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OfficeHoursQueueController.php
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OfficeHoursQueueController.php
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<?php
namespace app\controllers;
use app\libraries\Core;
use app\libraries\response\MultiResponse;
use app\libraries\response\WebResponse;
use app\libraries\response\JsonResponse;
use app\libraries\response\RedirectResponse;
use Symfony\Component\Routing\Annotation\Route;
use app\models\OfficeHoursQueueModel;
use app\libraries\routers\AccessControl;
use app\libraries\socket\Client;
use app\libraries\Logger;
use WebSocket;
/**
* Class OfficeHoursQueueController
*
*/
class OfficeHoursQueueController extends AbstractController {
public function __construct(Core $core) {
parent::__construct($core);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue", methods={"GET"})
* @return MultiResponse
*/
public function showQueue($full_history = false) {
if (!$this->core->getConfig()->isQueueEnabled()) {
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['home']))
);
}
return MultiResponse::webOnlyResponse(
new WebResponse(
'OfficeHoursQueue',
'showTheQueue',
new OfficeHoursQueueModel($this->core, $full_history)
)
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function openQueue() {
if (empty($_POST['code'])) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$require_contact_info = isset($_POST['require_contact_information']);
//Replace whitespace with "_"
$queue_code = trim($_POST['code']);
$token = trim($_POST['token'] ?? '');
$re = '/^[\sa-zA-Z0-9_\-]+$/m';
preg_match_all($re, $queue_code, $matches_code, PREG_SET_ORDER, 0);
$matches_token = 1;
if ($token !== "") {
preg_match_all($re, $token, $matches_token, PREG_SET_ORDER, 0);
}
if (count($matches_code) !== 1 || count($matches_token) !== 1) {
$this->core->addErrorMessage('Queue name and secret code must only contain letters, numbers, spaces, "_", and "-"');
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$regex_pattern = isset($_POST['regex']) ? trim($_POST['regex']) : '';
if ($this->core->getQueries()->openQueue($queue_code, $token, $regex_pattern, $require_contact_info)) {
$this->core->addSuccessMessage("New queue added");
Logger::logQueueActivity($this->core->getConfig()->getSemester(), $this->core->getDisplayedCourseName(), $queue_code, "CREATED");
}
else {
$this->core->addErrorMessage("Unable to add queue. Make sure you have a unique queue name");
}
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/add", methods={"POST"})
* @return MultiResponse
*/
public function addPerson($queue_code) {
if (empty($_POST['name'])) {
$this->core->addErrorMessage("Missing user's name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$contact_info = null;
if ($this->core->getQueries()->getQueueHasContactInformation($queue_code)) {
if (!isset($_POST['contact_info'])) {
$this->core->addErrorMessage("Missing contact info");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
else {
$contact_info = trim($_POST['contact_info']);
//make sure contact information matches instructors regex pattern
$regex_pattern = $this->core->getQueries()->getQueueRegex($queue_code)[0]['regex_pattern'];
if ($regex_pattern !== '') {
$regex_pattern = '#' . $regex_pattern . '#';
if (preg_match($regex_pattern, $contact_info) == 0) {
$this->core->addErrorMessage("Invalid contact information format. Please re-read the course-specific instructions about the necessary information you should provide when you join this office hours queue.");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
}
}
}
$queue_code = trim($queue_code);
$token = trim($_POST['token'] ?? '');
$validated_code = $this->core->getQueries()->isValidCode($queue_code, $token);
if (!$validated_code) {
$this->core->addErrorMessage("Invalid secret code");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if ($this->core->getQueries()->alreadyInAQueue()) {
$this->core->addErrorMessage("You are already in the queue");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$this->core->getQueries()->addToQueue($validated_code, $this->core->getUser()->getId(), $_POST['name'], $contact_info);
$this->sendSocketMessage(['type' => 'queue_update']);
$this->core->addSuccessMessage("Added to queue");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/remove", methods={"POST"})
* @return MultiResponse
*/
public function removePerson($queue_code) {
if (empty($_POST['user_id'])) {
$this->core->addErrorMessage("Missing user ID");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (!$this->core->getUser()->accessGrading() && $this->core->getUser()->getId() !== $_POST['user_id']) {
$this->core->addErrorMessage("Permission denied to remove that person");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$remove_type = 'removed';//Mentor or ta removed you
if ($this->core->getUser()->getId() === $_POST['user_id']) {
$remove_type = 'self';//You removed yourself
}
$this->core->getQueries()->removeUserFromQueue($_POST['user_id'], $remove_type, $queue_code);
$this->sendSocketMessage(['type' => 'full_update']);
$this->core->addSuccessMessage("Removed from queue");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/togglePause", methods={"POST"})
