Merge remote-tracking branch 'upstream/pull/1961'

[rails.git] / app / controllers / geocoder_controller.rb

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index b9bde31abc4df3ecb43938bba5fd728f5d4c2d07..d92da72b1d71b4159c66748124fd1c8a841bf425 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -19,7 +19,6 @@ class GeocoderController < ApplicationController
       if @params[:query] =~ /^\d{5}(-\d{4})?$/
         @sources.push "osm_nominatim"
       elsif @params[:query] =~ /^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i
-        @sources.push "uk_postcode"
         @sources.push "osm_nominatim"
       elsif @params[:query] =~ /^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i
         @sources.push "ca_postcode"
@@ -40,45 +39,45 @@ class GeocoderController < ApplicationController
   def search_latlon
     lat = params[:lat].to_f
     lon = params[:lon].to_f
-    if lat < -90 || lat > 90
-      @error = "Latitude #{lat} out of range"
-      render :action => "error"
-    elsif lon < -180 || lon > 180
-      @error = "Longitude #{lon} out of range"
-      render :action => "error"
-    else
-      @results = [{ :lat => lat, :lon => lon,
-                    :zoom => params[:zoom],
-                    :name => "#{lat}, #{lon}" }]
 
-      render :action => "results"
-    end
-  end
+    if params[:latlon_digits]
+      # We've got two nondescript numbers for a query, which can mean both "lat, lon" or "lon, lat".
+      @results = []
 
-  def search_uk_postcode
-    # get query parameters
-    query = params[:query]
+      if lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180
+        @results.push(:lat => lat, :lon => lon,
+                      :zoom => params[:zoom],
+                      :name => "#{lat}, #{lon}")
+      end
 
-    # create result array
-    @results = []
+      if lon >= -90 && lon <= 90 && lat >= -180 && lat <= 180
+        @results.push(:lat => lon, :lon => lat,
+                      :zoom => params[:zoom],
+                      :name => "#{lon}, #{lat}")
+      end
 
-    # ask npemap.org.uk to do a combined npemap + freethepostcode search
-    response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{escape_query(query)}")
+      if @results.empty?
+        @error = "Latitude or longitude are out of range"
+        render :action => "error"
+      else
+        render :action => "results"
+      end
+    else
+      # Coordinates in a query have come with markers for latitude and longitude.
+      if lat < -90 || lat > 90
+        @error = "Latitude #{lat} out of range"
+        render :action => "error"
+      elsif lon < -180 || lon > 180
+        @error = "Longitude #{lon} out of range"
+        render :action => "error"
+      else
+        @results = [{ :lat => lat, :lon => lon,
+                      :zoom => params[:zoom],
+                      :name => "#{lat}, #{lon}" }]
 
-    # parse the response
-    unless response =~ /Error/
-      dataline = response.split(/\n/)[1]
-      data = dataline.split(/,/) # easting,northing,postcode,lat,long
-      postcode = data[2].delete("'")
-      zoom = POSTCODE_ZOOM - postcode.count("#")
-      @results.push(:lat => data[3], :lon => data[4], :zoom => zoom,
-                    :name => postcode)
+        render :action => "results"
+      end
     end
-
-    render :action => "results"
-  rescue StandardError => ex
-    @error = "Error contacting www.npemap.org.uk: #{ex}"
-    render :action => "error"
   end
 
   def search_ca_postcode
@@ -112,9 +111,7 @@ class GeocoderController < ApplicationController
     maxlat = params[:maxlat]
 
     # get view box
-    if minlon && minlat && maxlon && maxlat
-      viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}"
-    end
+    viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" if minlon && minlat && maxlon && maxlat
 
     # get objects to excude
     exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
@@ -153,9 +150,7 @@ class GeocoderController < ApplicationController
         rank = (place.attributes["place_rank"].to_i + 1) / 2
         prefix_name = t "geocoder.search_osm_nominatim.admin_levels.level#{rank}", :default => prefix_name
         place.elements["extratags"].elements.each("tag") do |extratag|
-          if extratag.attributes["key"] == "place"
-            prefix_name = t "geocoder.search_osm_nominatim.prefix.place.#{extratag.attributes['value']}", :default => prefix_name
-          end
+          prefix_name = t "geocoder.search_osm_nominatim.prefix.place.#{extratag.attributes['value']}", :default => prefix_name if extratag.attributes["key"] == "place"
         end
       end
       prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
@@ -310,11 +305,11 @@ class GeocoderController < ApplicationController
         params.merge!(dms_to_decdeg(latlon)).delete(:query)
 
       elsif latlon = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
-        params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f).delete(:query)
+        params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f, :latlon_digits => true).delete(:query)
       end
     end
 
-    params.permit(:query, :lat, :lon, :zoom, :minlat, :minlon, :maxlat, :maxlon)
+    params.permit(:query, :lat, :lon, :latlon_digits, :zoom, :minlat, :minlon, :maxlat, :maxlon)
   end
 
   def nsew_to_decdeg(captures)