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9aa9080756
Autolinking of glossaries, activity, resources and wiki names were using a trivial single-entry cache implemented with static vars. The cache was _not_ keyed on course. This bug was visible during forum_cron() which walks many courses. The cache would get "stuck" on the first course that had something to put in the cache. All mailouts from there onwards would autolink to stuff in the wrong course.
74 lines
2.8 KiB
PHP
Executable file
74 lines
2.8 KiB
PHP
Executable file
<?PHP // $Id$
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//This function provides automatic linking to
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//wiki pages when its page title is found inside every Moodle text
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//It's based in the glosssary filter by Williams Castillo
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//Modifications by mchurch. Enjoy! :-)
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require_once($CFG->dirroot.'/mod/wiki/lib.php');
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function wiki_filter($courseid, $text) {
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global $CFG;
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// Trivial-cache - keyed on $cachedcourseid
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static $nothingtodo;
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static $wikipagelist;
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static $cachedcourseid;
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if (empty($courseid)) {
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$courseid = SITEID;
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}
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// Initialise/invalidate our trivial cache if dealing with a different course
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if (!isset($cachedcourseid) || $cachedcourseid !== (int)$courseid) {
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$wikipagelist = array();
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$nothingtodo = false;
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}
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$cachedcourseid = (int)$courseid;
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if (!empty($nothingtodo)) { // We've been here in this page already
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return $text;
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}
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/// Create a list of all the wikis to search for. It may be cached already.
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if (empty($wikipagelist)) {
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/// Get all wikis for this course.
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if (!$wikis = wiki_get_course_wikis($courseid)) {
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$nothingtodo = true;
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return $text;
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}
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$wikipagelist = array();
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/// Walk through each wiki, and get entries.
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foreach ($wikis as $wiki) {
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if ($wiki_entries = wiki_get_entries($wiki)) {
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/// Walk through each entry and get the pages.
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foreach ($wiki_entries as $wiki_entry) {
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if ($wiki_pages = get_records('wiki_pages', 'wiki', $wiki_entry->id, 'pagename, version DESC')) {
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/// Walk through each page and filter.
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$wikientries = array();
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foreach ($wiki_pages as $wiki_page) {
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if (!in_array($wiki_page->pagename, $wikientries)) {
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$startlink = '<a class="wiki autolink" title="Wiki" href="'
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.$CFG->wwwroot.'/mod/wiki/view.php?wid='.$wiki->id
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.'&userid='.$wiki_entry->userid
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.'&groupid='.$wiki_entry->groupid
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.'&page='.$wiki_page->pagename.'">';
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$wikipagelist[] = new filterobject($wiki_page->pagename, $startlink, '</a>', false, true);
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$wikientries[] = $wiki_page->pagename;
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}
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}
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}
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}
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}
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}
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}
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return filter_phrases($text, $wikipagelist);
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}
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?>
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