Fuel, Snap initial location

common/car/src/main/java/com/kouros/navigation/car/NavigationSession.kt

@@ -273,6 +273,10 @@ class NavigationSession : CarSession(), NavigationListener, NavigationObserverCa
         routeModel = RouteCarModel()
 
         CarConnection(carContext).type.observe(this, ::onConnectionStateUpdated)
+
+        navigationViewModel.initialSnapLocation.observe(this, Observer {
+            surfaceRenderer.updateLocation(it, "")
+        })
     }
 
     /**
@@ -315,6 +319,7 @@ class NavigationSession : CarSession(), NavigationListener, NavigationObserverCa
             shouldUseCarLocationFlow = carSensorManager.shouldUseCarLocation(),
             onLocationUpdate = ::updateLocation,
             onInitialLocation = { location ->
+                navigationViewModel.loadCurrentLocation(location)
                 navigationViewModel.loadRecentPlaces(
                     carContext,
                     location,
@@ -753,12 +758,6 @@ class NavigationSession : CarSession(), NavigationListener, NavigationObserverCa
             lastTrafficDate = current
             navigationViewModel.loadTraffic(carContext, location, surfaceRenderer.carOrientation)
         }
-        if (updateLocationIndex % 4 == 0) {
-//            navigationViewModel.updateTrafficMessages(
-//                surfaceRenderer.lastLocation,
-//                surfaceRenderer.trafficData.value!!
-//            )
-        }
     }
 
     /**

common/data/src/main/java/com/kouros/navigation/data/fuel/FuelPrice.kt

@@ -0,0 +1,9 @@
+package com.kouros.navigation.data.fuel
+
+data class FuelPrice(
+    val `data`: String,
+    val license: String,
+    val ok: Boolean,
+    val stations: List<Station>,
+    val status: String
+)

common/data/src/main/java/com/kouros/navigation/data/fuel/FuelPrices.kt

@@ -0,0 +1,53 @@
+package com.kouros.navigation.data.fuel
+
+import android.content.Context
+import android.location.Location
+import android.util.Log
+import com.google.gson.GsonBuilder
+import com.kouros.navigation.data.NavigationRepository
+import com.kouros.navigation.data.SearchFilter
+import com.kouros.navigation.data.overpass.Amenity
+import java.io.OutputStreamWriter
+import java.net.Authenticator
+import java.net.HttpURLConnection
+import java.net.PasswordAuthentication
+import java.net.URL
+
+const val tankerKoenigUrl = "https://creativecommons.tankerkoenig.de/json/list.php?"
+
+private val gson = GsonBuilder().serializeNulls().create()
+
+const val sort = "&sort=dist&type=all"
+
+const val apiKey = "&apikey=fc9900c9-8f02-4b28-990d-dc6067228c59"
+class FuelPrices : NavigationRepository() {
+
+    fun getFuelPrices(location: Location, radius: Int) : List<Station> {
+
+        val url = "${tankerKoenigUrl}lat=${location.latitude}&lng=${location.longitude}&rad=${radius}$sort$apiKey"
+
+        val prices =  fetchUrl(
+            url,
+            false
+        )
+        return gson.fromJson(prices, FuelPrice::class.java).stations
+    }
+
+    override fun getRoute(
+        context: Context,
+        currentLocation: Location,
+        location: List<Location>,
+        carOrientation: Float,
+        searchFilter: SearchFilter
+    ): String {
+        TODO("Not yet implemented")
+    }
+
+    override fun getTraffic(
+        context: Context,
+        location: Location,
+        carOrientation: Float
+    ): String {
+        TODO("Not yet implemented")
+    }
+}

common/data/src/main/java/com/kouros/navigation/data/fuel/Station.kt

@@ -0,0 +1,18 @@
+package com.kouros.navigation.data.fuel
+
+data class Station(
+    val brand: String,
+    val diesel: Double,
+    val dist: Double,
+    val e10: Double,
+    val e5: Double,
+    val houseNumber: String,
+    val id: String,
+    val isOpen: Boolean,
+    val lat: Double,
+    val lng: Double,
+    val name: String,
+    val place: String,
+    val postCode: Int,
+    val street: String
+)

common/data/src/main/java/com/kouros/navigation/data/overpass/Overpass.kt

@@ -4,7 +4,6 @@ import android.location.Location
 import android.util.Log
 import com.google.gson.GsonBuilder
 import com.kouros.data.BuildConfig
-import com.kouros.navigation.data.ApplicationConfig
 import com.kouros.navigation.utils.GeoUtils.getBoundingBox
 import java.io.OutputStreamWriter
 import java.net.Authenticator
@@ -69,6 +68,28 @@ class Overpass {
     }
 
