✨ 그룹 생성 전 중복확인을 반드시 하도록 변경

Author: soopeach

presentation/src/main/java/com/whyranoid/presentation/community/group/create/CreateGroupFragment.kt

@@ -34,12 +34,6 @@ internal class CreateGroupFragment :
                 handleEvent(event)
             }
         }
-
-        viewLifecycleOwner.repeatWhenUiStarted {
-            viewModel.rules.collect {
-                println("테스트 $it")
-            }
-        }
     }
 
     private fun handleEvent(event: Event) {
@@ -60,6 +54,22 @@ internal class CreateGroupFragment :
                     ).show()
                 }
             }
+            is Event.DuplicateCheckButtonClick -> {
+                if (event.isDuplicatedGroupName) {
+                    Snackbar.make(
+                        binding.root,
+                        getString(R.string.text_duplicated_group_name),
+                        Snackbar.LENGTH_SHORT
+                    ).show()
+                } else {
+                    Snackbar.make(
+                        binding.root,
+                        getString(R.string.text_un_duplicated_group_name),
+                        Snackbar.LENGTH_SHORT
+                    ).show()
+                    binding.etGroupName.isEnabled = false
+                }
+            }
             is Event.WarningButtonClick -> {
                 Snackbar.make(
                     binding.root,
@@ -106,7 +116,7 @@ internal class CreateGroupFragment :
         }
 
         viewLifecycleOwner.repeatWhenUiStarted {
-            viewModel.isButtonEnable.collect { isEnable ->
+            viewModel.isGroupCreateButtonEnable.collect { isEnable ->
                 if (isEnable) {
                     binding.topAppBar.menu.setGroupVisible(R.id.ready_to_create, true)
                     binding.topAppBar.menu.setGroupVisible(R.id.not_ready_to_create, false)

presentation/src/main/java/com/whyranoid/presentation/community/group/create/CreateGroupViewModel.kt

@@ -2,6 +2,7 @@ package com.whyranoid.presentation.community.group.create
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.whyranoid.domain.usecase.CheckIsDuplicatedGroupNameUseCase
 import com.whyranoid.domain.usecase.CreateGroupUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableSharedFlow
@@ -17,7 +18,8 @@ import javax.inject.Inject
 
 @HiltViewModel
 class CreateGroupViewModel @Inject constructor(
-    private val createGroupUseCase: CreateGroupUseCase
+    private val createGroupUseCase: CreateGroupUseCase,
+    private val checkIsDuplicatedGroupNameUseCase: CheckIsDuplicatedGroupNameUseCase
 ) : ViewModel() {
 
     val groupName = MutableStateFlow<String?>(null)
@@ -30,6 +32,8 @@ class CreateGroupViewModel @Inject constructor(
     private val _eventFlow = MutableSharedFlow<Event>()
     val eventFlow = _eventFlow.asSharedFlow()
 
+    private val isNotDuplicate = MutableStateFlow(false)
+
     fun onOpenDialogClicked() {
         _showDialog.value = true
     }
@@ -43,7 +47,7 @@ class CreateGroupViewModel @Inject constructor(
         _showDialog.value = false
     }
 
-    val isButtonEnable: StateFlow<Boolean>
+    val isDoubleCheckButtonEnable: StateFlow<Boolean>
         get() = groupName.combine(groupIntroduce) { name, introduce ->
             name?.trim()?.isNotEmpty() ?: false && introduce?.trim()?.isNotEmpty() ?: false
         }.stateIn(
@@ -52,8 +56,25 @@ class CreateGroupViewModel @Inject constructor(
             started = SharingStarted.WhileSubscribed(5000)
         )
 
-    // TODO 그룹명 중복확인 로직
+    val isGroupCreateButtonEnable: StateFlow<Boolean>
+        get() = combine(
+            isDoubleCheckButtonEnable,
+            isNotDuplicate
+        ) { isDoubleCheckButtonEnable, isNotDuplicate ->
+            isDoubleCheckButtonEnable && isNotDuplicate
+        }.stateIn(
+            scope = viewModelScope,
+            initialValue = false,
+            started = SharingStarted.WhileSubscribed(5000)
+        )
+
     fun onDuplicateCheckButtonClicked() {
+        viewModelScope.launch {
+            val isDuplicatedGroupName =
+                checkIsDuplicatedGroupNameUseCase(groupName.value ?: "")
+            emitEvent(Event.DuplicateCheckButtonClick(isDuplicatedGroupName))
+            isNotDuplicate.value = isDuplicatedGroupName.not()
+        }
     }
 
     fun onAddRuleButtonClicked() {
@@ -75,6 +96,13 @@ class CreateGroupViewModel @Inject constructor(
                         _eventFlow.emit(event.copy(isSuccess = false))
                     }
                 }
+                is Event.DuplicateCheckButtonClick -> {
+                    if (event.isDuplicatedGroupName) {
+                        _eventFlow.emit(event.copy(isDuplicatedGroupName = true))
+                    } else {
+                        _eventFlow.emit(event)
+                    }
+                }
                 is Event.WarningButtonClick -> {
                     _eventFlow.emit(event)
                 }

presentation/src/main/java/com/whyranoid/presentation/community/group/create/Event.kt

@@ -4,4 +4,5 @@ sealed class Event {
     data class CreateGroupButtonClick(val isSuccess: Boolean = true) : Event()
     object WarningButtonClick : Event()
     object AddRuleButtonClick : Event()
+    data class DuplicateCheckButtonClick(val isDuplicatedGroupName: Boolean = false) : Event()
 }

presentation/src/main/res/layout/fragment_create_group.xml

@@ -58,7 +58,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_margin="16dp"
-            android:enabled="@{viewModel.isButtonEnable()}"
+            android:enabled="@{viewModel.isDoubleCheckButtonEnable()}"
             android:onClick="@{() -> viewModel.onDuplicateCheckButtonClicked()}"
             android:text="@string/text_duplicate_check"
             app:layout_constraintBottom_toTopOf="@id/time_and_date_picker"

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

@@ -87,5 +87,7 @@
     <string name="running_channel_name">활동 추적</string>
     <string name="running_channel_description">달리기 활동을 추적하는 알림 채널입니다.</string>
     <string name="text_join_group">그룹 가입하기</string>
+    <string name="text_duplicated_group_name">중복된 그룹 이름입니다. 변경해주세요!</string>
+    <string name="text_un_duplicated_group_name">사용 가능한 그룹 이름입니다!</string>
 
 </resources>