cambios que luego quitare :o

app/models/exercise.rb

@@ -3,5 +3,6 @@ class Exercise < ActiveRecord::Base
   belongs_to :course 
   belongs_to :user
   has_many :source_codes, :class_name => "SourceCode", :foreign_key => :exercise_id
+  has_many :similarities
 
 end

app/models/similarity.rb

@@ -6,10 +6,12 @@ class Similarity < ActiveRecord::Base
   belongs_to :source_code1, :class_name=> "SourceCode", :foreign_key => :source_code1_id
   belongs_to :source_code2, :class_name=> "SourceCode", :foreign_key => :source_code2_id
   has_many :algorithms
+  belongs_to :exercise
 
 
   def self.create_from_response(response)
     similarities = []
+    json = ActiveSupport::JSON
     case response
       when Net::HTTPSuccess, Net::HTTPRedirection
         json.decode(response.body).each do |data_hash|
@@ -20,7 +22,7 @@ def self.create_from_response(response)
               similarity = Similarity.new
               similarity.source_code1_id = similarity1_id
               similarity.source_code2_id = similarity2_id
-              similarity.algorithm.build(:type=>key, :percentage=>percentage)
+              similarity.algorithms.build(:type=>key.to_i, :percentage=>percentage)
               #similarity.similarity = percentage
               #similarity.save
 
@@ -29,6 +31,9 @@ def self.create_from_response(response)
           end
         end
         Similarity.import similarities, :validate => false
+        similarities.each do |similarity|
+          Algorithm.import similarity.algorithms
+        end
       else
         response.error!
     end

app/views/source_codes/compare.html.erb

@@ -2,15 +2,19 @@
     <tr>
         <th>File 1</th>
         <th>File2</th>
-        <th>Algoritmo usado</th>
+        <th>Algoritmo 1</th>
+        <th>Algoritmo 2</th>
+        <th>ALgoritmo 3</th>
         <th>Porcentaje</th>
     </tr>
     <% @similarities.each do |sim|%>
     <tr>
         <td><%= sim.source_code1.student_id%></td>
         <td><%= sim.source_code2.student_id%></td>
-        <td><%= sim.used_algorithm%></td>
-        <td><%= sim.similarity%></td>
+        <td><%= sim.algorithms.first.percentage %></td>
+        <td><%= sim.algorithms.first.percentage %></td>
+        <td><%= sim.algorithms.first.percentage %></td>
+        <td><%= sim.algorithms.select("AVG(percentage)").first.percentage %></td>
     </tr>
     <%end%>
 </table>

db/migrate/20111106010434_add_exercise_to_similarities.rb

@@ -0,0 +1,9 @@
+class AddExerciseToSimilarities < ActiveRecord::Migration
+  def self.up
+    add_column :similarities, :exercise_id, :integer
+  end
+
+  def self.down
+    remove_column :similarities, :exercise
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20111031011254) do
+ActiveRecord::Schema.define(:version => 20111106010434) do
 
   create_table "algorithms", :force => true do |t|
     t.integer  "type"
@@ -43,6 +43,7 @@
     t.integer  "source_code2_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.integer  "exercise_id"
   end
 
   create_table "source_codes", :force => true do |t|