portal-api/app/Http/Controllers/admin/InvoiceController.php

<?php

namespace App\Http\Controllers\admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\InvoiceRequest;
use App\Models\Customer;
use App\Models\Payment;
use App\Repositories\Invoice\InvoiceRepositoryInterface;
use App\Repositories\Order\OrderRepositoryInterface;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Yajra\DataTables\Facades\DataTables;

class InvoiceController extends Controller
{
    public function __construct(
        public InvoiceRepositoryInterface $invoiceRepository,
        public OrderRepositoryInterface $orderRepository
    ) {}

    public function index(Request $request)
    {

        $invoices = $this->invoiceRepository->filter(
            $request->merge(['page' => $request->get('page') ?? 1])->all(),
            [
                'payment',
                'customer'
            ]
        );
        $title = 'List all invoices';

        return view('administrator.pages.invoice.index', compact('title', 'invoices'));
    }

    public function create()
    {
        $title = 'Add new Invoice';
        $customer = Customer::select('id', 'fullname')->where('status', 1)->get();
        $payment = Payment::select('id', 'name')->where('status', 1)->get();

        return view('administrator.pages.invoice.add', compact('title', 'customer', 'payment'));
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'customer_id' => 'required|numeric',
            'payment_method' => 'required|numeric',
            'sub_total' => 'required|numeric',
            'total' => 'required|numeric',
        ]);

        $invoiceData = [
            'date' => time(),
            'due_date' => time() + (7 * 24 * 60 * 60),
            'sub_total' => $validated['sub_total'],
            'tax' => $validated['sub_total'] * 0.1,
            'total' => $validated['total'],
            'payment_method' => $validated['payment_method'],
            'customer_id' => $validated['customer_id'],
            'status' => 0,
        ];

        DB::beginTransaction();
        try {
            $invoice = $this->invoiceRepository->create($invoiceData);
            DB::commit();
            return redirect()->route('administrator.pages.invoice.edit', ['id' => $invoice->id])->with('success', 'Invoice created successfully');
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }
    }

    public function edit(int $id = 0)
    {
        $invoice = $this->invoiceRepository->findWithRelationships($id, ['payment', 'invoiceItem', 'customer']);

        if (!$invoice) {
            return back()->withErrors("Can't find Invoice by ID #" . $id);
        }

        $title = "View invoice #" .  $id;

        return view("administrator.pages.invoice.edit", compact('title', 'invoice'));
    }

    public function update(InvoiceRequest $request, int $id = 0)
    {

        $invoice = $this->invoiceRepository->find($id);
        if (!$invoice) {
            return back()->withErrors("Invalid request");
        }
        $request->validated();

        $status = match (strtolower($request->get('action'))) {
            "paid" => 1,
            "cancel" => 2,
            default => 0
        };

        DB::beginTransaction();
        try {

            $this->invoiceRepository->update($id, [
                'status' => $status,
                'date_paid' => $status === 1 ? time() : null
            ]);

            DB::commit();
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }
        return back()->with('success', "Updated Successfully");
    }

    public function destroy(int $id = 0)
    {

        $invoice = $this->invoiceRepository->find($id);
        if (!$invoice) {
            return back()->withErrors("Invalid request");
        }

        DB::beginTransaction();
        try {

            $this->orderRepository->updateBy('invoice_id', $id, ['invoice_id' => 0]);
            $this->invoiceRepository->delete($id);
            DB::commit();
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }

        return redirect()->route('administrator.pages.invoice.index')->with('success', 'Invoice deleted successfully');
    }

    public function datatable(Request $request)
    {
        $query = $this->invoiceRepository->filter(
            $request->all(),
            ['payment', 'customer'],
            [],
            ['*'],
            true
        );

        return DataTables::eloquent($query)
            ->addColumn('invoice_num', function ($d) {
                return view('administrator.pages.invoice.datatable.invoice_num', ['row' => $d])->render();
            })
            ->addColumn('date', function ($d) {
                return view('administrator.pages.invoice.datatable.date', ['row' => $d])->render();
            })
            ->addColumn('customer', function ($d) {
                return view('administrator.pages.invoice.datatable.customer', ['row' => $d])->render();
            })
            ->addColumn('payment', function ($d) {
                return view('administrator.pages.invoice.datatable.payment', ['row' => $d])->render();
            })
            ->addColumn('total', function ($d) {
                return view('administrator.pages.invoice.datatable.total', ['row' => $d])->render();
            })
            ->addColumn('status', function ($d) {
                return view('administrator.pages.invoice.datatable.status', ['row' => $d])->render();
            })
            ->addColumn('action', function ($d) {
                return view('administrator.pages.invoice.datatable.action', ['row' => $d])->render();
            })
            ->rawColumns(['invoice_num', 'date', 'customer', 'payment', 'total', 'status', 'action'])
            ->make(true);
    }
}