Changed api end point to https instead http. Added format(json) to requests. Added paramters language and zoom to reverse requests. Added optional address detailed information to reverse response

src/nominatim.constant.ts

@@ -1,4 +1,4 @@
 export const NominatimConstant = {
-  GEOCODING_ENDPOINT: "http://nominatim.openstreetmap.org/search",
-  REVERSE_GEOCODING_ENDPOINT: "http://nominatim.openstreetmap.org/reverse"
+  GEOCODING_ENDPOINT: "https://nominatim.openstreetmap.org/search",
+  REVERSE_GEOCODING_ENDPOINT: "https://nominatim.openstreetmap.org/reverse"
 };

src/nominatim.service.ts

@@ -7,7 +7,7 @@ import { GeocodeConfig } from "./geocode.config";
 import { ReverseGeocodeConfig } from "./reversegeocode.config";
 import { GeocodeResponse } from "./geocode.response";
 import { ReverseGeocodeResponse } from "./reversegeocode.response";
-import { Observable } from "rxjs/Observable";
+import { Observable } from "rxjs";
 
 @Injectable()
 export class NominatimService {
@@ -27,9 +27,10 @@ export class NominatimService {
       polygon_geojson = 1;
     }
     let params = new HttpParams();
-    params.set("q", q);
-    params.set("addressdetails", addressdetails.toString());
-    params.set("polygon_geojson", polygon_geojson.toString());
+    params = params.append("format", 'json');
+    params = params.append("q", q);
+    params = params.append("addressdetails", addressdetails.toString());
+    params = params.append("polygon_geojson", polygon_geojson.toString());
     return this.http.get<GeocodeResponse[]>(NominatimConstant.GEOCODING_ENDPOINT, {
       params: params
     });
@@ -46,11 +47,26 @@ export class NominatimService {
     if (polygon_geojson != 0 && polygon_geojson != 1) {
       polygon_geojson = 1;
     }
+    let lang = config["accept-language"];
+    if (!lang)
+    {
+      lang= 'es';
+    }
+    let zoom = config.zoom;
+    if (!zoom)
+    {
+      zoom = 8;
+    }
     let params = new HttpParams();
-    params.set("lat", lat.toString());
-    params.set("lon", lon.toString());
-    params.set("addressdetails", addressdetails.toString());
-    params.set("polygon_geojson", polygon_geojson.toString());
+
+    params = params.append("format", 'json');
+    params = params.append("lat", lat.toString());
+    params = params.append("lon", lon.toString());
+    params = params.append("zoom", zoom.toString());
+    params = params.append("addressdetails", addressdetails.toString());
+    params = params.append("polygon_geojson", polygon_geojson.toString());
+    params = params.append("accept-language", lang);
+    console.log('Params: ', params)
     return this.http.get<ReverseGeocodeResponse>(NominatimConstant.REVERSE_GEOCODING_ENDPOINT, {
       params: params
     });

src/reversegeocode.config.ts

@@ -1,6 +1,8 @@
 export interface ReverseGeocodeConfig {
   lat: number;
   lon: number;
+  zoom?: number;
   addressdetails?: number;
   polygon_geojson?: number;
+  'accept-language'?: string;
 }

src/reversegeocode.response.ts

@@ -13,4 +13,14 @@ export interface ReverseGeocodeResponse {
   readonly importance: number;
   readonly addresstype: string;
   readonly name: string;
+  readonly address?: {
+    country?: string;
+    state?: string;
+    county?: string;
+    city?: string;
+    suburb?: string;
+    'major streets'?: string;
+    'major and minor streets'?: string;
+    building?: string;
+  };
 }