}
if (!($forum = $DB->get_record("forum", array("id" => $discussion->forum)))) {
print_error('invalidforumid', 'forum');
}
if (!($cm = get_coursemodule_from_instance("forum", $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 = get_context_instance(CONTEXT_MODULE, $cm->id);
if (!($post->userid == $USER->id && has_capability('mod/forum:deleteownpost', $modcontext) || has_capability('mod/forum:deleteanypost', $modcontext))) {
print_error('cannotdeletepost', 'forum');
}
$replycount = forum_count_replies($post);
if (!empty($confirm) && confirm_sesskey()) {
// User has confirmed the delete
//check user capability to delete post.
$timepassed = time() - $post->created;
if ($timepassed > $CFG->maxeditingtime && !has_capability('mod/forum:deleteanypost', $modcontext)) {
print_error("cannotdeletepost", "forum", forum_go_back_to("discuss.php?d={$post->discussion}"));
}
if ($post->totalscore) {
notice(get_string('couldnotdeleteratings', 'rating'), forum_go_back_to("discuss.php?d={$post->discussion}"));
} else {
if ($replycount && !has_capability('mod/forum:deleteanypost', $modcontext)) {
print_error("couldnotdeletereplies", "forum", forum_go_back_to("discuss.php?d={$post->discussion}"));
} else {
if (!$post->parent) {
// post is a discussion topic as well, so delete discussion
/**
* @global object
* @param object $post
* @param bool $children
* @return int
*/
function forum_count_replies($post, $children=true) {
global $DB;
$count = 0;
if ($children) {
if ($childposts = $DB->get_records('forum_posts', array('parent' => $post->id))) {
foreach ($childposts as $childpost) {
$count ++; // For this child
$count += forum_count_replies($childpost, true);
}
}
} else {
$count += $DB->count_records('forum_posts', array('parent' => $post->id));
}
return $count;
}
/**
*
*/
function forum_count_replies($post, $children = true)
{
$count = 0;
if ($children) {
if ($childposts = get_records('forum_posts', 'parent', $post->id)) {
foreach ($childposts as $childpost) {
$count++;
// For this child
$count += forum_count_replies($childpost, true);
}
}
} else {
$count += count_records('forum_posts', 'parent', $post->id);
}
return $count;
}
