v5.0.0 update

app/Http/Controllers/V1/Admin/General/GetAllUsedCurrenciesController.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Crater\Http\Controllers\V1\Admin\General;
+
+use Crater\Http\Controllers\Controller;
+use Crater\Models\Currency;
+use Crater\Models\Estimate;
+use Crater\Models\Invoice;
+use Crater\Models\Payment;
+use Crater\Models\Tax;
+use Illuminate\Http\Request;
+
+class GetAllUsedCurrenciesController extends Controller
+{
+    /**
+     * Handle the incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function __invoke(Request $request)
+    {
+        $invoices = Invoice::where('exchange_rate', null)->pluck('currency_id')->toArray();
+
+        $taxes = Tax::where('exchange_rate', null)->pluck('currency_id')->toArray();
+
+        $estimates = Estimate::where('exchange_rate', null)->pluck('currency_id')->toArray();
+
+        $payments = Payment::where('exchange_rate', null)->pluck('currency_id')->toArray();
+
+        $currencies = array_merge($invoices, $taxes, $estimates, $payments);
+
+        return response()->json([
+            'currencies' => Currency::whereIn('id', $currencies)->get()
+        ]);
+    }
+}