require_login($course, true, $cm);
if (!wiki_user_can_view($subwiki, $wiki)) {
print_error('cannotviewpage', 'wiki');
}
$context = context_module::instance($cm->id);
require_capability('mod/wiki:managewiki', $context);
//Delete page if a page ID to delete was supplied
if (!empty($delete) && confirm_sesskey()) {
if ($pageid != $delete) {
// Validate that we are deleting from the same subwiki.
$deletepage = wiki_get_page($delete);
if (!$deletepage || $deletepage->subwikiid != $page->subwikiid) {
print_error('incorrectsubwikiid', 'wiki');
}
}
wiki_delete_pages($context, $delete, $page->subwikiid);
//when current wiki page is deleted, then redirect user to create that page, as
//current pageid is invalid after deletion.
if ($pageid == $delete) {
$params = array('swid' => $page->subwikiid, 'title' => $page->title);
$url = new moodle_url('/mod/wiki/create.php', $params);
redirect($url);
}
}
//delete version if toversion and fromversion are set.
if (!empty($toversion) && !empty($fromversion) && confirm_sesskey()) {
//make sure all versions should not be deleted...
$versioncount = wiki_count_wiki_page_versions($pageid);
$versioncount -= 1;
//ignore version 0
$totalversionstodelete = $toversion - $fromversion;
/**
* Implements callback to reset course
*
* @param stdClass $data
* @return boolean|array
*/
function wiki_reset_userdata($data)
{
global $CFG, $DB;
require_once $CFG->dirroot . '/mod/wiki/pagelib.php';
require_once $CFG->dirroot . "/mod/wiki/locallib.php";
$componentstr = get_string('modulenameplural', 'wiki');
$status = array();
//get the wiki(s) in this course.
if (!($wikis = $DB->get_records('wiki', array('course' => $data->courseid)))) {
return false;
}
if (empty($data->reset_wiki_comments) && empty($data->reset_wiki_tags) && empty($data->reset_wiki_pages)) {
return $status;
}
foreach ($wikis as $wiki) {
if (!($cm = get_coursemodule_from_instance('wiki', $wiki->id, $data->courseid))) {
continue;
}
$context = context_module::instance($cm->id);
// Remove tags or all pages.
if (!empty($data->reset_wiki_pages) || !empty($data->reset_wiki_tags)) {
// Get subwiki information.
$subwikis = wiki_get_subwikis($wiki->id);
foreach ($subwikis as $subwiki) {
// Get existing pages.
if ($pages = wiki_get_page_list($subwiki->id)) {
// If the wiki page isn't selected then we are only removing tags.
if (empty($data->reset_wiki_pages)) {
// Go through each page and delete the tags.
foreach ($pages as $page) {
core_tag_tag::remove_all_item_tags('mod_wiki', 'wiki_pages', $page->id);
}
} else {
// Otherwise we are removing pages and tags.
wiki_delete_pages($context, $pages, $subwiki->id);
}
}
if (!empty($data->reset_wiki_pages)) {
// Delete any subwikis.
$DB->delete_records('wiki_subwikis', array('id' => $subwiki->id), IGNORE_MISSING);
// Delete any attached files.
$fs = get_file_storage();
$fs->delete_area_files($context->id, 'mod_wiki', 'attachments');
}
}
if (!empty($data->reset_wiki_pages)) {
$status[] = array('component' => $componentstr, 'item' => get_string('deleteallpages', 'wiki'), 'error' => false);
}
if (!empty($data->reset_wiki_tags)) {
$status[] = array('component' => $componentstr, 'item' => get_string('tagsdeleted', 'wiki'), 'error' => false);
}
}
// Remove all comments.
if (!empty($data->reset_wiki_comments) || !empty($data->reset_wiki_pages)) {
$DB->delete_records_select('comments', "contextid = ? AND commentarea='wiki_page'", array($context->id));
if (!empty($data->reset_wiki_comments)) {
$status[] = array('component' => $componentstr, 'item' => get_string('deleteallcomments'), 'error' => false);
}
}
}
return $status;
}
/**
* Test page_deleted and page_version_deleted and page_locks_deleted event.
*/
public function test_page_deleted()
{
global $DB;
$this->setUp();
$page = $this->wikigenerator->create_first_page($this->wiki);
$context = context_module::instance($this->wiki->cmid);
$oldversions = $DB->get_records('wiki_versions', array('pageid' => $page->id));
$oldversion = array_shift($oldversions);
// Triggering and capturing the event.
$sink = $this->redirectEvents();
wiki_delete_pages($context, array($page->id));
$events = $sink->get_events();
$this->assertCount(4, $events);
$event = array_shift($events);
// Checking that the event contains the page_version_deleted event.
$this->assertInstanceOf('\\mod_wiki\\event\\page_version_deleted', $event);
$this->assertEquals($context, $event->get_context());
$this->assertEquals($page->id, $event->other['pageid']);
$this->assertEquals($oldversion->id, $event->objectid);
$expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
$this->assertEventLegacyLogData($expected, $event);
// Checking that the event contains the page_deleted event.
$event = array_pop($events);
$this->assertInstanceOf('\\mod_wiki\\event\\page_deleted', $event);
$this->assertEquals($context, $event->get_context());
$this->assertEquals($page->id, $event->objectid);
$expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
$this->assertEventLegacyLogData($expected, $event);
// Checking that the event contains the expected values.
$event = array_pop($events);
$this->assertInstanceOf('\\mod_wiki\\event\\page_locks_deleted', $event);
$this->assertEquals($context, $event->get_context());
$this->assertEquals($page->id, $event->objectid);
$expected = array($this->course->id, 'wiki', 'overridelocks', 'view.php?pageid=' . $page->id, $page->id, $this->wiki->cmid);
$this->assertEventLegacyLogData($expected, $event);
// Delete all pages.
$page1 = $this->wikigenerator->create_first_page($this->wiki);
$page2 = $this->wikigenerator->create_content($this->wiki);
$page3 = $this->wikigenerator->create_content($this->wiki, array('title' => 'Custom title'));
// Triggering and capturing the event.
$sink = $this->redirectEvents();
wiki_delete_pages($context, array($page1->id, $page2->id));
$events = $sink->get_events();
$this->assertCount(8, $events);
$event = array_pop($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_wiki\\event\\page_deleted', $event);
$this->assertEquals($context, $event->get_context());
$this->assertEquals($page2->id, $event->objectid);
$expected = array($this->course->id, 'wiki', 'admin', 'admin.php?pageid=' . $page2->id, $page2->id, $this->wiki->cmid);
$this->assertEventLegacyLogData($expected, $event);
$this->assertEventContextNotUsed($event);
}
