public function store(Request $request)
{
$error = 0;
if (!$request->hasFile('answer')) {
$error = 1;
$message = 'لم تقم برفع أي ملف';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
$file = $request->file('answer');
$exam_file = json_decode(file_get_contents($file->getRealPath()));
if (empty($exam_file->exam_id)) {
$error = 1;
$message = 'الملف الذي رفعته غير صحيح';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
if (empty($exam_file->questions) or !is_array($exam_file->questions)) {
$error = 1;
$message = 'لا توجد إجابات بالاختبار الذي رفعته';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
$exam_id = $exam_file->exam_id;
$student_id = $exam_file->student_id;
if (!($exam = Exam::with('questions', 'questions.choices')->find($exam_id))) {
$error = 1;
$message = 'الاختبار الذي تحاول رفع إجابته غير موجود';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
$result_data = ['student_id' => $student_id, 'exam_id' => $exam->id, 'semester_id' => $exam->semester_id];
$grade_per_question = 0.5;
if ($exam->type == 'activity') {
$grade_per_question = round($this->activity_points / $exam->questions->count(), 2);
}
// dd($grade_per_question);
if ($result = ExamResult::firstOrCreate($result_data)) {
$result_answers = [];
$grade = 0.0;
$answers = $exam_file->questions;
foreach ($answers as $answer) {
$result_answer = [];
$result_answer['question_id'] = $answer->question_id;
$result_answer['answer'] = $answer->answer;
$result_answers[] = $result_answer;
}
StudentGrade::where('student_id', $student_id)->where(['ref_key' => 'exam', 'ref_value' => $exam->id])->delete();
$result->answers()->delete();
foreach ($result_answers as $a) {
$result->answers()->create($a);
}
foreach ($exam->questions as $question) {
switch ($question->type) {
case 'true_false':
$true_choice = $question->choices->first(function ($key, $choice) {
return $choice->istrue;
});
$is_true = array_where($answers, function ($key, $answer) use($true_choice) {
return $answer->answer == $true_choice->id;
});
// var_dump($true_choice->toArray());
if (count($is_true)) {
$grade += round($grade_per_question, 2);
}
break;
case 'single_choice':
$true_choice = $question->choices->first(function ($key, $choice) {
return $choice->istrue;
});
$is_true = array_where($answers, function ($key, $answer) use($true_choice) {
return $answer->answer == $true_choice->id;
});
if (count($is_true)) {
$grade += round($grade_per_question, 2);
}
break;
case 'multiple_choice':
$multiple_answer = array_first($answers, function ($key, $answer) use($question) {
return $answer->question_id == $question->id;
});
if ($multiple_answer) {
$all_answers = $multiple_answer ? explode(",", $multiple_answer->answer) : 0;
if (count($all_answers) == $question->choices->count()) {
$grade += "0.00";
} else {
$true_answers = $question->choices->filter(function ($question) {
return $question->istrue;
});
if ($true_answers) {
$true_answers_ids = $true_answers->pluck('id')->toArray();
$intersect = array_intersect($all_answers, $true_answers_ids);
$multichoice_grade = count($intersect) * ($grade_per_question / count($true_answers_ids));
$grade += round($multichoice_grade, 2);
}
}
}
break;
}
}
if ($exam->type == 'activity' && $grade > $this->activity_points) {
$grade = $this->activity_points;
}
$data = ['student_id' => $student_id, 'value' => $grade, 'ref_value' => $exam->id, 'ref_key' => 'exam', 'subject_id' => $exam->subject_id, 'semester_id' => Semester()->id, 'notes' => 'درجة الأنشطة'];
StudentGrade::create($data);
$message = 'تم رفع الإجابة بنجاح';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
} else {
$error = 1;
$message = 'لم يتم حفظ الإجابة!! حدث خلل.';
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
return response()->json(compact('error', 'message'), 200, [], JSON_NUMERIC_CHECK);
}
public function storeresult(Request $request)
{
$value = $request->value;
$student_id = $request->student_id;
$subject_id = $request->subject_id;
$exam_id = $request->exam_id;
$question_id = $request->question_id;
$exam_type = $request->exam_type;
StudentGrade::where('student_id', $student_id)->where(['ref_key' => 'examessay', 'ref_value' => $exam_id])->delete();
DB::table('exam_result_answers')->where('exam_result_id', '=', $exam_id)->where('question_id', '=', $question_id)->delete();
$data = ['student_id' => $student_id, 'value' => $value, 'ref_value' => $exam_id, 'ref_key' => 'examessay', 'subject_id' => $subject_id, 'semester_id' => Semester()->id, 'notes' => 'درجة المقالى'];
StudentGrade::create($data);
DB::table('exam_result_answers')->insert(['exam_result_id' => $exam_id, 'question_id' => $question_id, 'degree' => $value, 'answer' => 'essay']);
return redirect()->route('teachers.profile.students', [$subject_id, $exam_type])->with('success', 'تم حفظ الدرجه بنجاح');
}
