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<?php
namespace App\Http\Controllers\Instructor;
use App\Http\Controllers\Controller;
use App\Models\Course;
use App\Models\Exam;
use App\Models\Question;
use App\Models\Question_option;
use App\Tools\Repositories\Crud;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
class ExamController extends Controller
{
protected $model;
protected $courseModel;
protected $questionModel;
public function __construct(Exam $exam, Course $course, Question $question)
{
$this->model = new Crud($exam);
$this->courseModel = new Crud($course);
$this->questionModel = new Crud($question);
}
public function index($course_uuid)
{
$data['title'] = 'Quiz List';
$data['course'] = $this->courseModel->getRecordByUuid($course_uuid);
$data['exams'] = Exam::where('course_id', $data['course']->id)->get();
$data['navCourseActiveClass'] = 'active';
return view('instructor.course.exam.index', $data);
}
public function create($course_uuid)
{
$data['title'] = 'Create New Quiz';
$data['navCourseActiveClass'] = 'active';
$data['course'] = $this->courseModel->getRecordByUuid($course_uuid);
return view('instructor.course.exam.create', $data);
}
public function store(Request $request, $course_uuid)
{
$course = $this->courseModel->getRecordByUuid($course_uuid);
$data = [
'course_id' => $course->id,
'name' => $request->name,
'marks_per_question' => $request->marks_per_question,
'duration' => $request->duration,
'type' => $request->type
];
$exam = $this->model->create($data);
return redirect(route('exam.question', [$exam->uuid]));
}
public function edit($uuid)
{
$data['title'] = 'Edit Quiz';
$data['navCourseActiveClass'] = 'active';
$data['exam'] = $this->model->getRecordByUuid($uuid);
return view('instructor.course.exam.edit', $data);
}
public function update(Request $request, $uuid)
{
$data = [
'name' => $request->name,
'marks_per_question' => $request->marks_per_question,
'duration' => $request->duration,
'type' => $request->type
];
$exam = $this->model->updateByUuid($data, $uuid);
toastrMessage('success', 'Quiz has been updated');
return redirect()->back();
}
public function view($uuid)
{
$data['title'] = 'View Quiz';
$data['navCourseActiveClass'] = 'active';
$data['exam'] = $this->model->getRecordByUuid($uuid);
if ($data['exam']->type == 'true_false')
{
return view('instructor.course.exam.view-true-false', $data);
} else {
return view('instructor.course.exam.view-multiple-choice', $data);
}
}
public function statusChange($uuid, $status)
{
$exam = $this->model->getRecordByUuid($uuid);
$exam->status = $status;
$exam->save();
toastrMessage('success', 'Status has been changed');
return redirect()->back();
}
public function delete($uuid)
{
$exam = $this->model->getRecordByUuid($uuid);
foreach ($exam->questions as $question)
{
Question_option::where('question_id', $question->id)->delete();
$question->delete();
}
$exam->delete();
toastrMessage('error', 'Quiz has been deleted');
return redirect()->back();
}
public function question($uuid)
{
$data['title'] = 'Add Question';
$data['navCourseActiveClass'] = 'active';
$data['exam'] = $this->model->getRecordByUuid($uuid);
if ($data['exam']->type == 'true_false')
{
return view('instructor.course.exam.question.true-false', $data);
} else {
return view('instructor.course.exam.question.multiple-choice', $data);
}
}
public function saveMcqQuestion(Request $request, $uuid)
{
$exam = $this->model->getRecordByUuid($uuid);
$question = new Question();
$question->name = $request->name;
$question->exam_id = $exam->id;
$question->save();
/** save option */
foreach ($request->options as $key => $option)
{
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $option;
if ($key == $request->is_correct_answer[0])
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
}
switch ($request) {
case $request->has('save_and_add'):
toastrMessage('success', 'Question has been saved');
return redirect(route('exam.question', [$exam->uuid]));
break;
default :
toastrMessage('success', 'Question has been saved');
return redirect()->route('exam.view', [$exam->uuid]);
}
}
public function bulkUploadMcq(Request $request, $uuid)
{
$exam = $this->model->getRecordByUuid($uuid);
try {
if($request->has('question_file'))
{
$filename=$_FILES["question_file"]["tmp_name"];
$file = fopen($filename, "r");
$i=0;
while (($getData = fgetcsv($file, 10000, ",")) !== FALSE)
{
if ($i > 0)
{
$question = new Question();
$question->name = $getData[0]; // question
$question->exam_id = $exam->id;
$question->save();
/** @var $question_option 1 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $getData[1];
if ($getData[5] == 'option_1')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
/** @var $question_option 2 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $getData[2];
