🔀 #26 from boostcampwm-2022/feat/myGroupList

soopeach · web-flow · commit f899c96ee89a · 2022-11-22T11:19:01.000+09:00
내 그룹 탭 임시 구현
diff --git a/build.gradle b/build.gradle
@@ -23,6 +23,7 @@ buildscript {
         splashVersion = "1.0.0"
         dataStoreVersion = "1.0.0"
         viewPager2Version = "1.0.0"
+        shimmerVersion = "0.5.0"
         desugarVersion = "2.0.0"
         calendarVersion = "1.0.4"
     }
diff --git a/data/src/main/java/com/whyranoid/data/account/AccountRepositoryImpl.kt b/data/src/main/java/com/whyranoid/data/account/AccountRepositoryImpl.kt
@@ -4,6 +4,7 @@ import com.whyranoid.domain.model.User
 import com.whyranoid.domain.repository.AccountRepository
 import javax.inject.Inject
 
+// TODO AccountRepositoryImpl 재구현 필요!! 현재는 Fake 상태
 class AccountRepositoryImpl @Inject constructor() : AccountRepository {
     override suspend fun getUser(): Result<User> {
         return Result.success(User("byeonghee-uid", "병희", "github.com/bngsh"))
diff --git a/data/src/main/java/com/whyranoid/data/group/GroupRepositoryImpl.kt b/data/src/main/java/com/whyranoid/data/group/GroupRepositoryImpl.kt
@@ -19,6 +19,8 @@ class GroupRepositoryImpl @Inject constructor(
         return userDataSource.getMyGroupList(uid)
     }
 
+    override fun getMyGroupListFlow(uid: String) = userDataSource.getMyGroupListFlow(uid)
+
     override suspend fun updateGroupInfo(
         groupId: String,
         groupName: String,
diff --git a/data/src/main/java/com/whyranoid/data/user/UserDataSource.kt b/data/src/main/java/com/whyranoid/data/user/UserDataSource.kt
@@ -12,6 +12,9 @@ import com.whyranoid.data.model.toGroupInfo
 import com.whyranoid.data.model.toRule
 import com.whyranoid.data.model.toUser
 import com.whyranoid.domain.model.GroupInfo
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.tasks.await
 import javax.inject.Inject
 
@@ -58,4 +61,52 @@ class UserDataSource @Inject constructor(
             if (myGroupInfoList.size == 0) throw NO_JOINED_GROUP_EXCEPTION else myGroupInfoList
         }
     }
+
+    // TODO: 콜백을 suspend로 변경
+    // TODO: 예외처리
+    fun getMyGroupListFlow(uid: String): Flow<List<GroupInfo>> = callbackFlow {
+        db.collection(USERS_COLLECTION)
+            .document(uid)
+            .addSnapshotListener { documentSnapshot, _ ->
+                val myGroupInfoList = mutableListOf<GroupInfo>()
+                val joinedGroupList =
+                    documentSnapshot?.toObject(UserResponse::class.java)?.joinedGroupList
+
+                joinedGroupList?.forEach { groupId ->
+
+                    db.collection(GROUPS_COLLECTION)
+                        .document(groupId)
+                        .get()
+                        .addOnSuccessListener { documentSnapshot ->
+
+                            val groupInfoResponse =
+                                documentSnapshot.toObject(GroupInfoResponse::class.java)
+
+                            groupInfoResponse?.let {
+                                db.collection(USERS_COLLECTION)
+                                    .document(it.leaderId)
+                                    .get()
+                                    .addOnSuccessListener { documentSnapshot ->
+                                        val leader =
+                                            documentSnapshot.toObject(UserResponse::class.java)
+                                                ?.toUser()
+
+                                        leader?.let {
+                                            val groupInfo = groupInfoResponse.toGroupInfo(
+                                                leader = leader,
+                                                rules = groupInfoResponse.rules.map {
+                                                    it.toRule()
+                                                }
+                                            )
+                                            myGroupInfoList.add(groupInfo)
+                                            trySend(myGroupInfoList)
+                                        }
+                                    }
+                            }
+                        }
+                }
+            }
+
+        awaitClose()
+    }
 }
diff --git a/domain/src/main/java/com/whyranoid/domain/repository/GroupRepository.kt b/domain/src/main/java/com/whyranoid/domain/repository/GroupRepository.kt
@@ -9,6 +9,8 @@ interface GroupRepository {
 
