Build the stuff for incoming invoices.

app/Http/Controllers/Api/ExcelController.php

@@ -3,8 +3,10 @@
 namespace App\Http\Controllers\Api;
 
 use App\Http\Controllers\Controller;
+use App\Models\Incoming;
 use App\Models\Invoice;
 use App\Models\Payment;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use PhpOffice\PhpSpreadsheet\Shared\Date;
@@ -31,7 +33,7 @@ class ExcelController extends Controller
         $requestData = $request->validate([
             'from' => 'required|date',
             'end' => 'required|date',
-            'report' => 'required|in:invoice,payment',
+            'report' => 'required|in:invoice,payment,incoming,outgoing',
         ]);
 
         $this->from = $requestData['from'];
@@ -51,7 +53,14 @@ class ExcelController extends Controller
             case 'payment':
                 $this->payment();
                 break;
+            case 'incoming':
+                $this->incoming();
+                break;
+            case 'outgoing':
+                $this->outgoing();
+                break;
         }
+
         return response()->json($this->writer->save('php://output'));
     }
 
@@ -159,6 +168,7 @@ class ExcelController extends Controller
         $row = 2;
         foreach ($payments as $payment) {
             $invoice = $payment->invoice;
+
             foreach ($invoice->items as $item) {
                 if (!isset($net[$item->tax])) {
                     $net[$item->tax] = 0;
@@ -169,6 +179,7 @@ class ExcelController extends Controller
                 $tax[$item->tax] += $item->amount * $item->price * $item->tax * $payment->paid_amount / ($invoice->sum * 100);
                 $gross[$item->tax] += $item->total * $payment->paid_amount / ($invoice->sum);
             }
+
             $worksheet->setCellValue('A' . $row, $invoice->number);
             $worksheet->setCellValue('B' . $row, $invoice->customer->name);
             $worksheet->setCellValue('C' . $row, $invoice->address->name);
@@ -204,6 +215,97 @@ class ExcelController extends Controller
         }
 
