}
// Checking course instance
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
if (!($ouwiki = $DB->get_record('ouwiki', array('id' => $cm->instance)))) {
print_error('invalidcoursemodule');
}
$PAGE->set_cm($cm);
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$PAGE->set_pagelayout('incourse');
require_course_login($course, true, $cm);
$ouwikioutput = $PAGE->get_renderer('mod_ouwiki');
$candelete = has_capability('mod/ouwiki:deletepage', $context);
// Get the current page [and current version, which we ignore]
$pageversion1 = ouwiki_get_page_version($subwiki, $pagename, $v1);
$pageversion2 = ouwiki_get_page_version($subwiki, $pagename, $v2);
if (!$pageversion1 || !$pageversion2 || (!empty($pageversion1->deletedat) || !empty($pageversion2->deletedat)) && !$candelete) {
print_error('Specified version does not exist');
}
if ($pageversion1 >= $pageversion2) {
print_error('Versions out of order');
}
// Print header
$tabhistparams = ouwiki_shared_url_params($pagename, $subwiki, $cm);
echo $ouwikioutput->ouwiki_print_start($ouwiki, $cm, $course, $subwiki, $pagename, $context, array(array('name' => get_string('tab_history', 'ouwiki'), 'link' => new moodle_url('/mod/ouwiki/history.php', $tabhistparams)), array('name' => get_string('changesnav', 'ouwiki'), 'link' => null)), true, true);
// Obtain difference between two versions
list($diff1, $diff2, $numchanges) = ouwiki_diff_html($pageversion1->xhtml, $pageversion2->xhtml);
$fs = get_file_storage();
$files1 = ($files1 = $fs->get_area_files($context->id, 'mod_ouwiki', 'attachment', $pageversion1->versionid, "timemodified", false)) ? $files1 : null;
$files2 = ($files2 = $fs->get_area_files($context->id, 'mod_ouwiki', 'attachment', $pageversion2->versionid, "timemodified", false)) ? $files2 : null;
list($attachdiff1, $attachdiff2, $attachnumchanges) = ouwiki_diff_attachments($files1, $files2, $context->id, $pageversion1->versionid, $pageversion2->versionid);
if (!($cm = get_coursemodule_from_id('ouwiki', $id))) {
print_error('invalidcoursemodule');
}
// Checking course instance
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
if (!($ouwiki = $DB->get_record('ouwiki', array('id' => $cm->instance)))) {
print_error('invalidcoursemodule');
}
$PAGE->set_cm($cm);
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$PAGE->set_pagelayout('incourse');
require_course_login($course, true, $cm);
require_capability('mod/ouwiki:deletepage', $context);
// Get the page version to be [un]deleted
$pageversion = ouwiki_get_page_version($subwiki, $pagename, $versionid);
if (!$pageversion) {
print_error('deleteversionerrorversion', 'ouwiki');
}
// Note: No need to confirm deleting/undeleting page version
// Lock page
list($lockok, $lock) = ouwiki_obtain_lock($ouwiki, $pageversion->pageid);
// Set default action
$action = 'delete';
try {
// [Un]Delete page version
if (empty($pageversion->deletedat)) {
// Flag page version as deleted
$DB->set_field('ouwiki_versions', 'deletedat', time(), array('id' => $versionid));
// Check if current version has been deleted
if ($pageversion->versionid == $pageversion->currentversionid) {
function test_ouwiki_pages_and_versions()
{
$user = $this->get_new_user();
$course = $this->get_new_course();
// setup a wiki to use
$ouwiki = $this->get_new_ouwiki($course->id, OUWIKI_SUBWIKIS_SINGLE);
$cm = $this->get_new_course_module($course->id, $ouwiki->id, NOGROUPS);
$context = get_context_instance(CONTEXT_MODULE, $cm->instance);
$groupid = 0;
$subwiki = ouwiki_get_subwiki($course, $ouwiki, $cm, $context, $groupid, $user->id, true);
// create the start page
$startpagename = 'startpage';
$formdata = null;
$startpageversion = ouwiki_get_current_page($subwiki, $startpagename, OUWIKI_GETPAGE_CREATE);
ouwiki_save_new_version($course, $cm, $ouwiki, $subwiki, $startpagename, $startpagename, -1, -1, -1, null, $formdata);
$this->assertIsA($subwiki, "stdClass");
// create a page
$pagename1 = 'testpage1';
$content1 = 'testcontent';
// we don't get anything returned for this
ouwiki_create_new_page($course, $cm, $ouwiki, $subwiki, $startpagename, $pagename1, $content1, $formdata);
// try get that page
$pageversion = ouwiki_get_current_page($subwiki, $pagename1);
$this->assertIsA($subwiki, "stdClass");
$this->assertEqual($pageversion->title, $pagename1);
// make some more version
$content2 = "testcontent2";
$content3 = "testcontent3";
ouwiki_save_new_version($course, $cm, $ouwiki, $subwiki, $pagename1, $content2, -1, -1, -1, null, $formdata);
ouwiki_save_new_version($course, $cm, $ouwiki, $subwiki, $pagename1, $content3, -1, -1, -1, null, $formdata);
// get the history
$history = ouwiki_get_page_history($pageversion->pageid, true);
$this->assertIsA($history, "array");
// last version should match $content3
$lastversion = array_shift($history);
$pageversion = ouwiki_get_page_version($subwiki, $pagename1, $lastversion->versionid);
$this->assertEqual($pageversion->xhtml, $content3);
// add another page
$pagename2 = 'testpage2';
$content4 = 'testcontent4';
// we don't get anything returned for this
ouwiki_create_new_page($course, $cm, $ouwiki, $subwiki, $startpagename, $pagename2, $content4, $formdata);
// test recent pages
$changes = ouwiki_get_subwiki_recentpages($subwiki->id);
$this->assertIsA($changes, "array");
// first page should be startpage
$this->assertEqual($changes[1]->title, $startpagename);
// 3rd page should be pagename2
$this->assertEqual($changes[3]->title, $pagename2);
// test recent wiki changes
$changes = ouwiki_get_subwiki_recentchanges($subwiki->id);
$this->assertEqual($changes[1]->title, $startpagename);
// sixth change should be to testpage2 - when we created testpage2
$this->assertEqual($changes[6]->title, $pagename2);
// seventh change shouldbe start page again - when we linked to testpage2 to startpage
$this->assertEqual($changes[7]->title, $startpagename);
// test deleting a version
}
