Merge branch 'main' of https://git.sr.ht/~avalos/trackermap-mobile

14 files changed, 190 insertions, 49 deletions

diff --git a/androidApp/build.gradle.kts b/androidApp/build.gradle.kts
index 6fe79ad..bec9466 100644
--- a/androidApp/build.gradle.kts
+++ b/androidApp/build.gradle.kts
@@ -39,7 +39,7 @@ val googleImplementation by configurations
 
 dependencies {
     implementation(project(":shared"))
-    implementation("com.google.android.material:material:1.4.0")
+    implementation("com.google.android.material:material:1.5.0")
     implementation("androidx.appcompat:appcompat:1.4.0")
     implementation("androidx.constraintlayout:constraintlayout:2.1.2")
     implementation("com.squareup.okhttp3:okhttp:4.9.1")
@@ -56,6 +56,7 @@ dependencies {
     implementation("com.github.zerobranch:SwipeLayout:1.3.1")
     implementation("com.github.addisonElliott:SegmentedButton:3.1.9")
     implementation("mil.nga.sf:sf-wkt:1.0.1")
+    implementation("com.soywiz.korlibs.krypto:krypto:2.4.12")
     implementation(group = "", name = "WhirlyGlobeMaply", ext = "aar")
 
     googleImplementation(platform("com.google.firebase:firebase-bom:29.0.3"))
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/MapFragment.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/MapFragment.kt
index 60c8a47..a8478fd 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/MapFragment.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/MapFragment.kt
@@ -11,12 +11,15 @@ import androidx.core.content.ContextCompat
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.graphics.drawable.toBitmap
 import com.mousebird.maply.*
+import com.soywiz.krypto.md5
 import mil.nga.sf.Polygon
 import mil.nga.sf.util.SFException
 import mil.nga.sf.wkt.GeometryReader
 import java.io.File
 import mx.trackermap.TrackerMap.android.R
 import mx.trackermap.TrackerMap.client.models.Geofence
+import mx.trackermap.TrackerMap.client.models.MapLayer
+import mx.trackermap.TrackerMap.utils.MapCalculus
 import mx.trackermap.TrackerMap.utils.MarkerType
 
 typealias MarkerCallback = (Int?) -> Unit
@@ -56,17 +59,14 @@ class MapFragment : GlobeMapFragment() {
     override fun controlHasStarted() {
         Log.d("MapFragment", "controlHasStarted")
 
-        val cacheDirName = "stamen_watercolor6"
-        val cacheDir = File(activity!!.cacheDir, cacheDirName)
-        cacheDir.mkdir()
-
         if (tileInfo == null) {
-            tileInfo = RemoteTileInfoNew(
-                getString(R.string.maps_streets_tile_url),
-                0,
-                21
-            )
-            (tileInfo as RemoteTileInfoNew).cacheDir = cacheDir
+            // Load default map layer
+            val layer = resources.getStringArray(R.array.maps_streets_tile)
+            val tmpInfo = RemoteTileInfoNew(layer[0], layer[1].toInt(), layer[2].toInt())
+            tileInfo = tileInfoSetCacheDir(layer[0], tmpInfo)
+            tileInfo?.let {
+                setZoomLimits(it.minZoom, it.maxZoom)
+            }
         }
 
         val params = SamplingParams()
@@ -83,7 +83,16 @@ class MapFragment : GlobeMapFragment() {
 
         val latitude = 23.191
         val longitude = -100.36
-        focusOn(latitude, longitude, zoom = 0.4, animated = false)
+        focusOn(latitude, longitude, height = 0.4, animated = false)
+    }
+
+    override fun mapDidStopMoving(
+        mapControl: MapController?,
+        corners: Array<out Point3d>?,
+        userMotion: Boolean
+    ) {
+        super.mapDidStopMoving(mapControl, corners, userMotion)
+        Log.d("MapFragment", "Height: ${mapControl?.height}")
     }
 
     override fun userDidSelect(
@@ -93,7 +102,6 @@ class MapFragment : GlobeMapFragment() {
         screenLoc: Point2d?
     ) {
         super.userDidSelect(mapControl, selObjs, loc, screenLoc)
-
         selObjs?.forEach { selectedObject ->
             if (selectedObject.selObj is ScreenMarker) {
                 val screenMarker = selectedObject.selObj as ScreenMarker
@@ -228,7 +236,8 @@ class MapFragment : GlobeMapFragment() {
             mbr.expandByFraction(0.1)
 
             mapControl.addPostSurfaceRunnable {
-                val zoom = mapControl.findHeightToViewBounds(mbr, mbr.middle())
+                val zoom = mapControl.zoomLimitMax.coerceAtLeast(
+                    mapControl.findHeightToViewBounds(mbr, mbr.middle()))
                 mapControl.setPositionGeo(mbr.middle(), zoom)
             }
         }
@@ -308,19 +317,57 @@ class MapFragment : GlobeMapFragment() {
         ))
     }
 
