Merge pull request #93 from Nexters/feature/add-history

내기록 화면 구현

Author: eshc123

core/data/history/src/main/java/com/goalpanzi/mission_mate/core/data/history/repository/HistoryRepositoryImpl.kt

@@ -12,9 +12,15 @@ import javax.inject.Inject
 class HistoryRepositoryImpl @Inject constructor(
     private val historyService: HistoryService
 ) : HistoryRepository {
-    override suspend fun getMissionHistories(page: Int): DomainResult<MissionHistories> =
+    override suspend fun getMissionHistories(
+        page: Int,
+        pageSize: Int
+    ): DomainResult<MissionHistories> =
         handleResult {
-            historyService.getMyMissionHistories(page)
+            historyService.getMyMissionHistories(
+                page = page,
+                pageSize = pageSize
+            )
         }.convert {
             it.toModel()
         }

core/designsystem/src/main/res/drawable/img_normal_trophy_gold.png

@@ -4,5 +4,5 @@ import com.goalpanzi.mission_mate.core.domain.common.DomainResult
 import com.goalpanzi.mission_mate.core.domain.history.model.MissionHistories
 
 interface HistoryRepository {
-    suspend fun getMissionHistories(page: Int) : DomainResult<MissionHistories>
+    suspend fun getMissionHistories(page: Int, pageSize: Int) : DomainResult<MissionHistories>
 }

core/domain/history/src/main/java/com/goalpanzi/mission_mate/core/domain/history/repository/HistoryRepository.kt

@@ -10,8 +10,16 @@ import javax.inject.Inject
 class GetMissionHistoriesUseCase @Inject constructor(
     private val historyRepository: HistoryRepository
 ) {
-    operator fun invoke(page: Int) : Flow<DomainResult<MissionHistories>> = flow {
-        emit(historyRepository.getMissionHistories(page))
+    operator fun invoke(
+        page: Int,
+        pageSize: Int
+    ): Flow<DomainResult<MissionHistories>> = flow {
+        emit(
+            historyRepository.getMissionHistories(
+                page = page,
+                pageSize = pageSize
+            )
+        )
     }
 }
 

core/domain/history/src/main/java/com/goalpanzi/mission_mate/core/domain/history/usecase/GetMissionHistoriesUseCase.kt

@@ -20,6 +20,10 @@ fun NavController.navigateToHistory(
 
 fun NavGraphBuilder.historyNavGraph() {
     composable<HistoryRouteModel.History> {
-        HistoryRoute()
+        HistoryRoute(
+            onHistoryClick = { history ->
+
+            }
+        )
     }
 }

feature/history/src/main/java/com/goalpanzi/mission_mate/feature/history/HistoryNavigation.kt

@@ -0,0 +1,9 @@
+package com.goalpanzi.mission_mate.feature.history
+
+import com.goalpanzi.mission_mate.feature.history.model.Histories
+
+sealed interface HistoryUiState {
+    data object Loading : HistoryUiState
+    data object Refreshing : HistoryUiState
+    data class Success(val histories: Histories) : HistoryUiState
+}

feature/history/src/main/java/com/goalpanzi/mission_mate/feature/history/HistoryUiState.kt

@@ -0,0 +1,90 @@
+package com.goalpanzi.mission_mate.feature.history
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.goalpanzi.mission_mate.core.domain.common.DomainResult
+import com.goalpanzi.mission_mate.core.domain.history.usecase.GetMissionHistoriesUseCase
+import com.goalpanzi.mission_mate.feature.history.model.History
+import com.goalpanzi.mission_mate.feature.history.model.toUiModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class HistoryViewModel @Inject constructor(
+    private val getMissionHistoriesUseCase: GetMissionHistoriesUseCase
+) : ViewModel() {
+
+    private val _historyState = MutableStateFlow<HistoryUiState>(HistoryUiState.Loading)
+    val historyState: StateFlow<HistoryUiState> = _historyState.asStateFlow()
+
+    fun initHistories() {
+        viewModelScope.launch {
+            _historyState.emit(HistoryUiState.Loading)
+            getHistories()
+        }
+    }
+
+    fun refresh() {
+        viewModelScope.launch {
+            _historyState.emit(HistoryUiState.Refreshing)
+            getHistories()
+        }
+    }
+
+    fun fetchHistories() {
+        viewModelScope.launch {
+            getHistories(getNextPage())
+        }
+    }
+
+    private suspend fun getHistories(page: Int = 0) {
+        getMissionHistoriesUseCase(
+            page = page,
+            pageSize = HISTORIES_PAGE_SIZE
+        ).collect { result ->
+            val uiState = when (result) {
+                is DomainResult.Success -> {
+                    val data = result.data.toUiModel()
+
+                    if(page == 0) HistoryUiState.Success(data)
+                    else HistoryUiState.Success(
+                        data.copy(resultList = getCurrentList(historyState.value) + data.resultList)
+                    )
+                }
+
+                is DomainResult.Error -> {
+                    HistoryUiState.Loading
+                }
+
+                is DomainResult.Exception -> {
+                    HistoryUiState.Loading
+                }
+            }
+            _historyState.emit(uiState)
+        }
+    }
+
+    private fun getCurrentList(
+        historyUiState: HistoryUiState
+    ): List<History> {
+        return if (historyUiState is HistoryUiState.Success) historyUiState.histories.resultList
+        else emptyList()
+    }
+
+    private fun getNextPage() : Int {
+        return when(val state = historyState.value) {
+            is HistoryUiState.Success -> {
+                (state.histories.resultList.size % HISTORIES_PAGE_SIZE) + 1
+            }
+            else -> 0
+        }
+    }
+
+    companion object {
+        private const val HISTORIES_PAGE_SIZE = 30
+    }
+}