Look up polling station by postcode

app.rb

@@ -72,6 +72,15 @@ get '/' do
       # Postcode is valid and in LB Sutton
       @ward = Ward.get(@p.ward_id)
       flash[:notice] = "Postcode <strong>#{@postcode}</strong> is in #{@ward.name} ward"
+
+      if @p.polling_station
+        @ps_postcode = Postcode.get(@p.polling_station.postcode)
+        flash[:polling_station] = "Your polling station is \
+          <a href=\"http://www.openstreetmap.org/?mlat=%s&mlon=%s&zoom=16\">%s, %s, %s</a>" \
+          % [ @ps_postcode.lat, @ps_postcode.lng, @p.polling_station.name, \
+            @p.polling_station.address, @p.polling_station.postcode]
+      end
+
       redirect "/bodies/sutton-council/wards/#{@ward.slug}"
     else
       flash.now[:error] = "<strong>#{@postcode}</strong> is not a postcode in Sutton"

models.rb

@@ -17,6 +17,21 @@ class Poll
   belongs_to :district
 end
 
+class PollingStation
+  include DataMapper::Resource
+
+  property :id,           String, :key => true, :length => 2 # e.g. "KA"
+  property :name,         String, :length => 255#, :required => true
+  property :address,      String, :length => 255#, :required => true
+  property :postcode,     String#, :required => true
+  property :easting,      Float,  :required => true
+  property :northing,     Float,  :required => true
+  property :lat,          Float,  :required => true
+  property :lng,          Float,  :required => true
+
+  has n, :postcodes
+end  
+
 class Postcode
   include DataMapper::Resource
 
@@ -36,8 +51,10 @@ class Postcode
   property :lng,                          Float,    :required => true
   property :ward_id,                      Integer,  :required => true # Sutton Council
   property :constituency_id,              Integer,  :required => false # UK Parliament
+  property :polling_station_id,           String,   :length => 2
 
   belongs_to :district, :child_key => [:ward_id]
+  belongs_to :polling_station
 
   def self.finder(postcode)
     postcode = postcode.strip.upcase

public/style.css

@@ -289,3 +289,9 @@ tr
   float: left;
   margin: 0 15px 15px 0;
 }
+
+#polling_station {
+  background-color: beige;
+  border: 1px solid green;
+  padding: 20px 20px;
+}

views/district.haml

@@ -1,3 +1,13 @@
+
+- if flash[:polling_station]
+  %p
+  #polling_station
+    %h2 Where to vote
+    %p
+      = flash[:polling_station]
+    %p Polling stations are open from 7AM to 10PM on Thursday 22 May 2014.
+    %p You don't need your poll card to vote. Just tell the staff your name and address.
+
 - @page_title = "#{@district.name} #{@district.body.district_name}, #{@district.body.name}"
 
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