-    fun focusOn(latitude: Double, longitude: Double, zoom: Double = 0.0000144, animated: Boolean = true) {
+    fun focusOn(
+        latitude: Double,
+        longitude: Double,
+        height: Double? = 0.00001,
+        animated: Boolean = true
+    ) {
         val lat = latitude * Math.PI / 180
         val lon = longitude * Math.PI / 180
+        // Ensure height is equal or higher than bottom limit
+        val z = mapControl.zoomLimitMin.coerceAtLeast(height ?: 0.0)
         if (animated) {
-            mapControl.animatePositionGeo(lon, lat, zoom, 0.2)
+            mapControl.animatePositionGeo(lon, lat, z, 0.2)
         } else {
-            mapControl.setPositionGeo(lon, lat, zoom)
+            mapControl.setPositionGeo(lon, lat, z)
         }
     }
 
-    fun updateTileInfo(tileInfo: TileInfoNew) {
-        this.tileInfo = tileInfo
-        loader?.changeTileInfo(tileInfo)
+    private fun tileInfoSetCacheDir(url: String, tileInfo: TileInfoNew): TileInfoNew? {
+        return context?.let {
+            val cacheDirName = url.toByteArray(Charsets.UTF_8).md5().hex
+            val cacheDirMap = File(it.cacheDir, cacheDirName)
+            cacheDirMap.mkdir()
+            Log.d("MapFragment", "Cache dir for $url = ${cacheDirMap.absolutePath}")
+
+            (tileInfo as? RemoteTileInfoNew)?.cacheDir = cacheDirMap
+            tileInfo
+        }
+    }
+
+    fun updateTile(layer: MapLayer) {
+        val tileInfo = RemoteTileInfoNew(layer.url, layer.minZoom, layer.maxZoom)
+        this.tileInfo = tileInfoSetCacheDir(layer.url, tileInfo)
+        this.tileInfo?.let {
+            loader?.changeTileInfo(it)
+            setZoomLimits(tileInfo.minZoom, tileInfo.maxZoom)
+        }
+    }
+
+    private fun setZoomLimits(minZoom: Int, maxZoom: Int) {
+        mapControl?.let {
+            it.setZoomLimits(
+                it.heightForMapScale(
+                    MapCalculus.zoomLevelToScale(maxZoom)
+                        ?: MapCalculus.zoomLevelToScale(21)!!
+                ),
+                it.heightForMapScale(
+                    MapCalculus.zoomLevelToScale(minZoom)
+                        ?: MapCalculus.zoomLevelToScale(1)!!
+                )
+            )
+        }
     }
 
     private fun getIcon(markerType: MarkerType): Bitmap {
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/UnitMapFragment.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/UnitMapFragment.kt
index 09f41a8..6f6596f 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/UnitMapFragment.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/map/UnitMapFragment.kt
@@ -6,6 +6,7 @@ import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.text.HtmlCompat
 import kotlinx.coroutines.DelicateCoroutinesApi
 import mx.trackermap.TrackerMap.android.R
 import mx.trackermap.TrackerMap.android.databinding.UnitMapFragmentBinding
@@ -53,6 +54,9 @@ class UnitMapFragment(private val unitsViewModel: UnitsViewModel) : UnitFragment
     private fun initializeMap() {
         unitsMapFragment = childFragmentManager.findFragmentById(R.id.unitsMap) as MapFragment
         unitsMapFragment.markerCallback = unitsViewModel::selectUnitWith
+
+        val layer = resources.getStringArray(R.array.maps_streets_tile)
+        binding.attributionText.text = HtmlCompat.fromHtml(layer[3], 0)
     }
 
     private fun setupObservers() {
@@ -94,9 +98,10 @@ class UnitMapFragment(private val unitsViewModel: UnitsViewModel) : UnitFragment
             }
         }
 
