akaunting/app/Http/Controllers/Customers/Invoices.php

<?php

namespace App\Http\Controllers\Customers;

use App\Http\Controllers\Controller;
use App\Http\Requests\Customer\InvoicePayment as PaymentRequest;
use App\Http\Requests\Customer\InvoiceConfirm as ConfirmRequest;
use App\Models\Banking\Account;
use App\Models\Income\Customer;
use App\Models\Income\Invoice;
use App\Models\Income\InvoicePayment;
use App\Models\Income\InvoiceHistory;
use App\Models\Income\InvoiceStatus;
use App\Models\Setting\Category;
use App\Models\Setting\Currency;
use App\Traits\Currencies;
use App\Traits\DateTime;
use App\Traits\Uploads;
use Auth;
use Date;

use App\Events\PaymentGatewayConfirm;

use App\Utilities\Modules;

class Invoices extends Controller
{
    use DateTime, Currencies, Uploads;

    /**
     * Display a listing of the resource.
     *
     * @return Response
     */
    public function index()
    {
        $invoices = Invoice::with('status')->where('customer_id', '=', Auth::user()->customer->id)->paginate();

        foreach ($invoices as $invoice) {
            $paid = 0;

            foreach ($invoice->payments as $item) {
                $item->default_currency_code = $invoice->currency_code;

                $paid += $item->getDynamicConvertedAmount();
            }

            $invoice->amount = $invoice->amount - $paid;
        }

        $status = collect(InvoiceStatus::all()->pluck('name', 'code'))
            ->prepend(trans('general.all_type', ['type' => trans_choice('general.statuses', 2)]), '');

        return view('customers.invoices.index', compact('invoices', 'status'));
    }

    /**
     * Show the form for viewing the specified resource.
     *
     * @param  Invoice  $invoice
     *
     * @return Response
     */
    public function show(Invoice $invoice)
    {
        $sub_total = 0;
        $tax_total = 0;
        $paid = 0;

        foreach ($invoice->items as $item) {
            $sub_total += ($item->price * $item->quantity);
            $tax_total += ($item->tax * $item->quantity);
        }

        foreach ($invoice->payments as $item) {
            $item->default_currency_code = $invoice->currency_code;

            $paid += $item->getDynamicConvertedAmount();
        }

        $invoice->sub_total = $sub_total;
        $invoice->tax_total = $tax_total;
        $invoice->paid = $paid;
        $invoice->grand_total = (($sub_total + $tax_total) - $paid);

        $accounts = Account::enabled()->pluck('name', 'id');

        $currencies = Currency::enabled()->pluck('name', 'code')->toArray();

        $account_currency_code = Account::where('id', setting('general.default_account'))->pluck('currency_code')->first();

        $customers = Customer::enabled()->pluck('name', 'id');

        $categories = Category::enabled()->type('income')->pluck('name', 'id');

        $payment_methods = Modules::getPaymentMethods();

        return view('customers.invoices.show', compact('invoice', 'accounts', 'currencies', 'account_currency_code', 'customers', 'categories', 'payment_methods'));
    }

    /**
     * Show the form for viewing the specified resource.
     *
     * @param  int  $invoice_id
     *
     * @return Response
     */
    public function printInvoice(Invoice $invoice)
    {
        $sub_total = 0;
        $tax_total = 0;
        $paid = 0;

        foreach ($invoice->items as $item) {
            $sub_total += ($item->price * $item->quantity);
            $tax_total += ($item->tax * $item->quantity);
        }

        foreach ($invoice->payments as $item) {
            $item->default_currency_code = $invoice->currency_code;

            $paid += $item->getDynamicConvertedAmount();
        }

        $invoice->sub_total = $sub_total;
        $invoice->tax_total = $tax_total;
        $invoice->paid = $paid;
        $invoice->grand_total = (($sub_total + $tax_total) - $paid);

        return view('customers.invoices.invoice', compact('invoice'));
    }

    /**
     * Show the form for viewing the specified resource.
     *
     * @param  int  $invoice_id
     *
     * @return Response
     */
    public function pdfInvoice(Invoice $invoice)
    {
        $sub_total = 0;
        $tax_total = 0;
        $paid = 0;

        foreach ($invoice->items as $item) {
            $sub_total += ($item->price * $item->quantity);
            $tax_total += ($item->tax * $item->quantity);
        }

        foreach ($invoice->payments as $item) {
            $item->default_currency_code = $invoice->currency_code;

            $paid += $item->getDynamicConvertedAmount();
        }

        $invoice->sub_total = $sub_total;
        $invoice->tax_total = $tax_total;
        $invoice->paid = $paid;
        $invoice->grand_total = (($sub_total + $tax_total) - $paid);

        $html = view('incomes.invoices.invoice', compact('invoice'))->render();

        $pdf = \App::make('dompdf.wrapper');
        $pdf->loadHTML($html);

        $file_name = 'invoice_'.time().'.pdf';

        return $pdf->download($file_name);
    }

    /**
     * Show the form for viewing the specified resource.
     *
     * @param  PaymentRequest  $request
     *
     * @return Response
     */
    public function payment(Invoice $invoice, PaymentRequest $request)
    {
        if (!$invoice) {
            return response()->json([
                'error' => trans('You can not pay this invoice. Because it is not yours')
            ]);
        }

        // Fire the event to extend the menu
        $responses = event(new PaymentGatewayConfirm($request['payment_method'], $invoice));

        $result = [
            'name' => null,
            'code' => null,
            'description' => null,
            'redirect' => false,
            'html' => null,
        ];

        foreach ($responses as $response) {
            if ($response) {
                $result =  $response;
            }
        }

        return response()->json($result);
    }

    public function confirm(Invoice $invoice, ConfirmRequest $request)
    {
        $request['invoice_id'] = $invoice->id;
        $request['account_id'] = setting('general.default_account');

        if (!isset($request['amount'])) {
            $request['amount'] = $invoice->amount;
        }

        $request['currency_code'] = $invoice->currency_code;
        $request['currency_rate'] = $invoice->currency_rate;

        $request['paid_at'] = Date::parse('now')->format('Y-m-d');

        if ($request['amount'] > $invoice->amount) {
            $message = trans('messages.error.added', ['type' => trans_choice('general.payment', 1)]);

            return response()->json($message);
        } elseif ($request['amount'] == $invoice->amount) {
            $invoice->invoice_status_code = 'paid';
        } else {
            $invoice->invoice_status_code = 'partial';
        }

        $invoice->save();

        InvoicePayment::create($request->input());

        $request['status_code'] = $invoice->invoice_status_code;

        $request['notify'] = 0;

        $desc_date = Date::parse($request['paid_at'])->format($this->getCompanyDateFormat());

        $desc_amount = money((float) $request['amount'], $request['currency_code'], true)->format();

        $request['description'] = $desc_date . ' ' . $desc_amount;

        InvoiceHistory::create($request->input());

        return response()->json([
            'success' => true,
        ]);
    }
}