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

database/factories/CityFactory.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\City;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\City>
+ */
+class CityFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'name' => fake()->randomElement(City::supportedCities()),
+        ];
+    }
+
+    public function sanaa()
+    {
+        return $this->state([
+            'name' => City::SANAA,
+            'label' => 'صنعاء',
+        ]);
+    }
+
+    public function aden()
+    {
+        return $this->state([
+            'name' => City::ADEN,
+            'label' => 'عدن',
+        ]);
+    }
+}