ldc-gen-game-web/app/Http/Controllers/Bo/DashboardController.php

<?php

declare(strict_types=1);

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Models\Participation;
use App\Models\Settings;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Date;
use Illuminate\Support\Facades\DB;

class DashboardController extends Controller
{
    /**
     * Dashboard Page
     */
    public function index(): View
    {
        // * Pour les stats.
        /** @var Settings */
        $settings            = resolve(Settings::class);
        $avgParticipUser     = 0;
        $statsUnique         = [];
        $query               = DB::table(new Participation()->getTable());
        $dateFrmtr           = function (object $row): object {
            $row->date = Date::parse($row->date)->isoFormat('DD/MM/YYYY');

            return $row;
        };

        /** @var Collection<string, object> */
        $participationsPerDay = (clone $query)
            ->selectRaw('COUNT(*) AS count, DATE(created_at) AS date')
            ->groupByRaw('DATE(created_at)')->get()->map($dateFrmtr)->keyBy('date');

        /** @var Collection<object> */
        $participationsUniquePerDay = (clone $query)
            ->selectRaw('DISTINCT customer_id  AS user, COUNT(*) AS count, DATE(created_at) AS date')
            ->groupByRaw('DATE(created_at), user')->get()->map($dateFrmtr);

        /** @var Collection<object> */
        $participationsUniquePerCustomer = (clone $query)
            ->selectRaw('DISTINCT customer_id  AS user, COUNT(*) AS count')
            ->groupBy('user')->orderBy('user')->get();

        $participationsTotal = Participation::query()->count();

        /** @var Collection<object> 3 codes EAN les plus utilisés */
        $codesEan = (clone $query)
            ->selectRaw('COUNT(product_id) AS nb_usage, product_id, ean_code')
            ->join('products', 'product_id', '=', 'products.id')
            ->groupBy('product_id', 'ean_code')
            ->orderByDesc('nb_usage')->limit(3)->get();

        $participationsUniquePerDay->each(function (object $row) use (&$statsUnique): void {
            Arr::set($statsUnique, $row->date, (Arr::get($statsUnique, $row->date) ?? 0) + 1);
        });

        // * Calcul participation moyenne par utilisateur.
        if ($participationsUniquePerCustomer->count() > 0) {
            $avgParticipUser = round($participationsTotal / $participationsUniquePerCustomer->count(), 1);
        }
        now()->lt($settings->end_date) ? now() : $settings->end_date;
        $dates       = $participationsPerDay->keys();
        $count       = $participationsPerDay->pluck('count');
        $countUnique = $dates->map(fn (string $formated_date) => Arr::get($statsUnique, $formated_date, 0));

        /** @var view-string $view */
        $view = 'back::pages.dashboard.index';

        return view($view, [
            'dates'               => $dates,
            'count'               => $count,
            'countUnique'         => $countUnique,
            'participationsTotal' => $participationsTotal,
            'avgParticipUser'     => $avgParticipUser,
            'codesEan'            => $codesEan,
            'settings'            => $settings,
        ]);
    }
}