function glossary_rss_feeds()
{
global $CFG;
$status = true;
//Check CFG->enablerssfeeds
if (empty($CFG->enablerssfeeds)) {
debugging("DISABLED (admin variables)");
//Check CFG->glossary_enablerssfeeds
} else {
if (empty($CFG->glossary_enablerssfeeds)) {
debugging("DISABLED (module configuration)");
//It's working so we start...
} else {
//Iterate over all glossaries
if ($glossaries = get_records("glossary")) {
foreach ($glossaries as $glossary) {
if (!empty($glossary->rsstype) && !empty($glossary->rssarticles) && $status) {
$filename = rss_file_name('glossary', $glossary);
// RSS file
//First let's make sure there is work to do by checking existing files
if (file_exists($filename)) {
if ($lastmodified = filemtime($filename)) {
if (!glossary_rss_newstuff($glossary, $lastmodified)) {
continue;
}
}
}
//Ignore hidden forums
if (!instance_is_visible('glossary', $glossary)) {
if (file_exists($filename)) {
@unlink($filename);
}
continue;
}
mtrace("Updating RSS feed for " . format_string($glossary->name, true) . ", ID: {$glossary->id}");
//Get the XML contents
$result = glossary_rss_feed($glossary);
//Save the XML contents to file
if (!empty($result)) {
$status = rss_save_file("glossary", $glossary, $result);
}
//Some debug...
if (debugging()) {
if (empty($result)) {
echo "ID: {$glossary->id}-> (empty) ";
} else {
if (!empty($status)) {
echo "ID: {$glossary->id}-> OK ";
} else {
echo "ID: {$glossary->id}-> FAIL ";
}
}
}
}
}
}
}
}
return $status;
}
function glossary_rss_get_feed($context, $args)
{
global $CFG, $DB;
$status = true;
if (empty($CFG->glossary_enablerssfeeds)) {
debugging("DISABLED (module configuration)");
return null;
}
$glossaryid = clean_param($args[3], PARAM_INT);
$cm = get_coursemodule_from_instance('glossary', $glossaryid, 0, false, MUST_EXIST);
if ($cm) {
$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
//context id from db should match the submitted one
//no specific capability required to view glossary entries so just check user is enrolled
if ($context->id != $modcontext->id || !is_enrolled($context)) {
return null;
}
}
$glossary = $DB->get_record('glossary', array('id' => $glossaryid), '*', MUST_EXIST);
if (!rss_enabled_for_mod('glossary', $glossary)) {
return null;
}
$sql = glossary_rss_get_sql($glossary);
//get the cache file info
$filename = rss_get_file_name($glossary, $sql);
$cachedfilepath = rss_get_file_full_name('mod_glossary', $filename);
//Is the cache out of date?
$cachedfilelastmodified = 0;
if (file_exists($cachedfilepath)) {
$cachedfilelastmodified = filemtime($cachedfilepath);
}
//if the cache is more than 60 seconds old and there's new stuff
$dontrecheckcutoff = time() - 60;
if ($dontrecheckcutoff > $cachedfilelastmodified && glossary_rss_newstuff($glossary, $cachedfilelastmodified)) {
if (!($recs = $DB->get_records_sql($sql, array(), 0, $glossary->rssarticles))) {
return null;
}
$items = array();
$formatoptions = new stdClass();
$formatoptions->trusttext = true;
foreach ($recs as $rec) {
$item = new stdClass();
$user = new stdClass();
$item->title = $rec->entryconcept;
if ($glossary->rsstype == 1) {
//With author
$user->firstname = $rec->userfirstname;
$user->lastname = $rec->userlastname;
$item->author = fullname($user);
}
$item->pubdate = $rec->entrytimecreated;
$item->link = $CFG->wwwroot . "/mod/glossary/showentry.php?courseid=" . $glossary->course . "&eid=" . $rec->entryid;
$item->description = format_text($rec->entrydefinition, $rec->entryformat, $formatoptions, $glossary->course);
$items[] = $item;
}
//First all rss feeds common headers
$header = rss_standard_header(format_string($glossary->name, true), $CFG->wwwroot . "/mod/glossary/view.php?g=" . $glossary->id, format_string($glossary->intro, true));
//Now all the rss items
if (!empty($header)) {
$articles = rss_add_items($items);
}
//Now all rss feeds common footers
if (!empty($header) && !empty($articles)) {
$footer = rss_standard_footer();
}
//Now, if everything is ok, concatenate it
if (!empty($header) && !empty($articles) && !empty($footer)) {
$rss = $header . $articles . $footer;
//Save the XML contents to file.
$status = rss_save_file('mod_glossary', $filename, $rss);
}
}
if (!$status) {
$cachedfilepath = null;
}
return $cachedfilepath;
}
