/**
* Add a new discussion into an existing forum.
*
* @param int $forumid the forum instance id
* @param string $subject new discussion subject
* @param string $message new discussion message (only html format allowed)
* @param int $groupid the user course group
* @param array $options optional settings
* @return array of warnings and the new discussion id
* @since Moodle 3.0
* @throws moodle_exception
*/
public static function add_discussion($forumid, $subject, $message, $groupid = -1, $options = array()) {
global $DB, $CFG;
require_once($CFG->dirroot . "/mod/forum/lib.php");
$params = self::validate_parameters(self::add_discussion_parameters(),
array(
'forumid' => $forumid,
'subject' => $subject,
'message' => $message,
'groupid' => $groupid,
'options' => $options
));
// Validate options.
$options = array(
'discussionsubscribe' => true
);
foreach ($params['options'] as $option) {
$name = trim($option['name']);
switch ($name) {
case 'discussionsubscribe':
$value = clean_param($option['value'], PARAM_BOOL);
break;
default:
throw new moodle_exception('errorinvalidparam', 'webservice', '', $name);
}
$options[$name] = $value;
}
$warnings = array();
// Request and permission validation.
$forum = $DB->get_record('forum', array('id' => $params['forumid']), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($forum, 'forum');
$context = context_module::instance($cm->id);
self::validate_context($context);
// Normalize group.
if (!groups_get_activity_groupmode($cm)) {
// Groups not supported, force to -1.
$groupid = -1;
} else {
// Check if we receive the default or and empty value for groupid,
// in this case, get the group for the user in the activity.
if ($groupid === -1 or empty($params['groupid'])) {
$groupid = groups_get_activity_group($cm);
} else {
// Here we rely in the group passed, forum_user_can_post_discussion will validate the group.
$groupid = $params['groupid'];
}
}
if (!forum_user_can_post_discussion($forum, $groupid, -1, $cm, $context)) {
throw new moodle_exception('cannotcreatediscussion', 'forum');
}
$thresholdwarning = forum_check_throttling($forum, $cm);
forum_check_blocking_threshold($thresholdwarning);
// Create the discussion.
$discussion = new stdClass();
$discussion->course = $course->id;
$discussion->forum = $forum->id;
$discussion->message = $params['message'];
$discussion->messageformat = FORMAT_HTML; // Force formatting for now.
$discussion->messagetrust = trusttext_trusted($context);
$discussion->itemid = 0;
$discussion->groupid = $groupid;
$discussion->mailnow = 0;
$discussion->subject = $params['subject'];
$discussion->name = $discussion->subject;
$discussion->timestart = 0;
$discussion->timeend = 0;
if ($discussionid = forum_add_discussion($discussion)) {
$discussion->id = $discussionid;
// Trigger events and completion.
$params = array(
'context' => $context,
'objectid' => $discussion->id,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_forum\event\discussion_created::create($params);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
$completion = new completion_info($course);
if ($completion->is_enabled($cm) &&
($forum->completiondiscussions || $forum->completionposts)) {
$completion->update_state($cm, COMPLETION_COMPLETE);
}
$settings = new stdClass();
$settings->discussionsubscribe = $options['discussionsubscribe'];
forum_post_subscription($settings, $forum, $discussion);
} else {
throw new moodle_exception('couldnotadd', 'forum');
}
$result = array();
$result['discussionid'] = $discussionid;
$result['warnings'] = $warnings;
return $result;
}
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
// checkup
if (!empty($parent) && !forum_user_can_see_post($forum, $discussion, $post, null, $cm)) {
print_error('cannotreply', 'forum');
}
if (empty($parent) && empty($edit) && !forum_user_can_post_discussion($forum, $groupid, -1, $cm, $modcontext)) {
print_error('cannotcreatediscussion', 'forum');
}
if ($forum->type == 'qanda' && !has_capability('mod/forum:viewqandawithoutposting', $modcontext) && !empty($discussion->id) && !forum_user_has_posted($forum->id, $discussion->id, $USER->id)) {
echo $OUTPUT->notification(get_string('qandanotify', 'forum'));
}
// If there is a warning message and we are not editing a post we need to handle the warning.
