Drop current route when navigating with navigateSingleTopTo()

app/src/main/java/com/isidroid/c23/domain/use_case/HomeUseCase.kt

@@ -50,6 +50,7 @@ class HomeUseCase @Inject constructor(
                 // los gatos
                 lat = 37.2451678,
                 lng = -121.9752617,
+                uris = uris
             )
 
             uris != null -> HomeContract.Effect.Navigation.ToPreview(uris)

app/src/main/java/com/isidroid/c23/ui/navigation/AppNavHost.kt

@@ -54,11 +54,17 @@ fun AppNavHost(
         )
 
         composable(
-            route = routeMap(lat = "{${Argument.LATITUDE}}", lng = "{${Argument.LONGITUDE}}", spotCode = "{${Argument.SPOT_CODE}}"),
+            route = routeMap(
+                lat = "{${Argument.LATITUDE}}",
+                lng = "{${Argument.LONGITUDE}}",
+                spotCode = "{${Argument.SPOT_CODE}}",
+                uris = "{${Argument.URI}}"
+            ),
             arguments = listOf(
-                makeNavArgument(Argument.LATITUDE, NavType.StringType, nullable = true),
-                makeNavArgument(Argument.LONGITUDE, NavType.StringType, nullable = true),
-                makeNavArgument(Argument.SPOT_CODE, NavType.StringType, nullable = true),
+                makeNavArgument(Argument.LATITUDE, NavType.StringType),
+                makeNavArgument(Argument.LONGITUDE, NavType.StringType),
+                makeNavArgument(Argument.SPOT_CODE, NavType.StringType),
+                makeNavArgument(Argument.URI, NavType.StringType)
             ),
             content = { MapScreenDestination(navController) }
         )

app/src/main/java/com/isidroid/c23/ui/navigation/Routes.kt

@@ -14,10 +14,16 @@ internal fun routeRenderPreview(uris: String = Argument.URI) = RenderPreview.rou
     .appendQueryParameter(Argument.URI, uris)
     .toString()
 
-internal fun routeMap(lat: String? = null, lng: String? = null, spotCode: String? = null) = Map.route.toUri().buildUpon()
+internal fun routeMap(
+    lat: String? = null,
+    lng: String? = null,
+    spotCode: String? = null,
+    uris: String? = null
+) = Map.route.toUri().buildUpon()
     .appendQueryParameter(Argument.LATITUDE, lat)
     .appendQueryParameter(Argument.LONGITUDE, lng)
     .appendQueryParameter(Argument.SPOT_CODE, spotCode)
+    .appendQueryParameter(Argument.URI, uris)
     .toString()
 
 internal fun routeJobDetails(id: String = Argument.ID) = JobDetails.route.toUri().buildUpon()

app/src/main/java/com/isidroid/c23/ui/navigation/destinations/HomeScreenDestination.kt

@@ -24,7 +24,7 @@ fun HomeScreenDestination(navController: NavHostController) {
             val route = when (effect) {
                 HomeContract.Effect.Navigation.ToLogin -> TODO("Session is not implemented")
                 HomeContract.Effect.Navigation.ToSelectContent -> routeSelectContent()
-                is HomeContract.Effect.Navigation.ToSelectSpot -> routeMap(lat = effect.lat?.toString(), lng = effect.lng?.toString(), spotCode = effect.spotCode)
+                is HomeContract.Effect.Navigation.ToSelectSpot -> routeMap(lat = effect.lat?.toString(), lng = effect.lng?.toString(), spotCode = effect.spotCode, uris = effect.uris)
                 is HomeContract.Effect.Navigation.ToPreview -> routeRenderPreview(uris = effect.uris)
             }
 

app/src/main/java/com/isidroid/c23/ui/navigation/destinations/MapScreenDestination.kt

@@ -3,6 +3,8 @@ package com.isidroid.c23.ui.navigation.destinations
 import androidx.compose.runtime.Composable
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.NavHostController
+import com.isidroid.c23.ui.navigation.Home
+import com.isidroid.c23.ui.navigation.routeRenderPreview
 import com.isidroid.c23.ui.navigation.routeSelectContent
 import com.isidroid.c23.ui.screen.map.MapContract
 import com.isidroid.c23.ui.screen.map.MapScreen
@@ -23,6 +25,9 @@ fun MapScreenDestination(navController: NavHostController) {
             when (effect) {
                 MapContract.Effect.Navigation.ToBack -> navController.popBackStack()
                 MapContract.Effect.Navigation.ToSelectContent -> navController.navigateSingleTopTo(routeSelectContent())
+                is MapContract.Effect.Navigation.ToPreview -> navController.navigateSingleTopTo(
+                    routeRenderPreview(uris = effect.uris),
+                )
             }
         },
     )

