add cache interceptor for hot endpoints

src/modules/restaurants/providers/restaurants.service.ts

@@ -27,6 +27,8 @@ import { Schedule } from '../entities/schedule.entity';
 import { WalletTransaction } from '../../users/entities/wallet-transaction.entity';
 import { SmsLog } from '../../notifications/entities/smsLogs.entity';
 import { Notification } from '../../notifications/entities/notification.entity';
+import { CacheService } from 'src/modules/utils/cache.service';
+import { CacheKeys } from 'src/common/constants/cache-keys.constant';
 
 
 @Injectable()
@@ -34,6 +36,7 @@ export class RestaurantsService {
   constructor(
     private readonly em: EntityManager,
     private readonly restRepository: RestRepository,
+    private readonly cacheService: CacheService,
   ) { }
 
   async setupRestuarant(dto: CreateRestaurantDto): Promise<Restaurant> {
@@ -184,13 +187,28 @@ export class RestaurantsService {
 
     }
 
+    const previousSlug = restaurant.slug;
     this.restRepository.assign(restaurant, dto);
 
     await this.em.persistAndFlush(restaurant);
 
+    await this.invalidateRestaurantCache(previousSlug);
+    if (restaurant.slug !== previousSlug) {
+      await this.invalidateRestaurantCache(restaurant.slug);
+    }
+
     return restaurant;
   }
 
+  private async invalidateRestaurantCache(slug?: string): Promise<void> {
+    if (!slug) return;
+    await Promise.all([
+      this.cacheService.del(CacheKeys.restaurantSpec(slug)),
+      this.cacheService.del(CacheKeys.foodsByRestaurant(slug)),
+      this.cacheService.del(CacheKeys.categoriesByRestaurant(slug)),
+    ]);
+  }
+
   async remove(id: string) {
     // Soft delete the restaurant by setting isActive to false
     const restaurant = await this.restRepository.findOne({ id });