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Merge pull request #6 from stslex/dev
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Original file line number | Diff line number | Diff line change |
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package com.stslex.aproselection.di | ||
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import com.stslex.aproselection.ui.InitialAppViewModel | ||
import org.koin.androidx.viewmodel.dsl.viewModelOf | ||
import org.koin.dsl.module | ||
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val appModule = module { | ||
viewModelOf(::InitialAppViewModel) | ||
} |
41 changes: 38 additions & 3 deletions
41
app/src/main/java/com/stslex/aproselection/navigation/NavigationHost.kt
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Original file line number | Diff line number | Diff line change |
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@@ -1,43 +1,78 @@ | ||
package com.stslex.aproselection.navigation | ||
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import androidx.compose.foundation.layout.Box | ||
import androidx.compose.material3.Text | ||
import androidx.compose.runtime.Composable | ||
import androidx.compose.runtime.collectAsState | ||
import androidx.compose.runtime.getValue | ||
import androidx.compose.runtime.remember | ||
import androidx.compose.ui.Alignment | ||
import androidx.compose.ui.Modifier | ||
import androidx.navigation.NavHostController | ||
import androidx.navigation.compose.NavHost | ||
import androidx.navigation.compose.composable | ||
import com.stslex.aproselection.core.ui.navigation.AppDestination | ||
import com.stslex.aproselection.core.ui.navigation.NavigationScreen | ||
import com.stslex.aproselection.feature.auth.ui.navigation.authRouter | ||
import com.stslex.aproselection.feature.home.ui.navigation.homeRouter | ||
import com.stslex.aproselection.ui.InitialAppViewModel | ||
import org.koin.androidx.compose.koinViewModel | ||
import org.koin.core.parameter.parametersOf | ||
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@Composable | ||
fun NavigationHost( | ||
navController: NavHostController, | ||
modifier: Modifier = Modifier, | ||
startDestination: AppDestination = AppDestination.AUTH | ||
startDestination: AppDestination = AppDestination.SPLASH | ||
) { | ||
val navigator: (NavigationScreen) -> Unit = { screen -> | ||
when (screen) { | ||
is NavigationScreen.PopBackStack -> navController.popBackStack() | ||
else -> navController.navigateScreen(screen) | ||
} | ||
} | ||
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val viewModel = koinViewModel<InitialAppViewModel>( | ||
parameters = { parametersOf(navigator) } | ||
) | ||
val isAuth by remember { | ||
viewModel.isAuth | ||
}.collectAsState() | ||
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NavHost( | ||
navController = navController, | ||
startDestination = startDestination.route | ||
) { | ||
composable(NavigationScreen.Splash.screenRoute) { | ||
Box( | ||
contentAlignment = Alignment.Center | ||
) { | ||
Text(text = "splash") // TODO replace with norm navigator | ||
} | ||
val screen = when (isAuth) { | ||
true -> NavigationScreen.Home | ||
false -> NavigationScreen.Auth | ||
null -> null | ||
} | ||
screen?.let(navigator) | ||
} | ||
authRouter(modifier, navigator) | ||
homeRouter(modifier, navigator) | ||
} | ||
} | ||
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fun NavHostController.navigateScreen(screen: NavigationScreen) { | ||
val currentRoute = this.currentDestination?.route | ||
if (currentRoute == screen.screenRoute) return | ||
navigate(screen.screenRoute) { | ||
if (screen.isSingleTop.not()) return@navigate | ||
graph.startDestinationRoute?.let { route -> | ||
currentRoute?.let { route -> | ||
popUpTo(route) { | ||
inclusive = true | ||
saveState = true | ||
} | ||
} | ||
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launchSingleTop = true | ||
restoreState = false | ||
} | ||
} |
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50 changes: 50 additions & 0 deletions
50
app/src/main/java/com/stslex/aproselection/ui/InitialAppViewModel.kt
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,50 @@ | ||
package com.stslex.aproselection.ui | ||
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import androidx.lifecycle.viewModelScope | ||
import com.stslex.aproselection.core.datastore.AppDataStore | ||
import com.stslex.aproselection.core.network.client.NetworkClient | ||
import com.stslex.aproselection.core.ui.base.BaseViewModel | ||
import com.stslex.aproselection.core.ui.navigation.NavigationScreen | ||
import kotlinx.coroutines.flow.MutableStateFlow | ||
import kotlinx.coroutines.flow.StateFlow | ||
import kotlinx.coroutines.flow.asStateFlow | ||
import kotlinx.coroutines.flow.catch | ||
import kotlinx.coroutines.flow.launchIn | ||
import kotlinx.coroutines.flow.onEach | ||
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class InitialAppViewModel( | ||
dataStore: AppDataStore, | ||
navigate: (NavigationScreen) -> Unit, | ||
networkClient: NetworkClient, | ||
) : BaseViewModel() { | ||
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private val _isAuth = MutableStateFlow<Boolean?>(null) | ||
val isAuth: StateFlow<Boolean?> | ||
get() = _isAuth.asStateFlow() | ||
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// TODO (вынести из init блока) | ||
init { | ||
dataStore.token | ||
.catch { error -> | ||
handleError(error) | ||
} | ||
.onEach { token -> | ||
if (token.isBlank()) { | ||
networkClient.regenerateToken() | ||
} | ||
} | ||
.launchIn(viewModelScope) | ||
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dataStore.uuid | ||
.catch { error -> | ||
handleError(error) | ||
} | ||
.onEach { uuid -> | ||
_isAuth.emit(uuid.isNotBlank()) | ||
if (uuid.isBlank()) { | ||
navigate(NavigationScreen.Auth) | ||
} | ||
} | ||
.launchIn(viewModelScope) | ||
} | ||
} |
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