mirror of
https://github.com/AdrianKuta/android-challange-adrian-kuta.git
synced 2025-07-01 15:37:59 +02:00
Adrian Kuta
3e9768919d
This commit introduces a new "Stations" screen that displays airports grouped by country. Key changes: - Added a new Gradle module: `ui:stations`. - Created `StationsScreen.kt` to display a list of airports grouped by country using `LazyColumn`. Airports within each country are displayed as `AirportInfoItem` and countries as `CountryItem`. - Implemented `StationsScreenViewModel.kt` to fetch and manage the state of airports grouped by country. It uses `ObserveAirportsGroupedByCountry` use case. - Defined `ObserveAirportsGroupedByCountry.kt` use case in `domain:stations` module to provide a flow of airports grouped by country. - Implemented `ObserveAirportsGroupedByCountryImpl.kt` in the repository layer, which fetches data using `AirportService`, stores it in `AirportsDatasource`, and maps it to the domain model. - Added Hilt module `ObserveAirportsGroupedByCountryModule.kt` to provide the use case implementation. - Added `stationsScreen()` and `navigateToStations()` to `FlightsNavGraph.kt` and `TopLevelDestination.kt` for navigation. - Updated `settings.gradle.kts` and `app/build.gradle.kts` to include the new `ui:stations` and `domain:stations` modules. - Updated `CacheObservers.kt` to make `mapToDomain` a suspend function. - Added string resources for the stations screen title.
55 lines
2.0 KiB
Kotlin
55 lines
2.0 KiB
Kotlin
package dev.adriankuta.flights.navigation
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.util.trace
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import androidx.navigation.NavController
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import androidx.navigation.NavGraph.Companion.findStartDestination
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import androidx.navigation.NavHostController
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import androidx.navigation.compose.NavHost
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import androidx.navigation.compose.rememberNavController
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import androidx.navigation.navOptions
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import dev.adriankuta.flights.ui.home.navigation.HomeRoute
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import dev.adriankuta.flights.ui.home.navigation.homeScreen
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import dev.adriankuta.flights.ui.home.navigation.navigateToHome
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import dev.adriankuta.flights.ui.home.navigation.navigateToStations
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import dev.adriankuta.flights.ui.home.navigation.stationsScreen
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@Composable
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fun FlightsNavGraph(
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modifier: Modifier = Modifier,
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navController: NavHostController = rememberNavController(),
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) {
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NavHost(
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navController = navController,
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startDestination = HomeRoute,
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modifier = modifier,
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) {
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homeScreen()
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stationsScreen()
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}
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}
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fun NavController.navigateToTopLevelDestination(topLevelDestination: TopLevelDestination) {
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trace("Navigation: ${topLevelDestination.name}") {
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val topLevelNavOptions = navOptions {
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// Pop up to the start destination of the graph to
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// avoid building up a large stack of destinations
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// on the back stack as users select items
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popUpTo(graph.findStartDestination().id) {
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saveState = true
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}
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// Avoid multiple copies of the same destination when
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// reselecting the same item
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launchSingleTop = true
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// Restore state when reselecting a previously selected item
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restoreState = true
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}
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when (topLevelDestination) {
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TopLevelDestination.HOME -> navigateToHome(topLevelNavOptions)
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TopLevelDestination.STATIONS -> navigateToStations(topLevelNavOptions)
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}
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}
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}
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