}
if (!($forum = $DB->get_record("hsuforum", array("id" => $discussion->forum)))) {
print_error('invalidforumid', 'hsuforum');
}
if (!($cm = get_coursemodule_from_instance("hsuforum", $forum->id, $forum->course))) {
print_error('invalidcoursemodule');
}
if (!($course = $DB->get_record('course', array('id' => $forum->course)))) {
print_error('invalidcourseid');
}
require_login($course, false, $cm);
$modcontext = context_module::instance($cm->id);
if (!($post->userid == $USER->id && has_capability('mod/hsuforum:deleteownpost', $modcontext) || has_capability('mod/hsuforum:deleteanypost', $modcontext))) {
print_error('cannotdeletepost', 'hsuforum');
}
$replycount = hsuforum_count_replies($post);
if (!empty($confirm) && confirm_sesskey()) {
// User has confirmed the delete
redirect(hsuforum_verify_and_delete_post($course, $cm, $forum, $modcontext, $discussion, $post));
} else {
// User just asked to delete something
hsuforum_set_return();
$PAGE->navbar->add(get_string('delete', 'hsuforum'));
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
if ($replycount) {
if (!has_capability('mod/hsuforum:deleteanypost', $modcontext)) {
print_error("couldnotdeletereplies", "hsuforum", hsuforum_go_back_to("discuss.php?d={$post->discussion}"));
}
/**
* @global object
* @param object $post
* @param bool $children
* @return int
*/
function hsuforum_count_replies($post, $children = true)
{
global $DB, $USER;
$count = 0;
$select = 'parent = ? AND (privatereply = 0 OR privatereply = ? OR userid = ?)';
$params = array($post->id, $USER->id, $USER->id);
if ($children) {
if ($childposts = $DB->get_records_select('hsuforum_posts', $select, $params)) {
foreach ($childposts as $childpost) {
$count++;
// For this child
$count += hsuforum_count_replies($childpost, true);
}
}
} else {
$count += $DB->count_records_select('hsuforum_posts', $select, $params);
}
return $count;
}
