/**
* get the count of viewable entries, easiest way is to count fetch_entries
* this is used for print_paging_bar
* this is not ideal, but because of the UNION in the sql in fetch_entries,
* it is hard to use count_records_sql
*/
function get_viewable_entry_count($postid = '', $fetchlimit = 10, $fetchstart = '', $filtertype = '', $filterselect = '', $tagid = '', $tag = '', $sort = 'lastmodified DESC')
{
$blogEntries = fetch_entries($postid, $fetchlimit, $fetchstart, $filtertype, $filterselect, $tagid, $tag, $sort = 'lastmodified DESC', false);
return count($blogEntries);
}
function blog_generate_rss_feed($type, $id, $tagid = 0)
{
global $CFG, $SITE;
if (empty($CFG->enablerssfeeds)) {
debugging('Sorry, RSS feeds are disabled on this site');
return '';
}
$filename = blog_rss_file_name($type, $id, $tagid);
if (file_exists($filename)) {
if (filemtime($filename) + 3600 > time()) {
return $filename;
/// It's already done so we return cached version
}
}
/// Get all the posts from the database
$blogposts = fetch_entries('', 20, '', $type, $id, $tagid);
/// Now generate an array of RSS items
if ($blogposts) {
$items = array();
foreach ($blogposts as $blogpost) {
$item = NULL;
$item->author = fullname(get_record('user', 'id', $blogpost->userid));
$item->title = $blogpost->subject;
$item->pubdate = $blogpost->lastmodified;
$item->link = $CFG->wwwroot . '/blog/index.php?postid=' . $blogpost->id;
$item->description = format_text($blogpost->summary, $blogpost->format);
$items[] = $item;
}
$articles = rss_add_items($items);
/// Change structure to XML
} else {
$articles = '';
}
/// Get header and footer information
switch ($type) {
case 'user':
$info = fullname(get_record('user', 'id', $id, '', '', '', '', 'firstname,lastname'));
break;
case 'course':
$info = get_field('course', 'fullname', 'id', $id);
break;
case 'site':
$info = $SITE->fullname;
break;
case 'group':
$group = groups_get_group($id, false);
$info = $group->name;
//TODO: get_field('groups', 'name', 'id', $id)
break;
default:
$info = '';
break;
}
if ($tagid) {
$info .= ': ' . get_field('tags', 'text', 'id', $tagid);
}
$header = rss_standard_header(get_string($type . 'blog', 'blog', $info), $CFG->wwwroot . '/blog/index.php', get_string('intro', 'blog'));
$footer = rss_standard_footer();
/// Save the XML contents to file.
$rssdata = $header . $articles . $footer;
if (blog_rss_save_file($type, $id, $tagid, $rssdata)) {
return $filename;
} else {
return false;
// Couldn't find it or make it
}
}
