IMMREX7

<?php

namespace App\Http\Controllers\Teacher;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Auth;
use DB;
use Carbon\Carbon;
use Session;

class HomeworkController extends TeacherController {

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request) {
        $today_date = Carbon::today()->format('Y-m-d');
        if ($request->has('fromDate') && $request->fromDate != null) {
            $from_date = Carbon::createFromFormat('d-m-Y', $request->fromDate);
        }
        if ($request->has('toDate') && $request->toDate != null) {
            $to_date = Carbon::createFromFormat('d-m-Y', $request->toDate);
        }
        $teacher = \App\Teacher::where('idEmployee', '=', Auth::guard('teacher')->user()->idEmployee)->first();
        $school = \App\School::where('idSchool','=',$teacher->idSchool)->first();
        $classes = DB::table('teacher_classes')
                        ->join('classes', 'teacher_classes.idClass', '=', 'classes.idClass')
                        ->where('idFinancialYear','=', Session::get('idFinancialYear'))
                        ->where('idEmployee', '=', $teacher->idEmployee)
                        ->orderBy('classes.idClass')->get()->pluck('className', 'idClass')->toArray();            
        $classes = ['' => '--Select Class --'] + $classes;
        $homeworks = \App\Homework::where('idSchool', '=', $teacher->idSchool)
                ->where('idFinancialYear','=', Session::get('idFinancialYear'))
                ->orderBy('idHomework', 'desc');
        if ($request->toDate != null && $request->fromDate != null) {
            $homeworks = $homeworks->whereBetween('created_at', [$from_date->format('Y-m-d') . " 00:00:00", $to_date->format('Y-m-d') . " 23:59:59"])->paginate(200);
        } else if ($request->has('fromDate') && $request->fromDate != null) {
            $homeworks = $homeworks->whereBetween('created_at', [$from_date->format('Y-m-d') . " 00:00:00", $today_date . " 23:59:59"])->paginate(200);
        } else if ($request->has('toDate') && $request->toDate != null) {
            $homeworks = $homeworks->whereDate('created_at', '<=', $to_date)->paginate(200);
        } else {
            $homeworks = $homeworks->paginate(200);
        }
        return view('teachers.homework', compact('classes', 'homeworks','school'));
    }

