src/AppBundle/Controller/My/NotebookController.php

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<?php

namespace AppBundle\Controller\My;

use AppBundle\Controller\BaseController;
use Biz\Course\Service\CourseNoteService;
use Biz\Course\Service\CourseService;
use Biz\Course\Service\MemberService;
use Biz\Task\Service\TaskService;
use Symfony\Component\HttpFoundation\Request;
use AppBundle\Common\ArrayToolkit;
use AppBundle\Common\Paginator;

class NotebookController extends BaseController
{
    public function indexAction(Request $request)
    {
        $user = $this->getUser();

        $conditions = array(
            'userId' => $user['id'],
            'noteNumGreaterThan' => 0,
        );

        $paginator = new Paginator(
            $request,
            $this->getCourseMemberService()->countMembers($conditions),
            10
        );

        $courseMembers = $this->getCourseMemberService()->searchMembers($conditions, $orderBy = array(), $paginator->getOffsetCount(), $paginator->getPerPageCount());

        $courses = $this->getCourseService()->findCoursesByIds(ArrayToolkit::column($courseMembers, 'courseId'));
        $courses = ArrayToolkit::index($courses, 'id');

        return $this->render('my/learning/notebook/index.html.twig', array(
            'courseMembers' => $courseMembers,
            'paginator' => $paginator,
            'courses' => $courses,
        ));
    }

    public function showAction(Request $request, $courseId)
    {
        $user = $this->getCurrentUser();

        $course = $this->getCourseService()->getCourse($courseId);

        $notes = $this->getCourseNoteService()->findCourseNotesByUserIdAndCourseId($user['id'], $course['id']);
        $taskIds = ArrayToolkit::column($notes, 'taskId');

        $tasks = $this->getTaskService()->findTasksByIds($taskIds);
        $tasks = ArrayToolkit::index($tasks, 'id');

        $notes = $this->sortNotesByTaskSeq($notes, $tasks);

        return $this->render('my/learning/notebook/show.html.twig', array(
            'course' => $course,
            'tasks' => $tasks,
            'notes' => $notes,