course:manageactivities', $modcontext);
course_delete_module($cm->id);
break;
}
break;
}
/**
* Deletes a section
*
* Do not call this function directly, instead call {@link course_delete_section()}
*
* @param int|stdClass|section_info $section
* @param bool $forcedeleteifnotempty if set to false section will not be deleted if it has modules in it.
* @return bool whether section was deleted
*/
public function delete_section($section, $forcedeleteifnotempty = false)
{
global $DB;
if (!$this->uses_sections()) {
// Not possible to delete section if sections are not used.
return false;
}
if (!is_object($section)) {
$section = $DB->get_record('course_sections', array('course' => $this->get_courseid(), 'section' => $section), 'id,section,sequence,summary');
}
if (!$section || !$section->section) {
// Not possible to delete 0-section.
return false;
}
if (!$forcedeleteifnotempty && (!empty($section->sequence) || !empty($section->summary))) {
return false;
}
$course = $this->get_course();
// Remove the marker if it points to this section.
if ($section->section == $course->marker) {
course_set_marker($course->id, 0);
}
$lastsection = $DB->get_field_sql('SELECT max(section) from {course_sections}
WHERE course = ?', array($course->id));
// Find out if we need to descrease the 'numsections' property later.
$courseformathasnumsections = array_key_exists('numsections', $this->get_format_options());
$decreasenumsections = $courseformathasnumsections && $section->section <= $course->numsections;
// Move the section to the end.
move_section_to($course, $section->section, $lastsection, true);
// Delete all modules from the section.
foreach (preg_split('/,/', $section->sequence, -1, PREG_SPLIT_NO_EMPTY) as $cmid) {
course_delete_module($cmid);
}
// Delete section and it's format options.
$DB->delete_records('course_format_options', array('sectionid' => $section->id));
$DB->delete_records('course_sections', array('id' => $section->id));
rebuild_course_cache($course->id, true);
// Descrease 'numsections' if needed.
if ($decreasenumsections) {
$this->update_course_format_options(array('numsections' => $course->numsections - 1));
}
return true;
}
/**
* Moves a section within a course, from a position to another.
* Be very careful: $section and $destination refer to section number,
* not id!.
*
* @param object $course
* @param int $section Section number (not id!!!)
* @param int $destination
* @return boolean Result
*/
function move_section_to($course, $section, $destination)
{
/// Moves a whole course section up and down within the course
global $USER, $DB;
if (!$destination && $destination != 0) {
return true;
}
if ($destination > $course->numsections) {
return false;
}
// Get all sections for this course and re-order them (2 of them should now share the same section number)
if (!($sections = $DB->get_records_menu('course_sections', array('course' => $course->id), 'section ASC, id ASC', 'id, section'))) {
return false;
}
$movedsections = reorder_sections($sections, $section, $destination);
// Update all sections. Do this in 2 steps to avoid breaking database
// uniqueness constraint
$transaction = $DB->start_delegated_transaction();
foreach ($movedsections as $id => $position) {
if ($sections[$id] !== $position) {
$DB->set_field('course_sections', 'section', -$position, array('id' => $id));
}
}
foreach ($movedsections as $id => $position) {
if ($sections[$id] !== $position) {
$DB->set_field('course_sections', 'section', $position, array('id' => $id));
}
}
// Adjust destination to reflect the actual section
$moveup = false;
if ($section > $destination) {
$destination++;
$moveup = true;
}
// If we move the highlighted section itself, then just highlight the destination.
// Adjust the higlighted section location if we move something over it either direction.