if ($getData[5] == 'option_2')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
/** @var $question_option 3 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $getData[3];
if ($getData[5] == 'option_3')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
/** @var $question_option 4 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $getData[4];
if ($getData[5] == 'option_4')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
}
$i++;
}
fclose($file);
toastrMessage('success', 'Questions has been uploaded');
return redirect()->route('exam.view', [$exam->uuid]);
}
} catch (\Exception $exception) {
toastrMessage('error', 'Something went wrong');
return redirect()->back();
}
}
public function editMcq($question_uuid)
{
$data['title'] = 'Edit MCQ';
$data['question'] = $this->questionModel->getRecordByUuid($question_uuid);
$data['exam'] = $data['question']->exam;
return view('instructor.course.exam.question.edit-mcq', $data);
}
public function updateMcqQuestion(Request $request, $question_uuid)
{
$question = $this->questionModel->getRecordByUuid($question_uuid);
$question->name = $request->name;
$question->save();
/** save option */
Question_option::where('question_id', $question->id)->delete();
foreach ($request->options as $key => $option)
{
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = $option;
if ($key == $request->is_correct_answer[0])
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
}
toastrMessage('success', 'MCQ has been updated');
return redirect()->route('exam.view', [$question->exam->uuid]);
}
public function saveTrueFalseQuestion(Request $request, $uuid)
{
$exam = $this->model->getRecordByUuid($uuid);
$question = new Question();
$question->name = $request->name;
$question->exam_id = $exam->id;
$question->save();
/** save option */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'True';
$question_option->is_correct_answer = $request->is_correct_answer == 1 ? 'yes' : 'no';
$question_option->save();
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'False';
$question_option->is_correct_answer = $request->is_correct_answer == '0' ? 'yes' : 'no';
$question_option->save();
switch ($request) {
case $request->has('save_and_add'):
toastrMessage('success', 'Question has been saved');
return redirect(route('exam.question', [$exam->uuid]));
break;
default :
toastrMessage('success', 'Question has been saved');
return redirect()->route('exam.view', [$exam->uuid]);
}
}
public function bulkUploadTrueFalse(Request $request, $uuid)
{
$exam = $this->model->getRecordByUuid($uuid);
try {
if($request->has('question_file'))
{
$filename=$_FILES["question_file"]["tmp_name"];
$file = fopen($filename, "r");
$i=0;
while (($getData = fgetcsv($file, 10000, ",")) !== FALSE)
{
if ($i > 0)
{
$question = new Question();
$question->name = $getData[0]; // question
$question->exam_id = $exam->id;
$question->save();
/** @var $question_option 1 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'True';
if ($getData[3] == 'option_1')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
/** @var $question_option 2 */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'False';
if ($getData[3] == 'option_2')
{
$question_option->is_correct_answer = 'yes';
}
$question_option->save();
}
$i++;
}
fclose($file);
toastrMessage('success', 'Questions has been uploaded');
return redirect()->route('exam.view', [$exam->uuid]);
}
} catch (\Exception $exception) {
toastrMessage('error', 'Something went wrong');
return redirect()->back();
}
}
public function editTrueFalse($question_uuid)
{
$data['title'] = 'Edit True False';
$data['question'] = $this->questionModel->getRecordByUuid($question_uuid);
$data['exam'] = $data['question']->exam;
return view('instructor.course.exam.question.edit-true-false', $data);
}
public function updateTrueFalseQuestion(Request $request, $question_uuid)
{
$question = $this->questionModel->getRecordByUuid($question_uuid);
$question->name = $request->name;
$question->save();
/** save option */
Question_option::where('question_id', $question->id)->delete();
/** save option */
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'True';
$question_option->is_correct_answer = $request->is_correct_answer == 1 ? 'yes' : 'no';
$question_option->save();
$question_option = new Question_option();
$question_option->question_id = $question->id;
$question_option->name = 'False';
$question_option->is_correct_answer = $request->is_correct_answer == '0' ? 'yes' : 'no';
$question_option->save();
toastrMessage('success', 'Question has been updated');
return redirect()->route('exam.view', [$question->exam->uuid]);
}
public function deleteQuestion($question_uuid)
{
$question = $this->questionModel->getRecordByUuid($question_uuid);
/** save option */
Question_option::where('question_id', $question->id)->delete();
$question->delete();
return redirect()->back();
}
}