automatically identify ad type

app/logical/alias_and_implication_importer.rb

@@ -55,7 +55,7 @@ private
           tag_implication = TagImplication.where("antecedent_name = ? and consequent_name = ?", token[1], token[2]).first
           raise "Implication for #{token[1]} not found" if tag_implication.nil?
           tag_implication.destroy
-      
+        
         else
           raise "Unknown token: #{token[0]}"
         end

app/models/advertisement.rb

@@ -50,6 +50,12 @@ class Advertisement < ActiveRecord::Base
       image_size = ImageSize.new(File.open(image_path, "rb"))
       self.width = image_size.get_width
       self.height = image_size.get_height
+      
+      if width > height
+        self.ad_type = "horizontal"
+      else
+        self.ad_type = "vertical"
+      end
     end
   end
   

app/views/advertisements/_form.html.erb

@@ -1,7 +1,6 @@
 <%= simple_form_for @advertisement, :html => {:multipart => true} do |f| %>
   <%= f.input :file, :as => :file %>
-  <%= f.input :referral_url %>
+  <%= f.input :referral_url, :as => :string %>
-  <%= f.input :ad_type, :collection => %w(vertical horizontal) %>
   <%= f.input :status, :collection => %w(active inactive) %>
-  <%= f.button :submit %>
+  <%= f.button :submit, "Submit" %>
 <% end %>

app/views/advertisements/_secondary_links.html.erb

@@ -1,4 +1,4 @@
-<% content_for(:secondary_nav_links) do %>
+<% content_for(:secondary_links) do %>
   <menu id="secondary-links">
     <li><%= link_to "Listing", advertisements_path %></li>
     <li><%= link_to "New", new_advertisement_path %></li>