Look up postcodes to find the user's ward

app.rb

@@ -2,8 +2,11 @@ require 'rubygems'
 require 'sinatra'
 require 'haml'
 require './models'
+require 'rack-flash'
 
 set :root, File.dirname(__FILE__)
+enable :sessions
+use Rack::Flash
 
 class String
   def pluralize(num)
@@ -62,24 +65,29 @@ helpers do
 end
 
 get '/' do
-#   if params[:postcode]
-#     @postcode = params[:postcode].strip.upcase
-# 
-#     unless result = Postcode.finder(@postcode)
-#       # Invalid postcode
-#       redirect '/error'
-#     end
-#   
-#     # Postcode valid but not in LB Sutton
-#     if result.district_code != "00BF"
-#       redirect '/aliens'
-#     end
-#     
-#     # Postcode in LB Sutton
-#     @ward = Ward.first( :ons_id => result.ward_code )
-#     redirect "/wards/#{@ward.slug}/postcode/#{@postcode}"
-#   end
+  if params[:postcode]
+    @postcode = params[:postcode].strip.upcase
+
+    if @p = Postcode.get(@postcode)
+      # Postcode is valid and in LB Sutton
+      @ward = Ward.get(@p.ward_id)
+      flash[:notice] = "Postcode <strong>#{@postcode}</strong> is in #{@ward.name} ward"
+      redirect "/bodies/sutton-council/wards/#{@ward.slug}"
+    else
+      flash.now[:error] = "<strong>#{@postcode}</strong> is not a postcode in Sutton"
+    end
+  end
   
+  # Display a random postcode as default search term
+  @random_pc = repository(:default).adapter.select("
+    SELECT postcode
+    FROM postcodes
+    ORDER BY RANDOM()
+    LIMIT 1
+  ")
+
+  @default_pc = @random_pc[0]
+
   @future_elections = Election.future
   @past_elections = Election.past
   haml :index

public/style.css

@@ -180,6 +180,17 @@ tr
   border: 0;
 }
 
+#lookup {
+  background-color: beige;
+  padding: 10px 25px;
+}
+
+#error {
+  background-color: red;
+  color: white;
+  padding: 10px 20px;
+}
+
 /* Wardmap */
 
 .wardmap tr, .wardmap td.blank

views/index.haml

@@ -1,5 +1,13 @@
 %h1 Sutton Elections
 
+#lookup
+  %h2
+    Vote for your local councillors in Sutton on 22 May 2014
+  %form{ :method => 'get', :action => '/' }
+    %label{ :for => "postcode" } My postcode is 
+    %input{ :type => 'text', :name => 'postcode', :value => @default_pc, :size => 8, :maxlength => 8 }
+    %input{ :type => 'submit', :value => "Find my candidates" }
+
 - if @future_elections.size > 0
 
   %h2 Forthcoming elections
@@ -88,26 +96,4 @@
       %td.blank
       %td.blank
 
--#
-  %h1
-    Vote for your MP and
-    %br
-    councillors in Sutton
-  
-  %p
-    On 6 May 2010 you can vote to 
-    %strong choose your local MP
-    and help to decide the next government of the country.
-  
-  %p
-    You can also
-    %strong elect your local councillors 
-    and help to decide who runs Sutton Council.
-  
-  %p Who you can vote for depends on where you live. You can find your local candidates and get more information on how the elections work here.
-  
-  %form{ :method => 'get', :action => '/' }
-    %label{ :for => "postcode" } My postcode is 
-    %input{ :type => 'text', :name => 'postcode', :value => 'SM1 1EA', :size => 8, :maxlength => 8 }
-    %input{ :type => 'submit', :value => "Find it" }
-     
+