if ($miaprofile) { $miaprofile->emit_requires($moodlemia); } // #marginalia end echo $OUTPUT->header(); // checkup if (!empty($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 $OUTPUT->notification(get_string('qandanotify', 'forum')); } forum_check_throttling($forum, $cm); if (!empty($parent)) { if (!($discussion = $DB->get_record('forum_discussions', array('id' => $parent->discussion)))) { print_error('notpartofdiscussion', 'forum'); } // #marginalia begin $moodlemia = moodle_marginalia::get_instance(); $miaprofile = $moodlemia->get_profile($PAGE->url->out(false)); if ($miaprofile) { $miaprofile->emit_body(); $miaprofile->emit_margin_controls(); } // #marginalia end forum_print_post($parent, $discussion, $forum, $cm, $course, false, false, false); if (empty($post->edit)) { if ($forum->type != 'qanda' || forum_user_can_see_discussion($forum, $discussion, $modcontext)) {
// from now on user must be logged on properly if (!($cm = get_coursemodule_from_instance('forum', $forum->id, $course->id))) { // For the logs print_error('invalidcoursemodule'); } $modcontext = context_module::instance($cm->id); require_login($course, false, $cm); if (isguestuser()) { // just in case print_error('noguest'); } if (!isset($forum->maxattachments)) { // TODO - delete this once we add a field to the forum table $forum->maxattachments = 3; } $thresholdwarning = forum_check_throttling($forum, $cm); $mform_post = new mod_forum_post_form('post.php', array('course' => $course, 'cm' => $cm, 'coursecontext' => $coursecontext, 'modcontext' => $modcontext, 'forum' => $forum, 'post' => $post, 'subscribe' => \mod_forum\subscriptions::is_subscribed($USER->id, $forum, null, $cm), 'thresholdwarning' => $thresholdwarning, 'edit' => $edit), 'post', '', array('id' => 'mformforum')); $draftitemid = file_get_submitted_draft_itemid('attachments'); file_prepare_draft_area($draftitemid, $modcontext->id, 'mod_forum', 'attachment', empty($post->id) ? null : $post->id, mod_forum_post_form::attachment_options($forum)); //load data into form NOW! if ($USER->id != $post->userid) { // Not the original author, so add a message to the end $data = new stdClass(); $data->date = userdate($post->modified); if ($post->messageformat == FORMAT_HTML) { $data->name = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $USER->id . '&course=' . $post->course . '">' . fullname($USER) . '</a>'; $post->message .= '<p><span class="edited">(' . get_string('editedby', 'forum', $data) . ')</span></p>'; } else { $data->name = fullname($USER); $post->message .= "\n\n(" . get_string('editedby', 'forum', $data) . ')'; }
/** * Process a message received and validated by the Inbound Message processor. * * @throws \core\message\inbound\processing_failed_exception * @param \stdClass $messagedata The Inbound Message record * @param \stdClass $messagedata The message data packet * @return bool Whether the message was successfully processed. */ public function process_message(\stdClass $record, \stdClass $messagedata) { global $DB, $USER; // Load the post being replied to. $post = $DB->get_record('forum_posts', array('id' => $record->datavalue)); if (!$post) { mtrace("--> Unable to find a post matching with id {$record->datavalue}"); return false; } // Load the discussion that this post is in. $discussion = $DB->get_record('forum_discussions', array('id' => $post->discussion)); if (!$post) { mtrace("--> Unable to find the discussion for post {$record->datavalue}"); return false; } // Load the other required data. $forum = $DB->get_record('forum', array('id' => $discussion->forum)); $course = $DB->get_record('course', array('id' => $forum->course)); $cm = get_fast_modinfo($course->id)->instances['forum'][$forum->id]; $modcontext = \context_module::instance($cm->id); $usercontext = \context_user::instance($USER->id); // Make sure user can post in this discussion. $canpost = true; if (!forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext)) { $canpost = false; } if (isset($cm->groupmode) && empty($course->groupmodeforce)) { $groupmode = $cm->groupmode; } else { $groupmode = $course->groupmode; } if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) { if ($discussion->groupid == -1) { $canpost = false; } else { if (!groups_is_member($discussion->groupid)) { $canpost = false; } } } if (!