Allow the map centre and marker position to be set independently.

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

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 6955579ed952e9953db7eb0366d649eaf6d31836..8444311b5ba91e1b2329add807faf81d17189311 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -5,25 +5,47 @@ class GeocoderController < ApplicationController
   require 'rexml/document'
 
   def search
-    @postcode_arr = []
 
-    unless params[:query][:postcode].empty? 
-      postcode = params[:query][:postcode].upcase
-      escaped_postcode = postcode.sub(/\s/,'%20')
+    if params[:postcode]
+      unless params[:postcode].empty?
+        postcode = params[:postcode]
+        check_postcode(postcode)
+        return
+      end
+    end
+    if params[:query][:postcode]
+      unless params[:query][:postcode].empty?
+        postcode =params[:query][:postcode]
+        check_postcode(postcode)
+        return
+      end
+    end
+    if params[:query][:place_name]  
+      @place_name = params[:query][:place_name]
+      redirect_to :controller => 'geocoder', :action => 'results', :params => {:place_name => @place_name}
+    end 
+  end
+
+  def check_postcode(p)
+
+    @postcode_arr = []
+    postcode = p.upcase
+    escaped_postcode = postcode.sub(/\s/,'%20')
 
+    begin
       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}")
           if resp.body.match(/couldn't find this zip/)
-            redirect_to "/index.html?error=invalid_zip_code"
+            redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_zip_code"
             return
           end
           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"
+          redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
           return
         end
       elsif postcode.match(/^([A-Z]{1,2}\d+[A-Z]?\s*\d[A-Z]{2})/)
@@ -35,7 +57,7 @@ class GeocoderController < ApplicationController
           data = dataline.split(/,/) # easting,northing,postcode,lat,long
           lat = data[3] 
           lon = data[4]
-          redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
+          redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
           return
         end
       elsif postcode.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d/)
@@ -48,7 +70,7 @@ class GeocoderController < ApplicationController
           data_lon = resp.body.slice(/longt>.*?</)
           lat = data_lat.split(/[<>]/)[1]
           lon = data_lon.split(/[<>]/)[1]
-          redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
+          redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
           return
         end
       elsif postcode.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]) [0-9][ABD-HJLNP-UW-Z]{2})
@@ -59,15 +81,13 @@ class GeocoderController < ApplicationController
             resp = http.get("/geocode?postcode=#{postcode}")
             lat = resp.body.scan(/[4-6][0-9]\.?[0-9]+/)
             lon = resp.body.scan(/[-+][0-9]\.?[0-9]+/)
-            redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
+            redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
             return
           end
         rescue
-          redirect_to "/index.html"
+          redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode"
           #redirect to somewhere else
         end
-        redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
-        #redirect_to "/index.html?error=unknown_postcode_or_zip"
       elsif
         # Some other postcode / zip code
         # Throw it at geonames, and see if they have any luck with it
@@ -76,26 +96,24 @@ class GeocoderController < ApplicationController
           hits = resp.body.slice(/totalResultsCount>.*?</).split(/[<>]/)[1]
           if hits == "0"
             # Geonames doesn't know, it's probably wrong
-            redirect_to "/index.html?error=unknown_postcode_or_zip"
+            redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode_or_zip"
             return
           end
           data_lat = resp.body.slice(/lat>.*?</)
           data_lon = resp.body.slice(/lng>.*?</)
           lat = data_lat.split(/[<>]/)[1]
           lon = data_lon.split(/[<>]/)[1]
-          redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
+          redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
         end
       else
         # Some other postcode / zip file
-        redirect_to "/index.html?error=unknown_postcode_or_zip"
+        redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode_or_zip"
         return
       end
+    rescue
+      #Its likely that an api is down
+      redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "api_down"
     end
-
-    if params[:query][:place_name]  
-      @place_name = params[:query][:place_name]
-      redirect_to :controller => 'geocoder', :action => 'results', :params => {:place_name => @place_name}
-    end 
   end
 
   def results