PHP forum_post_subscription函数代码示例

            $message = '';
            if ($discussion->id = forum_add_discussion($discussion, $mform_post, $message)) {
                add_to_log($course->id, "forum", "add discussion", "discuss.php?d={$discussion->id}", "{$discussion->id}", $cm->id);
                $timemessage = 2;
                if (!empty($message)) {
                    // if we're printing stuff about the file upload
                    $timemessage = 4;
                }
                if ($fromform->mailnow) {
                    $message .= get_string("postmailnow", "forum");
                    $timemessage = 4;
                } else {
                    $message .= '<p>' . get_string("postaddedsuccess", "forum") . '</p>';
                    $message .= '<p>' . get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>';
                }
                if ($subscribemessage = forum_post_subscription($discussion, $forum)) {
                    $timemessage = 4;
                }
                // Update completion status
                $completion = new completion_info($course);
                if ($completion->is_enabled($cm) && ($forum->completiondiscussions || $forum->completionposts)) {
                    $completion->update_state($cm, COMPLETION_COMPLETE);
                }
                redirect(forum_go_back_to("view.php?f={$fromform->forum}"), $message . $subscribemessage, $timemessage);
            } else {
                print_error("couldnotadd", "forum", $errordestination);
            }
            exit;
        }
    }
}

//.........这里部分代码省略.........
                                                '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;
    }

                 $event = \mod_forum\event\discussion_created::create($params);
                 $event->add_record_snapshot('forum_discussions', $discussion);
                 $event->trigger();
                 $timemessage = 2;
                 if (!empty($message)) {
                     // If we're printing stuff about the file upload.
                     $timemessage = 4;
                 }
                 if ($fromform->mailnow) {
                     $message .= get_string("postmailnow", "forum");
                     $timemessage = 4;
                 } else {
                     $message .= '<p>' . get_string("postaddedsuccess", "forum") . '</p>';
                     $message .= '<p>' . get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>';
                 }
                 if ($subscribemessage = forum_post_subscription($fromform, $forum, $discussion)) {
                     $timemessage = 6;
                 }
             } else {
                 print_error("couldnotadd", "forum", $errordestination);
             }
         }
         // Update completion status.
         $completion = new completion_info($course);
         if ($completion->is_enabled($cm) && ($forum->completiondiscussions || $forum->completionposts)) {
             $completion->update_state($cm, COMPLETION_COMPLETE);
         }
         redirect(forum_go_back_to("view.php?f={$fromform->forum}"), $message . $subscribemessage, $timemessage);
         exit;
     }
 }

//.........这里部分代码省略.........
     */
    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;
    }