$canpost) { $data = new \stdClass(); $data->forum = $forum; throw new \core\message\inbound\processing_failed_exception('messageinboundnopostforum', 'mod_forum', $data); } // And check the availability. if (!\core_availability\info_module::is_user_visible($cm, $USER, true)) { $data = new \stdClass(); $data->forum = $forum; throw new \core\message\inbound\processing_failed_exception('messageinboundforumhidden', 'mod_forum', $data); } // Before we add this we must check that the user will not exceed the blocking threshold. // This should result in an appropriate reply. $thresholdwarning = forum_check_throttling($forum, $cm); if (!empty($thresholdwarning) && !$thresholdwarning->canpost) { $data = new \stdClass(); $data->forum = $forum; $data->message = get_string($thresholdwarning->errorcode, $thresholdwarning->module, $thresholdwarning->additional); throw new \core\message\inbound\processing_failed_exception('messageinboundthresholdhit', 'mod_forum', $data); } $addpost = new \stdClass(); $addpost->course = $course->id; $addpost->forum = $forum->id; $addpost->discussion = $discussion->id; $addpost->modified = $messagedata->timestamp; $addpost->subject = clean_param($messagedata->envelope->subject, PARAM_TEXT); $addpost->parent = $post->id; $addpost->itemid = file_get_unused_draft_itemid(); if (!empty($messagedata->html)) { $addpost->message = $messagedata->html; $addpost->messageformat = FORMAT_HTML; } else { $addpost->message = $messagedata->plain; $addpost->messageformat = FORMAT_PLAIN; } // We don't trust text coming from e-mail. $addpost->messagetrust = false; // Add attachments to the post. if (!empty($messagedata->attachments['attachment']) && count($messagedata->attachments['attachment'])) { $attachmentcount = count($messagedata->attachments['attachment']); if (empty($forum->maxattachments) || $forum->maxbytes == 1 || !has_capability('mod/forum:createattachment', $modcontext)) { // Attachments are not allowed. mtrace("--> User does not have permission to attach files in this forum. Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->attachmentcount = $attachmentcount; throw new \core\message\inbound\processing_failed_exception('messageinboundattachmentdisallowed', 'mod_forum', $data); } if ($forum->maxattachments < $attachmentcount) { // Too many attachments. mtrace("--> User attached {$attachmentcount} files when only {$forum->maxattachments} where allowed. " . " Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->attachmentcount = $attachmentcount; throw new \core\message\inbound\processing_failed_exception('messageinboundfilecountexceeded', 'mod_forum', $data); } $filesize = 0; $addpost->attachments = file_get_unused_draft_itemid(); foreach ($messagedata->attachments['attachment'] as $attachment) { mtrace("--> Processing {$attachment->filename} as an attachment."); $this->process_attachment('*', $usercontext, $addpost->attachments, $attachment); $filesize += $attachment->filesize; } if ($forum->maxbytes < $filesize) { // Too many attachments. mtrace("--> User attached {$filesize} bytes of files when only {$forum->maxbytes} where allowed. " . "Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->maxbytes = display_size($forum->maxbytes); $data->filesize = display_size($filesize); throw new \core\message\inbound\processing_failed_exception('messageinboundfilesizeexceeded', 'mod_forum', $data); } } // Process any files in the message itself. if (!empty($messagedata->attachments['inline'])) { foreach ($messagedata->attachments['inline'] as $attachment) { mtrace("--> Processing {$attachment->filename} as an inline attachment."); $this->process_attachment('*', $usercontext, $addpost->itemid, $attachment); // Convert the contentid link in the message. $draftfile = \moodle_url::make_draftfile_url($addpost->itemid, '/', $attachment->filename); $addpost->message = preg_replace('/cid:' . $attachment->contentid . '/', $draftfile, $addpost->message); } } // Insert the message content now. $addpost->id = forum_add_new_post($addpost, true); // Log the new post creation. $params = array( 'context' => $modcontext, 'objectid' => $addpost->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', $addpost); $event->add_record_snapshot('forum_discussions', $discussion); $event->trigger(); mtrace("--> Created a post {$addpost->id} in {$discussion->id}."); return $addpost; }
/** * 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; }
/** * 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; }