✨ 그룹 수정 전 중복확인을 반드시 하도록 변경

Author: soopeach

presentation/src/main/java/com/whyranoid/presentation/community/group/edit/EditGroupFragment.kt

@@ -51,6 +51,22 @@ internal class EditGroupFragment :
                     ).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,
@@ -69,7 +85,7 @@ internal class EditGroupFragment :
         }
 
         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/edit/EditGroupViewModel.kt

@@ -4,6 +4,7 @@ import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.whyranoid.domain.model.toRule
+import com.whyranoid.domain.usecase.CheckIsDuplicatedGroupNameUseCase
 import com.whyranoid.domain.usecase.UpdateGroupInfoUseCase
 import com.whyranoid.presentation.model.GroupInfoUiModel
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -20,10 +21,11 @@ import javax.inject.Inject
 @HiltViewModel
 class EditGroupViewModel @Inject constructor(
     private val updateGroupInfoUseCase: UpdateGroupInfoUseCase,
+    private val checkIsDuplicatedGroupNameUseCase: CheckIsDuplicatedGroupNameUseCase,
     stateHandle: SavedStateHandle
 ) : ViewModel() {
 
-    private val initGroupInfo = stateHandle.get<GroupInfoUiModel>("groupInfo")!!
+    private val initGroupInfo = requireNotNull(stateHandle.get<GroupInfoUiModel>("groupInfo"))
 
     val groupName = MutableStateFlow<String>(initGroupInfo.name)
     val groupIntroduce = MutableStateFlow<String>(initGroupInfo.introduce)
@@ -32,7 +34,9 @@ class EditGroupViewModel @Inject constructor(
     private val _eventFlow = MutableSharedFlow<Event>()
     val eventFlow = _eventFlow.asSharedFlow()
 
-    val isButtonEnable: StateFlow<Boolean>
+    private val isNotDuplicate = MutableStateFlow(false)
+
+    val isDoubleCheckButtonEnable: StateFlow<Boolean>
         get() = groupName.combine(groupIntroduce) { name, introduce ->
             name.trim().isNotEmpty() && introduce.trim().isNotEmpty()
         }.stateIn(
@@ -41,37 +45,60 @@ class EditGroupViewModel @Inject constructor(
             started = SharingStarted.WhileSubscribed(5000)
         )
 
-    // TODO : 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() {
         emitEvent(Event.AddRuleButtonClick)
     }
 
     fun emitEvent(event: Event) {
-        when (event) {
-            is Event.AddRuleButtonClick,
-            Event.WarningButtonClick -> {
-                viewModelScope.launch {
+        viewModelScope.launch {
+            when (event) {
+                is Event.AddRuleButtonClick,
+                Event.WarningButtonClick -> {
                     _eventFlow.emit(event)
                 }
-            }
-            // TODO : 성공 여부에 따른 분기처리
-            is Event.EditGroupButtonClick -> {
-                viewModelScope.launch {
-                    val isSuccess = updateGroupInfoUseCase(
-                        groupId = initGroupInfo.groupId,
-                        groupName = groupName.value,
-                        groupIntroduce = groupIntroduce.value,
-                        rules = rules.value.map {
-                            it.toRule()
-                        }
-                    )
-                    if (isSuccess) {
-                        _eventFlow.emit(event)
+                is Event.DuplicateCheckButtonClick -> {
+                    if (event.isDuplicatedGroupName) {
+                        _eventFlow.emit(event.copy(isDuplicatedGroupName = true))
                     } else {
-                        _eventFlow.emit(Event.EditGroupButtonClick(false))
+                        _eventFlow.emit(event)
+                    }
+                }
+                // TODO : 성공 여부에 따른 분기처리
+                is Event.EditGroupButtonClick -> {
+                    viewModelScope.launch {
+                        val isSuccess = updateGroupInfoUseCase(
+                            groupId = initGroupInfo.groupId,
+                            groupName = groupName.value,
+                            groupIntroduce = groupIntroduce.value,
+                            rules = rules.value.map {
+                                it.toRule()
+                            }
+                        )
+                        if (isSuccess) {
+                            _eventFlow.emit(event)
+                        } else {
+                            _eventFlow.emit(Event.EditGroupButtonClick(false))
+                        }
                     }
                 }
             }

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

@@ -5,4 +5,5 @@ sealed class Event {
     data class EditGroupButtonClick(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_edit_group.xml

@@ -59,7 +59,7 @@
             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"