app/src/main/java/com/isidroid/c23/ui/screen/home/HomeContract.kt

@@ -17,7 +17,7 @@ class HomeContract {
         sealed interface Navigation : Effect {
             data object ToLogin : Navigation
             data object ToSelectContent : Navigation
-            data class ToSelectSpot(val lat: Double? = null, val lng: Double? = null, val spotCode: String? = null) : Navigation
+            data class ToSelectSpot(val lat: Double? = null, val lng: Double? = null, val spotCode: String? = null, val uris: String?) : Navigation
             data class ToPreview(val uris: String) : Navigation
         }
     }

app/src/main/java/com/isidroid/c23/ui/screen/map/MapContract.kt

 package com.isidroid.c23.ui.screen.map
 
+import com.isidroid.c23.ui.screen.home.HomeContract
 import com.isidroid.core.vm.ViewEvent
 import com.isidroid.core.vm.ViewSideEffect
 import com.isidroid.core.vm.ViewState
@@ -18,6 +19,7 @@ class MapContract {
         sealed interface Navigation : Effect {
             data object ToBack: Navigation
             data object ToSelectContent: Navigation
+            data class ToPreview(val uris: String) : Navigation
         }
     }
 

app/src/main/java/com/isidroid/c23/ui/screen/map/MapViewModel.kt

@@ -32,6 +32,7 @@ class MapViewModel @Inject constructor(
     private var _findSpotsJob: Job? = null
     private val _data = hashMapOf<String, RichSpot>()
     private var _markers = hashMapOf<String, List<RichSpot>>()
+    private var _uris: String? = null
 
     private val _spotResultStateFlow = MutableStateFlow<List<MapMarker>>(emptyList())
     val spotResultStateFlow = _spotResultStateFlow.asStateFlow()
@@ -58,9 +59,15 @@ class MapViewModel @Inject constructor(
         val flowLat = savedStateHandle.getStateFlow<String?>(Argument.LATITUDE, null)
         val flowLng = savedStateHandle.getStateFlow<String?>(Argument.LONGITUDE, null)
         val flowSpotCode = savedStateHandle.getStateFlow<String?>(Argument.SPOT_CODE, null)
+        val flowUris = savedStateHandle.getStateFlow<String?>(Argument.URI, null)
 
-        combine(flowLat, flowLng, flowSpotCode) { lat, lng, spotCode ->
-            prepareData(lat?.toDoubleOrNull(), lng?.toDoubleOrNull(), spotCode)
+        combine(flowLat, flowLng, flowSpotCode, flowUris) { lat, lng, spotCode, uris ->
+            _uris = uris
+            prepareData(
+                lat = lat?.toDoubleOrNull(),
+                lng = lng?.toDoubleOrNull(),
+                spotCode = spotCode
+            )
         }.collect()
     }
 
@@ -98,7 +105,7 @@ class MapViewModel @Inject constructor(
     private suspend fun selectSpot(id: String) {
         useCase.selectSpot(_data[id])
             .flowOn(Dispatchers.IO)
-            .collect { setEffect { MapContract.Effect.Navigation.ToSelectContent } }
+            .collect { onSpotSelected() }
     }
 
     private suspend fun moveToMyLocation() {
@@ -123,4 +130,11 @@ class MapViewModel @Inject constructor(
 
         _spotResultStateFlow.emit(markers)
     }
+
+    private fun onSpotSelected() {
+        val effect = _uris?.let { MapContract.Effect.Navigation.ToPreview(uris = it) } ?: MapContract.Effect.Navigation.ToSelectContent
+
+        _uris = null
+        setEffect { effect }
+    }
 }
\ No newline at end of file

core/core/src/main/java/com/isidroid/core/ext/ExtNavigation.kt

@@ -9,6 +9,7 @@ import timber.log.Timber
 
 fun NavController.navigateSingleTopTo(
     route: String,
+    dropCurrent: Boolean = true,
     isSaveState: Boolean? = null,
     isLaunchSingleTop: Boolean = true,
     isRestoreState: Boolean? = null,
@@ -16,7 +17,9 @@ fun NavController.navigateSingleTopTo(
     popupToRoute: String? = null
 ) {
     navigate(route) {
-        val node = popupToRoute?.let { graph.findNode(popupToRoute) } ?: graph.findStartDestination()
+        val dropNode = if (dropCurrent) currentDestination?.route else popupToRoute
+        val node = dropNode?.let { graph.findNode(popupToRoute) } ?: graph.findStartDestination()
+
         popUpTo(node.id) {
             inclusive = isInclusive
             if (isSaveState != null)