-        unitsViewModel.mapTileInfo.observe(viewLifecycleOwner) { tileInfo ->
+        unitsViewModel.mapLayer.observe(viewLifecycleOwner) { layer ->
             Log.d("UnitMapFragment", "Loading layer!")
-            unitsMapFragment.updateTileInfo(tileInfo)
+            unitsMapFragment.updateTile(layer)
+            binding.attributionText.text = HtmlCompat.fromHtml(layer.attribution, 0)
         }
 
         unitsViewModel.geofences.observe(viewLifecycleOwner) { geofences ->
@@ -108,7 +113,7 @@ class UnitMapFragment(private val unitsViewModel: UnitsViewModel) : UnitFragment
         Log.d("UnitMapFragment", "removeObservers()")
         unitsViewModel.units.removeObservers(viewLifecycleOwner)
         unitsViewModel.selectedUnit.removeObservers(viewLifecycleOwner)
-        unitsViewModel.mapTileInfo.removeObservers(viewLifecycleOwner)
+        unitsViewModel.mapLayer.removeObservers(viewLifecycleOwner)
         unitsViewModel.geofences.removeObservers(viewLifecycleOwner)
     }
 
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
index bf5f1d8..1bbcb80 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsActivity.kt
@@ -17,6 +17,7 @@ import mx.trackermap.TrackerMap.android.databinding.UnitsActivityBinding
 import mx.trackermap.TrackerMap.android.devices.DevicesFragment
 import mx.trackermap.TrackerMap.android.map.UnitMapFragment
 import mx.trackermap.TrackerMap.android.session.UserInformationActivity
+import mx.trackermap.TrackerMap.client.models.MapLayer
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
 @DelicateCoroutinesApi
@@ -90,13 +91,16 @@ class UnitsActivity : AppCompatActivity() {
         val popOver = PopupMenu(this, view)
         popOver.menuInflater.inflate(R.menu.map_layers, popOver.menu)
         popOver.setOnMenuItemClickListener { item ->
-            unitsViewModel.setMapLayer(
+            val layer = resources.getStringArray(
                 when (item.itemId) {
-                    R.id.layerStreets -> getString(R.string.maps_streets_tile_url)
-                    R.id.layerSatellite -> getString(R.string.maps_satellite_url)
-                    else -> getString(R.string.maps_streets_tile_url)
+                    R.id.layerStreets -> R.array.maps_streets_tile
+                    R.id.layerSatellite -> R.array.maps_satellite_tile
+                    else -> R.array.maps_streets_tile
                 }
             )
+            unitsViewModel.setMapLayer(MapLayer(
+                layer[0], layer[1].toInt(), layer[2].toInt(), layer[3]
+            ))
             true
         }
         popOver.show()
diff --git a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
index 08d35a2..d3060f0 100644
--- a/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
+++ b/androidApp/src/main/java/mx/trackermap/TrackerMap/android/units/UnitsViewModel.kt
@@ -2,12 +2,11 @@ package mx.trackermap.TrackerMap.android.units
 
 import android.util.Log
 import androidx.lifecycle.*
-import com.mousebird.maply.RemoteTileInfoNew
-import com.mousebird.maply.TileInfoNew
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 import mx.trackermap.TrackerMap.client.models.Geofence
+import mx.trackermap.TrackerMap.client.models.MapLayer
 import mx.trackermap.TrackerMap.client.models.UnitInformation
 import mx.trackermap.TrackerMap.controllers.GeofencesController
 import mx.trackermap.TrackerMap.controllers.UnitsController
@@ -30,14 +29,14 @@ class UnitsViewModel(
     private var _unitsDisplayMode = MutableLiveData(UnitsDisplayMode.MAP)
     private var _units = MutableLiveData<List<UnitInformation>>()
     private var _selectedUnit = MutableLiveData<UnitInformation?>()
-    private var _mapTileInfo = MutableLiveData<TileInfoNew>()
+    private var _mapLayer = MutableLiveData<MapLayer>()
     private var _geofences = MutableLiveData<Map<Int, Geofence>>()
 
     val searchQuery: LiveData<String> get() = _searchQuery
     val unitsDisplayMode: LiveData<UnitsDisplayMode> get() = _unitsDisplayMode
     val units: LiveData<List<UnitInformation>> get() = _units
     val selectedUnit: LiveData<UnitInformation?> get() = _selectedUnit
-    val mapTileInfo: LiveData<TileInfoNew> get() = _mapTileInfo
+    val mapLayer: LiveData<MapLayer> get() = _mapLayer
     val geofences: LiveData<Map<Int, Geofence>> get() = _geofences
 
     init {
@@ -86,9 +85,8 @@ class UnitsViewModel(
         _unitsDisplayMode.postValue(displayMode)
     }
 
