/**
* This function return the XML rss contents about the forum
* It returns false if something is wrong
*
* @param stdClass $forum the forum object
* @param string $sql the SQL used to retrieve the contents from the database
* @param array $params the SQL parameters used
* @param object $context the context this forum relates to
* @return bool|string false if the contents is empty, otherwise the contents of the feed is returned
*
* @Todo MDL-31129 implement post attachment handling
*/
function hsuforum_rss_feed_contents($forum, $sql, $params, $context)
{
global $CFG, $DB, $USER;
$status = true;
$recs = $DB->get_recordset_sql($sql, $params, 0, $forum->rssarticles);
//set a flag. Are we displaying discussions or posts?
$isdiscussion = true;
if (!empty($forum->rsstype) && $forum->rsstype != 1) {
$isdiscussion = false;
}
if (!($cm = get_coursemodule_from_instance('hsuforum', $forum->id, $forum->course))) {
print_error('invalidcoursemodule');
}
$formatoptions = new stdClass();
$items = array();
foreach ($recs as $rec) {
$item = new stdClass();
$discussion = new stdClass();
$discussion->id = $rec->discussionid;
$discussion->groupid = $rec->groupid;
$discussion->timestart = $rec->timestart;
$discussion->timeend = $rec->timeend;
$post = null;
if (!$isdiscussion) {
$post = new stdClass();
$post->id = $rec->postid;
$post->parent = $rec->postparent;
$post->userid = $rec->userid;
$post->privatereply = $rec->postprivatereply;
}
if ($isdiscussion && !hsuforum_user_can_see_discussion($forum, $discussion, $context)) {
// This is a discussion which the user has no permission to view
$item->title = get_string('forumsubjecthidden', 'hsuforum');
$message = get_string('forumbodyhidden', 'hsuforum');
$item->author = get_string('forumauthorhidden', 'hsuforum');
} else {
if (!$isdiscussion && !hsuforum_user_can_see_post($forum, $discussion, $post, $USER, $cm)) {
// This is a post which the user has no permission to view
$item->title = get_string('forumsubjecthidden', 'hsuforum');
$message = get_string('forumbodyhidden', 'hsuforum');
$item->author = get_string('forumauthorhidden', 'hsuforum');
} else {
// The user must have permission to view
if ($isdiscussion && !empty($rec->discussionname)) {
$item->title = format_string($rec->discussionname);
} else {
if (!empty($rec->postsubject)) {
$item->title = format_string($rec->postsubject);
} else {
//we should have an item title by now but if we dont somehow then substitute something somewhat meaningful
$item->title = format_string($forum->name . ' ' . userdate($rec->postcreated, get_string('strftimedatetimeshort', 'langconfig')));
}
}
$user = hsuforum_anonymize_user($rec, $forum, (object) array('id' => $rec->postid, 'reveal' => $rec->postreveal));
$item->author = fullname($user);
$message = file_rewrite_pluginfile_urls($rec->postmessage, 'pluginfile.php', $context->id, 'mod_hsuforum', 'post', $rec->postid);
$formatoptions->trusted = $rec->posttrust;
}
}
if ($isdiscussion) {
$item->link = $CFG->wwwroot . "/mod/hsuforum/discuss.php?d=" . $rec->discussionid;
} else {
$item->link = $CFG->wwwroot . "/mod/hsuforum/discuss.php?d=" . $rec->discussionid . "&parent=" . $rec->postid;
}
$formatoptions->trusted = $rec->posttrust;
$item->description = format_text($message, $rec->postformat, $formatoptions, $forum->course);
//TODO: MDL-31129 implement post attachment handling
/*if (!$isdiscussion) {
$post_file_area_name = str_replace('//', '/', "$forum->course/$CFG->moddata/hsuforum/$forum->id/$rec->postid");
$post_files = get_directory_list("$CFG->dataroot/$post_file_area_name");
if (!empty($post_files)) {
$item->attachments = array();
}
}*/
$item->pubdate = $rec->postcreated;
$items[] = $item;
}
$recs->close();
// Create the RSS header.
$header = rss_standard_header(strip_tags(format_string($forum->name, true)), $CFG->wwwroot . "/mod/hsuforum/view.php?f=" . $forum->id, format_string($forum->intro, true));
// TODO: fix format
// Now all the RSS items, if there are any.
$articles = '';
if (!empty($items)) {
$articles = rss_add_items($items);
}
// Create the RSS footer.
$footer = rss_standard_footer();
return $header . $articles . $footer;
}
// If there is a warning message and we are not editing a post we need to handle the warning.
if (!empty($thresholdwarning) && !$edit) {
// Here we want to throw an exception if they are no longer allowed to post.
hsuforum_check_blocking_threshold($thresholdwarning);
}
if (!empty($parent)) {
if (!($discussion = $DB->get_record('hsuforum_discussions', array('id' => $parent->discussion)))) {
print_error('notpartofdiscussion', 'hsuforum');
}
echo $renderer->svg_sprite();
// We don't have the valid unread status. Set to read so we don't see
// the unread tag.
