[AN] feat: 채팅 폴링 구현

android/app/src/main/java/com/happy/friendogly/application/di/NetworkModule.kt

@@ -67,14 +67,20 @@ object NetworkModule {
     @Singleton
     fun provideAuthService(
         @Base baseUrl: BaseUrl,
+        authenticatorInterceptor: AuthorizationInterceptor,
         converterFactory: Factory,
     ): AuthService =
-        Retrofit.Builder().baseUrl(baseUrl.url).client(
-            createOkHttpClient {
-                addInterceptor(ErrorResponseInterceptor())
-                addInterceptor(logging)
-            },
-        ).addConverterFactory(converterFactory).build()
+        Retrofit
+            .Builder()
+            .baseUrl(baseUrl.url)
+            .client(
+                createOkHttpClient {
+                    addInterceptor(authenticatorInterceptor)
+                    addInterceptor(ErrorResponseInterceptor())
+                    addInterceptor(logging)
+                },
+            ).addConverterFactory(converterFactory)
+            .build()
             .create(AuthService::class.java)
 
     @Singleton
@@ -84,34 +90,40 @@ object NetworkModule {
         authenticator: Authenticator,
         authenticatorInterceptor: AuthorizationInterceptor,
         converterFactory: Factory,
-    ): Retrofit {
-        return Retrofit.Builder().baseUrl(baseUrl.url).client(
-            createOkHttpClient {
-                addInterceptor(authenticatorInterceptor)
-                authenticator(authenticator)
-                addInterceptor(ErrorResponseInterceptor())
-                addInterceptor(logging)
-            },
-        ).addConverterFactory(converterFactory).build()
-    }
+    ): Retrofit =
+        Retrofit
+            .Builder()
+            .baseUrl(baseUrl.url)
+            .client(
+                createOkHttpClient {
+                    addInterceptor(authenticatorInterceptor)
+                    authenticator(authenticator)
+                    addInterceptor(ErrorResponseInterceptor())
+                    addInterceptor(logging)
+                },
+            ).addConverterFactory(converterFactory)
+            .build()
 
     @Singleton
     @Provides
     fun provideStumpClient(
         authenticator: Authenticator,
         authenticatorInterceptor: AuthorizationInterceptor,
-    ): StompClient {
-        return createOkHttpClient {
+    ): StompClient =
+        createOkHttpClient {
             addInterceptor(authenticatorInterceptor)
             authenticator(authenticator)
             addInterceptor(ErrorResponseInterceptor())
             addInterceptor(logging)
         }.let(::OkHttpWebSocketClient).let(
             ::StompClient,
         )
-    }
 
     private fun createOkHttpClient(interceptors: OkHttpClient.Builder.() -> Unit = { }): OkHttpClient =
-        OkHttpClient.Builder().callTimeout(Duration.ofMinutes(TIME_OUT_MINUTE))
-            .pingInterval(Duration.ofSeconds(PING_OUT_SECOND)).apply(interceptors).build()
+        OkHttpClient
+            .Builder()
+            .callTimeout(Duration.ofMinutes(TIME_OUT_MINUTE))
+            .pingInterval(Duration.ofSeconds(PING_OUT_SECOND))
+            .apply(interceptors)
+            .build()
 }

android/app/src/main/java/com/happy/friendogly/data/mapper/ChatMemberMapper.kt

@@ -24,6 +24,8 @@ fun ChatRoomListDto.toDomain(): ChatRooms =
                     clubName = it.clubName,
                     memberCount = it.memberCount,
                     clubImageUrl = it.clubImageUrl,
+                    recentMessage = it.recentMessage,
+                    recentMessageCreatedAt = it.recentMessageCreatedAt,
                 )
             },
     )

android/app/src/main/java/com/happy/friendogly/data/model/ChatRoomDto.kt

@@ -1,8 +1,12 @@
 package com.happy.friendogly.data.model
 
+import java.time.LocalDateTime
+
 data class ChatRoomDto(
     val chatRoomId: Long,
     val clubName: String,
     val memberCount: Int,
     val clubImageUrl: String? = null,
+    val recentMessage: String?,
+    val recentMessageCreatedAt: LocalDateTime?,
 )

android/app/src/main/java/com/happy/friendogly/domain/model/ChatRoom.kt

@@ -1,8 +1,12 @@
 package com.happy.friendogly.domain.model
 
+import java.time.LocalDateTime
+
 data class ChatRoom(
     val chatRoomId: Long,
     val clubName: String,
     val memberCount: Int,
     val clubImageUrl: String? = null,
+    val recentMessage: String?,
+    val recentMessageCreatedAt: LocalDateTime?,
 )

android/app/src/main/java/com/happy/friendogly/presentation/ui/chatlist/ChatBindingAdapter.kt

