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fix: 내 피드 필터 설정 시 새로고침 #810

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fix: 내 피드 필터 설정 시 새로고침 #810

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292 changes: 164 additions & 128 deletions feature/feed/src/main/java/com/into/websoso/feature/feed/UpdatedFeedViewModel.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -19,160 +19,196 @@ import kotlinx.coroutines.launch
import javax.inject.Inject

@HiltViewModel
class UpdatedFeedViewModel @Inject constructor(
private val getFeedsUseCase: UpdatedGetFeedsUseCase,
private val getMyFeedsUseCase: UpdatedGetMyFeedsUseCase,
private val feedRepository: UpdatedFeedRepository,
) : ViewModel() {

private val _uiState = MutableStateFlow(FeedUiState())
val uiState = _uiState.asStateFlow()

init {
collectFeedFlows()
fetchNextPage()
}
class UpdatedFeedViewModel
@Inject
constructor(
private val getFeedsUseCase: UpdatedGetFeedsUseCase,
private val getMyFeedsUseCase: UpdatedGetMyFeedsUseCase,
private val feedRepository: UpdatedFeedRepository,
) : ViewModel() {
private val _uiState = MutableStateFlow(FeedUiState())
val uiState = _uiState.asStateFlow()

init {
collectFeedFlows()
fetchNextPage()
}

private fun collectFeedFlows() {
viewModelScope.launch {
getFeedsUseCase.sosoAllFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedAllData = state.sosoAllData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.SOSO_FEED && state.sosoCategory == SosoFeedType.ALL) {
state.copy(sosoAllData = updatedAllData).updateCurrentSource(updatedAllData)
} else {
state.copy(sosoAllData = updatedAllData)
private fun collectFeedFlows() {
viewModelScope.launch {
getFeedsUseCase.sosoAllFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedAllData = state.sosoAllData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.SOSO_FEED && state.sosoCategory == SosoFeedType.ALL) {
state.copy(sosoAllData = updatedAllData).updateCurrentSource(updatedAllData)
} else {
state.copy(sosoAllData = updatedAllData)
}
}
}
}
}
viewModelScope.launch {
getFeedsUseCase.sosoRecommendedFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedRecData = state.sosoRecommendationData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.SOSO_FEED && state.sosoCategory == SosoFeedType.RECOMMENDED) {
state.copy(sosoRecommendationData = updatedRecData)
.updateCurrentSource(updatedRecData)
} else {
state.copy(sosoRecommendationData = updatedRecData)
viewModelScope.launch {
getFeedsUseCase.sosoRecommendedFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedRecData = state.sosoRecommendationData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.SOSO_FEED && state.sosoCategory == SosoFeedType.RECOMMENDED) {
state
.copy(sosoRecommendationData = updatedRecData)
.updateCurrentSource(updatedRecData)
} else {
state.copy(sosoRecommendationData = updatedRecData)
}
}
}
}
}
viewModelScope.launch {
getMyFeedsUseCase.myFeedsFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedMyData = state.myFeedData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.MY_FEED) {
state.copy(myFeedData = updatedMyData).updateCurrentSource(updatedMyData)
} else {
state.copy(myFeedData = updatedMyData)
viewModelScope.launch {
getMyFeedsUseCase.myFeedsFlow.collect { feeds ->
val uiFeeds = feeds.map { it.toFeedUiModel() }.toImmutableList()
_uiState.update { state ->
val updatedMyData = state.myFeedData.copy(feeds = uiFeeds)
if (state.selectedTab == FeedTab.MY_FEED) {
state.copy(myFeedData = updatedMyData).updateCurrentSource(updatedMyData)
} else {
state.copy(myFeedData = updatedMyData)
}
}
}
}
}
}

fun fetchNextPage(feedId: Long? = null) {
val state = uiState.value
val current = state.currentData
val lastFeedId = feedId ?: current.lastId

if (state.loading || (!current.isLoadable && lastFeedId != 0L)) return

_uiState.update { it.copy(loading = true) }

viewModelScope.launch {
runCatching {
when (state.selectedTab) {

FeedTab.MY_FEED -> {
getMyFeedsUseCase(
lastFeedId = lastFeedId,
genres = state.currentFilter.selectedGenres.map { it.tag },
isVisible = state.currentFilter.isVisible,
sortCriteria = state.myFeedData.sort.name.uppercase(),
isUnVisible = state.currentFilter.isUnVisible,
fun fetchNextPage(feedId: Long? = null) {
val state = uiState.value
val current = state.currentData
val lastFeedId = feedId ?: current.lastId

if (state.loading || (!current.isLoadable && lastFeedId != 0L)) return

_uiState.update { it.copy(loading = true) }

viewModelScope.launch {
runCatching {
when (state.selectedTab) {
FeedTab.MY_FEED -> {
getMyFeedsUseCase(
lastFeedId = lastFeedId,
genres = state.currentFilter.selectedGenres.map { it.tag },
isVisible = state.currentFilter.isVisible,
sortCriteria = state.myFeedData.sort.name
.uppercase(),
isUnVisible = state.currentFilter.isUnVisible,
)
}

FeedTab.SOSO_FEED -> {
getFeedsUseCase(
feedsOption = state.sosoCategory.name.uppercase(),
lastFeedId = lastFeedId,
)
}
}
}.onSuccess { result ->
_uiState.update { currentState ->
val updatedSource = currentState.currentData.copy(
lastId = result.isLoadable.let {
if (it) result.feeds.lastOrNull()?.id ?: 0 else 0
},
isLoadable = result.isLoadable,
)
currentState
.updateCurrentSource(updatedSource)
.copy(loading = false, isRefreshing = false)
}

