/** * @global object * @global object * @uses DEBUG_DEVELOPER * @param object $anonforum * @param object $discussion * @param object $context * @param object $user * @return bool */ function anonforum_user_can_see_discussion($anonforum, $discussion, $context, $user = NULL) { global $USER, $DB; if (empty($user) || empty($user->id)) { $user = $USER; } // retrieve objects (yuk) if (is_numeric($anonforum)) { debugging('missing full anonforum', DEBUG_DEVELOPER); if (!($anonforum = $DB->get_record('anonforum', array('id' => $anonforum)))) { return false; } } if (is_numeric($discussion)) { debugging('missing full discussion', DEBUG_DEVELOPER); if (!($discussion = $DB->get_record('anonforum_discussions', array('id' => $discussion)))) { return false; } } if (!($cm = get_coursemodule_from_instance('anonforum', $anonforum->id, $anonforum->course))) { print_error('invalidcoursemodule'); } if (!has_capability('mod/anonforum:viewdiscussion', $context)) { return false; } if (!anonforum_user_can_see_timed_discussion($discussion, $user, $context)) { return false; } if (!anonforum_user_can_see_group_discussion($discussion, $cm, $context)) { return false; } if ($anonforum->type == 'qanda' && !anonforum_user_has_posted($anonforum->id, $discussion->id, $user->id) && !has_capability('mod/anonforum:viewqandawithoutposting', $context)) { return false; } return true; }
/** * Returns a list of anonforum discussions as well as a summary of the discussion * in a provided list of anonforums. * * @param array $anonforumids the anonforum ids * @return array the anonforum discussion details * @since Moodle 2.5 */ public static function get_anonforum_discussions($anonforumids) { global $CFG, $DB, $USER; require_once $CFG->dirroot . "/mod/anonforum/lib.php"; // Validate the parameter. $params = self::validate_parameters(self::get_anonforum_discussions_parameters(), array('anonforumids' => $anonforumids)); $anonforumids = $params['anonforumids']; // Array to store the anonymous forum discussions to return. $arrdiscussions = array(); // Keep track of the course ids we have performed a require_course_login check on to avoid repeating. $arrcourseschecked = array(); // Store the modinfo for the anonymous forums in an individual courses. $arrcoursesanonforuminfo = array(); // Keep track of the users we have looked up in the DB. $arrusers = array(); // Loop through them. foreach ($anonforumids as $id) { // Get the anonymous forum object. $anonforum = $DB->get_record('anonforum', array('id' => $id), '*', MUST_EXIST); // Check that that user can view this course if check not performed yet. if (!in_array($anonforum->course, $arrcourseschecked)) { // Check the user can function in this context. self::validate_context(context_course::instance($anonforum->course)); // Add to the array. $arrcourseschecked[] = $anonforum->course; } // Get the modinfo for the course if we haven't already. if (!isset($arrcoursesanonforuminfo[$anonforum->course])) { $modinfo = get_fast_modinfo($anonforum->course); $arrcoursesanonforuminfo[$anonforum->course] = $modinfo->get_instances_of('anonforum'); } // Check if this anonymous forum does not exist in the modinfo array, should always be false unless DB is borked. if (empty($arrcoursesanonforuminfo[$anonforum->course][$anonforum->id])) { throw new moodle_exception('invalidmodule', 'error'); } // We now have the course module. $cm = $arrcoursesanonforuminfo[$anonforum->course][$anonforum->id]; // If the anonymous forum is not visible throw an exception. if (!$cm->uservisible) { throw new moodle_exception('nopermissiontoshow', 'error'); } // Get the module context. $modcontext = context_module::instance($cm->id); // Check they have the view anonymous forum capability. require_capability('mod/anonforum:viewdiscussion', $modcontext); // Check if they can view full names. $canviewfullname = has_capability('moodle/site:viewfullnames', $modcontext); // Get the unreads array, this takes a anonymous forum id and returns data for all discussions. $unreads = array(); if ($cantrack = anonforum_tp_can_track_anonforums($anonforum)) { if ($anonforumtracked = anonforum_tp_is_tracked($anonforum)) { $unreads = anonforum_get_discussions_unread($cm); } } // The anonforum function returns the replies for all the discussions in a given anonymous forum. $replies = anonforum_count_discussion_replies($id); // Get the discussions for this anonymous forum. if ($discussions = $DB->get_records('anonforum_discussions', array('anonforum' => $id))) { foreach ($discussions as $discussion) { // If the anonymous forum is of type qanda and the user has not posted in the discussion // we need to ensure that they have the required capability. if ($anonforum->type == 'qanda' && !anonforum_user_has_posted($discussion->anonforum, $discussion->id, $USER->id)) { require_capability('mod/anonforum:viewqandawithoutposting', $modcontext); } $usernamefields = user_picture::fields(); // If we don't have the users details then perform DB call. if (empty($arrusers[$discussion->userid])) { $arrusers[$discussion->userid] = $DB->get_record('user', array('id' => $discussion->userid), $usernamefields, MUST_EXIST); } // Get the subject. $subject = $DB->get_field('anonforum_posts', 'subject', array('id' => $discussion->firstpost), MUST_EXIST); // Create object to return. $return = new stdClass(); $return->id = (int) $discussion->id; $return->course = $discussion->course; $return->anonforum = $discussion->anonforum; $return->name = $discussion->name; $return->userid = $discussion->userid; $return->groupid = $discussion->groupid; $return->assessed = $discussion->assessed; $return->timemodified = (int) $discussion->timemodified; $return->usermodified = $discussion->usermodified; $return->timestart = $discussion->timestart; $return->timeend = $discussion->timeend; $return->firstpost = (int) $discussion->firstpost; $return->firstuserfullname = fullname($arrusers[$discussion->userid], $canviewfullname); $return->firstuserimagealt = $arrusers[$discussion->userid]->imagealt; $return->firstuserpicture = $arrusers[$discussion->userid]->picture; $return->firstuseremail = $arrusers[$discussion->userid]->email; $return->subject = $subject; $return->numunread = ''; if ($cantrack && $anonforumtracked) { if (isset($unreads[$discussion->id])) { $return->numunread = (int) $unreads[$discussion->id]; } } // Check if there are any replies to this discussion. if (!empty($replies[$discussion->id])) { $return->numreplies = (int) $replies[$discussion->id]->replies; $return->lastpost = (int) $replies[$discussion->id]->lastpostid; } else { // No replies, so the last post will be the first post. $return->numreplies = 0; $return->lastpost = (int) $discussion->firstpost; } // Get the last post as well as the user who made it. $lastpost = $DB->get_record('anonforum_posts', array('id' => $return->lastpost), '*', MUST_EXIST); if (empty($arrusers[$lastpost->userid])) { $arrusers[$lastpost->userid] = $DB->get_record('user', array('id' => $lastpost->userid), $usernamefields, MUST_EXIST); } $return->lastuserid = $lastpost->userid; $return->lastuserfullname = fullname($arrusers[$lastpost->userid], $canviewfullname); $return->lastuserimagealt = $arrusers[$lastpost->userid]->imagealt; $return->lastuserpicture = $arrusers[$lastpost->userid]->picture; $return->lastuseremail = $arrusers[$lastpost->userid]->email; // Add the discussion statistics to the array to return. $arrdiscussions[$return->id] = (array) $return; } } } return $arrdiscussions; }
if ($anonforumidcompare and $anonforumtypecheck) { $url = "/mod/anonforum/discuss.php?d={$discussion->id}&move={$anonforumcm->instance}&sesskey=" . sesskey(); $anonforummenu[$section][$sectionname][$url] = format_string($anonforumcm->name); } } if (!empty($anonforummenu)) { echo '<div class="movediscussionoption">'; $select = new url_select($anonforummenu, '', array('' => get_string("movethisdiscussionto", "anonforum")), 'anonforummenu', get_string('move')); echo $OUTPUT->render($select); echo "</div>"; } } echo "</div>"; } echo '<div class="clearfloat"> </div>'; echo "</div>"; if (!empty($anonforum->blockafter) && !empty($anonforum->blockperiod)) { $a = new stdClass(); $a->blockafter = $anonforum->blockafter; $a->blockperiod = get_string('secondstotime' . $anonforum->blockperiod); echo $OUTPUT->notification(get_string('thisanonforumisthrottled', 'anonforum', $a)); } if ($anonforum->type == 'qanda' && !has_capability('mod/anonforum:viewqandawithoutposting', $modcontext) && !anonforum_user_has_posted($anonforum->id, $discussion->id, $USER->id)) { echo $OUTPUT->notification(get_string('qandanotify', 'anonforum')); } if ($move == -1 and confirm_sesskey()) { echo $OUTPUT->notification(get_string('discussionmoved', 'anonforum', format_string($anonforum->name, true))); } $canrate = has_capability('mod/anonforum:rate', $modcontext); anonforum_print_discussion($course, $cm, $anonforum, $discussion, $post, $displaymode, $canreply, $canrate); echo $OUTPUT->footer();