$timepassed = time() - $post->created;
if ($timepassed > $CFG->maxeditingtime && !has_capability('mod/twf:deleteanypost', $modcontext)) {
print_error("cannotdeletepost", "twf", twf_go_back_to("discuss.php?d={$post->discussion}"));
}
if ($post->totalscore) {
notice(get_string('couldnotdeleteratings', 'rating'), twf_go_back_to("discuss.php?d={$post->discussion}"));
} else {
if ($replycount && !has_capability('mod/twf:deleteanypost', $modcontext)) {
print_error("couldnotdeletereplies", "twf", twf_go_back_to("discuss.php?d={$post->discussion}"));
} else {
if (!$post->parent) {
// post is a discussion topic as well, so delete discussion
if ($twf->type == 'single') {
notice("Sorry, but you are not allowed to delete that discussion!", twf_go_back_to("discuss.php?d={$post->discussion}"));
}
twf_delete_discussion($discussion, false, $course, $cm, $twf);
$params = array('objectid' => $discussion->id, 'context' => $modcontext, 'other' => array('twfid' => $twf->id));
$event = \mod_twf\event\discussion_deleted::create($params);
$event->add_record_snapshot('twf_discussions', $discussion);
$event->trigger();
redirect("view.php?f={$discussion->twf}");
} else {
if (twf_delete_post($post, has_capability('mod/twf:deleteanypost', $modcontext), $course, $cm, $twf)) {
if ($twf->type == 'single') {
// Single discussion twfs are an exception. We show
// the twf itself since it only has one discussion
// thread.
$discussionurl = "view.php?f={$twf->id}";
} else {
$discussionurl = "discuss.php?d={$post->discussion}";
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @global object
* @param int $id twf instance id
* @return bool success
*/
function twf_delete_instance($id)
{
global $DB;
if (!($twf = $DB->get_record('twf', array('id' => $id)))) {
return false;
}
if (!($cm = get_coursemodule_from_instance('twf', $twf->id))) {
return false;
}
if (!($course = $DB->get_record('course', array('id' => $cm->course)))) {
return false;
}
$context = context_module::instance($cm->id);
// now get rid of all files
$fs = get_file_storage();
$fs->delete_area_files($context->id);
$result = true;
// Delete digest and subscription preferences.
$DB->delete_records('twf_digests', array('twf' => $twf->id));
$DB->delete_records('twf_subscriptions', array('twf' => $twf->id));
$DB->delete_records('twf_discussion_subs', array('twf' => $twf->id));
if ($discussions = $DB->get_records('twf_discussions', array('twf' => $twf->id))) {
foreach ($discussions as $discussion) {
if (!twf_delete_discussion($discussion, true, $course, $cm, $twf)) {
$result = false;
}
}
}
twf_tp_delete_read_records(-1, -1, -1, $twf->id);
if (!$DB->delete_records('twf', array('id' => $twf->id))) {
$result = false;
}
twf_grade_item_delete($twf);
return $result;
}