     suspend fun getMyGroupList(uid: String): Result<List<GroupInfo>>
 
+    fun getMyGroupListFlow(uid: String): Flow<List<GroupInfo>>
+
     // 그룹 정보 수정, 홍보 글 수정
     suspend fun updateGroupInfo(
         groupId: String,
diff --git a/domain/src/main/java/com/whyranoid/domain/usecase/GetMyGroupListUseCase.kt b/domain/src/main/java/com/whyranoid/domain/usecase/GetMyGroupListUseCase.kt
@@ -3,18 +3,15 @@ package com.whyranoid.domain.usecase
 import com.whyranoid.domain.model.GroupInfo
 import com.whyranoid.domain.repository.AccountRepository
 import com.whyranoid.domain.repository.GroupRepository
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 class GetMyGroupListUseCase @Inject constructor(
     private val groupRepository: GroupRepository,
     private val accountRepository: AccountRepository
 ) {
-    suspend operator fun invoke(): Result<List<GroupInfo>> {
-        accountRepository.getUid().onSuccess { uid ->
-            return groupRepository.getMyGroupList(uid)
-        }.onFailure {
-            println("UID 이상해 희희")
-        }
-        return Result.failure(Exception("UID 이상해 희희"))
+    // TODO accountRepository에서 uid를 받아온 후 동작하도록 수정
+    operator fun invoke(): Flow<List<GroupInfo>> {
+        return groupRepository.getMyGroupListFlow("hsjeon")
     }
 }
diff --git a/presentation/build.gradle b/presentation/build.gradle
@@ -75,6 +75,9 @@ dependencies {
     // ViewPager2
     implementation "androidx.viewpager2:viewpager2:$viewPager2Version"
 
+    // shimmer
+    implementation "com.facebook.shimmer:shimmer:$shimmerVersion"
+    
     // Calendar Library
     implementation "com.github.kizitonwose:CalendarView:$calendarVersion"
 }
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/CommunityItemFragment.kt b/presentation/src/main/java/com/whyranoid/presentation/community/CommunityItemFragment.kt
@@ -3,18 +3,27 @@ package com.whyranoid.presentation.community
 import android.os.Build
 import android.os.Bundle
 import android.view.View
+import androidx.core.view.isVisible
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
+import com.google.android.material.snackbar.Snackbar
 import com.whyranoid.presentation.R
 import com.whyranoid.presentation.base.BaseFragment
 import com.whyranoid.presentation.databinding.FragmentCommunityItemBinding
+import com.whyranoid.presentation.util.repeatWhenUiStarted
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
 
 @AndroidEntryPoint
 internal class CommunityItemFragment :
     BaseFragment<FragmentCommunityItemBinding>(R.layout.fragment_community_item) {
 
     private val viewModel: CommunityViewModel by viewModels()
 
+    init {
+        observe()
+    }
+
     private val category by lazy {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             arguments?.getSerializable(COMMUNITY_CATEGORY_KEY, CommunityCategory::class.java)
@@ -27,6 +36,60 @@ internal class CommunityItemFragment :
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+
+        // TODO : 카테고리 별 다른 Shimmer Layout 생성
+        when (category) {
+            CommunityCategory.BOARD -> {
+                // TODO: Adapter 설정
+            }
+            CommunityCategory.MY_GROUP -> {
+                setMyGroupAdapter()
+            }
+            CommunityCategory.MY_POST -> {
+                // TODO: Adapter 설정
+            }
+        }
+    }
+
+    private fun observe() {
+        repeatWhenUiStarted {
+            viewModel.eventFlow.collect { event ->
+                handleEvent(event)
+            }
+        }
+    }
+
+    private fun handleEvent(event: Event) {
+        when (event) {
+            is Event.CategoryItemClick -> {
+                Snackbar.make(binding.root, "${event.groupInfo.name} 클릭됨", Snackbar.LENGTH_SHORT)
+                    .show()
+            }
+        }
+    }
+
+    // TODO 카테고리 별 다른 아이템 처리
+    private fun setMyGroupAdapter() {
+        val adapter = MyGroupAdapter { groupInfo ->
+            viewModel.onCategoryItemClicked(groupInfo)
+        }
+        binding.rvCommunity.adapter = adapter
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModel.getMyGroupListUseCase().collect { groupList ->
+                removeShimmer()
+                adapter.submitList(groupList.sortedBy { it.name })
+            }
+        }
+    }
+
+    private fun removeShimmer() {
+        binding.shimmerCommunity.apply {
+            if (isShimmerStarted) {
+                stopShimmer()
+                isVisible = false
+            }
+        }
     }
 
