Make sure we load OpenLayers resources from the right place.

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

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 6c4afeb90eee44a0378d9c62f53d3133ed642856..489d89b58b5422059aca844cc68cd1f1d6bef7b3 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -21,13 +21,13 @@ class GeocoderController < ApplicationController
     results_count = count_results(results)
 
     render :update do |page|
-      page.replace_html :search_results_content, :partial => 'results', :object => results
+      page.replace_html :sidebar_content, :partial => 'results', :object => results
 
       if results_count == 1
         position = results.collect { |s| s[:results] }.compact.flatten[0]
         page.call "setPosition", position[:lat], position[:lon], position[:zoom]
       else
-        page.call "openSearchResults"
+        page.call "openSidebar"
       end
     end
   end
@@ -41,10 +41,11 @@ class GeocoderController < ApplicationController
     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|
-      page.replace_html :search_results_content, :partial => 'results', :object => results
-      page.call "openSearchResults"
+      page.replace_html :sidebar_content, :partial => 'results', :object => results
+      page.call "openSidebar"
     end
   end
 
@@ -54,7 +55,7 @@ private
     results = Array.new
 
     # ask geocoder.us (they have a non-commercial use api)
-    response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{URI.escape(query)}")
+    response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{escape_query(query)}")
 
     # parse the response
     unless response.match(/couldn't find this zip/)
@@ -73,7 +74,7 @@ private
     results = Array.new
 
     # 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=#{URI.escape(query)}")
+    response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{escape_query(query)}")
 
     # parse the response
     unless response.match(/Error/)
@@ -92,7 +93,7 @@ private
     results = Array.new
 
     # ask geocoder.ca (note - they have a per-day limit)
-    response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{URI.escape(query)}")
+    response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
 
     # parse the response
     unless response.get_elements("geodata/error")
@@ -111,7 +112,7 @@ private
     results = Array.new
 
     # ask OSM namefinder
-    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}")
+    response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{escape_query(query)}")
 
     # parse the response
     response.elements.each("searchresults/named") do |named|
@@ -150,7 +151,7 @@ private
     results = Array.new
 
     # ask geonames.org
-    response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20")
+    response = fetch_xml("http://ws.geonames.org/search?q=#{escape_query(query)}&maxRows=20")
 
     # parse the response
     response.elements.each("geonames/geoname") do |geoname|
@@ -184,7 +185,7 @@ private
       name = named.attributes["name"].to_s
       description = named.elements["description"].to_s
       distance = format_distance(place.attributes["approxdistance"].to_i)
-      direction = format_direction(360 - place.attributes["direction"].to_i)
+      direction = format_direction((place.attributes["direction"].to_i - 180) % 360)
       prefix = "#{distance} #{direction} of #{type} "
       results.push({:lat => lat, :lon => lon, :zoom => zoom,
                     :prefix => prefix.capitalize, :name => name,
@@ -196,6 +197,24 @@ private
     return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
   end
 
+  def description_geonames(lat, lon)
+    results = Array.new
+
+    # ask geonames.org
+    response = fetch_xml("http://ws.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}")
+
+    # parse the response
+    response.elements.each("geonames/countrySubdivision") do |geoname|
+      name = geoname.get_text("adminName1").to_s
+      country = geoname.get_text("countryName").to_s
+      results.push({:prefix => "#{name}, #{country}"})
+    end
+
+    return { :type => "Location", :source => "GeoNames", :url => "http://www.geonames.org/", :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}" }
+  end
+
   def fetch_text(url)
     return Net::HTTP.get(URI.parse(url))
   end
@@ -229,4 +248,8 @@ private
 
     return count
   end
+
+  def escape_query(query)
+    return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
+  end
 end