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<?php |
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namespace App\Http\Controllers; |
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use App\Judite\Models\Group; |
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use App\Judite\Models\Course; |
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use App\Judite\Models\Student; |
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use App\Judite\Models\Invitation; |
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use Illuminate\Support\Facades\Auth; |
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use App\Exceptions\UserHasAlreadyGroupInCourseException; |
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class GroupController extends Controller |
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{ |
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/** |
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* Create a new controller instance. |
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*/ |
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public function __construct() |
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{ |
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$this->middleware('auth'); |
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$this->middleware('can.student'); |
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$this->middleware('student.verified'); |
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$this->middleware('can.group'); |
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} |
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/** |
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* Display a listing of the resource. |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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public function index() |
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{ |
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$student = Auth::student(); |
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$enrollments = $student |
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->enrollments() |
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->orderByCourse() |
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->get(); |
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foreach ($enrollments as $enrollmentKey => $enrollment) { |
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$course = Course::whereId($enrollment->course_id)->first(); |
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if ($course->group_max <= 0) { |
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unset($enrollments[$enrollmentKey]); |
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continue; |
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} |
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$membership = $student->memberships() |
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->whereCourseId($course->id) |
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->first(); |
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if (is_null($membership)) { |
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$enrollment->group_status = 0; |
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} else { |
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$group = Group::whereId($membership->group_id)->first(); |
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$enrollment->group_status = |
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$group->memberships()->count(); |
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} |
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$enrollment->name = $course->name; |
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$enrollment->group_min = $course->group_min; |
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$enrollment->group_max = $course->group_max; |
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$enrollment->number_invitations = $this->numberInvitations( |
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$enrollment->course_id, |
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$student->student_number |
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); |
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} |
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return view('groups.index', compact('enrollments')); |
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} |
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/** |
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* Store a newly created resource in storage. |
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* |
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* @param $courseId |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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public function store($courseId) |
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{ |
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$group = new Group(); |
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$group->course_id = $courseId; |
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$group->save(); |
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try { |
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Auth::student()->join($group); |
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flash('You have successfully joined a group.') |
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->success(); |
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} catch (UserHasAlreadyGroupInCourseException $e) { |
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flash('You already have a group.') |
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->error(); |
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$group->delete(); |
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} |
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return redirect()->route('groups.show', compact('courseId')); |
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} |
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/** |
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* Display the specified resource. |
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* |
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* @param int $courseId |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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public function show($courseId) |
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{ |
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$student = Auth::student(); |
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$course = Course::whereId($courseId)->first(); |
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$course->numberInvitations = $this->numberInvitations( |
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$courseId, |
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$student->student_number |
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); |
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$membership = $student |
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->memberships() |
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->whereCourseId($courseId) |
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->first(); |
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$students = []; |
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$group = 0; |
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if (! is_null($membership)) { |
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$group = $membership->group()->first(); |
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$memberships = $group->memberships()->get(); |
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foreach ($memberships as $membership) { |
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$student = $membership->student()->first(); |
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$student->name = $student->user()->first()->name; |
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array_push($students, $student); |
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} |
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} |
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return view('groups.show', compact('course', 'students', 'group')); |
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} |
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/** |
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* Update the specified resource in storage. |
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* |
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* @param int $inviteId |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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public function update($inviteId) |
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{ |
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$invitation = Invitation::whereId($inviteId)->first(); |
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$group = Group::whereId($invitation->group_id)->first(); |
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$courseMax = Course::whereId($invitation->course_id) |
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->first() |
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->group_max; |
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if ($group->memberships()->count() >= $courseMax) { |
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flash('Course group limit exceeded')->error(); |
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return redirect()->back(); |
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} |
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try { |
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Auth::student()->join($group); |
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flash('You have successfully joined the group.') |
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->success(); |
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return redirect()->route('invitations.destroy', compact('inviteId')); |
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} catch (UserHasAlreadyGroupInCourseException $e) { |
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flash('You already have a group.') |
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->error(); |
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$courseId = $invitation->course_id; |
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return redirect()->route('groups.show', compact('courseId')); |
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} |
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} |
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/** |
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* Remove the specified resource from storage. |
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* |
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* @param int $id |
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* |
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* @return \Illuminate\Http\Response |
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*/ |
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public function destroy($courseId) |
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{ |
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$group = Auth::student()->memberships()->get() |
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->where('course_id', '=', $courseId)->first() |
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->group()->first(); |
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Auth::student()->leave($group); |
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if (! ($group->memberships()->count())) { |
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$invitations = Invitation::whereGroupId($group->id)->get(); |
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foreach ($invitations as $invitation) { |
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$invitation->delete(); |
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} |
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$group->delete(); |
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flash('Group deleted.')->success(); |
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} else { |
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flash('You have successfully left the group.')->success(); |
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} |
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return redirect()->route('groups.show', compact('courseId')); |
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} |
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private function numberInvitations($courseId, $studentNumber) |
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{ |
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return Invitation::where([ |
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['course_id', '=', $courseId], |
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['student_number', '=', $studentNumber], |
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]) |
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->count(); |
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} |
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} |
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