feat/#95 :: JoinRoom 로직에 필요한 구조체 구현

- JoinRoomRequestMessage는 Request를 서버에 전달할 때 담길 메시지입니다
- JoinRoomResponseMessage는 Response로 내려올 메시지입니다
- JoinRoomEntity는 JoinRoomResponseMessage의 Entity입니다

Co-Authored-By: Youngkyu Song <[email protected]>

PhotoGether/DataLayer/PhotoGetherData/PhotoGetherData/Interface/Message/JoinRoomRequestMessage.swift

@@ -0,0 +1,5 @@
+import Foundation
+
+public struct JoinRoomRequestMessage: Encodable {
+    public let roomID: String
+}

PhotoGether/DataLayer/PhotoGetherData/PhotoGetherData/Interface/Message/JoinRoomResponseMessage.swift

@@ -0,0 +1,16 @@
+import Foundation
+import PhotoGetherDomainInterface
+
+public struct JoinRoomResponseMessage: Decodable {
+    public let userID: String
+    public let clientsID: [String]
+
+    public init(userID: String, clientsID: [String]) {
+        self.userID = userID
+        self.clientsID = clientsID
+    }
+
+    public func toEntity() -> JoinRoomEntity {
+        JoinRoomEntity(userID: self.userID, clientsID: self.clientsID)
+    }
+}

PhotoGether/DomainLayer/PhotoGetherDomain/PhotoGetherDomainInterface/Entity/JoinRoomEntity.swift

@@ -0,0 +1,11 @@
+import Foundation
+
+public struct JoinRoomEntity {
+    public let userID: String
+    public let clientsID: [String]
+
+    public init(userID: String, clientsID: [String]) {
+        self.userID = userID
+        self.clientsID = clientsID
+    }
+}