feat: implement currency rates tracking with models, migrations and views

database/factories/CurrencyFactory.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Currency;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Currency>
+ */
+class CurrencyFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        $code = fake()->randomElement(Currency::supportedCurrencies());
+
+        $name = match ($code) {
+            Currency::USD => 'دولار أمريكي',
+            Currency::SAR => 'ريال سعودي',
+        };
+
+        $symbol = match ($code) {
+            Currency::USD => '$',
+            Currency::SAR => '﷼',
+        };
+
+        return [
+            'code' => $code,
+            'name' => $name,
+            'symbol' => $symbol,
+        ];
+    }
+
+    public function saudiRial()
+    {
+        return $this->state([
+            'code' => Currency::SAR,
+            'name' => 'ريال سعودي',
+            'symbol' => '﷼',
+        ]);
+    }
+
+    public function usdDollar()
+    {
+        return $this->state([
+            'code' => Currency::USD,
+            'name' => 'دولار أمريكي',
+            'symbol' => '$',
+        ]);
+    }
+}