PHP forum_rss_delete_file函数代码示例

    require_capability('mod/forum:startdiscussion', $destinationctx);
    if (!forum_move_attachments($discussion, $forum->id, $forumto->id)) {
        echo $OUTPUT->notification("Errors occurred while moving attachment directories - check your file permissions");
    }
    $DB->set_field('forum_discussions', 'forum', $forumto->id, array('id' => $discussion->id));
    $DB->set_field('forum_read', 'forumid', $forumto->id, array('discussionid' => $discussion->id));
    $params = array('context' => $destinationctx, 'objectid' => $discussion->id, 'other' => array('fromforumid' => $forum->id, 'toforumid' => $forumto->id));
    $event = \mod_forum\event\discussion_moved::create($params);
    $event->add_record_snapshot('forum_discussions', $discussion);
    $event->add_record_snapshot('forum', $forum);
    $event->add_record_snapshot('forum', $forumto);
    $event->trigger();
    // Delete the RSS files for the 2 forums to force regeneration of the feeds
    require_once $CFG->dirroot . '/mod/forum/rsslib.php';
    forum_rss_delete_file($forum);
    forum_rss_delete_file($forumto);
    redirect($return . '&moved=-1&sesskey=' . sesskey());
}
$params = array('context' => $modcontext, 'objectid' => $discussion->id);
$event = \mod_forum\event\discussion_viewed::create($params);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->add_record_snapshot('forum', $forum);
$event->trigger();
unset($SESSION->fromdiscussion);
if ($mode) {
    set_user_preference('forum_displaymode', $mode);
}
$displaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
if ($parent) {
    // If flat AND parent, then force nested display this time
    if ($displaymode == FORUM_MODE_FLATOLDEST or $displaymode == FORUM_MODE_FLATNEWEST) {

            notify("Errors occurred while moving attachment directories - check your file permissions");
        }
        set_field("forum_discussions", "forum", $forum->id, "id", $discussion->id);
        $discussion->forum = $forum->id;
        if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
            add_to_log($course->id, "forum", "move discussion", "discuss.php?d={$discussion->id}", "{$discussion->id}", $cm->id);
        } else {
            add_to_log($course->id, "forum", "move discussion", "discuss.php?d={$discussion->id}", "{$discussion->id}");
        }
        $discussionmoved = true;
        require_once 'rsslib.php';
        require_once $CFG->libdir . '/rsslib.php';
        // Delete the RSS files for the 2 forums because we want to force
        // the regeneration of the feeds since the discussions have been
        // moved.
        if (!forum_rss_delete_file($forum) || !forum_rss_delete_file($sourceforum)) {
            notify('Could not purge the cached RSS feeds for the source and/or' . 'destination forum(s) - check your file permissionsforums');
        }
    } else {
        error('You can\'t move to that forum - it doesn\'t exist!');
    }
}
$logparameters = "d={$discussion->id}";
if ($parent) {
    $logparameters .= "&parent={$parent}";
}
if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
    add_to_log($course->id, "forum", "view discussion", "discuss.php?{$logparameters}", "{$discussion->id}", $cm->id);
} else {
    add_to_log($course->id, "forum", "view discussion", "discuss.php?{$logparameters}", "{$discussion->id}");
}

/**
 * Deletes a single forum post.
 *
 * @global object
 * @param object $post Forum post object
 * @param mixed $children Whether to delete children. If false, returns false
 *   if there are any children (without deleting the post). If true,
 *   recursively deletes all children. If set to special value 'ignore', deletes
 *   post regardless of children (this is for use only when deleting all posts
 *   in a disussion).
 * @param object $course Course
 * @param object $cm Course-module
 * @param object $forum Forum
 * @param bool $skipcompletion True to skip updating completion state if it
 *   would otherwise be updated, i.e. when deleting entire forum anyway.
 * @return bool
 */
function forum_delete_post($post, $children, $course, $cm, $forum, $skipcompletion = false)
{
    global $DB, $CFG;
    require_once $CFG->libdir . '/completionlib.php';
    $context = context_module::instance($cm->id);
    if ($children !== 'ignore' && ($childposts = $DB->get_records('forum_posts', array('parent' => $post->id)))) {
        if ($children) {
            foreach ($childposts as $childpost) {
                forum_delete_post($childpost, true, $course, $cm, $forum, $skipcompletion);
            }
        } else {
            return false;
        }
    }
    // Delete ratings.
    require_once $CFG->dirroot . '/rating/lib.php';
    $delopt = new stdClass();
    $delopt->contextid = $context->id;
    $delopt->component = 'mod_forum';
    $delopt->ratingarea = 'post';
    $delopt->itemid = $post->id;
    $rm = new rating_manager();
    $rm->delete_ratings($delopt);
    // Delete attachments.
    $fs = get_file_storage();
    $fs->delete_area_files($context->id, 'mod_forum', 'attachment', $post->id);
    $fs->delete_area_files($context->id, 'mod_forum', 'post', $post->id);
    // Delete cached RSS feeds.
    if (!empty($CFG->enablerssfeeds)) {
        require_once $CFG->dirroot . '/mod/forum/rsslib.php';
        forum_rss_delete_file($forum);
    }
    if ($DB->delete_records("forum_posts", array("id" => $post->id))) {
        forum_tp_delete_read_records(-1, $post->id);
        // Just in case we are deleting the last post
        forum_discussion_update_last_post($post->discussion);
        // Update completion state if we are tracking completion based on number of posts
        // But don't bother when deleting whole thing
        if (!$skipcompletion) {
            $completion = new completion_info($course);
            if ($completion->is_enabled($cm) == COMPLETION_TRACKING_AUTOMATIC && ($forum->completiondiscussions || $forum->completionreplies || $forum->completionposts)) {
                $completion->update_state($cm, COMPLETION_INCOMPLETE, $post->userid);
            }
        }
        return true;
    }
    return false;
}

    if (!coursemodule_visible_for_user($cmto)) {
        print_error('cannotmovenotvisible', 'forum', $return);
    }
    require_capability('mod/forum:startdiscussion', get_context_instance(CONTEXT_MODULE, $cmto->id));
    if (!forum_move_attachments($discussion, $forum->id, $forumto->id)) {
        echo $OUTPUT->notification("Errors occurred while moving attachment directories - check your file permissions");
    }
    $DB->set_field('forum_discussions', 'forum', $forumto->id, array('id' => $discussion->id));
    $DB->set_field('forum_read', 'forumid', $forumto->id, array('discussionid' => $discussion->id));
    add_to_log($course->id, 'forum', 'move discussion', "discuss.php?d={$discussion->id}", $discussion->id, $cmto->id);
    require_once $CFG->libdir . '/rsslib.php';
    require_once 'rsslib.php';
    // Delete the RSS files for the 2 forums because we want to force
    // the regeneration of the feeds since the discussions have been
    // moved.
    if (!forum_rss_delete_file($forum) || !forum_rss_delete_file($forumto)) {
        print_error('cannotpurgecachedrss', 'forum', $return);
    }
    redirect($return . '&moved=-1&sesskey=' . sesskey());
}
$logparameters = "d={$discussion->id}";
if ($parent) {
    $logparameters .= "&parent={$parent}";
}
add_to_log($course->id, 'forum', 'view discussion', "discuss.php?{$logparameters}", $discussion->id, $cm->id);
unset($SESSION->fromdiscussion);
if ($mode) {
    set_user_preference('forum_displaymode', $mode);
}
$displaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
if ($parent) {