         $this->writer = new Xlsx($spreadsheet);
+    }
 
+    protected function incoming(): void
+    {
+        $incoming = Incoming::whereBetween('issue_date', [$this->from, $this->end])->with(['supplier', 'taxes'])->orderBy('issue_date', 'desc')->get();
+        $this->incomingToSheet($incoming);
+    }
+
+    protected function outgoing(): void
+    {
+        $incoming = Incoming::whereBetween('pay_date', [$this->from, $this->end])->with(['supplier', 'taxes'])->orderBy('pay_date', 'desc')->get();
+        $this->incomingToSheet($incoming);
+    }
+
+    protected function incomingToSheet(Collection $incoming): void
+    {
+        $net = [];
+        $tax = [];
+        $gross = [];
+
+        $spreadsheet = new Spreadsheet();
+        $worksheet = $spreadsheet->getActiveSheet();
+        $worksheet->setTitle(__('incoming.Incoming'));
+        $worksheet->getPageSetup()->setOrientation(PageSetup::ORIENTATION_LANDSCAPE);
+        $worksheet->getHeaderFooter()->setEvenHeader(__('incoming.Invoices from to', ['from' => $this->from, 'end' => $this->end]));
+        $worksheet->getHeaderFooter()->setOddHeader(__('incoming.Invoices from to', ['from' => $this->from, 'end' => $this->end]));
+
+        $worksheet->setCellValue('A1', __('invoice.Invoice Number'));
+        $worksheet->setCellValue('B1', __('customer.Customer'));
+        $worksheet->setCellValue('C1', __('common.Name'));
+        $worksheet->setCellValue('D1', __('invoice.Net'));
+        $worksheet->setCellValue('E1', __('invoice.Tax'));
+        $worksheet->setCellValue('F1', __('invoice.Gross'));
+        $worksheet->setCellValue('G1', __('common.Created at'));
+        $worksheet->setCellValue('H1', __('common.Paid at'));
+        $worksheet->getStyle('A1:H1')->getBorders()->getBottom()->applyFromArray(['borderStyle' => Border::BORDER_DOUBLE]);
+        $worksheet->getStyle('A1:H1')->getFont()->setBold(true);
+        $worksheet->getStyle('D1:H1')->getAlignment()->applyFromArray(['horizontal' => Alignment::HORIZONTAL_RIGHT]);
+
+        $row = 2;
+        foreach ($incoming as $invoice) {
+            foreach ($invoice->taxes as $item) {
+                if (!isset($net[$item->percentage])) {
+                    $net[$item->percentage] = 0;
+                    $tax[$item->percentage] = 0;
+                    $gross[$item->percentage] = 0;
+                }
+                $net[$item->percentage] += $item->taxable_amount;
+                $tax[$item->percentage] += $item->amount;
+                $gross[$item->percentage] += $item->taxable_amount + $item->amount;
+            }
+            $worksheet->setCellValue('A' . $row, $invoice->invoice_number);
+            $worksheet->setCellValue('B' . $row, $invoice->supplier->name);
+            $worksheet->setCellValue('C' . $row, $invoice->supplier->email);
+            $worksheet->getCell('D' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('D' . $row, $invoice->net);
+            $worksheet->getCell('E' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('E' . $row, $invoice->tax);
+            $worksheet->getCell('F' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('F' . $row, $invoice->gross);
+            $worksheet->setCellValue('G' . $row, Date::PHPToExcel(\DateTime::createFromFormat('!Y-m-d', $invoice->issue_date)));
+            $worksheet->getCell('G' . $row)->getStyle()->getNumberFormat()->setFormatCode('dd.mm.yyyy');
+            if (is_null($invoice->pay_date)) {
+                $worksheet->setCellValue('H' . $row, '');
+            } else {
+                $worksheet->setCellValue('H' . $row, Date::PHPToExcel(\DateTime::createFromFormat('!Y-m-d', $invoice->pay_date)));
+            }
+            $worksheet->getCell('H' . $row)->getStyle()->getNumberFormat()->setFormatCode('dd.mm.yyyy');
+            $row++;
+        }
+
+        $worksheet->getStyle('A' . $row - 1 . ':H' . $row - 1)->getBorders()->getBottom()->applyFromArray(['borderStyle' => Border::BORDER_DOUBLE]);
+
+        foreach ($net as $tax_value => $amount) {
+            $worksheet->getStyle('A' . $row . ':G' . $row)->getFont()->setBold(true);
+            $worksheet->getStyle('D' . $row . ':G' . $row)->getAlignment()->applyFromArray(['horizontal' => Alignment::HORIZONTAL_RIGHT]);
+            $worksheet->setCellValue('B' . $row, __('invoice.Sails from vat', ['tax' => \Illuminate\Support\Number::percentage($tax_value)]));
+            $worksheet->getCell('D' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('D' . $row, $amount);
+            $worksheet->getCell('E' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('E' . $row, $tax[$tax_value]);
+            $worksheet->getCell('F' . $row)->getStyle()->getNumberFormat()->setFormatCode($this->currencyMask);
+            $worksheet->setCellValue('F' . $row, $gross[$tax_value]);
+
+            $row++;
+        }
+
+        foreach ($worksheet->getColumnIterator() as $column) {
+            $worksheet->getColumnDimension($column->getColumnIndex())->setAutoSize(true);
+        }
+
+        $this->writer = new Xlsx($spreadsheet);
     }
 }

