retain conversation successfully

Signed-off-by: sowjanyakch <sowjanya.kch@gmail.com>

app/src/main/java/com/nextcloud/talk/api/NcApiCoroutines.kt

@@ -258,4 +258,7 @@ interface NcApiCoroutines {
 
     @GET
     suspend fun getProfile(@Header("Authorization") authorization: String, @Url url: String): ProfileOverall
+
+    @DELETE
+    suspend fun unbindRoom(@Header("Authorization") authorization: String, @Url url: String): GenericOverall
 }

app/src/main/java/com/nextcloud/talk/chat/ChatActivity.kt

@@ -1073,6 +1073,27 @@ class ChatActivity :
             binding.voiceRecordingLock.y -= y
         }
 
+        chatViewModel.unbindRoomResult.observe(this) { uiState ->
+            when (uiState) {
+                is ChatViewModel.UnbindRoomUiState.Success -> {
+                    binding.conversationDeleteNotice.visibility = View.GONE
+                    Snackbar.make(
+                        binding.root,
+                        context.getString(R.string.nc_room_retention),
+                        Snackbar.LENGTH_LONG
+                    ).show()
+                }
+                is ChatViewModel.UnbindRoomUiState.Error -> {
+                    Snackbar.make(
+                        binding.root,
+                        context.getString(R.string.nc_common_error_sorry),
+                        Snackbar.LENGTH_LONG
+                    ).show()
+                }
+                else -> { }
+            }
+        }
+
         chatViewModel.outOfOfficeViewState.observe(this) { uiState ->
             when (uiState) {
                 is ChatViewModel.OutOfOfficeUIState.Error -> {
@@ -1207,13 +1228,11 @@ class ChatActivity :
         }
 
         binding.conversationDeleteNotice.findViewById<MaterialButton>(R.id.keep_button).setOnClickListener {
-
+            chatViewModel.unbindRoom(credentials!!, conversationUser?.baseUrl!!, currentConversation?.token!!)
         }
     }
 
-
     fun deleteConversationDialog(context: Context)  {
-
         val dialogBuilder = MaterialAlertDialogBuilder(context)
             .setIcon(
                 viewThemeUtils.dialog
@@ -1236,7 +1255,6 @@ class ChatActivity :
             dialog.getButton(AlertDialog.BUTTON_POSITIVE),
             dialog.getButton(AlertDialog.BUTTON_NEGATIVE)
         )
-
     }
 
     @Suppress("Detekt.TooGenericExceptionCaught")

app/src/main/java/com/nextcloud/talk/chat/data/network/ChatNetworkDataSource.kt

@@ -76,4 +76,5 @@ interface ChatNetworkDataSource {
         limit: Int
     ): List<ChatMessageJson>
     suspend fun getOpenGraph(credentials: String, baseUrl: String, extractedLinkToPreview: String): Reference?
+    suspend fun unbindRoom(credentials: String, baseUrl: String, roomToken: String): GenericOverall
 }

app/src/main/java/com/nextcloud/talk/chat/data/network/RetrofitChatNetwork.kt

@@ -217,4 +217,9 @@ class RetrofitChatNetwork(
             extractedLinkToPreview
         ).blockingFirst().ocs?.data?.references?.entries?.iterator()?.next()?.value
     }
+
+    override suspend fun unbindRoom(credentials: String, baseUrl: String, roomToken: String): GenericOverall {
+        val url = ApiUtils.getUrlForUnbindingRoom(baseUrl, roomToken)
+        return ncApiCoroutines.unbindRoom(credentials, url)
+    }
 }

app/src/main/java/com/nextcloud/talk/chat/viewmodels/ChatViewModel.kt

@@ -146,6 +146,10 @@ class ChatViewModel @Inject constructor(
     val outOfOfficeViewState: LiveData<OutOfOfficeUIState>
         get() = _outOfOfficeViewState
 
+    private val _unbindRoomResult = MutableLiveData<UnbindRoomUiState>(UnbindRoomUiState.None)
+    val unbindRoomResult: LiveData<UnbindRoomUiState>
+        get() = _unbindRoomResult
+
     private val _voiceMessagePlaybackSpeedPreferences: MutableLiveData<Map<String, PlaybackSpeed>> = MutableLiveData()
     val voiceMessagePlaybackSpeedPreferences: LiveData<Map<String, PlaybackSpeed>>
         get() = _voiceMessagePlaybackSpeedPreferences
@@ -804,6 +808,17 @@ class ChatViewModel @Inject constructor(
         }
     }
 
+    fun unbindRoom(credentials: String, baseUrl: String, roomToken: String)  {
+        viewModelScope.launch {
+            try {
+                val response = chatNetworkDataSource.unbindRoom(credentials, baseUrl, roomToken)
+                _unbindRoomResult.value = UnbindRoomUiState.Success(response.ocs?.meta?.statusCode!!)
+            } catch (exception: Exception) {
+                _unbindRoomResult.value = UnbindRoomUiState.Error(exception.message.toString())
+            }
+        }
+    }
+
     fun resendMessage(credentials: String, urlForChat: String, message: ChatMessage) {
         viewModelScope.launch {
             chatRepository.resendChatMessage(
@@ -855,4 +870,10 @@ class ChatViewModel @Inject constructor(
         data class Success(val userAbsence: UserAbsenceData) : OutOfOfficeUIState()
         data class Error(val exception: Exception) : OutOfOfficeUIState()
     }
+
+    sealed class UnbindRoomUiState {
+        data object None : UnbindRoomUiState()
+        data class Success(val statusCode: Int) : UnbindRoomUiState()
+        data class Error(val message: String) : UnbindRoomUiState()
+    }
 }

app/src/main/java/com/nextcloud/talk/utils/ApiUtils.kt

@@ -449,6 +449,10 @@ object ApiUtils {
         return "$baseUrl$OCS_API_VERSION/cloud/users/search/by-phone"
     }
 
+    fun getUrlForUnbindingRoom(baseUrl: String, roomToken: String): String  {
+        return "$baseUrl/ocs/v2.php/apps/spreed/api/v4/room/$roomToken/object"
+    }
+
     fun getUrlForFileUpload(baseUrl: String, user: String, remotePath: String): String {
         return "$baseUrl/remote.php/dav/files/$user$remotePath"
     }

app/src/main/res/values/strings.xml

@@ -521,6 +521,7 @@ How to translate with transifex:
         leaked to other services</string>
     <string name="startCallForbidden">You are not allowed to start a call</string>
     <string name="nc_last_moderator_leaving_room_warning">You need to promote a new moderator before you can leave the conversation</string>
+    <string name="nc_room_retention">Room was retained successfully</string>
 
     <string name="share">Share</string>
     <string name="send_to">Send to</string>