 
+    fun getStreet(location: Location): List<Elements> {
+
+        val lineString = "${location.latitude},${location.longitude}"
+        val searchLocation ="way[\"highway\"~\"^(primary|secondary|tertiary|residential|motorway)$\"][name](around:50, $lineString)";
+
+        val searchQuery = """
+            |[out:json];
+            |(
+            |  ${searchLocation};
+            |);
+            |out body geom;
+        """.trimMargin()
+
+        val connection = (URL(overpassUrl).openConnection() as HttpURLConnection).apply {
+            requestMethod = "POST"
+            setRequestProperty("Accept", "application/json")
+            doOutput = true
+        }
+
+        return overpassApi(connection, searchQuery)
+
+    }
     fun getAmenities(
         type: String,
         category: String,

common/data/src/main/java/com/kouros/navigation/model/NavigationViewModel.kt

@@ -10,7 +10,6 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.google.gson.Gson
 import com.google.gson.GsonBuilder
-import com.kouros.navigation.data.ApplicationConfig
 import com.kouros.navigation.data.Constants
 import com.kouros.navigation.data.Constants.SPEED_BEARING_DEVIATION
 import com.kouros.navigation.data.Constants.SPEED_UPDATE_DISTANCE
@@ -19,11 +18,13 @@ import com.kouros.navigation.data.NavigationRepository
 import com.kouros.navigation.data.Place
 import com.kouros.navigation.data.Places
 import com.kouros.navigation.data.SearchFilter
+import com.kouros.navigation.data.fuel.FuelPrices
 import com.kouros.navigation.data.nominatim.Search
 import com.kouros.navigation.data.nominatim.SearchResult
 import com.kouros.navigation.data.overpass.ElementSearch
 import com.kouros.navigation.data.overpass.Elements
 import com.kouros.navigation.data.overpass.Overpass
+import com.kouros.navigation.utils.GeoUtils.snapLocation
 import com.kouros.navigation.utils.bearingPositive
 import com.kouros.navigation.utils.countryCodeSpeedLimit
 import com.kouros.navigation.utils.getSettingsRepository
@@ -37,7 +38,7 @@ import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import org.maplibre.geojson.FeatureCollection
-import org.maplibre.geojson.LineString
+import org.maplibre.geojson.Point
 import java.time.LocalDateTime
 import java.time.ZoneOffset
 import kotlin.collections.first
@@ -125,6 +126,10 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
         MutableLiveData()
     }
 
+    val initialSnapLocation: MutableLiveData<Location> by lazy {
+        MutableLiveData()
+    }
+
     val gson: Gson = GsonBuilder().create()
 
     /**
@@ -528,6 +533,21 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
         }
     }
 
+    /**
+     * Queries Tankerkoenig API for fuel prices on current road.
+     *
+     */
+    fun updateFuelPrices(
+        location: Location,
+    ) {
+        viewModelScope.launch(Dispatchers.IO) {
+            synchronized(this) {
+                val stations =
+                    FuelPrices().getFuelPrices(location, 3)
+                    Log.d(TAG, "FuelPrices $stations")
+            }
+        }
+    }
 
     /**
      * Saves a place as a favorite in Preferences.
@@ -652,4 +672,31 @@ class NavigationViewModel(private val repository: NavigationRepository) : ViewMo
         }
         return pl.toMutableStateList()
     }
+
+    /**
+     * Loads current location nearest street
+     * and snap to location to street
+     */
+    fun loadCurrentLocation(location: Location) {
+        viewModelScope.launch(Dispatchers.IO) {
+            synchronized(this) {
+                val elements = Overpass().getStreet(location)
+                if (elements.isNotEmpty()) {
+                    val points = mutableListOf<Point>()
+                    elements.first().geometry.forEach {
+                        points.add(Point.fromLngLat(it.lon, it.lat))
+                    }
+                    val snappedLocation = snapLocation(location, points)
+                    if (points.size > 1) {
+                        val bearing = location(
+                            points.first().longitude(),
+                            points.first().latitude()
+                        ).bearingPositive(location(points[1].longitude(), points[1].latitude()))
+                        snappedLocation.bearing = bearing
+                    }
+                    initialSnapLocation.postValue(snappedLocation)
+                }
+            }
+        }
+    }
 }

common/data/src/main/java/com/kouros/navigation/utils/NavigationUtils.kt

@@ -151,7 +151,8 @@ fun duration(
     lastLocationUpdate: LocalDateTime
 ): Duration {
     if (viewStyle == ViewStyle.PREVIEW ||
-        viewStyle == ViewStyle.PAN_VIEW) {
+        viewStyle == ViewStyle.PAN_VIEW ||
+        viewStyle == ViewStyle.AMENITY_VIEW) {
         return 100.milliseconds
     }
     val cameraDuration = if ((lastBearing - bearing).absoluteValue > 20.0) {

gradle/libs.versions.toml

@@ -8,12 +8,12 @@ koinAndroid = "4.2.1"
 koinAndroidxCompose = "4.2.1"
 koinComposeViewmodel = "4.2.1"
 koinCore = "4.2.1"
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 coreKtx = "1.18.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
-kotlinxSerializationJson = "1.10.0"
+kotlinxSerializationJson = "1.11.0"
 lifecycleRuntimeKtx = "2.10.0"
 composeBom = "2026.04.01"
 appcompat = "1.7.1"