if ($section == $course->marker) {
course_set_marker($course, $destination);
} elseif ($moveup && $section > $course->marker && $course->marker >= $destination) {
course_set_marker($course, $course->marker + 1);
} elseif (!$moveup && $section < $course->marker && $course->marker <= $destination) {
course_set_marker($course, $course->marker - 1);
}
// if the focus is on the section that is being moved, then move the focus along
if (course_get_display($course->id) == $section) {
course_set_display($course->id, $destination);
}
$transaction->allow_commit();
return true;
}
/**
* Moves section to the specified position
*
* @param int|section_info $section
* @param int|section_info $parent
* @param null|int|section_info $before
* @return int new section number
*/
protected function move_section($section, $parent, $before = null)
{
global $DB;
$section = $this->get_section($section);
$parent = $this->get_section($parent);
$newsectionnumber = $section->section;
if (!$this->can_move_section_to($section, $parent, $before)) {
return $newsectionnumber;
}
if ($section->visible != $parent->visible && $section->parent != $parent->section) {
// section is changing parent and new parent has different visibility than the section
if ($section->visible) {
// visible section is moved under hidden parent
$updatesectionvisible = 0;
$updatesectionvisibleold = 1;
} else {
// hidden section is moved under visible parent
if ($section->visibleold) {
$updatesectionvisible = 1;
$updatesectionvisibleold = 1;
}
}
}
// find the changes in the sections numbering
$origorder = array();
foreach ($this->get_sections() as $subsection) {
$origorder[$subsection->id] = $subsection->section;
}
$neworder = array();
$this->reorder_sections($neworder, 0, $section->section, $parent, $before);
if (count($origorder) != count($neworder)) {
die('Error in sections hierarchy');
// TODO
}
$changes = array();
foreach ($origorder as $id => $num) {
if ($num == $section->section) {
$newsectionnumber = $neworder[$id];
}
if ($num != $neworder[$id]) {
$changes[$id] = array('old' => $num, 'new' => $neworder[$id]);
if ($num && $this->get_course()->marker == $num) {
$changemarker = $neworder[$id];
}
}
if ($this->get_section_number($parent) === $num) {
$newparentnum = $neworder[$id];
}
}
if (empty($changes) && $newparentnum == $section->parent) {
return $newsectionnumber;
}
// build array of required changes in field 'parent'
// $changeparent[sectionid] = newsectionnum;
$changeparent = array();
foreach ($this->get_sections() as $subsection) {
foreach ($changes as $id => $change) {
if ($subsection->parent == $change['old']) {
$changeparent[$subsection->id] = $change['new'];
}
}
}
$changeparent[$section->id] = $newparentnum;
// Update all in database in one transaction
$transaction = $DB->start_delegated_transaction();
// Update sections numbers in 2 steps to avoid breaking database uniqueness constraint
foreach ($changes as $id => $change) {
$DB->set_field('course_sections', 'section', -$change['new'], array('id' => $id));
}
foreach ($changes as $id => $change) {
$DB->set_field('course_sections', 'section', $change['new'], array('id' => $id));
}
// change parents of their subsections
foreach ($changeparent as $id => $newnum) {
$this->update_section_format_options(array('id' => $id, 'parent' => $newnum));
}
$transaction->allow_commit();
rebuild_course_cache($this->courseid, true);
if (isset($changemarker)) {
course_set_marker($this->courseid, $changemarker);
}
if (isset($updatesectionvisible)) {
$this->set_section_visible($newsectionnumber, $updatesectionvisible, $updatesectionvisibleold);
}
return $newsectionnumber;
}
/**
* Moves a section within a course, from a position to another.
* Be very careful: $section and $destination refer to section number,
* not id!.
*
* @param object $course
* @param int $section Section number (not id!!!)
* @param int $destination
* @return boolean Result
*/
function move_section_to($course, $section, $destination)
{
/// Moves a whole course section up and down within the course
global $USER, $DB;
if (!$destination && $destination != 0) {
return true;
}
// compartibility with course formats using field 'numsections'
$courseformatoptions = course_get_format($course)->get_format_options();
if (array_key_exists('numsections', $courseformatoptions) && $destination > $courseformatoptions['numsections'] || $destination < 1) {
return false;
}
// Get all sections for this course and re-order them (2 of them should now share the same section number)
if (!($sections = $DB->get_records_menu('course_sections', array('course' => $course->id), 'section ASC, id ASC', 'id, section'))) {
return false;
}
$movedsections = reorder_sections($sections, $section, $destination);
// Update all sections. Do this in 2 steps to avoid breaking database
// uniqueness constraint
$transaction = $DB->start_delegated_transaction();
foreach ($movedsections as $id => $position) {
if ($sections[$id] !== $position) {
$DB->set_field('course_sections', 'section', -$position, array('id' => $id));
}
}
foreach ($movedsections as $id => $position) {
if ($sections[$id] !== $position) {
$DB->set_field('course_sections', 'section', $position, array('id' => $id));
}
}
// If we move the highlighted section itself, then just highlight the destination.