     companion object {
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/CommunityViewModel.kt b/presentation/src/main/java/com/whyranoid/presentation/community/CommunityViewModel.kt
@@ -1,8 +1,32 @@
 package com.whyranoid.presentation.community
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.whyranoid.domain.model.GroupInfo
+import com.whyranoid.domain.usecase.GetMyGroupListUseCase
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @HiltViewModel
-class CommunityViewModel @Inject constructor() : ViewModel()
+class CommunityViewModel @Inject constructor(
+    val getMyGroupListUseCase: GetMyGroupListUseCase
+) : ViewModel() {
+
+    private val _eventFlow = MutableSharedFlow<Event>()
+    val eventFlow: SharedFlow<Event>
+        get() = _eventFlow.asSharedFlow()
+
+    fun onCategoryItemClicked(groupInfo: GroupInfo) {
+        event(Event.CategoryItemClick(groupInfo))
+    }
+
+    private fun event(event: Event) {
+        viewModelScope.launch {
+            _eventFlow.emit(event)
+        }
+    }
+}
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/Event.kt b/presentation/src/main/java/com/whyranoid/presentation/community/Event.kt
@@ -0,0 +1,7 @@
+package com.whyranoid.presentation.community
+
+import com.whyranoid.domain.model.GroupInfo
+
+sealed class Event {
+    data class CategoryItemClick(val groupInfo: GroupInfo) : Event()
+}
diff --git a/presentation/src/main/java/com/whyranoid/presentation/community/MyGroupAdapter.kt b/presentation/src/main/java/com/whyranoid/presentation/community/MyGroupAdapter.kt
@@ -0,0 +1,48 @@
+package com.whyranoid.presentation.community
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.whyranoid.domain.model.GroupInfo
+import com.whyranoid.presentation.databinding.MyGroupItemBinding
+
+class MyGroupAdapter(private val onClickListener: (GroupInfo) -> Unit) :
+    ListAdapter<GroupInfo, MyGroupAdapter.MyGroupViewHolder>(diffUtil) {
+
+    companion object {
+        val diffUtil = object : DiffUtil.ItemCallback<GroupInfo>() {
+            override fun areItemsTheSame(oldItem: GroupInfo, newItem: GroupInfo): Boolean =
+                oldItem.groupId == newItem.groupId
+
+            override fun areContentsTheSame(oldItem: GroupInfo, newItem: GroupInfo): Boolean =
+                oldItem == newItem
+        }
+    }
+
+    class MyGroupViewHolder(private val binding: MyGroupItemBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+        fun bind(groupInfo: GroupInfo) {
+            binding.groupInfo = groupInfo
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyGroupViewHolder {
+        val layoutInflater =
+            MyGroupItemBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return MyGroupViewHolder(layoutInflater)
+    }
+
+    override fun onBindViewHolder(holder: MyGroupViewHolder, position: Int) {
+        val curItem = getItem(position)
+        holder.apply {
+            itemView.setOnClickListener {
+                curItem?.let { groupInfo ->
+                    onClickListener(groupInfo)
+                }
+            }
+            bind(groupInfo = curItem)
+        }
+    }
+}
diff --git a/presentation/src/main/res/layout/fragment_community.xml b/presentation/src/main/res/layout/fragment_community.xml
@@ -19,7 +19,7 @@
             app:layout_constraintTop_toTopOf="parent">
 
             <com.google.android.material.appbar.MaterialToolbar
-                android:id="@+id/topAppBar"
+                android:id="@+id/top_app_bar"
                 style="@style/Widget.MaterialComponents.Toolbar.Primary"
                 android:layout_width="match_parent"
                 android:layout_height="?attr/actionBarSize"
diff --git a/presentation/src/main/res/layout/fragment_community_item.xml b/presentation/src/main/res/layout/fragment_community_item.xml
@@ -19,7 +19,31 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent"/>
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+
+        <com.facebook.shimmer.ShimmerFrameLayout
+            android:id="@+id/shimmer_community"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="vertical">
+
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+                <include layout="@layout/my_group_item_loading"/>
+
+            </LinearLayout>
+
+        </com.facebook.shimmer.ShimmerFrameLayout>
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 </layout>
diff --git a/presentation/src/main/res/layout/my_group_item.xml b/presentation/src/main/res/layout/my_group_item.xml
diff --git a/presentation/src/main/res/layout/my_group_item_loading.xml b/presentation/src/main/res/layout/my_group_item_loading.xml
diff --git a/presentation/src/main/res/layout/my_post_item.xml b/presentation/src/main/res/layout/my_post_item.xml

Original file line number	Diff line number	Diff line change
`@@ -23,6 +23,7 @@ buildscript {`
`23`	`23`	`splashVersion = "1.0.0"`
`24`	`24`	`dataStoreVersion = "1.0.0"`
`25`	`25`	`viewPager2Version = "1.0.0"`
	`26`	`+ shimmerVersion = "0.5.0"`
`26`	`27`	`desugarVersion = "2.0.0"`
`27`	`28`	`calendarVersion = "1.0.4"`
`28`	`29`	`}`
Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,8 @@ class GroupRepositoryImpl @Inject constructor(`
`19`	`19`	`return userDataSource.getMyGroupList(uid)`
`20`	`20`	`}`
`21`	`21`
	`22`	`+ override fun getMyGroupListFlow(uid: String) = userDataSource.getMyGroupListFlow(uid)`
	`23`	`+`
`22`	`24`	`override suspend fun updateGroupInfo(`
`23`	`25`	`groupId: String,`
`24`	`26`	`groupName: String,`
Original file line number	Diff line number	Diff line change
`@@ -75,6 +75,9 @@ dependencies {`
`75`	`75`	`// ViewPager2`
`76`	`76`	`implementation "androidx.viewpager2:viewpager2:$viewPager2Version"`
`77`	`77`
	`78`	`+ // shimmer`
	`79`	`+ implementation "com.facebook.shimmer:shimmer:$shimmerVersion"`
	`80`	`+`
`78`	`81`	`// Calendar Library`
`79`	`82`	`implementation "com.github.kizitonwose:CalendarView:$calendarVersion"`
`80`	`83`	`}`