-    fun setMapLayer(url: String, minZoom: Int = 0, maxZoom: Int = 21) {
-        val tileInfo = RemoteTileInfoNew(url, minZoom, maxZoom)
-        _mapTileInfo.postValue(tileInfo)
+    fun setMapLayer(layer: MapLayer) {
+        _mapLayer.postValue(layer)
     }
 
     fun toggleDisplayMode() {
diff --git a/androidApp/src/main/res/layout/unit_map_fragment.xml b/androidApp/src/main/res/layout/unit_map_fragment.xml
index 486f1ce..8395013 100644
--- a/androidApp/src/main/res/layout/unit_map_fragment.xml
+++ b/androidApp/src/main/res/layout/unit_map_fragment.xml
@@ -14,7 +14,8 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
-        android:name="mx.trackermap.TrackerMap.android.map.MapFragment"/>
+        android:name="mx.trackermap.TrackerMap.android.map.MapFragment"
+        tools:visibility="invisible"/>
 
     <androidx.cardview.widget.CardView
         android:id="@+id/mapUnitCard"
@@ -121,4 +122,24 @@
 
     </androidx.cardview.widget.CardView>
 
+    <!-- Attribution -->
+    <FrameLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:background="@color/colorAttributionBackground"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent">
+
+        <TextView
+            android:id="@+id/attributionText"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            tools:text="Copyright (C) OpenStreetMap"
+            android:textSize="@dimen/attribution_text_size"
+            android:textColor="@color/colorAttributionText"
+            android:layout_margin="6dp" />
+
+    </FrameLayout>
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/androidApp/src/main/res/values-es-rMX/map_layers.xml b/androidApp/src/main/res/values-es-rMX/map_layers.xml
new file mode 100644
index 0000000..eff37d9
--- /dev/null
+++ b/androidApp/src/main/res/values-es-rMX/map_layers.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="layer_streets">Calles</string>
+    <string name="layer_satellite">Satélite</string>
+</resources>
\ No newline at end of file
diff --git a/androidApp/src/main/res/values-es-rMX/strings.xml b/androidApp/src/main/res/values-es-rMX/strings.xml
index 47e4716..0806870 100644
--- a/androidApp/src/main/res/values-es-rMX/strings.xml
+++ b/androidApp/src/main/res/values-es-rMX/strings.xml
@@ -19,9 +19,6 @@
     <string name="switch_layer">Cambiar capa del mapa</string>
     <string name="open_profile">Ver información de cuenta</string>
 
-    <string name="layer_streets">Calles</string>
-    <string name="layer_satellite">Satélite</string>
-
     <string name="menu_account">Cuenta</string>
     <string name="menu_about">Acerca de</string>
     <string name="menu_logout">Cerrar sesión</string>
diff --git a/androidApp/src/main/res/values/colors.xml b/androidApp/src/main/res/values/colors.xml
index bb4ab14..23fe6fb 100644
--- a/androidApp/src/main/res/values/colors.xml
+++ b/androidApp/src/main/res/values/colors.xml
@@ -12,6 +12,8 @@
     <color name="colorGeofenceLabel">#1976D2</color>
     <color name="colorGeofenceLabelOutline">#FFFFFF</color>
     <color name="colorReport">#388E3C</color>
+    <color name="colorAttributionText">#66000000</color>
+    <color name="colorAttributionBackground">#4DFFFFFF</color>
 
     <color name="colorOnline">#388E3C</color>
     <color name="colorOffline">#D32F2F</color>
diff --git a/androidApp/src/main/res/values/dimen.xml b/androidApp/src/main/res/values/dimen.xml
index 271a12b..92d5242 100644
--- a/androidApp/src/main/res/values/dimen.xml
+++ b/androidApp/src/main/res/values/dimen.xml
@@ -33,6 +33,7 @@
     <dimen name="geofence_label_text_size">11sp</dimen>
     <dimen name="geofence_label_width">4dp</dimen>
     <dimen name="report_label_width">10dp</dimen>
+    <dimen name="attribution_text_size">11sp</dimen>
 
