From d4e4a4a00c04d2a848d1f1f8d58724202d578ea6 Mon Sep 17 00:00:00 2001
From: Matjaž Črnko <m.crnko@txt.si>
Date: Sat, 15 Jun 2024 21:09:18 +0200
Subject: Photon Geocoder

---
 src/main/java/org/traccar/MainModule.java          |  4 ++
 .../java/org/traccar/geocoder/PhotonGeocoder.java  | 75 ++++++++++++++++++++++
 .../java/org/traccar/geocoder/GeocoderTest.java    |  7 ++
 3 files changed, 86 insertions(+)
 create mode 100644 src/main/java/org/traccar/geocoder/PhotonGeocoder.java

(limited to 'src')

diff --git a/src/main/java/org/traccar/MainModule.java b/src/main/java/org/traccar/MainModule.java
index 66238ab44..5df8015d9 100644
--- a/src/main/java/org/traccar/MainModule.java
+++ b/src/main/java/org/traccar/MainModule.java
@@ -68,6 +68,7 @@ import org.traccar.geocoder.OpenCageGeocoder;
 import org.traccar.geocoder.PositionStackGeocoder;
 import org.traccar.geocoder.PlusCodesGeocoder;
 import org.traccar.geocoder.TomTomGeocoder;
+import org.traccar.geocoder.PhotonGeocoder;
 import org.traccar.geolocation.GeolocationProvider;
 import org.traccar.geolocation.GoogleGeolocationProvider;
 import org.traccar.geolocation.OpenCellIdGeolocationProvider;
@@ -261,6 +262,9 @@ public class MainModule extends AbstractModule {
                 case "geoapify":
                     geocoder = new GeoapifyGeocoder(client, key, language, cacheSize, addressFormat);
                     break;
+                case "photon":
+                    geocoder = new PhotonGeocoder(client, url, key, language, cacheSize, addressFormat);
+                    break;
                 default:
                     geocoder = new GoogleGeocoder(client, key, language, cacheSize, addressFormat);
                     break;
diff --git a/src/main/java/org/traccar/geocoder/PhotonGeocoder.java b/src/main/java/org/traccar/geocoder/PhotonGeocoder.java
new file mode 100644
index 000000000..898c04afd
--- /dev/null
+++ b/src/main/java/org/traccar/geocoder/PhotonGeocoder.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014 - 2024 Anton Tananaev (anton@traccar.org)
+ * Copyright 2024 - 2024 Matjaž Črnko (m.crnko@txt.i)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.geocoder;
+
+import jakarta.json.JsonArray;
+import jakarta.json.JsonObject;
+import jakarta.ws.rs.client.Client;
+
+public class PhotonGeocoder extends JsonGeocoder {
+
+    private static String formatUrl(String url, String key, String language) {
+        if (url == null) {
+            url = "https://photon.komoot.io/reverse";
+        }
+        url += "?lat=%f&lon=%f";
+        if (language != null) {
+            url += "&lang=" + language;
+        }
+        return url;
+    }
+
+    public PhotonGeocoder(
+            Client client, String url, String key, String language, int cacheSize, AddressFormat addressFormat) {
+        super(client, formatUrl(url, key, language), cacheSize, addressFormat);
+    }
+
+    @Override
+    public Address parseAddress(JsonObject json) {
+        JsonArray features = json.getJsonArray("features");
+        if (!features.isEmpty()) {
+            Address address = new Address();
+            JsonObject properties = features.getJsonObject(0).getJsonObject("properties");
+
+            if (properties.containsKey("housenumber")) {
+                address.setHouse(properties.getString("housenumber"));
+            }
+            if (properties.containsKey("street")) {
+                address.setStreet(properties.getString("street"));
+            }
+            if (properties.containsKey("city")) {
+                address.setSettlement(properties.getString("city"));
+            }
+            if (properties.containsKey("district")) {
+                address.setState(properties.getString("district"));
+            }
+            if (properties.containsKey("state")) {
+                address.setState(properties.getString("state"));
+            }
+            if (properties.containsKey("countrycode")) {
+                address.setCountry(properties.getString("countrycode").toUpperCase());
+            }
+            if (properties.containsKey("postcode")) {
+                address.setPostcode(properties.getString("postcode"));
+            }
+
+            return address;
+        }
+        return null;
+    }
+
+}
diff --git a/src/test/java/org/traccar/geocoder/GeocoderTest.java b/src/test/java/org/traccar/geocoder/GeocoderTest.java
index ef2dd062d..e05477ac3 100644
--- a/src/test/java/org/traccar/geocoder/GeocoderTest.java
+++ b/src/test/java/org/traccar/geocoder/GeocoderTest.java
@@ -122,4 +122,11 @@ public class GeocoderTest {
         assertEquals("114 East 13th Street, New York, New York, US", address);
     }
 
+    @Disabled
+    @Test
+    public void testPhoton() {
+        Geocoder geocoder = new PhotonGeocoder(client, null, null, null, 0, new AddressFormat());
+        String address = geocoder.getAddress(40.7337807, -73.9974401, null);
+        assertEquals("35 West 9th Street, New York, New York, US", address);
+    }
 }
-- 
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