// Adjust the higlighted section location if we move something over it either direction.
if ($section == $course->marker) {
course_set_marker($course->id, $destination);
} elseif ($section > $course->marker && $course->marker >= $destination) {
course_set_marker($course->id, $course->marker + 1);
} elseif ($section < $course->marker && $course->marker <= $destination) {
course_set_marker($course->id, $course->marker - 1);
}
$transaction->allow_commit();
rebuild_course_cache($course->id, true);
return true;
}
// It is based of the "topics" format
defined('MOODLE_INTERNAL') || die;
require_once $CFG->libdir . '/filelib.php';
require_once $CFG->libdir . '/completionlib.php';
// Horrible backwards compatible parameter aliasing..
if ($topic = optional_param('topic', 0, PARAM_INT)) {
$url = $PAGE->url;
$url->param('section', $topic);
debugging('Outdated topic param passed to course/view.php', DEBUG_DEVELOPER);
redirect($url);
}
// End backwards-compatible aliasing..
$context = context_course::instance($course->id);
if ($marker >= 0 && has_capability('moodle/course:setcurrentsection', $context) && confirm_sesskey()) {
$course->marker = $marker;
course_set_marker($course->id, $marker);
}
// make sure all sections are created
$course = course_get_format($course)->get_course();
course_create_sections_if_missing($course, range(0, $course->numsections));
//onetopic format is always multipage
$course->realcoursedisplay = $course->coursedisplay == COURSE_DISPLAY_MULTIPAGE;
$course->coursedisplay = COURSE_DISPLAY_MULTIPAGE;
$renderer = $PAGE->get_renderer('format_onetopic');
$section = optional_param('section', -1, PARAM_INT);
if (isset($section) && $section >= 0 && $course->numsections >= $section) {
$USER->display[$course->id] = $section;
$displaysection = $section;
} else {
if (isset($USER->display[$course->id]) && $course->numsections >= $USER->display[$course->id]) {
$displaysection = $USER->display[$course->id];
public function test_course_delete_section()
{
global $DB;
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
$course = $generator->create_course(array('numsections' => 6, 'format' => 'topics'), array('createsections' => true));
$assign0 = $generator->create_module('assign', array('course' => $course, 'section' => 0));
$assign1 = $generator->create_module('assign', array('course' => $course, 'section' => 1));
$assign21 = $generator->create_module('assign', array('course' => $course, 'section' => 2));
$assign22 = $generator->create_module('assign', array('course' => $course, 'section' => 2));
$assign3 = $generator->create_module('assign', array('course' => $course, 'section' => 3));
$assign5 = $generator->create_module('assign', array('course' => $course, 'section' => 5));
$assign6 = $generator->create_module('assign', array('course' => $course, 'section' => 6));
$this->setAdminUser();
// Attempt to delete non-existing section.
$this->assertFalse(course_delete_section($course, 10, false));
$this->assertFalse(course_delete_section($course, 9, true));
// Attempt to delete 0-section.
$this->assertFalse(course_delete_section($course, 0, true));
$this->assertTrue($DB->record_exists('course_modules', array('id' => $assign0->cmid)));
// Delete last section.
$this->assertTrue(course_delete_section($course, 6, true));
$this->assertFalse($DB->record_exists('course_modules', array('id' => $assign6->cmid)));
$this->assertEquals(5, course_get_format($course)->get_course()->numsections);
// Delete empty section.
$this->assertTrue(course_delete_section($course, 4, false));
$this->assertEquals(4, course_get_format($course)->get_course()->numsections);
// Delete section in the middle (2).
$this->assertFalse(course_delete_section($course, 2, false));
$this->assertTrue(course_delete_section($course, 2, true));
$this->assertFalse($DB->record_exists('course_modules', array('id' => $assign21->cmid)));
$this->assertFalse($DB->record_exists('course_modules', array('id' => $assign22->cmid)));
$this->assertEquals(3, course_get_format($course)->get_course()->numsections);
$this->assertEquals(array(0 => array($assign0->cmid), 1 => array($assign1->cmid), 2 => array($assign3->cmid), 3 => array($assign5->cmid)), get_fast_modinfo($course)->sections);
// Make last section orphaned.
update_course((object) array('id' => $course->id, 'numsections' => 2));
$this->assertEquals(2, course_get_format($course)->get_course()->numsections);
// Remove orphaned section.
$this->assertTrue(course_delete_section($course, 3, true));
$this->assertEquals(2, course_get_format($course)->get_course()->numsections);
// Remove marked section.
course_set_marker($course->id, 1);
$this->assertTrue(course_get_format($course)->is_section_current(1));
$this->assertTrue(course_delete_section($course, 1, true));
$this->assertFalse(course_get_format($course)->is_section_current(1));
}
public function test_move_section_marker()
{
global $DB;
$this->resetAfterTest(true);
$this->getDataGenerator()->create_course(array('numsections' => 5), array('createsections' => true));
$course = $this->getDataGenerator()->create_course(array('numsections' => 10), array('createsections' => true));
// Set course marker to the section we are going to move..
course_set_marker($course->id, 2);
// Verify that the course marker is set correctly.
