Improve translatability of nominatim results. Closes #2498.
[rails.git] / app / controllers / geocoder_controller.rb
index 6c98d49ddef8cd01373f716d04861e5923ec27b1..9210fa8b5ebd31dee7f17b5aad09e0fa7ad2b068 100644 (file)
@@ -19,12 +19,12 @@ class GeocoderController < ApplicationController
       @sources.push "us_postcode"
     elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
       @sources.push "uk_postcode"
-      @sources.push "osm_nominatim" if APP_CONFIG['nominatim_enabled']
+      @sources.push "osm_nominatim"
       @sources.push "osm_namefinder"
     elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
       @sources.push "ca_postcode"
     else
-      @sources.push "osm_nominatim" if APP_CONFIG['nominatim_enabled']
+      @sources.push "osm_nominatim"
       @sources.push "osm_namefinder"
       @sources.push "geonames"
     end
@@ -218,30 +218,33 @@ class GeocoderController < ApplicationController
   def search_osm_nominatim
     # get query parameters
     query = params[:query]
+    minlon = params[:minlon]
+    minlat = params[:minlat]
+    maxlon = params[:maxlon]
+    maxlat = params[:maxlat]
+
+    # get view box
+    if minlon && minlat && maxlon && maxlat
+      viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}"
+    end
 
     # create result array
     @results = Array.new
 
-    # ask OSM namefinder
-    response = fetch_xml("http://nominatim.openstreetmap.org/search.php?format=xml&polygon=true&q=#{escape_query(query)}")
+    # ask nominatim
+    response = fetch_xml("http://nominatim.openstreetmap.org/search?format=xml&q=#{escape_query(query)}#{viewbox}&accept-language=#{request.user_preferred_languages.join(',')}")
 
     # parse the response
     response.elements.each("searchresults/place") do |place|
       lat = place.attributes["lat"].to_s
       lon = place.attributes["lon"].to_s
-      zoom = place.attributes["zoom"].to_s
       klass = place.attributes["class"].to_s
       type = place.attributes["type"].to_s
       name = place.attributes["display_name"].to_s
       min_lat,max_lat,min_lon,max_lon = place.attributes["boundingbox"].to_s.split(",")
+      prefix = t "geocoder.search_osm_nominatim.prefix_#{type}", :default => type.gsub("_", " ").capitalize
 
-      if klass == "highway"
-        prefix = t 'geocoder.search_osm_nominatim.prefix_highway', :type => type.capitalize
-      else
-        prefix = t 'geocoder.search_osm_nominatim.prefix_other', :type => type.capitalize
-      end
-
-      @results.push({:lat => lat, :lon => lon, :zoom => zoom,
+      @results.push({:lat => lat, :lon => lon,
                      :min_lat => min_lat, :max_lat => max_lat,
                      :min_lon => min_lon, :max_lon => max_lon,
                      :prefix => prefix, :name => name})
@@ -284,7 +287,7 @@ class GeocoderController < ApplicationController
   def description
     @sources = Array.new
 
-    @sources.push({ :name => "osm_nominatim" }) if APP_CONFIG['nominatim_enabled']
+    @sources.push({ :name => "osm_nominatim" })
     @sources.push({ :name => "osm_namefinder", :types => "cities", :max => 2 })
     @sources.push({ :name => "osm_namefinder", :types => "towns", :max => 4 })
     @sources.push({ :name => "osm_namefinder", :types => "places", :max => 10 })
@@ -342,7 +345,7 @@ class GeocoderController < ApplicationController
     @results = Array.new
 
     # ask OSM namefinder
-    response = fetch_xml("http://nominatim.openstreetmap.org/reverse.php?lat=#{lat}&lon=#{lon}&zoom=#{zoom}")
+    response = fetch_xml("http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
 
     # parse the response
     response.elements.each("reversegeocode") do |result|