postcode search using police maps api

app/controllers/application_controller.rb

@@ -2,6 +2,8 @@
 # Likewise, all the methods added will be available for all controllers.
 require 'uri'
 require 'morph'
+require 'hpricot'
+require 'rest_client'
 
 class ApplicationController < ActionController::Base
   helper :all # include all helpers, all the time
@@ -21,24 +23,35 @@ def home
 
   def search
     postcode = params[:postcode]
-    url = "http://policeapi.rkh.co.uk/api/geocode-crime-area?key=rewiredcrime&q="+postcode
-    url = URI.encode(url)
-    response = RestClient.get url
-    xml = response.to_s
-    data = Hash.from_xml(xml)
-    m = Morph.from_hash data
-    area_id = m.response.areas.areas[1].area_id
-
-    url = "http://policeapi.rkh.co.uk/api/crime-area?key=rewiredcrime&force=metropolitan&area="+area_id
-    url = URI.encode(url)
-    response = RestClient.get url
-    xml = response.to_s
-    data = Hash.from_xml(xml)
-    m = Morph.from_hash data
-    name = m.response.name
+    url = "http://maps.met.police.uk/php/lookup.php?pcode="+postcode
+    point = morph_request(url).centre_points.first
 
-    group = PoliceGroup.find_by_name(name)
+    url = "http://maps.met.police.uk/php/lookup.php?minlat=#{point.lat}&minlng=#{point.lng}&maxlat=#{point.lat}&maxlng=#{point.lng}&level=4&CTID=8"
+    area_code = morph_request(url).areas.first.area_code
+
+    url = "http://maps.met.police.uk/php/dataview.php?area=#{area_code}&ct=8"
+    html = get_request(url)
+    doc = Hpricot html
+    borough = doc.at('ul.bread-crumb/li[3]/a/text()').to_s
+
+    group = PoliceGroup.find_by_name(borough)
 
-    redirect_to :controller => 'police_group', :action => 'show', :id => group.id
+    # redirect_to :controller => 'police_group', :action => 'show', :id => group.id
+    redirect_to group
+  end
+
+  private
+
+  def get_request url
+    url = URI.encode(url)
+    RestClient.get(url)
   end
+
+  def morph_request url
+    response = get_request url
+    json = response.to_s
+    hash = eval(json.gsub("':","' => ").sub("'type'","'request_type'"))
+    Morph.from_hash(hash)
+  end
+
 end

app/controllers/police_groups_controller.rb

@@ -6,7 +6,7 @@ class PoliceGroupsController < ResourceController::Base
     def ensure_current_url
       begin
         group = PoliceGroup.find(params[:id])
-        redirect_to group, :status => :moved_permanently if group.has_better_id?
+        redirect_to(group, :status => :moved_permanently) if group.has_better_id?
       rescue
         render_not_found
       end

app/models/police_group.rb

@@ -1,6 +1,6 @@
 class PoliceGroup < ActiveRecord::Base
 
-  has_friendly_id :name, :use_slug => true, :strip_diacritics => true
+  has_friendly_id :name, :use_slug => true #, :strip_diacritics => true
 
   def rank
     groups = PoliceGroup.all.sort_by(&:grand_total)

app/views/application/home.html.erb

@@ -1,4 +1,4 @@
-<form id="Login" title="Met Complaints" class="panel" selected="true" action="/police_groups" method="post" redirect="true">
+<form id="Search" title="Met Complaints" class="panel" selected="true" action="/search" method="post" redirect="true">
   <fieldset>
     <div class="row">
       <label>Enter Postcode</label>

app/views/police_groups/show.html.erb

@@ -15,6 +15,7 @@
 level public complaints Dec 2008 to Nov 2009,
 <br />BSMI Report</p>
 
+<p><a href="">Link to <%=h @police_group.name %>'s Police Consultative Group</a></p>
 <!--
 <p>
   <b>Discriminatory behaviour:</b>

config/routes.rb

@@ -1,10 +1,10 @@
 ActionController::Routing::Routes.draw do |map|
-  map.resources :police_groups
+  map.resources :police_groups, :only => :show
 
   # The priority is based upon order of creation: first created -> highest priority.
 
   # Sample of regular route:
-  #   map.connect 'products/:id', :controller => 'catalog', :action => 'view'
+  map.connect 'search', :controller => 'application', :action => 'search'
   # Keep in mind you can assign values other than :controller and :action
 
   # Sample of named route:
@@ -40,6 +40,6 @@
   # Install the default routes as the lowest priority.
   # Note: These default routes make all actions in every controller accessible via GET requests. You should
   # consider removing or commenting them out if you're using named routes and resources.
-  map.connect ':controller/:action/:id'
-  map.connect ':controller/:action/:id.:format'
+  # map.connect ':controller/:action/:id'
+  # map.connect ':controller/:action/:id.:format'
 end