seeder

src/seeders/restaurants.seeder.ts

@@ -0,0 +1,22 @@
+import type { EntityManager } from '@mikro-orm/core';
+import { Restaurant } from '../modules/restaurants/entities/restaurant.entity';
+import { restaurantsData } from './data/restaurants.data';
+
+export class RestaurantsSeeder {
+  async run(em: EntityManager): Promise<Map<string, Restaurant>> {
+    const restaurantsMap = new Map<string, Restaurant>();
+
+    for (const restaurantData of restaurantsData) {
+      let restaurant = await em.findOne(Restaurant, { slug: restaurantData.slug });
+      if (!restaurant) {
+        restaurant = em.create(Restaurant, restaurantData);
+        em.persist(restaurant);
+      }
+      restaurantsMap.set(restaurantData.slug, restaurant);
+    }
+
+    await em.flush();
+    return restaurantsMap;
+  }
+}
+