fix base_due_amount calculation

database/migrations/2021_12_02_063005_calculate_base_due_amount.php

@@ -0,0 +1,34 @@
+<?php
+
+use Crater\Models\Invoice;
+use Illuminate\Database\Migrations\Migration;
+
+class CalculateBaseDueAmount extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $invoices = Invoice::all();
+
+        foreach ($invoices as $invoice) {
+            if ($invoice->exchange_rate) {
+                $invoice->base_due_amount = $invoice->due_amount * $invoice->exchange_rate;
+                $invoice->save();
+            }
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}