app/Http/Controllers/Api/IncomingController.php

@@ -0,0 +1,180 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\Incoming;
+use App\Models\Incomingitem;
+use App\Models\Incomingtax;
+use App\Models\Supplier;
+use Illuminate\Http\Request;
+use Illuminate\Http\JsonResponse;
+
+class IncomingController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index($from = null, $end = null): JsonResponse
+    {
+        return response()->json(Incoming::whereBetween('issue_date', [$from, $end])->with(['supplier'])->orderBy('issue_date', 'desc')->get());
+    }
+
+    /**
+     * Process an upload file for the resource.
+     */
+    public function upload(Request $request): JsonResponse
+    {
+        $xmlString = base64_decode(preg_replace('#^data:text/\w+;base64,#i', '', $request->uploadFile));
+        $reader = new \App\XmlReader($xmlString);
+        $supplierData = $reader->supplier();
+        $incomingData = $reader->incoming();
+        $itemsData = $reader->items();
+        $taxesData = $reader->taxes();
+
+        $supplier = Supplier::where('email', '=', $supplierData['email'])->firstOrNew($supplierData);
+        $supplier->save();
+
+        $incomingData['supplier_id'] = $supplier->id;
+
+        $incoming = new Incoming($incomingData);
+        $incoming->save();
+
+        foreach ($itemsData as $item) {
+            $item['incoming_id'] = $incoming->id;
+            $incomingItem = new Incomingitem($item);
+            $incomingItem->save();
+        }
+
+        foreach ($taxesData as $tax) {
+            $tax['incoming_id'] = $incoming->id;
+            $incomingTax = new Incomingtax($tax);
+            $incomingTax->save();
+        }
+
+        return response()->json($incoming);
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request): JsonResponse
+    {
+        $supplierData = $request->validate([
+            'supplier.name' => 'required|string',
+            'supplier.registration_name' => 'nullable|string',
+            'supplier.email' => 'nullable|email',
+            'supplier.address' => 'nullable|string',
+            'supplier.city' => 'nullable|string',
+            'supplier.zip' => 'nullable|string',
+            'supplier.country_code' => 'nullable|string',
+            'supplier.tax_fc' => 'nullable|string',
+            'supplier.tax_vat' => 'nullable|string',
+            'supplier.contact_name' => 'nullable|string',
+            'supplier.contact_phone' => 'nullable|string',
+            'supplier.contact_email' => 'nullable|string',
+        ]);
+
+        $supplier = Supplier::where('email', '=', $supplierData['supplier']['email'])->firstOrNew($supplierData['supplier']);
+        $supplier->save();
+
+        $incomingData = $request->validate([
+            'incoming.invoice_number' => 'required|string',
+            'incoming.issue_date' => 'required|date',
+            'incoming.due_date' => 'nullable|date',
+            'incoming.invoice_type_code' => 'required|string',
+            'incoming.currency_code' => 'required|string',
+            'incoming.net' => 'required|numeric',
+            'incoming.gross' => 'required|numeric',
+            'incoming.tax' => 'required|numeric',
+            'incoming.pay_date' => 'nullable|date',
+            'incoming.pay_name' => 'nullable|string',
+            'incoming.pay_bic' => 'nullable|string',
+            'incoming.pay_iban' => 'nullable|string',
+        ]);
+
+        $incomingData['incoming']['supplier_id'] = $supplier->id;
+        $incoming = new Incoming($incomingData['incoming']);
+        $incoming->save();
+
+        $taxesData = $request->validate([
+            'taxes.*.taxable_amount' => 'required|numeric',
+            'taxes.*.amount' => 'required|numeric',
+            'taxes.*.percentage' => 'required|numeric',
+            'taxes.*.currency' => 'required|string',
+        ]);
+
+        $incoming->taxes()->createMany($taxesData['taxes']);
+
+        return response()->json($supplierData['supplier']);
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, Incoming $incoming): JsonResponse
+    {
+        $incomingData = $request->validate([
+            'incoming.invoice_number' => 'required|string',
+            'incoming.issue_date' => 'required|date',
+            'incoming.due_date' => 'nullable|date',
+            'incoming.invoice_type_code' => 'required|string',
+            'incoming.currency_code' => 'required|string',
+            'incoming.net' => 'required|numeric',
+            'incoming.gross' => 'required|numeric',
+            'incoming.tax' => 'required|numeric',
+            'incoming.pay_date' => 'nullable|date',
+            'incoming.pay_name' => 'nullable|string',
+            'incoming.pay_bic' => 'nullable|string',
+            'incoming.pay_iban' => 'nullable|string',
+        ]);
+
+        $incoming->update($incomingData['incoming']);
+
+        $supplierData = $request->validate([
+            'supplier.name' => 'required|string',
+            'supplier.registration_name' => 'nullable|string',
+            'supplier.email' => 'nullable|email',
+            'supplier.address' => 'nullable|string',
+            'supplier.city' => 'nullable|string',
+            'supplier.zip' => 'nullable|string',
+            'supplier.country_code' => 'nullable|string',
+            'supplier.tax_fc' => 'nullable|string',
+            'supplier.tax_vat' => 'nullable|string',
+            'supplier.contact_name' => 'nullable|string',
+            'supplier.contact_phone' => 'nullable|string',
+            'supplier.contact_email' => 'nullable|string',
+        ]);
+
+        $incoming->supplier()->update($supplierData['supplier']);
+
+        $itemsData = $request->validate([
+            'items.*.name' => 'required|string',
+            'items.*.article_number' => 'nullable|string',
+            'items.*.description' => 'nullable|string',
+            'items.*.amount' => 'required|numeric',
+            'items.*.discount' => 'nullable|numeric',
+            'items.*.tax' => 'required|numeric',
+            'items.*.price' => 'required|numeric',
+            'items.*.total' => 'required|numeric',
+        ]);
+
+        $incoming->items()->delete();
+
+        if (!empty($itemsData)) {
+            $incoming->items()->createMany($itemsData['items']);
+        }
+
+        $taxesData = $request->validate([
+            'taxes.*.taxable_amount' => 'required|numeric',
+            'taxes.*.amount' => 'required|numeric',
+            'taxes.*.percentage' => 'required|numeric',
+            'taxes.*.currency' => 'required|string',
+        ]);
+
+        $incoming->taxes()->delete();
+        $incoming->taxes()->createMany($taxesData['taxes']);
+
+        return response()->json($incoming);
+    }
+}