$parent->postread = true;
echo $renderer->post($cm, $discussion, $parent);
if (empty($post->edit)) {
if ($forum->type != 'qanda' || hsuforum_user_can_see_discussion($forum, $discussion, $modcontext)) {
$posts = hsuforum_get_all_discussion_posts($discussion->id);
}
}
} else {
if (!empty($forum->intro)) {
echo $OUTPUT->box(format_module_intro('hsuforum', $forum, $cm->id), 'generalbox', 'intro');
if (!empty($CFG->enableplagiarism)) {
require_once $CFG->libdir . '/plagiarismlib.php';
echo plagiarism_print_disclosure($cm->id);
}
}
}
if (!empty($formheading)) {
echo $OUTPUT->heading($formheading, 4);
}
/**
* Returns a list of forum discussions as well as a summary of the discussion
* in a provided list of forums.
*
* @param array $forumids the forum ids
* @param int $limitfrom limit from SQL data
* @param int $limitnum limit number SQL data
*
* @return array the forum discussion details
* @since Moodle 2.5
*/
public static function get_forum_discussions($forumids, $limitfrom = 0, $limitnum = 0)
{
global $CFG, $DB;
require_once $CFG->dirroot . "/mod/hsuforum/lib.php";
// Validate the parameter.
$params = self::validate_parameters(self::get_forum_discussions_parameters(), array('forumids' => $forumids, 'limitfrom' => $limitfrom, 'limitnum' => $limitnum));
$forumids = $params['forumids'];
$limitfrom = $params['limitfrom'];
$limitnum = $params['limitnum'];
// Array to store the forum discussions to return.
$arrdiscussions = array();
// Keep track of the users we have looked up in the DB.
$arrusers = array();
// Loop through them.
foreach ($forumids as $id) {
// Get the forum object.
$forum = $DB->get_record('hsuforum', array('id' => $id), '*', MUST_EXIST);
$course = get_course($forum->course);
$modinfo = get_fast_modinfo($course);
$forums = $modinfo->get_instances_of('hsuforum');
$cm = $forums[$forum->id];
// Get the module context.
$modcontext = context_module::instance($cm->id);
// Validate the context.
self::validate_context($modcontext);
require_capability('mod/hsuforum:viewdiscussion', $modcontext);
$order = 'timemodified DESC';
if ($discussions = hsuforum_get_discussions($cm, $order, true, [$limitfrom, $limitnum])) {
// Check if they can view full names.
$canviewfullname = has_capability('moodle/site:viewfullnames', $modcontext);
foreach ($discussions as $discussion) {
// This function checks capabilities, timed discussions, groups and qanda forums posting.
if (!hsuforum_user_can_see_discussion($forum, $discussion, $modcontext)) {
continue;
}
$usernamefields = user_picture::fields();
// If we don't have the users details then perform DB call.
if (empty($arrusers[$discussion->userid])) {
$arrusers[$discussion->userid] = $DB->get_record('user', array('id' => $discussion->userid), $usernamefields, MUST_EXIST);
}
// Create object to return.
$return = new stdClass();
$return->id = (int) $discussion->discussion;
$return->course = $cm->course;
$return->forum = $forum->id;
$return->name = $discussion->name;
$return->userid = $discussion->userid;
$return->groupid = $discussion->groupid;
$return->assessed = $discussion->assessed;
$return->timemodified = (int) $discussion->timemodified;
$return->usermodified = $discussion->usermodified;
$return->timestart = $discussion->timestart;
$return->timeend = $discussion->timeend;
$return->firstpost = (int) $discussion->id;
$return->firstuserfullname = fullname($arrusers[$discussion->userid], $canviewfullname);
$return->firstuserimagealt = $arrusers[$discussion->userid]->imagealt;
$return->firstuserpicture = $arrusers[$discussion->userid]->picture;
$return->firstuseremail = $arrusers[$discussion->userid]->email;
$return->subject = $discussion->subject;
$return->numunread = '';
$return->numunread = (int) $discussion->unread;
// Check if there are any replies to this discussion.
if (!is_null($discussion->replies)) {
$return->numreplies = (int) $discussion->replies;
$return->lastpost = (int) $discussion->lastpostid;
} else {
// No replies, so the last post will be the first post.
$return->numreplies = 0;
$return->lastpost = (int) $discussion->firstpost;
}
// Get the last post as well as the user who made it.
$lastpost = $DB->get_record('hsuforum_posts', array('id' => $return->lastpost), '*', MUST_EXIST);
if (empty($arrusers[$lastpost->userid])) {
$arrusers[$lastpost->userid] = $DB->get_record('user', array('id' => $lastpost->userid), $usernamefields, MUST_EXIST);
}
$return->lastuserid = $lastpost->userid;
$return->lastuserfullname = fullname($arrusers[$lastpost->userid], $canviewfullname);
$return->lastuserimagealt = $arrusers[$lastpost->userid]->imagealt;
$return->lastuserpicture = $arrusers[$lastpost->userid]->picture;
$return->lastuseremail = $arrusers[$lastpost->userid]->email;
// Add the discussion statistics to the array to return.
$arrdiscussions[$return->id] = (array) $return;
}
$discussions->close();
}
}
return $arrdiscussions;
}
