ldc-legaulois/app/Http/Controllers/Bo/TraceabilityController.php

<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\Traceability;
use Carbon\Carbon;

class TraceabilityController extends Controller
{
    private $responseType = [1 => "Produit trouvé", 2 => "Produit non trouvé", 3 => "Produit élaboré", 4 => "Eleveur non trouvé", 5 => "CP Eleveur manquant"];

    public function index() {
        $t = Traceability::orderBy('created_at', 'DESC')->paginate(40);
        $c = $this->countRequest();
        $dateDebut = null;
        $dateFin = null;
        return view('bo.traceability.index', compact('t', 'c', 'dateDebut', 'dateFin'))->with('responseType', $this->responseType);
    }

    public function filter(Request $request) {
        $dateDebut = $request->date_debut;
        $dateFin = $request->date_fin;
        $cDateDebut = null;
        $cDateFin = null;

        if ($dateDebut !== null)
            $cDateDebut = Carbon::createFromFormat('Y-m-d', $dateDebut);
        if ($dateFin !== null)
            $cDateFin = Carbon::createFromFormat('Y-m-d', $dateFin);

        if ($dateDebut !== null && $dateFin !== null) {
            $t = Traceability::whereBetween('created_at', [$cDateDebut, $cDateFin])->paginate(40);
        } elseif ($dateDebut !== null) {
            $t = Traceability::whereDate('created_at', '>=', $cDateDebut)->paginate(40);
        } elseif ($dateFin !== null) {
            $t = Traceability::whereDate('created_at', '<=', $cDateFin)->paginate(40);
        } else {
            $t = Traceability::all();
        }

        $c = $this->countRequest();

        return view('bo.traceability.index', compact('t', 'c', 'dateDebut', 'dateFin'))->with('responseType', $this->responseType);
    }

    public function countRequest() {
        $counts = [];

        $counts[1] = Traceability::where('response_type', 1)->count();
        $counts[2] = Traceability::where('response_type', 2)->count();
        $counts[3] = Traceability::where('response_type', 3)->count();
        $counts[4] = Traceability::where('response_type', 4)->count();
        $counts[5] = Traceability::where('response_type', 5)->count();

        return $counts;
    }
}