Support zip codes

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

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 4c56ce9d719cc6b337354f80a45ec551079333a7..22b1a8b3ff11759aed811fbddea85e6c8deb68e5 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -1,38 +1,65 @@
 class GeocoderController < ApplicationController
 class GeocoderController < ApplicationController

+  layout 'site'

 
   require 'net/http'
   require 'rexml/document'
 
   def search
 
   require 'net/http'
   require 'rexml/document'
 
   def search

-    @res_hash = {}
+    res_hash = {}

     @postcode_arr = []
     @postcode_arr = []

+    @res_ary = []

 
 

+    if params[:query][:postcode] 
+      postcode = params[:query][:postcode]
+      escaped_postcode = postcode.sub(/\s/,'%20')

 
 

-    if params[:query][:place_name] != nil or "" 
-      place_name = params[:query][:place_name]
-      Net::HTTP.start('ws.geonames.org') do |http|
-        res = http.get("/search?q=#{place_name}&maxRows=10")
-        xml = REXML::Document.new(res.body)
-        xml.elements.each("/geonames/geoname") do |ele|
-          ele.elements.each("name"){ |n| @res_hash['name'] = n.text }
-          ele.elements.each("countryCode"){ |n| @res_hash['country'] = n.text }
-          ele.elements.each("lat"){ |n| @res_hash['lat'] = n.text }
-          ele.elements.each("lng"){ |n| @res_hash['lon']= n.text }
+      if postcode.match(/(^\d{5}$)|(^\d{5}-\d{4}$)/)
+        # Its a zip code - ask geocoder.us
+        # (They have a non commerical use api)
+        Net::HTTP.start('rpc.geocoder.us') do |http|
+          resp = http.get("/service/csv?zip=#{postcode}")
+          data = resp.body.split(/, /) # lat,long,town,state,zip
+          lat = data[0] 
+          lon = data[1]
+          redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
+        end
+      elsif postcode.match(/^(\w{1,2}\d+\w?\s*\d\w\w)/)
+        # It matched our naive UK postcode regexp
+        # Ask npemap to do a combined npemap + freethepostcode search
+        Net::HTTP.start('www.npemap.org.uk') do |http|
+          resp = http.get("/cgi/geocoder.fcgi?format=text&postcode=#{escaped_postcode}")
+          dataline = resp.body.split(/\n/)[1]
+          data = dataline.split(/,/) # easting,northing,postcode,lat,long
+          lat = data[3] 
+          lon = data[4]
+          redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"

         end
         end

-      end
-    end
-    
-    if params[:query][:postcode]
-      postcode = params[:query][:postcode]
-      Net::HTTP.start('www.freethepostcode.org') do |http|
-        unless resp.code ~ /^2*/
-        resp = http.get("/geocode?postcode=#{postcode}")
-        lat = resp.body.scan(/[4-6][0-9]\.?[0-9]+/)
-        lon = resp.body.scan(/[-+][0-9]\.?[0-9]+/)
-        @postcode_array = [lat, lon]

       else
       else

+        # Some other postcode / zip file
+        redirect_to "/index.html?error=unknown_postcode_or_zip"

       end
       end

-      redirect_to "/index.html?lat=#{@postcode_array[0]}&lon=#{@postcode_array[1]}&zoom=14"
+    else
+      if params[:query][:place_name] != nil or "" 
+        place_name = params[:query][:place_name]
+        Net::HTTP.start('ws.geonames.org') do |http|
+          res = http.get("/search?q=#{place_name}&maxRows=10")
+          xml = REXML::Document.new(res.body)
+          xml.elements.each("geonames/geoname") do |ele|
+            res_hash = {}
+            ele.elements.each("name"){ |n| res_hash['name'] = n.text }
+            ele.elements.each("countryCode"){ |n| res_hash['country_code'] = n.text }
+            ele.elements.each("countryNode"){ |n| res_hash['country_name'] = n.text }
+            ele.elements.each("lat"){ |n| res_hash['lat'] = n.text }
+            ele.elements.each("lng"){ |n| res_hash['lon']= n.text }
+            @res_ary << res_hash
+          end 
+        end
+      end
+      redirect_to :controller => 'geocoder', :action => 'results', :params => @res_ary

     end
   end
     end
   end

+
+  def result
+    @res = :params[@res_ary]
+  end

 end
 end