✨ 그룹 가입 기능 추가

soopeach · soopeach · commit 9b4b09c4328b · 2022-12-03T18:55:59.000+09:00
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/CommunityItemFragment.kt b/presentation/src/main/java/com/whyranoid/presentation/community/CommunityItemFragment.kt
@@ -6,6 +6,7 @@ import androidx.core.view.isVisible
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
+import com.google.android.material.snackbar.Snackbar
 import com.whyranoid.presentation.R
 import com.whyranoid.presentation.base.BaseFragment
 import com.whyranoid.presentation.databinding.FragmentCommunityItemBinding
@@ -61,14 +62,31 @@ internal class CommunityItemFragment :
                     CommunityFragmentDirections.actionCommunityFragmentToGroupDetailFragment(event.groupInfo)
                 findNavController().navigate(action)
             }
+            is Event.GroupJoin -> {
+                if (event.isSuccess) {
+                    Snackbar.make(
+                        binding.root,
+                        getString(R.string.text_join_group_success),
+                        Snackbar.LENGTH_SHORT
+                    ).show()
+                } else {
+                    Snackbar.make(
+                        binding.root,
+                        getString(R.string.text_join_group_fail),
+                        Snackbar.LENGTH_SHORT
+                    ).show()
+                }
+            }
         }
     }
 
     private fun setPostAdapter() {
         viewLifecycleOwner.lifecycleScope.launch {
             val uid = viewModel.getMyUseCase()
 
-            val postAdapter = PostAdapter(uid)
+            val postAdapter = PostAdapter(uid) {
+                viewModel.onGroupJoinButtonClicked(it)
+            }
             binding.rvCommunity.adapter = postAdapter
 
             viewLifecycleOwner.repeatWhenUiStarted {
@@ -82,7 +100,7 @@ internal class CommunityItemFragment :
 
     private fun setMyGroupAdapter() {
         val myGroupAdapter = MyGroupAdapter { groupInfo ->
-            viewModel.onCategoryItemClicked(groupInfo)
+            viewModel.onGroupItemClicked(groupInfo)
         }
         binding.rvCommunity.adapter = myGroupAdapter
 
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/CommunityViewModel.kt b/presentation/src/main/java/com/whyranoid/presentation/community/CommunityViewModel.kt
@@ -6,6 +6,7 @@ import com.whyranoid.domain.model.Post
 import com.whyranoid.domain.usecase.GetMyGroupListUseCase
 import com.whyranoid.domain.usecase.GetPostsUseCase
 import com.whyranoid.domain.usecase.GetUidUseCase
+import com.whyranoid.domain.usecase.JoinGroupUseCase
 import com.whyranoid.presentation.model.GroupInfoUiModel
 import com.whyranoid.presentation.model.toGroupInfoUiModel
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -24,6 +25,7 @@ import javax.inject.Inject
 class CommunityViewModel @Inject constructor(
     getMyGroupListUseCase: GetMyGroupListUseCase,
     getPostsUseCase: GetPostsUseCase,
+    private val joinGroupUseCase: JoinGroupUseCase,
     val getMyUseCase: GetUidUseCase
 ) : ViewModel() {
 
@@ -39,13 +41,30 @@ class CommunityViewModel @Inject constructor(
     val eventFlow: SharedFlow<Event>
         get() = _eventFlow.asSharedFlow()
 
-    fun onCategoryItemClicked(groupInfo: GroupInfoUiModel) {
+    fun onGroupItemClicked(groupInfo: GroupInfoUiModel) {
         emitEvent(Event.GroupItemClick(groupInfo))
     }
 
     private fun emitEvent(event: Event) {
         viewModelScope.launch {
-            _eventFlow.emit(event)
+            when (event) {
+                is Event.GroupItemClick -> {
+                    _eventFlow.emit(event)
+                }
+                is Event.GroupJoin -> {
+                    if (event.isSuccess) {
+                        _eventFlow.emit(event)
+                    } else {
+                        _eventFlow.emit(event.copy(isSuccess = false))
+                    }
+                }
+            }
+        }
+    }
+
+    fun onGroupJoinButtonClicked(groupId: String) {
+        viewModelScope.launch {
+            emitEvent(Event.GroupJoin(joinGroupUseCase(groupId)))
         }
     }
 
