src/AppBundle/Controller/My/ThreadController.php

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<?php

namespace AppBundle\Controller\My;

use AppBundle\Controller\BaseController;
use Biz\Course\Service\CourseService;
use Biz\Course\Service\CourseSetService;
use Biz\Course\Service\ThreadService;
use Biz\Task\Service\TaskService;
use Biz\User\Service\UserService;
use Symfony\Component\HttpFoundation\Request;
use AppBundle\Common\ArrayToolkit;
use AppBundle\Common\Paginator;

class ThreadController extends BaseController
{
    public function teachingAction(Request $request, $type)
    {
        $user = $this->getCurrentUser();

        if (!$user->isTeacher()) {
            return $this->createMessageResponse('error', '您不是老师，不能查看此页面！');
        }

        $myTeachingCourseCount = $this->getCourseService()->findUserTeachCourseCount(array('userId' => $user['id']), true);

        if (empty($myTeachingCourseCount)) {
            return $this->render('my/teaching/threads.html.twig', array(
                'type' => $type,
                'threadType' => 'course',
                'threads' => array(),
            ));
        }

        $myTeachingCourses = $this->getCourseService()->findUserTeachCourses(array('userId' => $user['id']), 0, $myTeachingCourseCount, true);

        $conditions = array(
            'courseIds' => ArrayToolkit::column($myTeachingCourses, 'id'),
            'type' => $type,
        );

        $paginator = new Paginator(
            $request,
            $this->getThreadService()->searchThreadCountInCourseIds($conditions),
            20
        );

        $threads = $this->getThreadService()->searchThreadInCourseIds(
            $conditions,
            'createdNotStick',
            $paginator->getOffsetCount(),
            $paginator->getPerPageCount()
        );

        $users = $this->getUserService()->findUsersByIds(ArrayToolkit::column($threads, 'latestPostUserId'));
        $courses = $this->getCourseService()->findCoursesByIds(ArrayToolkit::column($threads, 'courseId'));
        $courses = ArrayToolKit::index($courses, 'id');

        $setIds = ArrayToolKit::column($courses, 'courseSetId');
        $courseSets = $this->getCourseSetService()->findCourseSetsByIds($setIds);