* @return MultiResponse
*/
public function setQueuePauseState() {
if (empty($_POST['pause_state'])) {
$this->core->addErrorMessage("Missing queue position pause state");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$this->core->getQueries()->setQueuePauseState($_POST['pause_state'] === 'true');
$this->core->addSuccessMessage($_POST['pause_state'] === 'true' ? "Position in queue paused" : "Position in queue unpaused");
$this->sendSocketMessage(['type' => 'queue_update']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/restore", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function restorePerson($queue_code) {
if (empty($_POST['entry_id'])) {
$this->core->addErrorMessage("Missing entry ID");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$this->core->getQueries()->restoreUserToQueue($_POST['entry_id']);
$this->sendSocketMessage(['type' => 'queue_status_update']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/startHelp", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function startHelpPerson($queue_code) {
if (empty($_POST['user_id'])) {
$this->core->addErrorMessage("Missing user ID");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$this->core->getQueries()->startHelpUser($_POST['user_id'], $queue_code);
$this->sendSocketMessage(['type' => 'queue_status_update']);
$this->core->addSuccessMessage("Started helping student");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/finishHelp", methods={"POST"})
* @return MultiResponse
*/
public function finishHelpPerson($queue_code) {
if (empty($_POST['user_id'])) {
$this->core->addErrorMessage("Missing entry ID");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (!$this->core->getUser()->accessGrading() && $this->core->getUser()->getId() !== $_POST['user_id']) {
$this->core->addErrorMessage("Permission denied to finish helping that person");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$remove_type = 'helped';
if ($this->core->getUser()->getId() === $_POST['user_id']) {
$remove_type = 'self_helped';//You helped yourself
}
$this->core->getQueries()->finishHelpUser($_POST['user_id'], $queue_code, $remove_type);
$this->sendSocketMessage(['type' => 'full_update']);
$this->core->addSuccessMessage("Finished helping student");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/empty", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function emptyQueue($queue_code) {
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
Logger::logQueueActivity($this->core->getConfig()->getSemester(), $this->core->getDisplayedCourseName(), $queue_code, "EMPTIED");
$this->core->getQueries()->emptyQueue($queue_code);
$this->core->addSuccessMessage("Queue emptied");
$this->sendSocketMessage(['type' => 'full_update']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/toggle", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function toggleQueue($queue_code) {
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
if (!isset($_POST['queue_state'])) {//Must be set as isset because empty(0) will return false even though 0 is a value
$this->core->addErrorMessage("Missing queue state");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
Logger::logQueueActivity($this->core->getConfig()->getSemester(), $this->core->getDisplayedCourseName(), $queue_code, $_POST['queue_state'] === "1" ? 'CLOSED' : 'OPENED');
$this->core->getQueries()->toggleQueue($queue_code, $_POST['queue_state']);
$this->core->addSuccessMessage(($_POST['queue_state'] === "1" ? 'Closed' : 'Opened') . ' queue: "' . $queue_code . '"');
$this->sendSocketMessage(['type' => 'toggle_queue']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/deleteQueue", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function deleteQueue($queue_code) {
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$this->core->getQueries()->deleteQueue($queue_code);
$this->core->addSuccessMessage("Queue deleted");
$this->sendSocketMessage(['type' => 'full_update']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/change_token", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function changeToken($queue_code) {
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
//Replace whitespace with "_"
$token = trim($_POST['token']);
$re = '/^[\sa-zA-Z0-9_\-]+$/m';
preg_match_all($re, $token, $matches_token, PREG_SET_ORDER, 0);
if (count($matches_token) !== 1) {
$this->core->addErrorMessage('Queue secret code must only contain letters, numbers, spaces, "_", and "-"');
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$queue_code = trim($queue_code);
$this->core->getQueries()->changeQueueToken($token, $queue_code);
$this->core->addSuccessMessage("Queue Access Code Changed");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/change_regex", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function changeRegex($queue_code) {
if (empty($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$regex_pattern = trim($_POST['regex']);
$queue_code = trim($_POST['code']);
$this->core->getQueries()->changeQueueRegex($regex_pattern, $queue_code);
$this->core->addSuccessMessage("Queue Regex Pattern Changed");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/{queue_code}/change_contact_information", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return RedirectResponse