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/Event.kt b/presentation/src/main/java/com/whyranoid/presentation/community/Event.kt
@@ -4,5 +4,5 @@ import com.whyranoid.presentation.model.GroupInfoUiModel
 
 sealed class Event {
     data class GroupItemClick(val groupInfo: GroupInfoUiModel) : Event()
-//    data class CategoryItemClick(val groupInfo: GroupInfoUiModel) : Event()
+    data class GroupJoin(val isSuccess: Boolean = true) : Event()
 }
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/PostAdapter.kt b/presentation/src/main/java/com/whyranoid/presentation/community/PostAdapter.kt
@@ -13,8 +13,10 @@ import com.whyranoid.domain.model.RunningPost
 import com.whyranoid.presentation.databinding.ItemRecruitPostBinding
 import com.whyranoid.presentation.databinding.ItemRunningPostBinding
 
-class PostAdapter(private val myUid: String) :
-    ListAdapter<Post, PostAdapter.PostViewHolder>(diffUtil) {
+class PostAdapter(
+    private val myUid: String,
+    private val buttonClickListener: (String) -> Unit
+) : ListAdapter<Post, PostAdapter.PostViewHolder>(diffUtil) {
 
     companion object {
         val diffUtil = object : DiffUtil.ItemCallback<Post>() {
@@ -44,11 +46,16 @@ class PostAdapter(private val myUid: String) :
     ) : PostViewHolder(binding) {
         override fun bind(post: Post) {
             if (post is RecruitPost) {
-                binding.recruitPost = post
-                if (myUid == post.author.uid) {
-                    binding.btnJoinGroup.visibility = View.GONE
-                } else {
-                    binding.btnJoinGroup.visibility = View.VISIBLE
+                with(binding) {
+                    recruitPost = post
+                    if (myUid == post.author.uid) {
+                        btnJoinGroup.visibility = View.GONE
+                    } else {
+                        btnJoinGroup.visibility = View.VISIBLE
+                        btnJoinGroup.setOnClickListener {
+                            buttonClickListener(post.groupInfo.groupId)
+                        }
+                    }
                 }
             }
         }
diff --git a/presentation/src/main/res/values/strings.xml b/presentation/src/main/res/values/strings.xml
@@ -29,6 +29,8 @@
     <string name="community_select_running_history_snack_bar">운동을 하나 선택해주세요!</string>
     <string name="community_go_to_create_running_post">인증글 생성하러 가기</string>
     <string name="community_warning_running_post">내용을 1글자 이상 입력하세요</string>
+    <string name="text_join_group_success">그룹 가입에 성공하였습니다!</string>
+    <string name="text_join_group_fail">그룹 가입에 실패하였습니다!</string>
     <string name="community_fail_create_running_post">인증글 작성에 실패했습니다</string>
     <string name="community_success_create_running_post">인증글이 등록되었습니다!</string>
     <string name="community_create_running_post_hint">인증글 내용을 입력하세요!</string>

Original file line number	Diff line number	Diff line change
`@@ -4,5 +4,5 @@ import com.whyranoid.presentation.model.GroupInfoUiModel`
`4`	`4`
`5`	`5`	`sealed class Event {`
`6`	`6`	`data class GroupItemClick(val groupInfo: GroupInfoUiModel) : Event()`
`7`		`-// data class CategoryItemClick(val groupInfo: GroupInfoUiModel) : Event()`
	`7`	`+ data class GroupJoin(val isSuccess: Boolean = true) : Event()`
`8`	`8`	`}`