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Current File : /var/www/html/LLCF-APP/app/Http/Controllers/Admin/VtcAttendenceController.php

<?php

namespace App\Http\Controllers\Admin;

use Illuminate\View\View;
use App\Models\VtcStudent;
use Illuminate\Http\Request;
use App\Models\VtcAttendence;
use Barryvdh\DomPDF\Facade\Pdf;
use App\Http\Controllers\Controller;
use Maatwebsite\Excel\Facades\Excel;
use App\Exports\VtcAttendenceExport;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Session;
use App\Http\Requests\VtcAttendenceRequest;
use Symfony\Component\HttpFoundation\StreamedResponse;

class VtcAttendenceController extends Controller
{
    public function index(Request $request): View
    {
        $query = VtcAttendence::with('vtcStudent');

        if ($request->filled('vtc_student_id')) {
            $query->where('vtc_student_id', $request->vtc_student_id);
        }

        if ($request->filled('date')) {
            $query->whereDate('date', $request->date);
        }

        $attendances = $query->orderByDesc('date')->paginate(10)->withQueryString();
        $students = VtcStudent::select('id', 'name', 'gr_no')->orderBy('name')->get();

        return view('admin.vtc_attendance.index', compact('attendances', 'students'));
    }

    public function create(): View
    {
        $students = VtcStudent::select('id', 'name', 'gr_no')->orderBy('name')->get();
        return view('admin.vtc_attendance.create', compact('students'));
    }

    public function store(VtcAttendenceRequest $request): RedirectResponse
    {
        $validated = $request->validated();

        VtcAttendence::create($validated);
        Session::flash('msg.success', 'VTC attendance record created successfully.');
        return redirect()->route('admin.vtc_attendance.index');
    }

    public function edit(int $id): View
    {
        $attendance = VtcAttendence::whereId($id)->firstOrFail();

        $students = VtcStudent::select('id', 'name', 'gr_no')->orderBy('name')->get();

        return view('admin.vtc_attendance.edit', compact('attendance', 'students'));
    }

    public function update(int $id, VtcAttendenceRequest $request): RedirectResponse
    {
        $validated = $request->validated();

        $attendance = VtcAttendence::whereId($id)->firstOrFail();
        $attendance->update([
            'attendence' => $validated['attendence']
        ]);

        Session::flash('msg.success', 'VTC attendance record updated successfully.');
        return redirect()->route('admin.vtc_attendance.index');
    }

    public function destroy(int $id): RedirectResponse
    {
        $attendance = VtcAttendence::whereId($id)->firstOrFail();
        $attendance->delete();

        Session::flash('msg.success', 'VTC attendance record deleted successfully.');
        return redirect()->route('admin.vtc_attendance.index');
    }

    public function exportPdf(Request $request)
    {
        $query = VtcAttendence::with('vtcStudent');

        if ($request->filled('vtc_student_id')) {
            $query->where('vtc_student_id', $request->vtc_student_id);
        }

        if ($request->filled('date')) {
            $query->whereDate('date', $request->date);
        }

        $attendances = $query->orderByDesc('date')->get();

        $pdf = Pdf::loadView('admin.vtc_attendance.exports.pdf', compact('attendances'));
        return $pdf->download('vtc_attendance_' . now()->format('Ymd_His') . '.pdf');
    }

    public function exportCsv(Request $request)
    {
        $query = VtcAttendence::with('vtcStudent');

        if ($request->filled('vtc_student_id')) {
            $query->where('vtc_student_id', $request->vtc_student_id);
        }

        if ($request->filled('date')) {
            $query->whereDate('date', $request->date);
        }

        $attendances = $query->orderByDesc('date')->get();

        $response = new StreamedResponse(function () use ($attendances) {
            $handle = fopen('php://output', 'w');
            fputcsv($handle, ['Student Name', 'GR No', 'Date', 'Attendance']);
            foreach ($attendances as $record) {
                fputcsv($handle, [
                    $record->vtcStudent->name ?? 'N/A',
                    $record->vtcStudent->gr_no ?? 'N/A',
                    $record->date,
                    ucfirst($record->attendence),
                ]);
            }
            fclose($handle);
        });

        $response->headers->set('Content-Type', 'text/csv');
        $response->headers->set('Content-Disposition', 'attachment; filename="vtc_attendance_' . now()->format('Ymd_His') . '.csv"');

        return $response;
    }

    public function exportExcel(Request $request)
    {
        $query = VtcAttendence::with('vtcStudent');

        if ($request->filled('vtc_student_id')) {
            $query->where('vtc_student_id', $request->vtc_student_id);
        }

        if ($request->filled('date')) {
            $query->whereDate('date', $request->date);
        }

        $attendances = $query->orderByDesc('date')->get();

        $filename = 'vtc_attendance_' . now()->format('Ymd_His') . '.xlsx';

        return Excel::download(new VtcAttendenceExport($attendances), $filename);
    }
}