*/
public function changeContactInformation($queue_code) {
if (!isset($queue_code)) {
$this->core->addErrorMessage("Missing queue name");
return new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']));
}
$contact_information = $_POST['contact_information'] === "true";
$queue_code = trim($_POST['code']);
$this->core->getQueries()->changeQueueContactInformation($contact_information, $queue_code);
$this->core->addSuccessMessage("Queue Contact Information Changed");
return new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']));
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/current_queue", methods={"GET"})
* @return MultiResponse
*/
public function showCurrentQueue() {
if (!$this->core->getConfig()->isQueueEnabled()) {
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['home']))
);
}
$this->core->getOutput()->useHeader(false);
$this->core->getOutput()->useFooter(false);
return MultiResponse::webOnlyResponse(
new WebResponse(
'OfficeHoursQueue',
'renderCurrentQueue',
new OfficeHoursQueueModel($this->core)
)
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/queue_history", methods={"GET"})
* @return MultiResponse
*/
public function showQueueHistory($full_history = false) {
if (!$this->core->getConfig()->isQueueEnabled()) {
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['home']))
);
}
$this->core->getOutput()->useHeader(false);
$this->core->getOutput()->useFooter(false);
return MultiResponse::webOnlyResponse(
new WebResponse(
'OfficeHoursQueue',
'renderQueueHistory',
new OfficeHoursQueueModel($this->core, $full_history)
)
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/new_status", methods={"GET"})
* @return MultiResponse
*/
public function showNewStatus() {
if (!$this->core->getConfig()->isQueueEnabled()) {
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['home']))
);
}
$this->core->getOutput()->useHeader(false);
$this->core->getOutput()->useFooter(false);
return MultiResponse::webOnlyResponse(
new WebResponse(
'OfficeHoursQueue',
'renderNewStatus',
new OfficeHoursQueueModel($this->core)
)
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/update_announcement", methods={"POST"})
* @AccessControl(role="LIMITED_ACCESS_GRADER")
* @return MultiResponse
*/
public function updateAnnouncement() {
if (!isset($_POST['queue_announcement_message'])) {
$this->core->addErrorMessage("Missing announcement content");
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
$config_json = $this->core->getConfig()->getCourseJson();
$config_json['course_details']['queue_announcement_message'] = $_POST['queue_announcement_message'];
if (!$this->core->getConfig()->saveCourseJson(['course_details' => $config_json['course_details']])) {
return MultiResponse::JsonOnlyResponse(
JsonResponse::getFailResponse('Could not save config file')
);
}
$this->core->addSuccessMessage("Updated announcement");
$this->sendSocketMessage(['type' => 'announcement_update']);
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['office_hours_queue']))
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/stats", methods={"GET"})
*/
public function showQueueStats() {
if (!$this->core->getConfig()->isQueueEnabled()) {
$this->core->addErrorMessage("Office hours queue disabled");
return new RedirectResponse($this->core->buildCourseUrl(['home']));
}
$viewer = new OfficeHoursQueueModel($this->core);
return new WebResponse(
'OfficeHoursQueue',
'showQueueStats',
$viewer->getQueueDataOverall(),
$viewer->getQueueDataToday(),
$viewer->getQueueDataByWeekDayThisWeek(),
$viewer->getQueueDataByWeekDay(),
$viewer->getQueueDataByQueue(),
$viewer->getQueueDataByWeekNumber()
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/new_announcement", methods={"GET"})
*/
public function showNewAnnouncement() {
if (!$this->core->getConfig()->isQueueEnabled()) {
return MultiResponse::RedirectOnlyResponse(
new RedirectResponse($this->core->buildCourseUrl(['home']))
);
}
$this->core->getOutput()->useHeader(false);
$this->core->getOutput()->useFooter(false);
return MultiResponse::webOnlyResponse(
new WebResponse(
'OfficeHoursQueue',
'renderNewAnnouncement',
new OfficeHoursQueueModel($this->core)
)
);
}
/**
* @Route("/courses/{_semester}/{_course}/office_hours_queue/student_stats", methods={"GET"})
* @AccessControl(role="INSTRUCTOR")
*/
public function showQueueStudentStats() {
if (!$this->core->getConfig()->isQueueEnabled()) {
return new RedirectResponse($this->core->buildCourseUrl(['home']));
}
$viewer = new OfficeHoursQueueModel($this->core);
return new WebResponse(
'OfficeHoursQueue',
'showQueueStudentStats',
$viewer->getQueueDataStudent()
);
}
/**
* this function opens a WebSocket client and sends a message with the corresponding update
* @param array $msg_array
*/
private function sendSocketMessage(array $msg_array): void {
$msg_array['user_id'] = $this->core->getUser()->getId();
$msg_array['page'] = $this->core->getConfig()->getSemester() . '-' . $this->core->getConfig()->getCourse() . "-office_hours_queue";
try {
$client = new Client($this->core);
$client->json_send($msg_array);
}
catch (WebSocket\ConnectionException $e) {
$this->core->addNoticeMessage("WebSocket Server is down, page won't load dynamically.");
}
}
}