Handle deleted items better.

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

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 646b9d63216fbc4128861fb659c16f1755cd9fd9..79da2f6e9a2d52bb451e4840557eab0736287bec 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -14,11 +14,11 @@ class GeocoderController < ApplicationController
       results.push search_us_postcode(query)
     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)
       results.push search_uk_postcode(query)
-#      results.push search_osm_namefinder(query)
+      results.push search_osm_namefinder(query)
     elsif query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i)
       results.push search_ca_postcode(query)
     else
-#      results.push search_osm_namefinder(query)
+      results.push search_osm_namefinder(query)
       results.push search_geonames(query)
     end
 
@@ -42,9 +42,9 @@ class GeocoderController < ApplicationController
     lat = params[:lat]
     lon = params[:lon]
 
-#    results.push description_osm_namefinder("cities", lat, lon, 2)
-#    results.push description_osm_namefinder("towns", lat, lon, 4)
-#    results.push description_osm_namefinder("places", lat, lon, 10)
+    results.push description_osm_namefinder("cities", lat, lon, 2)
+    results.push description_osm_namefinder("towns", lat, lon, 4)
+    results.push description_osm_namefinder("places", lat, lon, 10)
     results.push description_geonames(lat, lon)
 
     render :update do |page|
@@ -118,7 +118,7 @@ private
     results = Array.new
 
     # ask OSM namefinder
-    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{escape_query(query)}")
+    response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(query)}")
 
     # parse the response
     response.elements.each("searchresults/named") do |named|
@@ -129,28 +129,62 @@ private
       type = named.attributes["info"].to_s.capitalize
       name = named.attributes["name"].to_s
       description = named.elements["description"].to_s
+
       if name.empty?
         prefix = ""
         name = type
       else
         prefix = "#{type} "
       end
+
       if place
         distance = format_distance(place.attributes["approxdistance"].to_i)
         direction = format_direction(place.attributes["direction"].to_i)
-        placename = place.attributes["name"].to_s
+        placename = format_name(place.attributes["name"].to_s)
         suffix = ", #{distance} #{direction} of #{placename}"
+
+        if place.attributes["rank"].to_i <= 30
+          parent = nil
+          parentrank = 0
+          parentscore = 0
+
+          place.elements.each("nearestplaces/named") do |nearest|
+            nearestrank = nearest.attributes["rank"].to_i
+            nearestscore = nearestrank / nearest.attributes["distance"].to_f
+
+            if nearestrank > 30 and
+               ( nearestscore > parentscore or
+                 ( nearestscore == parentscore and nearestrank > parentrank ) )
+              parent = nearest
+              parentrank = nearestrank
+              parentscore = nearestscore
+            end
+          end
+
+          if parent
+            parentname = format_name(parent.attributes["name"].to_s)
+
+            if  place.attributes["info"].to_s == "suburb"
+              suffix = "#{suffix}, #{parentname}"
+            else
+              parentdistance = format_distance(parent.attributes["approxdistance"].to_i)
+              parentdirection = format_direction(parent.attributes["direction"].to_i)
+              suffix = "#{suffix} (#{parentdistance} #{parentdirection} of #{parentname})"
+            end
+          end
+        end
       else
         suffix = ""
       end
+
       results.push({:lat => lat, :lon => lon, :zoom => zoom,
                     :prefix => prefix, :name => name, :suffix => suffix,
                     :description => description})
     end
 
-    return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
+    return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :results => results }
   rescue Exception => ex
-    return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
+    return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" }
   end
 
   def search_geonames(query)
@@ -179,7 +213,7 @@ private
     results = Array.new
 
     # ask OSM namefinder
-    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
+    response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
 
     # parse the response
     response.elements.each("searchresults/named") do |named|
@@ -198,9 +232,9 @@ private
                     :description => description})
     end
 
-    return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
+    return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :results => results }
   rescue Exception => ex
-    return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
+    return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" }
   end
 
   def description_geonames(lat, lon)
@@ -245,6 +279,10 @@ private
     return "west"
   end
 
+  def format_name(name)
+    return name.gsub(/( *\[[^\]]*\])*$/, "")
+  end
+
   def count_results(results)
     count = 0