IMMREX7

<?php

namespace App\Http\Controllers\School\Exam;

use Illuminate\Http\Request;
use App\Http\Controllers\School\SchoolController;
use DB;
use Auth;
use Session;

class ExamQuizController extends SchoolController {

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index() {
        $classes =  ['' => '-- Select Class --'] + \App\ClassM::where('idSchool', '=', Auth::guard('school')->user()->idSchool)
                        ->orderBy('idClass')->get()->pluck('className', 'idClass')->toArray();
        $section =  ['' => '-- Select Section --'] ;               
        $subject =  ['' => '-- Select Subject --'] ; 
        $exams = \App\ExamMcq::join('subjects','exam_mcq.idSubject','subjects.idSubject')
        ->select('exam_mcq.*','subjects.subjectName')
        ->where('exam_mcq.idSchool',Auth::guard('school')->user()->idSchool)->where('exam_mcq.idFinancialYear',Session::get('idFinancialYear'))->get();
        return view('schools.exams.exam_mcq', compact('classes','section','subject','exams'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create() {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
    **/
    public function store(Request $request) {
         $rules = [
            'idClass' => 'required',
            'idSection' => 'required',
            'idSubject' => 'required',
            'totalTime' => 'required',
            'totalMarks' => 'required',
        ];
        if ($request->has('examName')) {
            $rules += ['examName' => 'required'];
        }
        $messages = [
            'examDate.required' => 'Exam Date must be selected',
        ];
        $this->validate($request, $rules, $messages);
        
        $mcq = \App\ExamMcq::where('idClass', $request->idClass)
        ->where('idSection', $request->idSection)
        ->where('examDate', $request->examDate)
        ->first();
        
        if(isset($mcq->idMcq)){
            return response()->json(['errors' => "Two exam cannot be schedule on same time for same class and section"], 422, ['app-status' => 'failed']);
        }
        
        $mcq = new \App\ExamMcq();
        $mcq->idSchool = Auth::guard('school')->user()->idSchool;
        $mcq->idFinancialYear = getFinancialYear();
        $mcq->idClass = $request->idClass;
        if($request->idSection != "all"){
            $mcq->idSection =  $request->idSection;
        }
        $mcq->idSubject =  $request->idSubject;
        $mcq->examName =  $request->examName;
        $mcq->examDate =  \Carbon\Carbon::parse($request->examDate)->format('Y-m-d H:i:s');
        $mcq->examTime =  $request->totalTime;
        $mcq->totalMarks =  $request->totalMarks;
        DB::beginTransaction();
        $mcq->save();
        $marks = 0;
        foreach ($request->mcq as $key => $value) {
            $questions = new \App\ExamQuestions();
            $questions->marks = $value['marks'];
            $questions->questionType = "mcq";
            $questions->idMcq = $mcq->idMcq;
            $marks = $marks + $value['marks'];
            $questions->question = $value['questions'];
            $questions->answerA = $value['opa'];
            if(isset($value['apa']))
            $questions->answerCorrect = 'A';
            $questions->answerB = $value['opb'];
            if(isset($value['apb']))
            $questions->answerCorrect = 'B';
            $questions->answerC = $value['opc'];
            if(isset($value['apc']))
            $questions->answerCorrect = 'C';
            $questions->answerD = $value['opd'];
            if(isset($value['apd']))
            $questions->answerCorrect = 'D';
            $questions->save();
        }
        if( $request->totalMarks != $marks){
            DB::rollback();
            if ($request->ajax()) {
            return response()->json(['errors' => "Marks total is incorrect Expected :".$request->totalMarks." and Total : ".$marks], 422, ['app-status' => 'failed']);
            }
        }
        DB::commit();
        flash('Exam has been saved successfully.');
        if ($request->ajax()) {
            return response()->json(['success' => "SUCCESS"], 200, ['app-status' => 'success']);
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
   */
    public function show($id) {
         $value = \App\ExamMcq::join('subjects','exam_mcq.idSubject','subjects.idSubject')
        ->select('exam_mcq.*','subjects.subjectName')->where('idMcq',$id)->first();
         $questions = \App\ExamQuestions::where('idMcq',$value->idMcq)->get();
        return view('schools.exams.exam_mcq_view', compact('value','questions'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response**/
    
    public function edit($id) {
        $templates = DB::table('exam_template')->join('exam_types', 'exam_template.idExamType', '=', 'exam_types.idExamType')
            ->select('exam_template.*', 'exam_types.typeName')
            ->where('exam_template.idSchool', '=', Auth::guard('school')->user()->idSchool)
            ->orderBy('idTemplate', 'desc')->get();

        $types = \App\ExamType::where('idSchool', '=', Auth::guard('school')->user()->idSchool)
                        ->orderBy('idExamType', 'desc')->get()->pluck('typeName', 'idExamType')->toArray();
        $classes = ['' => '--Select--'] + \App\ClassM::where('idSchool', '=', Auth::guard('school')->user()->idSchool)
                        ->orderBy('idClass')->get()->pluck('className', 'idClass')->toArray();
        $sizes = ['' => '--Select--','A2'=>'A2','A3'=>'A3','A4'=>'A4','A5'=>'A5','custom'=>'Custom'];
        $template = \App\ExamTemplate::where('idTemplate','=',$id)->first();
        return view('schools.exams.exam_template', compact('templates', 'classes', 'types','template','sizes'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response**/
    
    public function update(Request $request, $id) {
        $template = \App\ExamTemplate::findOrfail($id);
        $template->fill($request->all());
        $template->update();
        return redirect('school/examtemplates');
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
    */
    public function destroy($id) {
        $template = \App\ExamMcq::findOrfail($id);
        $questions = \App\ExamQuestions::where('idMcq',$template->idMcq)->delete();
        $template->delete();
        return response()->json(['success' => "SUCCESS"], 200, ['app-status' => 'success']);
    }
 
}