kulakpos_web/Modules/Business/App/Exports/ExportSupplierLedger.php

<?php

namespace Modules\Business\App\Exports;

use App\Models\Party;
use Illuminate\Contracts\View\View;
use Maatwebsite\Excel\Concerns\FromView;

class ExportSupplierLedger implements FromView
{
    public function view(): View
    {
        $suppliers = Party::with('purchases')
            ->where('business_id', auth()->user()->business_id)
            ->where('type', '=', 'Supplier')
            ->when(request('search'), function ($q) {
                $q->where(function ($q) {
                    $q->where('name', 'like', '%' . request('search') . '%')
                        ->orWhere('phone', 'like', '%' . request('search') . '%')
                        ->orWhere('type', 'like', '%' . request('search') . '%');
                });
            })
            ->latest()
            ->limit(request('per_page') ?? 20)->get();

            $totalAmount = $suppliers->sum(function ($customer) {
                return $customer->purchases?->sum('totalAmount') ?? 0;
            });

            $totalPaid = $suppliers->sum(function ($customer) {
                return $customer->purchases?->sum('paidAmount') ?? 0;
            });

            $totalDue = $suppliers->sum(function ($customer) {
                return $customer->purchases?->sum('dueAmount') ?? 0;
            });

        return view('business::party-reports.supplier-ledger.excel-csv', compact('suppliers', 'totalAmount', 'totalPaid', 'totalDue'));
    }
}