Merge pull request #4 from DDD-Community/MARA-17

MARA-17 : 냉장고 CRUD 구현

src/main/kotlin/mara/server/domain/refrigerator/Refrigerator.kt

@@ -0,0 +1,29 @@
+package mara.server.domain.refrigerator
+
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.FetchType
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.GenerationType
+import jakarta.persistence.Id
+import jakarta.persistence.JoinColumn
+import jakarta.persistence.ManyToOne
+import mara.server.domain.user.User
+
+@Entity
+class Refrigerator(
+    var name: String,
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "userId")
+    val user: User,
+
+) {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "refrigerator_id", nullable = false)
+    val refrigeratorId: Long = 0L
+
+    fun update(refrigeratorUpdateRequest: RefrigeratorUpdateRequest) {
+        this.name = refrigeratorUpdateRequest.name
+    }
+}

src/main/kotlin/mara/server/domain/refrigerator/RefrigeratorController.kt

@@ -0,0 +1,46 @@
+package mara.server.domain.refrigerator
+
+import mara.server.common.CommonResponse
+import mara.server.common.success
+import org.springframework.web.bind.annotation.DeleteMapping
+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.PutMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/refrigs")
+class RefrigeratorController(
+    private val refrigeratorService: RefrigeratorService
+) {
+    @PostMapping
+    fun createRefrigerator(@RequestBody refrigeratorRequest: RefrigeratorRequest): CommonResponse<Long> {
+        return success(refrigeratorService.createRefrigerator(refrigeratorRequest))
+    }
+
+    @GetMapping("/{id}")
+    fun getRefrigerator(@PathVariable(name = "id") id: Long): CommonResponse<RefrigeratorResponse> {
+        return success(refrigeratorService.getRefrigerator((id)))
+    }
+
+    @GetMapping("/users/{user-id}")
+    fun getRefrigeratorList(@PathVariable(name = "user-id") userId: Long): CommonResponse<List<RefrigeratorResponse>> {
+        return success(refrigeratorService.getRefrigeratorList((userId)))
+    }
+
+    @PutMapping("/{id}")
+    fun updateRefrigerator(
+        @PathVariable(name = "id") id: Long,
+        @RequestBody refrigeratorUpdateRequest: RefrigeratorUpdateRequest
+    ): CommonResponse<RefrigeratorResponse> {
+        return success(refrigeratorService.updateRefrigerator(id, refrigeratorUpdateRequest))
+    }
+
+    @DeleteMapping("/{id}")
+    fun updateRefrigerator(@PathVariable(name = "id") id: Long): CommonResponse<String> {
+        return success(refrigeratorService.deleteRefrigerator(id))
+    }
+}

src/main/kotlin/mara/server/domain/refrigerator/RefrigeratorDto.kt

@@ -0,0 +1,24 @@
+package mara.server.domain.refrigerator
+
+data class RefrigeratorRequest(
+    var name: String,
+    val userId: Long
+)
+
+data class RefrigeratorUpdateRequest(
+    var name: String
+)
+
+data class RefrigeratorResponse(
+    var id: Long,
+    var name: String,
+) {
+    constructor(refrigerator: Refrigerator) : this(
+        id = refrigerator.refrigeratorId,
+        name = refrigerator.name
+    )
+}
+
+fun List<Refrigerator>.toRefrigeratorResponseList(): List<RefrigeratorResponse> {
+    return this.map { RefrigeratorResponse(it) }
+}

src/main/kotlin/mara/server/domain/refrigerator/RefrigeratorRepository.kt

@@ -0,0 +1,10 @@
+package mara.server.domain.refrigerator
+
+import mara.server.domain.user.User
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface RefrigeratorRepository : JpaRepository<Refrigerator, Long> {
+    fun findRefrigeratorsByUser(user: User): List<Refrigerator>
+}

src/main/kotlin/mara/server/domain/refrigerator/RefrigeratorService.kt

@@ -0,0 +1,46 @@
+package mara.server.domain.refrigerator
+
+import mara.server.domain.user.UserRepository
+import org.springframework.stereotype.Service
+
+@Service
+class RefrigeratorService(
+    private val refrigeratorRepository: RefrigeratorRepository,
+    private val userRepository: UserRepository
+) {
+    fun createRefrigerator(refrigeratorRequest: RefrigeratorRequest): Long {
+        val userId = refrigeratorRequest.userId
+        val user =
+            userRepository.findById(userId).orElseThrow { NoSuchElementException("해당 유저가 존재하지 않습니다. ID: $userId") }
+        val refrigerator = Refrigerator(
+            name = refrigeratorRequest.name,
+            user = user
+        )
+        return refrigeratorRepository.save(refrigerator).refrigeratorId
+    }
+
+    fun getRefrigerator(id: Long): RefrigeratorResponse {
+        val refrigerator =
+            refrigeratorRepository.findById(id).orElseThrow { NoSuchElementException("해당 냉장고가 존재하지 않습니다. ID: $id") }
+        return RefrigeratorResponse(refrigerator)
+    }
+
+    fun getRefrigeratorList(userId: Long): List<RefrigeratorResponse> {
+        val user =
+            userRepository.findById(userId).orElseThrow { NoSuchElementException("해당 유저가 존재하지 않습니다. ID: $userId") }
+        val refrigeratorList = refrigeratorRepository.findRefrigeratorsByUser(user)
+        return refrigeratorList.toRefrigeratorResponseList()
+    }
+
+    fun updateRefrigerator(id: Long, refrigeratorUpdateRequest: RefrigeratorUpdateRequest): RefrigeratorResponse {
+        val refrigerator =
+            refrigeratorRepository.findById(id).orElseThrow { NoSuchElementException("해당 냉장고가 존재하지 않습니다. ID: $id") }
+        refrigerator.update(refrigeratorUpdateRequest)
+        return RefrigeratorResponse(refrigeratorRepository.save(refrigerator))
+    }
+
+    fun deleteRefrigerator(id: Long): String {
+        refrigeratorRepository.deleteById(id)
+        return "deleted"
+    }
+}