app/Http/Controllers/Api/InvoiceController.php

@@ -19,6 +19,9 @@ class InvoiceController extends Controller
         return response()->json(Invoice::whereBetween('created_at', [$from, $end])->with(['address', 'customer'])->orderBy('created_at', 'desc')->get());
     }
 
+    /**
+     * Display a listing of the resource that have a status "sent".
+     */
     public function open(): JsonResponse
     {
         return response()->json(Invoice::where('status', '=', 'sent')->orderBy('created_at', 'desc')->with(['customer', 'address', 'payments'])->get());
@@ -49,14 +52,6 @@ class InvoiceController extends Controller
         return response()->json($invoice);
     }
 
-    /**
-     * Display the specified resource.
-     */
-    public function show(Invoice $invoice)
-    {
-        //
-    }
-
     /**
      * Update the specified resource in storage.
      */
@@ -76,6 +71,9 @@ class InvoiceController extends Controller
         return response()->json($invoice);
     }
 
+    /**
+     * Update the specified resource's status in storage.
+     */
     public function state(Request $request, Invoice $invoice): JsonResponse
     {
         $invoiceData = $request->validate([

app/Http/Controllers/IncomingController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Incoming;
+use Illuminate\Contracts\View\View;
+
+class IncomingController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(): View
+    {
+        return view('incoming.index');
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create(): View
+    {
+        return view('incoming.create');
+    }
+
+    /**
+     * Show the form for uploading a new resource.
+     */
+    public function upload(): View
+    {
+        return view('incoming.upload');
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(Incoming $incoming): View
+    {
+        return view('incoming.edit', ['incoming' => $incoming, 'supplier' => $incoming->supplier, 'items' => $incoming->items, 'taxes' => $incoming->taxes]);
+    }
+}

app/Models/Incoming.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -31,6 +32,41 @@ class Incoming extends Model
         'pay_iban',
     ];
 
