public function index(Request $request)
{
$years = Year::pluck('name', 'id')->toArray();
$semester = semester();
$current_semester_id = $semester->id;
$statuses = ["r" => trans('students::success.repeaters'), 's' => trans('students::success.successful')];
$students = Student::selectRaw('sh2.study_state as shstudy,students.*, GROUP_CONCAT(at.id) AS terms,
GROUP_CONCAT(sh.academycycle_semester_id) AS semesters')->join('student_histories AS sh', function ($join) use($current_semester_id) {
$join->on('sh.student_id', '=', 'students.id')->where('sh.academycycle_semester_id', '<=', $current_semester_id);
})->leftJoin('student_histories AS sh2', function ($join) use($current_semester_id) {
$join->on('sh2.student_id', '=', 'students.id')->where('sh2.academycycle_semester_id', '=', $current_semester_id);
})->join('academystructure_departments AS ad', 'ad.id', '=', 'sh.academystructure_department_id')->join('academystructure_terms AS at', 'at.id', '=', 'ad.term_id')->join('academystructure_years AS ay', 'ay.id', '=', 'at.year_id')->where('students.state', 'active')->whereNotIn('sh2.study_state', ['success', 'fail', 'stop', 'repeat'])->isStudying();
if ($request->has('year')) {
//$students->where('ay.id', $request->input('year'));
}
$students = $students->groupBy('students.id')->paginate(50);
$students->each(function ($student) use($current_semester_id) {
$terms_arr = explode(",", $student->terms);
$sems_arr = explode(",", $student->semesters);
$all_failed_subjects = StudentSubject::groupBy('subject_id')->where(function ($query) {
return $query->orWhere(function ($query) {
return $query->where('state', 'fail')->where('semester_id', '<', semester()->id);
})->orWhere(function ($query) {
return $query->where('state', 'study')->where('semester_id', semester()->id);
});
})->where('student_id', $student->id)->pluck('subject_id')->toArray();
// dd($all_failed_subjects);
$all_passed_subjects = StudentSubject::groupBy('subject_id')->where('state', 'success')->where('student_id', $student->id)->pluck('subject_id')->toArray();
$accumulation_hours = 0;
$term_average = 0;
$accumulation_points = 0;
$terms = collect();
foreach ($terms_arr as $term_id) {
$terms->push(Term::find($term_id));
}
$failed_subjects = [];
$passed_subjects = [];
// beging foreach terms
foreach ($terms as $key => $term) {
$semester_id = $sems_arr[$key];
$term->subjects = StudentSubject::selectRaw("subsub.id as subject_id,SUM(stugr.value) AS subject_points,\n\t\t\t\tstudent_subjects.state as subject_state,subsub.name AS subject_name, subsub.hour AS subject_hours")->join('subject_subjects AS subsub', function ($join) {
$join->on('subsub.id', '=', 'student_subjects.subject_id');
})->where('student_subjects.student_id', $student->id)->leftJoin('student_grades AS stugr', function ($join) use($semester_id, $student) {
$join->on('stugr.subject_id', '=', 'subsub.id')->where('stugr.semester_id', '=', $semester_id)->where('stugr.student_id', '=', $student->id);
})->whereIn('state', ['study', 'success', 'fail'])->where('student_subjects.semester_id', '=', $semester_id)->where('student_subjects.student_id', $student->id)->groupBy('subject_id')->get();
$term->subjects->each(function ($subject) use(&$passed_subjects, &$failed_subjects, $student, $current_semester_id, $semester_id, &$all_failed_subjects, &$all_passed_subjects) {
$subject->details = grade_details($subject->subject_points, $subject->subject_hours);
if ($semester_id == $current_semester_id) {
if ((double) $subject->subject_points < 50) {
$all_failed_subjects[] = $subject->subject_id;
$failed_subjects[] = $subject->subject_id;
} else {
$all_passed_subjects[] = $subject->subject_id;
$passed_subjects[] = $subject->subject_id;
}
}
});
$hours = $term->subjects->sum('subject_hours');
$quran_hours = $term->subjects->sum(function ($s) {
return $s->is_quran ? $s->subject_hours : 0;
});
$points = number_format($term->subjects->sum(function ($subject) {
return $subject->details->points;
}), 2);
$term_average = $hours ? number_format($points / ($hours - $quran_hours), 2) : 0.0;
$student->term_average = $term_average;
$accumulation_points += $points;
$accumulation_hours += $hours - $quran_hours;
if ($key == $terms->count() - 2 && $terms->count() > 1) {
$student->term_previous = $term_average;
$student->accum_previous = $accumulation_hours ? number_format($accumulation_points / $accumulation_hours, 2) : 0;
}
}
// $all_failed_subjects = array_diff($all_failed_subjects, $failed_subjects);
$old_failed_subjects = array_diff(array_unique(array_diff($all_failed_subjects, $failed_subjects)), array_unique($all_passed_subjects));
// dd($failed_subjects);
$student->old_failed_subjects = count($old_failed_subjects);
// end foreach terms
if ($accumulation_hours) {
$student->accumulation_average = number_format($accumulation_points / $accumulation_hours, 2);
}
$student->terms = $terms;
$student->failed = $student->accumulation_average < 1.67 || $student->accum_previous < 2.0 && $student->accum_previous > 1.67 && ($student->accumulation_average < 2.0 && $student->accumulation_average > 1.67);
$student->failed_subjects = count(array_unique($failed_subjects));
$student->passed_subjects = count(array_unique($passed_subjects));
if (semester()->order != 'summer' && count($old_failed_subjects) + count($failed_subjects) >= 4) {
$student->failed = true;
}
if (semester()->order == 'summer') {
$student->failed = false;
}
});
$students = $students->filter(function ($student) use($request) {
return $student->failed == ($request->input('status', 's') == 'r') ? 1 : 0;
});
return view('students::success.index', compact('years', 'students', 'statuses', 'semester'));
}
/**
* Execute the job.