    /**
     * 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) {
        $rules = [
            'idClass' => 'required',
            'subject' => 'required|max:120',
            'homework' => 'required|max:500'
        ];
        if ($request->has('schedule')) {
            $rules += ['publishDate' => 'required'];
        }
        if (count($request->sections) == 0) {
            $rules += ['idSection' => 'required'];
        }
        $messages = [
            'idClass.required' => 'Class must be selected.',
            'idSection.required' => 'Section must be selected.'
        ];
        $this->Validate($request, $rules, $messages);
        $teacher = \App\Teacher::where('idEmployee', '=', Auth::guard('teacher')->user()->idEmployee)->first();
        if (!empty($request->students)) {
            foreach ($request->students as $key => $value) {
                $std = \App\AdmEntry::where('idStudent', '=', $value)->first();
                $homework = new \App\Homework();
                $homework->fill($request->all());
                $homework->idStudent = $value;
                $homework->idSection = $std->idSection;
                $homework->idSchool = $teacher->idSchool;
                $homework->idFinancialYear = Session::get('idFinancialYear');
                if ($request->has('schedule')) {
                    $homework->isPublished = 'N';
                } else {
                    $homework->publishDate = today_date();
                    $homework->isPublished = 'Y';
                }
                DB::beginTransaction();
                $homework->save();
                if ($request->hasFile('homeworkFile')) {
                    $hw = 'homework_' . $homework->idHomework . '.' . $request->file('homeworkFile')->getClientOriginalExtension();
                    $request->file('homeworkFile')->storeAs('public/schools/' . $teacher->idSchool . '/homeworks/', $hw);
                    $homework->homeworkFile = $hw;
                }
                $homework->total_student = 1;     
                $homework->update();
                DB::commit();
            }
        } else {
            foreach ($request->sections as $key1 => $value1) {
                $homework = new \App\Homework();
                $homework->fill($request->all());
                $homework->idSection = $value1;
                $homework->idSchool = $teacher->idSchool;
                $homework->idFinancialYear = Session::get('idFinancialYear');
                if ($request->has('schedule')) {
                    $homework->isPublished = 'N';
                } else {
                    $homework->publishDate = today_date();
                    $homework->isPublished = 'Y';
                }
                DB::beginTransaction();
                $homework->save();
                if ($request->hasFile('homeworkFile')) {
                    $hw = 'homework_' . $homework->idHomework . '.' . $request->file('homeworkFile')->getClientOriginalExtension();
                    $request->file('homeworkFile')->storeAs('public/schools/' . $teacher->idSchool . '/homeworks/', $hw);
                    $homework->homeworkFile = $hw;
                }
                $totalStudents = DB::table('students')
                        ->where('students.idSection', $value1)
                        ->where('students.idClass', $request->idClass)
                        ->where('students.idFinancialYear', Session::get('idFinancialYear'))
                        ->count();    
                $homework->total_student = $totalStudents;     
                $homework->update();
                DB::commit();
            }
        }
        if ($request->ajax()) {
            return response()->json(['success' => "SUCCESS"], 200, ['app-status' => 'success']);
        }
        return redirect('teacher/homeworks');
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id) {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id) {
        $teacher = \App\Teacher::where('idEmployee', '=', Auth::guard('teacher')->user()->idEmployee)->first();
        $school = \App\School::where('idSchool','=',$teacher->idSchool)->first();
        $classes = DB::table('teacher_classes')
                        ->join('classes', 'teacher_classes.idClass', '=', 'classes.idClass')
                        ->where('idFinancialYear','=', Session::get('idFinancialYear'))
                        ->where('idEmployee', '=', $teacher->idEmployee)
                        ->orderBy('classes.idClass')->get()->pluck('className', 'idClass')->toArray();
        $classes = ['' => '--Select Class --'] + $classes;
        $homeworks = \App\Homework::where('idSchool', '=', $teacher->idSchool)
                ->where('idFinancialYear','=', Session::get('idFinancialYear'))
                ->orderBy('idHomework', 'desc')->get();
        $homework = \App\Homework::findOrFail($id);
        $section = \App\Section::where('idSection', '=', $homework->idSection)->get()->pluck('sectionName', 'idSection')->toArray();
        $student = \App\AdmEntry::where('idStudent', '=', $homework->idStudent)->get()->pluck('name', 'idStudent')->toArray();
        return view('teachers.homework', compact('classes', 'homeworks', 'homework', 'section', 'student','school'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id) {
        $rules = [
            'idClass' => 'required',
            'subject' => 'required|max:120',
            'homework' => 'required|max:500'
        ];
        if (count($request->sections) == 0) {
            $rules += ['idSection' => 'required'];
        }
        $messages = [
            'idClass.required' => 'Class must be selected.',
            'idSection.required' => 'Section must be selected.'
        ];
        $this->Validate($request, $rules, $messages);
        $teacher = \App\Teacher::where('idEmployee', '=', Auth::guard('teacher')->user()->idEmployee)->first();
        $homework = \App\Homework::findOrFail($id);
        $homework->fill($request->all());
        if ($request->hasFile('homeworkFile')) {
            $hw = 'homework_' . $homework->idHomework . '.' . $request->file('homeworkFile')->getClientOriginalExtension();
            $request->file('homeworkFile')->storeAs('public/schools/' . $teacher->idSchool . '/homeworks/', $hw);
            $homework->homeworkFile = $hw;
        }
        $homework->update();

        return redirect('teacher/homeworks');
    }

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

    public function viewHomeworkDoc($id) {
        $homework = \App\Homework::findOrFail($id);
        $path = storage_path('app/public/schools/' . $homework->idSchool . '/homeworks/' . $homework->homeworkFile);
        return response()->file($path);
    }

    public function getSections($id) {
        $teacher = \App\Teacher::where('idEmployee', '=', Auth::guard('teacher')->user()->idEmployee)->first();
        $sections = DB::table('teacher_classes')
                        ->join('sections', 'teacher_classes.idSection', '=', 'sections.idSection')
                        ->where('teacher_classes.idClass', '=', $id)
                        ->orderBy('sections.idSection')->get()->pluck('sectionName', 'idSection')->toArray();
        return json_encode($sections);
    }

    public function getSectionsStudents($id) {
        $sections_ids = array_map('intval', explode(',', $id));
        $students = \App\AdmEntry::whereIn('idSection', $sections_ids)->get()->pluck('name', 'idStudent')->toArray();
        return json_encode($students);       
    }

}