+    /**
+     * The attributes that are appended with attribute getters.
+     *
+     * @var string[]
+     */
+    protected $appends = [
+        'created',
+        'paid',
+        'due',
+    ];
+
+    /**
+     * Get the pay_date attribute in local time format.
+     */
+    public function getDueAttribute(): string
+    {
+        return (is_null($this->due_date)) ? '' : Carbon::createFromFormat('Y-m-d', $this->due_date)->format('d.m.Y');
+    }
+
+    /**
+     * Get the pay_date attribute in local time format.
+     */
+    public function getPaidAttribute(): string
+    {
+        return (is_null($this->pay_date)) ? '' : Carbon::createFromFormat('Y-m-d', $this->pay_date)->format('d.m.Y');
+    }
+
+    /**
+     * Get the issue_date attribute in local time format.
+     */
+    public function getCreatedAttribute(): string
+    {
+        return Carbon::createFromFormat('Y-m-d', $this->issue_date)->format('d.m.Y');
+    }
+
     /**
      * Get the supplier of the incoming invoice.
      */

app/XmlReader.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace App;
+
+use \DOMDocument;
+use \DOMXPath;
+
+class XmlReader
+{
+    private DOMDocument $xml;
+    private DOMXPath $xpath;
+
+    public function __construct(string $xml)
+    {
+        $this->xml = new DOMDocument();
+        $this->xml->loadXML($xml);
+        $this->xpath = new DOMXPath($this->xml);
+    }
+
+    public function incoming(): array
+    {
+        $incoming = [];
+
+        $incoming['invoice_number'] = $this->xpath->query('cbc:ID', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['issue_date'] = $this->xpath->query('cbc:IssueDate', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['due_date'] = $this->xpath->query('cbc:DueDate', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['invoice_type_code'] = $this->xpath->query('cbc:InvoiceTypeCode', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['currency_code'] = $this->xpath->query('cbc:DocumentCurrencyCode', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['net'] = $this->xpath->query('cac:LegalMonetaryTotal/cbc:TaxExclusiveAmount', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['gross'] = $this->xpath->query('cac:LegalMonetaryTotal/cbc:TaxInclusiveAmount', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['tax'] = $this->xpath->query('cac:TaxTotal/cbc:TaxAmount', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['pay_name'] = $this->xpath->query('cac:PaymentMeans/cac:PayeeFinancialAccount/cbc:Name', $this->xml->documentElement)->item(0)->nodeValue;
+        $incoming['pay_bic'] = ($this->xpath->query('cac:PaymentMeans/cac:PayeeFinancialAccount/cac:FinancialInstitutionBranch/cbc:ID', $this->xml->documentElement)->length > 0) ? $this->xpath->query('cac:PaymentMeans/cac:PayeeFinancialAccount/cac:FinancialInstitutionBranch/cbc:ID', $this->xml->documentElement)->item(0)->nodeValue : null;
+        $incoming['pay_iban'] = $this->xpath->query('cac:PaymentMeans/cac:PayeeFinancialAccount/cbc:ID', $this->xml->documentElement)->item(0)->nodeValue;
+
+        return $incoming;
+    }
+
+    public function supplier(): array
+    {
+        $supplier = [];
+        $supplierNode = $this->xpath->query('cac:AccountingSupplierParty', $this->xml->documentElement)->item(0);
+
+        $supplier['name'] = $this->xpath->query("cac:Party/cac:PartyName/cbc:Name", $supplierNode)->item(0)->nodeValue;
+        $supplier['registration_name'] = $this->xpath->query("cac:Party/cac:PartyLegalEntity/cbc:RegistrationName", $supplierNode)->item(0)->nodeValue;
