refactor: replace custom CRM with Monica fork

database/migrations/2020_04_24_205810_currencies_table_seed.php

@@ -0,0 +1,39 @@
+<?php
+
+use function Safe\json_decode;
+use App\Models\Settings\Currency;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Database\Migrations\Migration;
+
+class CurrenciesTableSeed extends Migration
+{
+    private const CURRENCIES_JSON_FILE = __DIR__.'/../seeds/json/2017_08_02_124102_add_world_currencies.json';
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $currencies = collect(json_decode(file_get_contents(self::CURRENCIES_JSON_FILE), true));
+
+        $currentCurrencies = Currency::all()
+            ->map(function ($currency) {
+                return $currency->iso;
+            })
+            ->toArray();
+
+        $insert = $currencies->reject(function ($currency) use ($currentCurrencies) {
+            return in_array($currency['iso']['code'], $currentCurrencies);
+        })->map(function ($currency) {
+            return [
+                'iso' => $currency['iso']['code'],
+                'name' => $currency['name'],
+                'symbol' => $currency['units']['major']['symbol'],
+            ];
+        })->values()->toArray();
+
+        DB::table('currencies')->insert($insert);
+    }
+}