mirror of https://github.com/tasks/tasks
Add NominatimGeocoder
Alex Baker
4 years ago
parent
b8edd4fb72
commit
bb4ccd8dd8
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package org.tasks.location
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import com.google.gson.JsonElement
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import com.google.gson.JsonParser
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import okhttp3.OkHttpClient
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import okhttp3.Request
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import org.tasks.DebugNetworkInterceptor
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import org.tasks.data.Place
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import org.tasks.data.Place.Companion.newPlace
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import org.tasks.preferences.Preferences
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import java.io.IOException
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import javax.inject.Inject
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class NominatimGeocoder @Inject constructor(
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private val preferences: Preferences,
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private val interceptor: DebugNetworkInterceptor,
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) : Geocoder {
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override suspend fun reverseGeocode(mapPosition: MapPosition): Place? =
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withContext(Dispatchers.IO) {
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val builder = OkHttpClient().newBuilder()
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if (preferences.isFlipperEnabled) {
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interceptor.apply(builder)
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}
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val client = builder.build()
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val url = "https://nominatim.openstreetmap.org/reverse?format=geocodejson&lat=${mapPosition.latitude}&lon=${mapPosition.longitude}"
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val response = client.newCall(Request.Builder().get().url(url).build()).execute()
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if (response.isSuccessful) {
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response.body?.string()?.let { jsonToPlace(it) }
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} else {
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throw IOException("${response.code} ${response.message}")
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}
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}
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companion object {
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internal fun jsonToPlace(json: String): Place? =
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JsonParser
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.parseString(json).asJsonObject.getAsJsonArray("features")
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.takeIf { it.size() > 0 }?.get(0)?.asJsonObject
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?.let { feature ->
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val geocoding = feature
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.get("properties").asJsonObject
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.get("geocoding").asJsonObject
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val geometry = feature.get("geometry").asJsonObject
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newPlace().apply {
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val type = geocoding.get("type").asString
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name = if (type.equals("house")) {
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"${geocoding.get("housenumber").asString} ${geocoding.get("street").asString}"
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} else {
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geocoding.get("name").asString
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}
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address = geocoding.get("label").asString
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geometry.get("coordinates").asCoordinates.let {
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longitude = it.first
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latitude = it.second
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}
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}
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}
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private val JsonElement.asCoordinates: Pair<Double, Double>
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get() = asJsonArray.let { Pair(it[0].asDouble, it[1].asDouble) }
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}
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}
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package org.tasks.location
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import org.junit.Assert.assertEquals
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import org.junit.Test
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import org.tasks.TestUtilities.readFile
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class NominatimGeocoderTest {
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@Test
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fun pitchGeocode() {
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val place = NominatimGeocoder.jsonToPlace(readFile("nominatim/pitch.json"))!!
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assertEquals("Guaranteed Rate Field", place.name)
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assertEquals(-87.63362064328714, place.longitude, 0.0)
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assertEquals(41.82982845, place.latitude, 0.0)
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assertEquals(
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"Guaranteed Rate Field, West 36th Street, Armour Square, Chicago, Cook County, Illinois, 60616, United States",
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place.address
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)
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}
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@Test
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fun houseGeocode() {
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val place = NominatimGeocoder.jsonToPlace(readFile("nominatim/house.json"))!!
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assertEquals("1 Løvenbergvegen", place.name)
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assertEquals(11.1658572, place.longitude, 0.0)
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assertEquals(60.2301296, place.latitude, 0.0)
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assertEquals(
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"1, Løvenbergvegen, Mogreina, Ullensaker, Viken, 2054, Norge",
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place.address
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)
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}
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}
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{
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"type": "FeatureCollection",
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"geocoding": {
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"version": "0.1.0",
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"attribution": "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
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"licence": "ODbL",
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"query": "60.2301296,11.1658572"
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},
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"features": [
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{
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"type": "Feature",
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"properties": {
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"geocoding": {
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"place_id": 39928913,
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"osm_type": "node",
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"osm_id": 3110596255,
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"type": "house",
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"accuracy": 0,
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"label": "1, Løvenbergvegen, Mogreina, Ullensaker, Viken, 2054, Norge",
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"country": "Norge",
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"postcode": "2054",
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"county": "Viken",
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"city": "Mogreina",
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"street": "Løvenbergvegen",
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"housenumber": "1",
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"admin": {
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"level4": "Viken",
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"level7": "Ullensaker"
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}
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}
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},
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"geometry": {
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"type": "Point",
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"coordinates": [
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11.1658572,
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60.2301296
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]
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}
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}
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]
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}
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@ -0,0 +1,45 @@
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{
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"type": "FeatureCollection",
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"geocoding": {
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"version": "0.1.0",
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"attribution": "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
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"licence": "ODbL",
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"query": "41.8299365,-87.633806"
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},
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"features": [
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{
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"type": "Feature",
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"properties": {
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"geocoding": {
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"place_id": 258870464,
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"osm_type": "relation",
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"osm_id": 3834547,
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"type": "pitch",
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"accuracy": 0,
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"label": "Guaranteed Rate Field, West 36th Street, Armour Square, Chicago, Cook County, Illinois, 60616, United States",
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"name": "Guaranteed Rate Field",
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"country": "United States",
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"postcode": "60616",
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"state": "Illinois",
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"county": "Cook County",
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"city": "Chicago",
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"district": "Armour Square",
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"street": "West 36th Street",
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"admin": {
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"level4": "Illinois",
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"level6": "Cook County",
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"level8": "Chicago",
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"level10": "Armour Square"
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}
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}
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},
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"geometry": {
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"type": "Point",
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"coordinates": [
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-87.63362064328714,
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41.82982845
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]
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}
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}
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]
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}
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