[feat] 채팅방 등록 API

src/main/kotlin/com/psr/psr/chat/controller/ChatRoomController.kt

@@ -0,0 +1,44 @@
+package com.psr.psr.chat.controller
+
+import com.psr.psr.chat.service.ChatRoomService
+import com.psr.psr.global.dto.BaseResponse
+import com.psr.psr.global.jwt.UserAccount
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.Parameter
+import io.swagger.v3.oas.annotations.media.Content
+import io.swagger.v3.oas.annotations.media.Schema
+import io.swagger.v3.oas.annotations.responses.ApiResponse
+import io.swagger.v3.oas.annotations.responses.ApiResponses
+import io.swagger.v3.oas.annotations.security.SecurityRequirement
+import io.swagger.v3.oas.annotations.tags.Tag
+import org.springframework.security.core.annotation.AuthenticationPrincipal
+import org.springframework.web.bind.annotation.*
+
+@RestController
+@RequestMapping("/chatRooms")
+@Tag(name = "ChatRoom", description = "채팅방 API")
+@SecurityRequirement(name = "Bearer")
+class ChatRoomController(
+    private val chatRoomService: ChatRoomService
+) {
+
+    /**
+     * 채팅방 등록
+     */
+    @Operation(summary = "채팅방 등록(박소정)", description = "채팅방을 등록한다.")
+    @ApiResponses(
+        value = [
+            ApiResponse(responseCode = "200", description = "요청에 성공했습니다."),
+            ApiResponse(
+                responseCode = "404",
+                description = "해당 요청을 찾을 수 없습니다.",
+                content = arrayOf(Content(schema = Schema(implementation = BaseResponse::class)))
+            )]
+    )
+    @PostMapping("/{orderId}")
+    fun createChatRoom(@AuthenticationPrincipal userAccount: UserAccount,
+                       @Parameter(description = "(Long) 요청 id", example = "1") @PathVariable orderId: Long
+    ): BaseResponse<Unit> {
+        return BaseResponse(chatRoomService.createChatRoom(userAccount.getUser(), orderId))
+    }
+}

src/main/kotlin/com/psr/psr/chat/entity/ChatMessage.kt

@@ -0,0 +1,24 @@
+package com.psr.psr.chat.entity
+
+import com.psr.psr.global.entity.BaseEntity
+import com.psr.psr.user.entity.User
+import jakarta.persistence.*
+import org.jetbrains.annotations.NotNull
+
+@Entity
+data class ChatMessage(
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    var id: Long,
+
+    @ManyToOne
+    @JoinColumn(nullable = false, name = "sender_user_id")
+    var senderUser: User,
+
+    @ManyToOne
+    @JoinColumn(nullable = false, name = "chat_room_id")
+    var chatRoom: ChatRoom,
+
+    @NotNull
+    var message: String
+
+) : BaseEntity()

src/main/kotlin/com/psr/psr/chat/entity/ChatRoom.kt

@@ -1,20 +1,36 @@
 package com.psr.psr.chat.entity
 
 import com.psr.psr.global.entity.BaseEntity
+import com.psr.psr.order.entity.Order
 import com.psr.psr.user.entity.User
 import jakarta.persistence.*
 
 @Entity
 data class ChatRoom(
         @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
-        var id: Long,
+        var id: Long? = null,
 
         @ManyToOne
         @JoinColumn(nullable = false, name = "sender_user_id")
         var senderUser: User,
 
         @ManyToOne
         @JoinColumn(nullable = false, name = "receiver_user_id")
-        var receiverUser: User
+        var receiverUser: User,
+
+        @OneToOne
+        @JoinColumn(nullable = true, name = "order_id")
+        var order: Order
+
+) : BaseEntity() {
+        companion object {
+                fun toEntity(user: User, order: Order): ChatRoom {
+                        return ChatRoom(
+                                senderUser = user,
+                                receiverUser = order.user,
+                                order = order
+                        )
+                }
+        }
+}
 
-): BaseEntity()

src/main/kotlin/com/psr/psr/chat/service/ChatRoomService.kt

@@ -0,0 +1,25 @@
+package com.psr.psr.chat.service
+
+import com.psr.psr.chat.entity.ChatRoom
+import com.psr.psr.chat.repository.ChatRoomRepository
+import com.psr.psr.global.Constant
+import com.psr.psr.global.exception.BaseException
+import com.psr.psr.global.exception.BaseResponseCode
+import com.psr.psr.order.entity.Order
+import com.psr.psr.order.repository.OrderRepository
+import com.psr.psr.user.entity.User
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class ChatRoomService(
+    private val orderRepository: OrderRepository,
+    private val chatRoomRepository: ChatRoomRepository
+) {
+    @Transactional
+    fun createChatRoom(user: User, orderId: Long) {
+        val order: Order = orderRepository.findByIdAndStatus(orderId, Constant.UserStatus.ACTIVE_STATUS)
+            ?: throw BaseException(BaseResponseCode.NOT_FOUND_ORDER)
+        chatRoomRepository.save(ChatRoom.toEntity(user, order));
+    }
+}