     <!-- User Information -->
     <dimen name="fields_spacing">8dp</dimen>
diff --git a/androidApp/src/main/res/values/map_layers.xml b/androidApp/src/main/res/values/map_layers.xml
new file mode 100644
index 0000000..bffceb9
--- /dev/null
+++ b/androidApp/src/main/res/values/map_layers.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="layer_streets">Streets</string>
+    <string name="layer_satellite">Satellite</string>
+
+    <!-- Tile URLs -->
+    <!-- [0] = tile server URL -->
+    <!-- [1] = min zoom -->
+    <!-- [2] = max zoom -->
+    <!-- [3] = attribution text -->
+
+    <string-array name="maps_streets_tile" translatable="false">
+        <item>https://a.tile.openstreetmap.fr/osmfr/{z}/{x}/{y}.png</item>
+        <item>0</item>
+        <item>21</item>
+        <item>&#169; OpenStreetMap France | &#169; &lt;a href="https://www.openstreetmap.org/copyright"&gt;OpenStreetMap&lt;/a&gt; contributors</item>
+    </string-array>
+
+    <string-array name="maps_satellite_tile" translatable="false">
+        <item>https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}</item>
+        <item>0</item>
+        <item>20</item>
+        <item>Tiles &#169; Esri &#8212; Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community</item>
+    </string-array>
+
+</resources>
\ No newline at end of file
diff --git a/androidApp/src/main/res/values/strings.xml b/androidApp/src/main/res/values/strings.xml
index 1caf502..1cc1f10 100644
--- a/androidApp/src/main/res/values/strings.xml
+++ b/androidApp/src/main/res/values/strings.xml
@@ -10,13 +10,6 @@
         https://www.google.com/maps/place/%1$f,%2$f?z=19
     </string>
 
-    <string name="maps_streets_tile_url" translatable="false">
-        https://mt0.google.com/vt/lyrs=m&amp;hl=en&amp;x={x}&amp;y={y}&amp;z={z}&amp;s=Ga
-    </string>
-    <string name="maps_satellite_url" translatable="false">
-        https://mt0.google.com/vt/lyrs=y&amp;hl=en&amp;x={x}&amp;y={y}&amp;z={z}&amp;s=Ga
-    </string>
-
     <string name="notification_channel_id" translatable="false">default</string>
     <string name="notification_channel" translatable="false">Default</string>
 
@@ -39,10 +32,6 @@
     <string name="switch_layer">Switch map layer</string>
     <string name="open_profile">View account info</string>
 
-    <string name="layer_streets">Streets</string>
-    <string name="layer_satellite">Satellite</string>
-    <string name="layer_hybrid">Hybrid</string>
-
     <string name="menu_account">Account</string>
     <string name="menu_about">About</string>
     <string name="menu_logout">Logout</string>
diff --git a/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/client/models/MapLayer.kt b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/client/models/MapLayer.kt
new file mode 100644
index 0000000..64381d9
--- /dev/null
+++ b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/client/models/MapLayer.kt
@@ -0,0 +1,8 @@
+package mx.trackermap.TrackerMap.client.models
+
+data class MapLayer(
+    val url: String,
+    val minZoom: Int,
+    val maxZoom: Int,
+    val attribution: String
+)
\ No newline at end of file
diff --git a/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/utils/MapCalculus.kt b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/utils/MapCalculus.kt
new file mode 100644
index 0000000..118c117
--- /dev/null
+++ b/shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/utils/MapCalculus.kt
@@ -0,0 +1,37 @@
+package mx.trackermap.TrackerMap.utils
+
+class MapCalculus {
+    companion object {
+        /**
+         * WhirlyGlobe library uses height rather than zoom levels, but it supports converting
+         * Mapnik denominator scales to height, so we can first convert zoom levels to Mapnik
+         * denominator scales, and then convert them to height using WhirlyGlobe.
+         * Source: https://github.com/openstreetmap/mapnik-stylesheets/blob/master/zoom-to-scale.txt
+         */
+        fun zoomLevelToScale(zoom: Int): Double? =
+            when (zoom) {
+                1 -> 279541132.014
+                2 -> 139770566.007
+                3 -> 69885283.0036
+                4 -> 34942641.5018
+                5 -> 17471320.7509
+                6 -> 8735660.37545
+                7 -> 4367830.18772
+                8 -> 2183915.09386
+                9 -> 1091957.54693
+                10 -> 545978.773466
+                11 -> 272989.386733
+                12 -> 136494.693366
+                13 -> 68247.3466832
+                14 -> 34123.6733416
+                15 -> 17061.8366708
+                16 -> 8530.9183354
+                17 -> 4265.4591677
+                18 -> 2132.72958385
+                19 -> 1066.36479193
+                20 -> 533.182395965
+                21 -> 266.5911979825
+                else -> null
+        }
+    }
+}
\ No newline at end of file