@@ -1,5 +1,6 @@
 package com.happy.friendogly.presentation.ui.chatlist
 
+import android.view.View
 import android.widget.TextView
 import androidx.core.view.isVisible
 import androidx.databinding.BindingAdapter
@@ -10,7 +11,11 @@ import java.time.format.DateTimeFormatter
 private const val MAX_MESSAGE_COUNT = 999
 
 @BindingAdapter("chatDateTime")
-fun TextView.dateTimeString(dateTime: ChatDateTime) {
+fun TextView.dateTimeString(dateTime: ChatDateTime?) {
+    if (dateTime == null) {
+        this.visibility = View.GONE
+        return
+    }
     val timeFormatter = DateTimeFormatter.ofPattern(context.getString(R.string.chat_time))
     val dateFormatter = DateTimeFormatter.ofPattern(context.getString(R.string.chat_date))
 

android/app/src/main/java/com/happy/friendogly/presentation/ui/chatlist/ChatListFragment.kt

@@ -26,15 +26,19 @@ class ChatListFragment :
         binding.vm = viewModel
     }
 
-    override fun onStart() {
-        super.onStart()
-        viewModel.getChats()
+    override fun onHiddenChanged(hidden: Boolean) {
+        super.onHiddenChanged(hidden)
+        if (hidden) {
+            viewModel.cancelPolling()
+        } else {
+            viewModel.getPollingChats()
+        }
     }
 
     private fun initAdapter() {
         adapter = ChatListAdapter(this)
         binding.rcvChatList.adapter = adapter
-        viewModel.getChats()
+        viewModel.getPollingChats()
         viewModel.chats.observe(viewLifecycleOwner) { chats ->
             adapter.submitList(chats)
         }
@@ -43,7 +47,7 @@ class ChatListFragment :
 
     private fun swipeEvent() {
         binding.swipelayoutChatListRefresh.setOnRefreshListener {
-            viewModel.getChats()
+            viewModel.getPollingChats()
             binding.swipelayoutChatListRefresh.isRefreshing = false
         }
     }
@@ -59,7 +63,7 @@ class ChatListFragment :
             ) { result ->
 
                 if (result.resultCode == LEAVE_CHAT_CODE) {
-                    viewModel.getChats()
+                    viewModel.getPollingChats()
                 }
             }
     }

android/app/src/main/java/com/happy/friendogly/presentation/ui/chatlist/ChatListMapper.kt

@@ -9,10 +9,10 @@ import java.time.LocalDateTime
 fun ChatRoom.toUiModel(): ChatListUiModel =
     ChatListUiModel(
         clubName,
-        "",
+        recentMessage,
         memberCount,
         0,
-        LocalDateTime.of(2024, 6, 7, 13, 6).classifyChatDateTime(),
+        recentMessageCreatedAt?.classifyChatDateTime(),
         clubImageUrl,
         chatRoomId = chatRoomId,
     )

android/app/src/main/java/com/happy/friendogly/presentation/ui/chatlist/ChatListViewModel.kt

@@ -8,6 +8,9 @@ import com.happy.friendogly.domain.usecase.GetChatListUseCase
 import com.happy.friendogly.presentation.base.BaseViewModel
 import com.happy.friendogly.presentation.ui.chatlist.uimodel.ChatListUiModel
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
@@ -23,19 +26,30 @@ class ChatListViewModel
         var memberId: Long = 0L
             private set
 
+        private var pollJob: Job? = null
+
         val isChatEmpty =
             MediatorLiveData<Boolean>().apply {
                 addSource(_chats) {
                     value = it.isEmpty()
                 }
             }
 
-        fun getChats() {
-            viewModelScope.launch {
-                getChatListUseCase.invoke().onSuccess { room ->
-                    _chats.value = room.chatRooms.map { it.toUiModel() }
-                    memberId = room.myMemberId
+        fun getPollingChats() {
+            pollJob?.cancel()
+            pollJob =
+                viewModelScope.launch {
+                    while (this.isActive) {
+                        getChatListUseCase.invoke().onSuccess { room ->
+                            _chats.value = room.chatRooms.map { it.toUiModel() }
+                            memberId = room.myMemberId
+                        }
+                        delay(1000)
+                    }
                 }
-            }
+        }
+
+        fun cancelPolling() {
+            pollJob?.cancel()
         }
     }

android/app/src/main/java/com/happy/friendogly/presentation/ui/chatlist/uimodel/ChatListUiModel.kt

