added import and export recurring invoices

app/Imports/Sales/Invoices/Sheets/InvoiceItemTaxes.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Imports\Sales\Invoices\Sheets;
+
+use App\Abstracts\Import;
+use App\Http\Requests\Document\DocumentItemTax as Request;
+use App\Models\Common\Item;
+use App\Models\Document\Document;
+use App\Models\Document\DocumentItem;
+use App\Models\Document\DocumentItemTax as Model;
+
+class InvoiceItemTaxes extends Import
+{
+    public $request_class = Request::class;
+
+    public function model(array $row)
+    {
+        return new Model($row);
+    }
+
+    public function map($row): array
+    {
+        if ($this->isEmpty($row, 'invoice_number')) {
+            return [];
+        }
+
+        $row['invoice_number'] = (string) $row['invoice_number'];
+
+        $row = parent::map($row);
+
+        $document = Document::with('items')->invoice()->number($row['invoice_number'])->first();
+
+        $row['document_id'] = (int) $document->id;
+
+        if (empty($row['document_item_id']) && !empty($row['item_name'])) {
+            $document_items_ids = $document->items->pluck('item_id')->toArray();
+
+            $item_id = Item::name($row['item_name'])->whereIn('id', $document_items_ids)->pluck('id')->first();
+
+            $row['document_item_id'] = DocumentItem::invoice()->where('item_id', $item_id)->pluck('id')->first();
+        }
+
+        $row['tax_id'] = $this->getTaxId($row);
+
+        if (empty($row['name']) && !empty($row['item_name'])) {
+            $row['name'] = $row['item_name'];
+        }
+
+        $row['amount'] = (double) $row['amount'];
+
+        $row['type'] = Document::INVOICE_TYPE;
+
+        return $row;
+    }
+
+    public function prepareRules(array $rules): array
+    {
+        $rules['invoice_number'] = 'required|string';
+
+        unset($rules['invoice_id']);
+
+        return $rules;
+    }
+}