redis 분리 및 api 추가

src/main/kotlin/com/mjucow/eatda/domain/store/service/query/StoreQueryService.kt

@@ -1,6 +1,5 @@
 package com.mjucow.eatda.domain.store.service.query
 
-import com.mjucow.eatda.domain.poplarstore.service.PopularStoreCommandService
 import com.mjucow.eatda.domain.store.service.query.dto.StoreDetailDto
 import com.mjucow.eatda.domain.store.service.query.dto.StoreDto
 import com.mjucow.eatda.persistence.store.StoreRepository
@@ -11,7 +10,7 @@ import org.springframework.transaction.annotation.Transactional
 @Transactional(readOnly = true)
 class StoreQueryService(
     val repository: StoreRepository,
-    val popularStoreCommandService: PopularStoreCommandService,
+//    val popularStoreCommandService: PopularStoreCommandService,
 ) {
     fun findAllByCategoryAndCursor(cursor: Long? = null, categoryId: Long? = null, size: Int): List<StoreDto> {
         return if (categoryId == null) {
@@ -33,7 +32,8 @@ class StoreQueryService(
     fun findById(storeId: Long): StoreDetailDto {
         val entity = repository.getReferenceById(storeId)
         // FIXME(async): findById가 popular store command 과정에서 실패하지 않도록 비동기 호출 처리
-        popularStoreCommandService.setStore(storeId)
+        // TODO: Redis 이슈 해결 후 주석 제거
+//        popularStoreCommandService.setStore(storeId)
         return StoreDetailDto.from(entity)
     }
 }

src/main/kotlin/com/mjucow/eatda/presentation/store/popularstore/PopularStoreController.kt

@@ -1,22 +1,48 @@
 package com.mjucow.eatda.presentation.store.popularstore
 
+import com.mjucow.eatda.domain.poplarstore.service.PopularStoreCacheService
 import com.mjucow.eatda.domain.poplarstore.service.PopularStoreQueryService
 import com.mjucow.eatda.domain.poplarstore.service.dto.PopularStoreDtos
 import com.mjucow.eatda.presentation.common.ApiResponse
 import org.springframework.http.HttpStatus
 import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestController
+import java.time.Instant
 
 @RequestMapping("/api/v1/stores/popular")
 @RestController
 class PopularStoreController(
+    private val cacheService: PopularStoreCacheService,
     private val queryService: PopularStoreQueryService,
 ) : PopularStoreApiPresentation {
     @GetMapping
     @ResponseStatus(HttpStatus.OK)
     override fun findAllPopularStore(): ApiResponse<PopularStoreDtos> {
         return ApiResponse.success(queryService.getPopularStores())
     }
+
+    @PostMapping("/cache/{storeId}")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    fun setRedis(@PathVariable storeId: String) {
+        cacheService.setStore(Instant.now(), storeId.toLong())
+    }
+
+    @PostMapping("/cache/{storeId}")
+    @ResponseStatus(HttpStatus.OK)
+    fun getRedis(@PathVariable storeId: String): ApiResponse<RedisCache?> {
+        val key = cacheService.createSearchKey(Instant.now())
+        val popularStores = cacheService.getStoresSortByPopular(key)
+        if (popularStores.isEmpty()) {
+            return ApiResponse.success(null)
+        } else {
+            val e = popularStores[0]
+            return ApiResponse.success(RedisCache(e.storeId, e.count))
+        }
+    }
+
+    data class RedisCache(val storeId: Long, val count: Long)
 }