@@ -4,10 +4,10 @@ import java.time.LocalDateTime
 
 data class ChatListUiModel(
     val title: String,
-    val body: String,
+    val body: String?,
     val numberOfPeople: Int,
     val unreadMessageCount: Int,
-    val dateTime: ChatDateTime,
+    val dateTime: ChatDateTime?,
     val imageUrl: String? = null,
     val chatRoomId: Long = 0,
 ) {

android/app/src/main/java/com/happy/friendogly/remote/api/ApiClient.kt

@@ -57,7 +57,7 @@ class ApiClient {
 
     object ChatRoom {
         private const val BASE_URL = "/api/chat-rooms"
-        const val CHAT_LIST = "$BASE_URL/mine"
+        const val CHAT_LIST = "$BASE_URL/mine/v2"
         const val MEMBERS = "$BASE_URL/{chatRoomId}"
         const val CLUB = "$BASE_URL/{chatRoomId}/club"
         const val LEAVE = "$BASE_URL/leave/{chatRoomId}"

android/app/src/main/java/com/happy/friendogly/remote/mapper/ChatRoomMapper.kt

@@ -11,9 +11,11 @@ fun ChatRoomListResponse.toData(): ChatRoomListDto =
             chatRooms.map {
                 ChatRoomDto(
                     chatRoomId = it.chatRoomId,
-                    clubName = it.clubName,
+                    clubName = it.title,
                     memberCount = it.memberCount,
-                    clubImageUrl = it.clubImageUrl,
+                    clubImageUrl = it.imageUrl,
+                    recentMessage = it.recentMessage,
+                    recentMessageCreatedAt = it.recentMessageCreatedAt,
                 )
             },
     )

android/app/src/main/java/com/happy/friendogly/remote/model/response/ChatRoomResponse.kt

@@ -1,11 +1,16 @@
 package com.happy.friendogly.remote.model.response
 
+import com.happy.friendogly.remote.util.JavaLocalDateTimeSerializer
 import kotlinx.serialization.Serializable
+import java.time.LocalDateTime
 
 @Serializable
 data class ChatRoomResponse(
     val chatRoomId: Long,
-    val clubName: String,
     val memberCount: Int,
-    val clubImageUrl: String? = null,
+    val title: String,
+    val imageUrl: String? = null,
+    val recentMessage: String?,
+    @Serializable(with = JavaLocalDateTimeSerializer::class)
+    val recentMessageCreatedAt: LocalDateTime?,
 )

android/app/src/main/res/layout/item_chat_list.xml

@@ -41,6 +41,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="12dp"
+            android:layout_marginBottom="7dp"
             app:layout_constraintStart_toEndOf="@id/iv_chat_group"
             app:layout_constraintBottom_toBottomOf="@id/iv_chat_group"
             app:layout_constraintTop_toTopOf="@id/iv_chat_group"
@@ -59,7 +60,6 @@
 
         <TextView
             android:id="@+id/tv_chat_body"
-            android:visibility="gone"
             style="@style/Theme.AppCompat.TextView.Regular.Gray07.Size12"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
@@ -72,7 +72,6 @@
             tools:text="다들 언제 모이시는게 편하세요?" />
 
         <TextView
-            android:visibility="gone"
             android:id="@+id/tv_chat_date_time"
             style="@style/Theme.AppCompat.TextView.Regular.Gray07.Size10"
             chatDateTime="@{dateTime}"

android/app/src/main/res/layout/item_chat_other.xml

@@ -52,15 +52,14 @@
             <TextView
                 android:id="@+id/tv_chat_other_message"
                 style="@style/Theme.AppCompat.TextView.Regular.Size16"
-                android:layout_width="0dp"
+                android:layout_width="wrap_content"
+                app:layout_constrainedWidth="true"
                 android:layout_height="wrap_content"
-                android:layout_marginEnd="100dp"
-                android:layout_weight="0"
                 android:background="@drawable/rect_gray03_fill_16"
                 android:paddingHorizontal="16dp"
                 android:paddingVertical="11dp"
                 android:textColor="@color/black"
-                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/tv_chat_other_time"
                 app:layout_constraintHorizontal_bias="0"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"
@@ -70,16 +69,15 @@
             <TextView
                 android:id="@+id/tv_chat_other_time"
                 style="@style/Theme.AppCompat.TextView.Regular.Gray07.Size10"
-                android:layout_width="0dp"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="bottom"
                 android:layout_marginStart="5dp"
                 android:layout_marginBottom="2dp"
-                android:layout_weight="1"
                 android:minWidth="120dp"
                 app:layout_constraintBottom_toBottomOf="@id/tv_chat_other_message"
                 app:layout_constraintHorizontal_chainStyle="packed"
-                app:layout_constraintStart_toEndOf="@id/tv_chat_other_message"
+                app:layout_constraintEnd_toEndOf="parent"
                 tools:text="오후 2:23" />
 
         </androidx.constraintlayout.widget.ConstraintLayout>