fix/#70 :: decoder 변경

- Date() 때문에 JSONDecoder에 .iso8601 이 필요했습니다.
- 임시로 ConnectionClient를 Host라고 가정하여 로직을 구성했습니다.

Author: hsw1920

PhotoGether/DataLayer/PhotoGetherData/PhotoGetherData/EventConnection/EventConnectionGuestRepositoryImpl.swift

@@ -7,6 +7,12 @@ public final class EventConnectionGuestRepositoryImpl: EventConnectionRepository
     private var cancellables: Set<AnyCancellable> = []
     private var receiveDataFromHost = PassthroughSubject<Data, Never>()
 
+    private var decoder: JSONDecoder = {
+        let decoder = JSONDecoder()
+        decoder.dateDecodingStrategy = .iso8601
+        return decoder
+    }()
+    
     public init(clients: [ConnectionClient]) {
         self.clients = clients
         bindData()
@@ -16,6 +22,13 @@ public final class EventConnectionGuestRepositoryImpl: EventConnectionRepository
         // MARK: Host로 부터 들어오는 Data를 send한다.
         // clients.filter { $0 == .host }
         // receiveDataFromHost.send(Data())
+        
+        clients.first?.receivedDataPublisher
+            .sink(receiveValue: { [weak self] data in
+                print("DEBUG: Data Receive From Host")
+                self?.receiveDataFromHost.send(data)
+            })
+            .store(in: &cancellables)
     }
 
     // MARK: 게스트가 호스트에게 스티커의 생성/삭제/이동 등 자신의 이벤트를 전달
@@ -37,7 +50,7 @@ public final class EventConnectionGuestRepositoryImpl: EventConnectionRepository
 
     public func receiveStickerList() -> AnyPublisher<[StickerEntity], Never> {
         return receiveDataFromHost
-            .decode(type: [StickerEntity].self, decoder: JSONDecoder())
+            .decode(type: [StickerEntity].self, decoder: decoder)
             .replaceError(with: [])
             .eraseToAnyPublisher()
     }

PhotoGether/DataLayer/PhotoGetherData/PhotoGetherData/EventConnection/EventConnectionHostRepositoryImpl.swift

@@ -17,6 +17,7 @@ public final class EventConnectionHostRepositoryImpl: EventConnectionRepository
     private func bindData() {
         clients.forEach {
             $0.receivedDataPublisher.sink { [weak self] data in
+                print("DEBUG: Data Receive From Guest")
                 self?.receiveDataFromGuest.send(data)
             }
             .store(in: &cancellables)
@@ -26,6 +27,7 @@ public final class EventConnectionHostRepositoryImpl: EventConnectionRepository
         receiveDataFromGuest
             .sink { [weak self] data in
             // TODO: Data를 EventEntity로 디코딩해서 EventHub에 push
+                print("DEBUG: Push Event Hub")
                 guard let eventEntity = try? EventEntity.decode(from: data) else { return }
                 self?.eventHub.push(event: eventEntity)
             }
@@ -35,6 +37,7 @@ public final class EventConnectionHostRepositoryImpl: EventConnectionRepository
         eventHub.resultEventPublisher
             .sink { [weak self] entityList in
                 guard let encodedData = try? entityList.encode() else { return }
+                print("DEBUG: EventHub Result Send")
                 self?.clients.forEach { $0.sendData(data: encodedData)}
                 self?.sendToViewModel.send(entityList)
             }