shipping-portal/app/Http/Controllers/Reports/MonthlyReportController.php

<?php

namespace App\Http\Controllers\Reports;

use App\Classes\ValueObjects\Constants\HttpStatus;
use App\Classes\ValueObjects\Response\ApiResponseObject;
use App\Models\Container;
use App\Models\Order;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class MonthlyReportController
{
    public function report(Request $request): JsonResponse {
        $containers = Container::whereMonth('loading_date', '=', '09')->whereYear('loading_date', '=', '2021')->orderBy('loading_date')->get();

        $total = 0;
        $customers = collect();

        foreach ($containers as $container){
            foreach($container->packingLists as $packingList){
                $cbm = $packingList->packages->sum(function ($package){
                    return (( (float) $package->width / 100) * ( (float) $package->length / 100) * ( (float) $package->height / 100)) * $package->quantity;
                });

                $total += $cbm;
                $marking = $packingList->owner->companyModule->inviters()->withPivot('invitee_reference')->first()->pivot->invitee_reference;
                if(!$customers->has($marking)){
                    $customers->put($marking, collect([
                        'cbm' => $cbm,
                        'orders' => 1,
                        'packages' => $packingList->packages->sum('quantity')
                    ]));

                    continue;
                }

                $customers[$marking]['cbm'] += $cbm;
                $customers[$marking]['orders'] += 1;
                $customers[$marking]['packages'] += $packingList->packages->sum('quantity');
            }
        }

        $activeOrders = $customers->sum(function($customer){
            return $customer['orders'];
        });
        return (new ApiResponseObject('fetch monthly report Successful',
            '',
            HttpStatus::OK_WITH_MESSAGE, ['data' => [
                'containers' => count($containers),
                'activated_orders' => $activeOrders,
                'active_customers' => count($customers),
                'total_cbm' => $customers->sum(function($customer){
                    return $customer['cbm'];
                }),
                'packages' => $customers->sum(function($customer){
                    return $customer['packages'];
                }),
                'total_orders' => Order::whereMonth('created_at', 9)->whereHas('packingLists')->count()
            ]]))->handler();
    }
}