Merge branch 'master' into openstreetbugs

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

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 556cfb36ad4ae53bf04fbadd3097cbdc9bb31dbd..29e7648afed5878eecbcdc05bb43a2d2b869e47c 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -17,13 +17,15 @@ class GeocoderController < ApplicationController
       @sources.push "latlon"
     elsif @query.match(/^\d{5}(-\d{4})?$/)
       @sources.push "us_postcode"
       @sources.push "latlon"
     elsif @query.match(/^\d{5}(-\d{4})?$/)
       @sources.push "us_postcode"

+      @sources.push "osm_nominatim"

     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})$/i)
       @sources.push "uk_postcode"
     elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
       @sources.push "uk_postcode"

-      @sources.push "osm_namefinder"
+      @sources.push "osm_nominatim"

     elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
       @sources.push "ca_postcode"
     elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
       @sources.push "ca_postcode"

+      @sources.push "osm_nominatim"

     else
     else

-      @sources.push "osm_namefinder"
+      @sources.push "osm_nominatim"

       @sources.push "geonames"
     end
 
       @sources.push "geonames"
     end
 


@@ -55,7 +57,7 @@ class GeocoderController < ApplicationController
       render :action => "error"
     else
       @results.push({:lat => lat, :lon => lon,
       render :action => "error"
     else
       @results.push({:lat => lat, :lon => lon,

-                     :zoom => APP_CONFIG['postcode_zoom'],
+                     :zoom => POSTCODE_ZOOM,

                      :name => "#{lat}, #{lon}"})
 
       render :action => "results"
                      :name => "#{lat}, #{lon}"})
 
       render :action => "results"


@@ -76,7 +78,7 @@ class GeocoderController < ApplicationController
     unless response.match(/couldn't find this zip/)
       data = response.split(/\s*,\s+/) # lat,long,town,state,zip
       @results.push({:lat => data[0], :lon => data[1],
     unless response.match(/couldn't find this zip/)
       data = response.split(/\s*,\s+/) # lat,long,town,state,zip
       @results.push({:lat => data[0], :lon => data[1],

-                     :zoom => APP_CONFIG['postcode_zoom'],
+                     :zoom => POSTCODE_ZOOM,

                      :prefix => "#{data[2]}, #{data[3]},",
                      :name => data[4]})
     end
                      :prefix => "#{data[2]}, #{data[3]},",
                      :name => data[4]})
     end


@@ -102,7 +104,7 @@ class GeocoderController < ApplicationController
       dataline = response.split(/\n/)[1]
       data = dataline.split(/,/) # easting,northing,postcode,lat,long
       postcode = data[2].gsub(/'/, "")
       dataline = response.split(/\n/)[1]
       data = dataline.split(/,/) # easting,northing,postcode,lat,long
       postcode = data[2].gsub(/'/, "")

-      zoom = APP_CONFIG['postcode_zoom'] - postcode.count("#")
+      zoom = POSTCODE_ZOOM - postcode.count("#")

       @results.push({:lat => data[3], :lon => data[4], :zoom => zoom,
                      :name => postcode})
     end
       @results.push({:lat => data[3], :lon => data[4], :zoom => zoom,
                      :name => postcode})
     end


@@ -125,7 +127,7 @@ class GeocoderController < ApplicationController
     if response.get_elements("geodata/error").empty?
       @results.push({:lat => response.get_text("geodata/latt").to_s,
                      :lon => response.get_text("geodata/longt").to_s,
     if response.get_elements("geodata/error").empty?
       @results.push({:lat => response.get_text("geodata/latt").to_s,
                      :lon => response.get_text("geodata/longt").to_s,

-                     :zoom => APP_CONFIG['postcode_zoom'],
+                     :zoom => POSTCODE_ZOOM,

                      :name => query.upcase})
     end
 
                      :name => query.upcase})
     end
 


@@ -213,6 +215,60 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
     render :action => "error"
   end
 

+  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
+
+    # get objects to excude
+    if params[:exclude]
+      exclude = "&exclude_place_ids=#{params[:exclude].join(',')}"
+    end
+
+    # ask nominatim
+    response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{request.user_preferred_languages.join(',')}")
+
+    # create result array
+    @results = Array.new
+
+    # create parameter hash for "more results" link
+    @more_params = params.reverse_merge({ :exclude => [] })
+
+    # extract the results from the response
+    results =  response.elements["searchresults"]
+
+    # parse the response
+    results.elements.each("place") do |place|
+      lat = place.attributes["lat"].to_s
+      lon = place.attributes["lon"].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_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
+      prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
+
+      @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})
+      @more_params[:exclude].push(place.attributes["place_id"].to_s)
+    end
+
+    render :action => "results"
+  rescue Exception => ex
+    @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}"
+    render :action => "error"
+  end
+

   def search_geonames
     # get query parameters
     query = params[:query]
   def search_geonames
     # get query parameters
     query = params[:query]


@@ -230,7 +286,7 @@ class GeocoderController < ApplicationController
       name = geoname.get_text("name").to_s
       country = geoname.get_text("countryName").to_s
       @results.push({:lat => lat, :lon => lon,
       name = geoname.get_text("name").to_s
       country = geoname.get_text("countryName").to_s
       @results.push({:lat => lat, :lon => lon,

-                     :zoom => APP_CONFIG['geonames_zoom'],
+                     :zoom => GEONAMES_ZOOM,

                      :name => name,
                      :suffix => ", #{country}"})
     end
                      :name => name,
                      :suffix => ", #{country}"})
     end


@@ -240,13 +296,11 @@ class GeocoderController < ApplicationController
     @error = "Error contacting ws.geonames.org: #{ex.to_s}"
     render :action => "error"
   end
     @error = "Error contacting ws.geonames.org: #{ex.to_s}"
     render :action => "error"
   end

-  
+

   def description
     @sources = Array.new
 
   def description
     @sources = Array.new
 

-    @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 })
+    @sources.push({ :name => "osm_nominatim" })

     @sources.push({ :name => "geonames" })
 
     render :update do |page|
     @sources.push({ :name => "geonames" })
 
     render :update do |page|


@@ -291,6 +345,31 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
     render :action => "error"
   end
 

+  def description_osm_nominatim
+    # get query parameters
+    lat = params[:lat]
+    lon = params[:lon]
+    zoom = params[:zoom]
+
+    # create result array
+    @results = Array.new
+
+    # ask OSM namefinder
+    response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
+
+    # parse the response
+    response.elements.each("reversegeocode/result") do |result|
+      description = result.get_text.to_s
+
+      @results.push({:prefix => "#{description}"})
+    end
+
+    render :action => "results"
+  rescue Exception => ex
+    @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}"
+    render :action => "error"
+  end
+

   def description_geonames
     # get query parameters
     lat = params[:lat]
   def description_geonames
     # get query parameters
     lat = params[:lat]