+        $supplier['email'] = $this->xpath->query("cac:Party/cbc:EndpointID", $supplierNode)->item(0)->nodeValue;
+        $supplier['address'] = $this->xpath->query("cac:Party/cac:PostalAddress/cbc:StreetName", $supplierNode)->item(0)->nodeValue;
+        $supplier['city'] = $this->xpath->query("cac:Party/cac:PostalAddress/cbc:CityName", $supplierNode)->item(0)->nodeValue;
+        $supplier['zip'] = $this->xpath->query("cac:Party/cac:PostalAddress/cbc:PostalZone", $supplierNode)->item(0)->nodeValue;
+        $supplier['country_code'] = $this->xpath->query("cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode", $supplierNode)->item(0)->nodeValue;
+        $supplier['tax_fc'] = ($this->xpath->query("cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID/text() = 'FC']", $supplierNode)->length === 0) ? null : $this->xpath->query("cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID/text() = 'FC']/cbc:CompanyID", $supplierNode)->item(0)->nodeValue;
+        $supplier['tax_vat'] = ($this->xpath->query("cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID/text() = 'VAT']", $supplierNode)->length === 0) ? null : $this->xpath->query("cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID/text() = 'VAT']/cbc:CompanyID", $supplierNode)->item(0)->nodeValue;
+        $supplier['contact_name'] = $this->xpath->query("cac:Party/cac:Contact/cbc:Name", $supplierNode)->item(0)->nodeValue;
+        $supplier['contact_phone'] = $this->xpath->query("cac:Party/cac:Contact/cbc:Telephone", $supplierNode)->item(0)->nodeValue;
+        $supplier['contact_email'] = $this->xpath->query("cac:Party/cac:Contact/cbc:ElectronicMail", $supplierNode)->item(0)->nodeValue;
+
+        return $supplier;
+    }
+
+    public function items(): array
+    {
+        $items = [];
+        $itemList = $this->xpath->query('cac:InvoiceLine', $this->xml->documentElement);
+
+        foreach ($itemList as $itemNode) {
+            $item = [];
+            $item['name'] = $this->xpath->query("cac:Item/cbc:Name", $itemNode)->item(0)->nodeValue;
+            $item['article_number'] = null;
+            $item['description'] = ($this->xpath->query("cac:Item/cbc:Description", $itemNode)->length === 0) ? null : $this->xpath->query("cac:Item/cbc:Description", $itemNode)->item(0)->nodeValue;
+            $item['amount'] = $this->xpath->query("cbc:InvoicedQuantity", $itemNode)->item(0)->nodeValue;
+            $item['discount'] = null;
+            $item['tax'] = $this->xpath->query("cac:Item/cac:ClassifiedTaxCategory/cbc:Percent", $itemNode)->item(0)->nodeValue;
+            $item['price'] = $this->xpath->query("cac:Price/cbc:PriceAmount", $itemNode)->item(0)->nodeValue;
+            $item['total'] = $this->xpath->query("cbc:LineExtensionAmount", $itemNode)->item(0)->nodeValue;
+
+            $items[] = $item;
+        }
+
+        return $items;
+    }
+
+    public function taxes(): array
+    {
+        $taxes = [];
+        $taxList = $this->xpath->query('cac:TaxTotal/cac:TaxSubtotal', $this->xml->documentElement);
+
+        foreach ($taxList as $taxNode) {
+            $tax = [];
+            $tax['taxable_amount'] = $this->xpath->query("cbc:TaxableAmount", $taxNode)->item(0)->nodeValue;
+            $tax['amount'] = $this->xpath->query("cbc:TaxAmount", $taxNode)->item(0)->nodeValue;
+            $tax['percentage'] = $this->xpath->query("cac:TaxCategory/cbc:Percent", $taxNode)->item(0)->nodeValue;
+            $tax['currency'] = $this->xpath->query("cbc:TaxableAmount", $taxNode)->item(0)->getAttribute("currencyID");
+
+            $taxes[] = $tax;
+        }
+
+        return $taxes;
+    }
+}