if (!empty($thresholdwarning) && !$edit) {
// Here we want to throw an exception if they are no longer allowed to post.
forum_check_blocking_threshold($thresholdwarning);
}
if (!empty($parent)) {
if (!($discussion = $DB->get_record('forum_discussions', array('id' => $parent->discussion)))) {
print_error('notpartofdiscussion', 'forum');
}
forum_print_post($parent, $discussion, $forum, $cm, $course, false, false, false);
if (empty($post->edit)) {
if ($forum->type != 'qanda' || forum_user_can_see_discussion($forum, $discussion, $modcontext)) {
$forumtracked = forum_tp_is_tracked($forum);
$posts = forum_get_all_discussion_posts($discussion->id, "created ASC", $forumtracked);
forum_print_posts_threaded($course, $cm, $forum, $discussion, $parent, 0, false, $forumtracked, $posts);
}
}
} else {
if (!empty($forum->intro)) {
/**
* Create new posts into an existing discussion.
*
* @param int $postid the post id we are going to reply to
* @param string $subject new post subject
* @param string $message new post message (only html format allowed)
* @param array $options optional settings
* @return array of warnings and the new post id
* @since Moodle 3.0
* @throws moodle_exception
*/
public static function add_discussion_post($postid, $subject, $message, $options = array()) {
global $DB, $CFG, $USER;
require_once($CFG->dirroot . "/mod/forum/lib.php");
$params = self::validate_parameters(self::add_discussion_post_parameters(),
array(
'postid' => $postid,
'subject' => $subject,
'message' => $message,
'options' => $options
));
// Validate options.
$options = array(
'discussionsubscribe' => true
);
foreach ($params['options'] as $option) {
$name = trim($option['name']);
switch ($name) {
case 'discussionsubscribe':
$value = clean_param($option['value'], PARAM_BOOL);
break;
default:
throw new moodle_exception('errorinvalidparam', 'webservice', '', $name);
}
$options[$name] = $value;
}
$warnings = array();
if (!$parent = forum_get_post_full($params['postid'])) {
throw new moodle_exception('invalidparentpostid', 'forum');
}
if (!$discussion = $DB->get_record("forum_discussions", array("id" => $parent->discussion))) {
throw new moodle_exception('notpartofdiscussion', 'forum');
}
// Request and permission validation.
$forum = $DB->get_record('forum', array('id' => $discussion->forum), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($forum, 'forum');
$context = context_module::instance($cm->id);
self::validate_context($context);
if (!forum_user_can_post($forum, $discussion, $USER, $cm, $course, $context)) {
throw new moodle_exception('nopostforum', 'forum');
}
$thresholdwarning = forum_check_throttling($forum, $cm);
forum_check_blocking_threshold($thresholdwarning);
// Create the post.
$post = new stdClass();
$post->discussion = $discussion->id;
$post->parent = $parent->id;
$post->subject = $params['subject'];
$post->message = $params['message'];
$post->messageformat = FORMAT_HTML; // Force formatting for now.
$post->messagetrust = trusttext_trusted($context);
$post->itemid = 0;
if ($postid = forum_add_new_post($post, null)) {
$post->id = $postid;
// Trigger events and completion.
$params = array(
'context' => $context,
'objectid' => $post->id,
'other' => array(
'discussionid' => $discussion->id,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
$event = \mod_forum\event\post_created::create($params);
$event->add_record_snapshot('forum_posts', $post);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
// Update completion state.
$completion = new completion_info($course);
if ($completion->is_enabled($cm) &&
($forum->completionreplies || $forum->completionposts)) {
$completion->update_state($cm, COMPLETION_COMPLETE);
}
$settings = new stdClass();
$settings->discussionsubscribe = $options['discussionsubscribe'];
forum_post_subscription($settings, $forum, $discussion);
} else {
throw new moodle_exception('couldnotadd', 'forum');
}
$result = array();
$result['postid'] = $postid;
$result['warnings'] = $warnings;
return $result;
}