$course = $DB->get_record('course', array('id' => $course->id));
$this->assertEquals(2, $course->marker);
// Test move the marked section down..
move_section_to($course, 2, 4);
// Verify that the coruse marker has been moved along with the section..
$course = $DB->get_record('course', array('id' => $course->id));
$this->assertEquals(4, $course->marker);
// Test move the marked section up..
move_section_to($course, 4, 3);
// Verify that the course marker has been moved along with the section..
$course = $DB->get_record('course', array('id' => $course->id));
$this->assertEquals(3, $course->marker);
// Test moving a non-marked section above the marked section..
move_section_to($course, 4, 2);
// Verify that the course marker has been moved down to accomodate..
$course = $DB->get_record('course', array('id' => $course->id));
$this->assertEquals(4, $course->marker);
// Test moving a non-marked section below the marked section..
move_section_to($course, 3, 6);
// Verify that the course marker has been up to accomodate..
$course = $DB->get_record('course', array('id' => $course->id));
$this->assertEquals(3, $course->marker);
}
/**
* Moves a section up or down by 1. CANNOT BE USED DIRECTLY BY AJAX!
*
* @param object $course course object
* @param int $section Section number (not id!!!)
* @param int $move (-1 or 1)
* @return boolean true if section moved successfully
*/
function move_section($course, $section, $move)
{
/// Moves a whole course section up and down within the course
global $USER, $DB;
if (!$move) {
return true;
}
$sectiondest = $section + $move;
if ($sectiondest > $course->numsections or $sectiondest < 1) {
return false;
}
if (!($sectionrecord = $DB->get_record("course_sections", array("course" => $course->id, "section" => $section)))) {
return false;
}
if (!($sectiondestrecord = $DB->get_record("course_sections", array("course" => $course->id, "section" => $sectiondest)))) {
return false;
}
$DB->set_field("course_sections", "section", $sectiondest, array("id" => $sectionrecord->id));
$DB->set_field("course_sections", "section", $section, array("id" => $sectiondestrecord->id));
// Update highlighting if the move affects highlighted section
if ($course->marker == $section) {
course_set_marker($course->id, $sectiondest);
} elseif ($course->marker == $sectiondest) {
course_set_marker($course->id, $section);
}
// if the focus is on the section that is being moved, then move the focus along
if (course_get_display($course->id) == $section) {
course_set_display($course->id, $sectiondest);
}
// Check for duplicates and fix order if needed.
// There is a very rare case that some sections in the same course have the same section id.
$sections = $DB->get_records('course_sections', array('course' => $course->id), 'section ASC');
$n = 0;
foreach ($sections as $section) {
if ($section->section != $n) {
$DB->set_field('course_sections', 'section', $n, array('id' => $section->id));
}
$n++;
}
return true;
}
/**
* fix_course_marker
*/
function fix_course_marker()
{
global $COURSE;
// get default marker value
$marker = empty($COURSE->marker) ? 0 : $COURSE->marker;
// get marker value from form
$marker = optional_param('marker', $marker, PARAM_INT);
// update if necessary
if ($marker == $COURSE->marker) {
// do nothing
} else {
if (has_capability('moodle/course:setcurrentsection', $this->page->context)) {
$COURSE->marker = $marker;
course_set_marker($COURSE->id, $marker);
}
}
}
/**
* @param string $shortname
* @param int $sectionnumber
* @param boolean $highlight
* @throws \required_capability_exception
* @return array
*/
public function highlight_section($shortname, $sectionnumber, $highlight)
{
global $OUTPUT;
$course = $this->coursebyshortname($shortname);
$context = \context_course::instance($course->id);
require_capability('moodle/course:setcurrentsection', $context);
$setsectionnumber = empty($highlight) ? 0 : $sectionnumber;
course_set_marker($course->id, $setsectionnumber);
$course->marker = $setsectionnumber;
$modinfo = get_fast_modinfo($course);
if ($highlight) {
$section = $modinfo->get_section_info(0);
} else {
$section = $modinfo->get_section_info($sectionnumber);
}
$actionmodel = new \theme_snap\renderables\course_action_section_highlight($course, $section);
$toc = new \theme_snap\renderables\course_toc($course);
return ['actionmodel' => $actionmodel->export_for_template($OUTPUT), 'toc' => $toc->export_for_template($OUTPUT)];
}