FeedTab.SOSO_FEED -> getFeedsUseCase(
feedsOption = state.sosoCategory.name.uppercase(),
lastFeedId = lastFeedId,
)
}.onFailure {
_uiState.update { it.copy(loading = false, isRefreshing = false, error = true) }
}
}.onSuccess { result ->
_uiState.update { currentState ->
val updatedSource = currentState.currentData.copy(
lastId = result.isLoadable.let {
if (it) result.feeds.lastOrNull()?.id ?: 0 else 0
},
isLoadable = result.isLoadable,
)
currentState.updateCurrentSource(updatedSource)
.copy(loading = false, isRefreshing = false)
}
}.onFailure {
_uiState.update { it.copy(loading = false, isRefreshing = false, error = true) }
}
}
}

/**
* [새로고침] 기존 데이터를 지우지 않고 isRefreshing만 켠 후 재요청
* 데이터 교체는 Repository가 Flow를 방출할 때 자연스럽게 이루어짐
*/
fun refresh() {
_uiState.update { it.copy(isRefreshing = true) }
fetchNextPage(feedId = 0L)
}
/**
* [새로고침] 기존 데이터를 지우지 않고 isRefreshing만 켠 후 재요청
* 데이터 교체는 Repository가 Flow를 방출할 때 자연스럽게 이루어짐
*/
fun refresh() {
_uiState.update { it.copy(isRefreshing = true) }
fetchNextPage(feedId = 0L)
}

fun updateLike(selectedFeedId: Long) = feedRepository.toggleLikeLocal(selectedFeedId)
fun updateLike(selectedFeedId: Long) = feedRepository.toggleLikeLocal(selectedFeedId)

fun updateRemovedFeed(feedId: Long) {
_uiState.update { it.copy(loading = true) }
viewModelScope.launch {
feedRepository.saveRemovedFeed(feedId)
_uiState.update { it.copy(loading = false) }
fun updateRemovedFeed(feedId: Long) {
_uiState.update { it.copy(loading = true) }
viewModelScope.launch {
feedRepository.saveRemovedFeed(feedId)
_uiState.update { it.copy(loading = false) }
}
}
}

fun updateReportedSpoilerFeed(feedId: Long) {
viewModelScope.launch { feedRepository.saveSpoilerFeed(feedId) }
}
fun updateReportedSpoilerFeed(feedId: Long) {
viewModelScope.launch { feedRepository.saveSpoilerFeed(feedId) }
}

fun updateReportedImpertinenceFeed(feedId: Long) {
viewModelScope.launch { feedRepository.saveImpertinenceFeed(feedId) }
}
fun updateReportedImpertinenceFeed(feedId: Long) {
viewModelScope.launch { feedRepository.saveImpertinenceFeed(feedId) }
}

override fun onCleared() {
super.onCleared()
feedRepository.syncDirtyFeeds()
}
override fun onCleared() {
super.onCleared()
feedRepository.syncDirtyFeeds()
}

// --- 기타 탭/필터 로직 ---
fun updateMyFeedSort(sort: FeedOrder) {
if (uiState.value.myFeedData.sort == sort) return
_uiState.update { it.copy(myFeedData = FeedSourceData(sort = sort)) }
fetchNextPage(feedId = 0L)
}
// --- 기타 탭/필터 로직 ---
fun updateMyFeedSort(sort: FeedOrder) {
if (uiState.value.myFeedData.sort == sort) return

_uiState.update { state ->
val resetMyData = state.myFeedData.copy(
lastId = 0L,
isLoadable = true,
sort = sort,
)
state.copy(
myFeedData = resetMyData,
isRefreshing = true,
error = false,
)
}
fetchNextPage(feedId = 0L)
}

fun updateTab(tab: FeedTab) {
_uiState.update { it.copy(selectedTab = tab) }
if (uiState.value.currentData.feeds.isEmpty()) fetchNextPage(feedId = 0L)
}
fun updateTab(tab: FeedTab) {
_uiState.update { it.copy(selectedTab = tab) }
if (uiState.value.currentData.feeds
.isEmpty()
) {
fetchNextPage(feedId = 0L)
}
}

fun updateSosoCategory(category: SosoFeedType) {
if (uiState.value.sosoCategory == category) return
_uiState.update { it.copy(sosoCategory = category) }
if (uiState.value.currentData.feeds.isEmpty()) fetchNextPage(feedId = 0L)
}
fun updateSosoCategory(category: SosoFeedType) {
if (uiState.value.sosoCategory == category) return
_uiState.update { it.copy(sosoCategory = category) }
if (uiState.value.currentData.feeds
.isEmpty()
) {
fetchNextPage(feedId = 0L)
}
}

fun applyMyFilter(filter: MyFeedFilter) {
_uiState.update { it.copy(currentFilter = filter, myFeedData = FeedSourceData()) }
fetchNextPage(feedId = 0L)
fun applyMyFilter(filter: MyFeedFilter) {
_uiState.update { state ->
val resetMyData = state.myFeedData.copy(
lastId = 0L,
isLoadable = true,
)
state.copy(
currentFilter = filter,
myFeedData = resetMyData,
isRefreshing = true,
error = false,
)
}
fetchNextPage(feedId = 0L)
}
}
}