*
* @return void
*/
public function handle()
{
$student = Student::find($this->student_id);
$currentSemester = semester();
$summerSemester = Semester::where('id', '>', $currentSemester->id)->where('order', 'summer')->orderBy('id', 'ASC')->first();
// Log::info($student->id, $currentSemester->id, $summerSemester->id);
if ($student && $currentSemester && $summerSemester) {
$nextSemester = Semester::where('id', '>', $currentSemester->id)->where('order', '!=', 'summer')->orderBy('id', 'ASC')->first();
if (!$nextSemester) {
return false;
}
$current_department_id = $student->academystructure_department_id;
if ($currentSemester->order != 'summer') {
$nextDepartment = Department::where('parent_id', $student->academystructure_department_id)->first();
if ($nextDepartment) {
$student->state = 'active';
$student->study_state = 'success';
$student->academystructure_department_id = $nextDepartment->id;
}
}
$history = StudentHistory::where('student_id', $student->id)->orderBy('id', 'desc')->where('academycycle_semester_id', $currentSemester->id)->first();
if ($history) {
$history->study_state = 'success';
$history->save();
}
if ($student->save()) {
// get current semester subjects and make them fail or success for current semester
$subjects = StudentSubject::selectRaw("subsub.id as subject_id,SUM(stugr.value) AS subject_points,student_subjects.state as subject_state,subsub.name AS subject_name, subsub.hour AS subject_hours")->join('subject_subjects AS subsub', function ($join) {
$join->on('subsub.id', '=', 'student_subjects.subject_id');
})->where('student_subjects.student_id', $student->id)->leftJoin('student_grades AS stugr', function ($join) use($currentSemester, $student) {
$join->on('stugr.subject_id', '=', 'subsub.id')->where('stugr.semester_id', '=', $currentSemester->id)->where('stugr.student_id', '=', $student->id);
})->whereIn('state', ['study'])->where('student_subjects.semester_id', '=', $currentSemester->id)->where('student_subjects.student_id', $student->id)->groupBy('subsub.id')->get();
$failed_subjects_ids = [];
$passed_subjects_ids = [];
foreach ($subjects as $subject) {
if ($subject->subject_points < 50) {
$failed_subjects_ids[] = $subject->subject_id;
} elseif ($subject->subject_points >= 50) {
$passed_subjects_ids[] = $subject->subject_id;
}
}
StudentSubject::where('student_id', $student->id)->whereIn('subject_id', $failed_subjects_ids)->update(['state' => 'fail']);
StudentSubject::where('student_id', $student->id)->whereIn('subject_id', $passed_subjects_ids)->update(['state' => 'success']);
// end success and fail
if ($currentSemester->order != 'summer' && $nextDepartment) {
$next_subject_ids = json_decode($nextDepartment->subject_ids, TRUE);
$equal_subject_ids = EqualSubject::whereHas('order', function ($w) use($student) {
$w->where('student_id', $student->id);
})->pluck('equal_subject_id')->toArray();
$next_subject_study_ids = array_diff($next_subject_ids, $equal_subject_ids);
$next_subject_equal_ids = array_intersect($next_subject_ids, $equal_subject_ids);
$student->subjects()->attach($next_subject_study_ids, ['semester_id' => $nextSemester->id, 'academystructure_department_id' => $nextDepartment->id, 'state' => 'study']);
$student->subjects()->attach($next_subject_equal_ids, ['semester_id' => $nextSemester->id, 'academystructure_department_id' => $nextDepartment->id, 'state' => 'equal']);
$data = ['state' => 'active', 'study_state' => 'active', 'academycycle_semester_id' => $nextSemester->id, 'academystructure_department_id' => $nextDepartment->id];
$student->histories()->create($data);
// create invoice for student
if ($next_subject_equal_ids) {
$item = FinancialInvoiceItem::where('slug', 'study_fee')->first();
$subjects_count = Subject::whereIn('id', $next_subject_equal_ids)->where('is_quran', 0)->count();
$data = ['student_id' => $student->id, 'type' => 'debit', 'item_id' => $item->id, 'pay_type' => NULL, 'semester_id' => $nextSemester->id, 'amount' => $subjects_count * $item->amount];
FinancialInvoice::create($data);
}
}
// move any failed subjects if less than 3 to summer semester
$all_failed_subjects = StudentSubject::groupBy('subject_id')->where('state', 'fail')->pluck('subject_id')->toArray();
$all_passed_subjects = StudentSubject::groupBy('subject_id')->where('state', 'success')->pluck('subject_id')->toArray();
$failed_subjects = array_diff($all_failed_subjects, $all_passed_subjects);
if (COUNT($failed_subjects) <= 3) {
$summerSemester = Semester::where('id', '>', $currentSemester->id)->where('order', 'summer')->orderBy('id', 'ASC')->first();
$student->subjects()->attach($failed_subjects, ['semester_id' => $summerSemester->id, 'academystructure_department_id' => $current_department_id, 'state' => 'study']);
$data = ['state' => 'active', 'study_state' => 'active', 'academycycle_semester_id' => $summerSemester->id, 'academystructure_department_id' => $current_department_id];
$student->histories()->create($data);
}
}
}
}
