added import and export recurring bills

app/Exports/Purchases/Bills/Bills.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Exports\Purchases\Bills;
+
+use App\Exports\Purchases\Bills\Sheets\Bills as Base;
+use App\Exports\Purchases\Bills\Sheets\BillItems;
+use App\Exports\Purchases\Bills\Sheets\BillItemTaxes;
+use App\Exports\Purchases\Bills\Sheets\BillHistories;
+use App\Exports\Purchases\Bills\Sheets\BillTotals;
+use App\Exports\Purchases\Bills\Sheets\BillTransactions;
+use Maatwebsite\Excel\Concerns\Exportable;
+use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+
+class Bills implements WithMultipleSheets
+{
+    use Exportable;
+
+    public $ids;
+
+    public function __construct($ids = null)
+    {
+        $this->ids = $ids;
+    }
+
+    public function sheets(): array
+    {
+        return [
+            new Base($this->ids),
+            new BillItems($this->ids),
+            new BillItemTaxes($this->ids),
+            new BillHistories($this->ids),
+            new BillTotals($this->ids),
+            new BillTransactions($this->ids),
+        ];
+    }
+}