Refactor(ToolStore): Save storeDate state when switch navigation

app/src/main/kotlin/top/fatweb/oxygen/toolbox/repository/tool/StoreRepository.kt

@@ -6,7 +6,9 @@ import top.fatweb.oxygen.toolbox.model.Result
 import top.fatweb.oxygen.toolbox.model.tool.ToolEntity
 
 interface StoreRepository {
-    suspend fun getStore(searchValue: String, currentPage: Int): Flow<PagingData<ToolEntity>>
+    suspend fun getStore(
+        searchValue: String
+    ): Flow<PagingData<ToolEntity>>
 
     fun detail(
         username: String,

app/src/main/kotlin/top/fatweb/oxygen/toolbox/repository/tool/impl/NetworkStoreRepository.kt

@@ -23,8 +23,7 @@ internal class NetworkStoreRepository @Inject constructor(
     private val toolDao: ToolDao
 ) : StoreRepository {
     override suspend fun getStore(
-        searchValue: String,
-        currentPage: Int
+        searchValue: String
     ): Flow<PagingData<ToolEntity>> =
         Pager(
             config = PagingConfig(pageSize = PAGE_SIZE),

app/src/main/kotlin/top/fatweb/oxygen/toolbox/ui/store/ToolStoreViewModel.kt

@@ -9,8 +9,9 @@ import androidx.paging.cachedIn
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import kotlinx.parcelize.Parcelize
 import top.fatweb.oxygen.toolbox.model.Result
@@ -18,6 +19,7 @@ import top.fatweb.oxygen.toolbox.model.tool.ToolEntity
 import top.fatweb.oxygen.toolbox.repository.tool.StoreRepository
 import top.fatweb.oxygen.toolbox.repository.tool.ToolRepository
 import javax.inject.Inject
+import kotlin.time.Duration.Companion.seconds
 
 @HiltViewModel
 class ToolStoreViewModel @Inject constructor(
@@ -26,17 +28,20 @@ class ToolStoreViewModel @Inject constructor(
     private val savedStateHandle: SavedStateHandle
 ) : ViewModel() {
     private val searchValue = savedStateHandle.getStateFlow(SEARCH_VALUE, "")
-    private val currentPage = savedStateHandle.getStateFlow(CURRENT_PAGE, 1)
     val installInfo = savedStateHandle.getStateFlow(INSTALL_INFO, ToolStoreUiState.InstallInfo())
 
     @OptIn(ExperimentalCoroutinesApi::class)
-    val storeData: Flow<PagingData<ToolEntity>> = combine(
-        searchValue, currentPage, ::Pair
-    ).flatMapLatest { (searchValue, currentPage) ->
-        storeRepository
-            .getStore(searchValue, currentPage)
-            .cachedIn(viewModelScope)
-    }
+    val storeData: Flow<PagingData<ToolEntity>> =
+        searchValue.flatMapLatest { searchValue ->
+            storeRepository
+                .getStore(searchValue)
+                .cachedIn(viewModelScope)
+        }
+            .stateIn(
+                scope = viewModelScope,
+                initialValue = PagingData.empty(),
+                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5.seconds.inWholeMilliseconds)
+            )
 
     fun onSearchValueChange(value: String) {
         savedStateHandle[SEARCH_VALUE] = value
@@ -103,5 +108,4 @@ data class ToolStoreUiState(
 }
 
 private const val SEARCH_VALUE = "searchValue"
-private const val CURRENT_PAGE = "currentPage"
 private const val INSTALL_INFO = "installInfo"