/**
* Displays a discussion (main part of discussion page) with given options.
* @param mod_forumng_discussion $discussion
* @param object $options
* @return string HTML content of discussion
*/
public function render_discussion($discussion, $options)
{
// Get main bit of discussion
$content = $discussion->get_root_post()->display_with_children($options);
// Get lock post, if any
$lockpost = $discussion->get_lock_post();
if ($lockpost) {
$content = '<div class="forumng-lockmessage">' . $lockpost->display(true, array(mod_forumng_post::OPTION_NO_COMMANDS => true)) . '</div>' . $content;
}
return $content;
}
/**
* Displays a discussion (main part of discussion page) with given options.
* @param mod_forumng_discussion $discussion
* @param object $options
* @return string HTML content of discussion
*/
public function render_discussion($discussion, $options)
{
if ($discussion->is_auto_locked()) {
$options[mod_forumng_post::OPTION_INCLUDE_LOCK] = true;
}
// Get main bit of discussion.
$content = $discussion->get_root_post()->display_with_children($options);
if ($discussion->is_auto_locked()) {
$content = $this->render_lock_message() . $content;
} else {
// Get lock post, if any.
$lockpost = $discussion->get_lock_post();
if ($lockpost) {
$content = '<div class="forumng-lockmessage">' . $lockpost->display(true, array(mod_forumng_post::OPTION_NO_COMMANDS => true)) . '</div>' . $content;
}
}
return $content;
}
/**
* Merges the contents of this discussion into another discussion.
* @param mod_forumng_discussion $targetdiscussion Target discussion
* @param int $userid User ID (0 = current)
* @param bool $log True to log this action
*/
public function merge_into($targetdiscussion, $userid = 0, $log = true)
{
global $DB;
$transaction = $DB->start_delegated_transaction();
// Delete search data for the source discussion
$this->ismakingsearchchange = true;
$root = $this->get_root_post();
$root->search_update();
$root->search_update_children();
$this->ismakingsearchchange = false;
// Update parent post id of root post
$record = new stdClass();
$record->id = $this->discussionfields->postid;
$record->parentpostid = $targetdiscussion->discussionfields->postid;
$DB->update_record('forumng_posts', $record);
// Move all posts into new discussion
$DB->execute("UPDATE {forumng_posts} SET discussionid = ? WHERE discussionid = ?", array($targetdiscussion->get_id(), $this->get_id()));
// Delete this discussion
$DB->delete_records('forumng_discussions', array('id' => $this->discussionfields->id));
// Attachments are OK because they are still in the same context, postid
// etc (note this would NOT be the case if we allowed merging between
// forums).
if ($this->get_forum()->get_id() != $targetdiscussion->get_forum()->get_id()) {
throw new coding_exception('Cannot merge into different forum');
}
// Merging the discussion into another might cause completion changes
// (if there was a requirement for discussions and this is no longer
// a discussion in its own right).
$this->update_completion(false);
// Update the search data for the target discussion after the merge
$newroot = $targetdiscussion->get_root_post();
$newroot->search_update();
$newroot->search_update_children();
if ($log) {
$this->log('merge discussion', 'd' . $this->get_id() . ' into d' . $targetdiscussion->get_id());
}
$transaction->allow_commit();
$this->uncache();
$targetdiscussion->uncache();
}
