Refactor code to use LearningObject Model

Before these changes, the view was using the hash returned by OrientDB directly.

app/controllers/learning_objects_controller.rb

@@ -10,10 +10,10 @@ class LearningObjectsController < ApplicationController
   # GET /learning_objects/1
   # GET /learning_objects/1.json
   def show
-    @object = repository.for(:learning_object).get_by_dspaceid params[:id]
-    unless @object.nil?
-      @like_counts = repository.for(:edge).get_in_edges_count "Likes", @object.first["@rid"]
+    unless @learning_object.nil?
+      @like_counts = repository.for(:edge).get_in_edges_count "Likes", @learning_object.id
     end
+    puts @learning_object.metadata
   end
 
   # GET /learning_objects/new
@@ -68,7 +68,7 @@ class LearningObjectsController < ApplicationController
   private
     # Use callbacks to share common setup or constraints between actions.
     def set_learning_object
-      @learning_object = repository.for(:learning_object).find(params[:id])
+      @learning_object = repository.for(:learning_object).get_by_dspaceid params[:id]
     end
 
     # Never trust parameters from the scary internet, only allow the white list through.

app/models/learning_object.rb

@@ -2,7 +2,16 @@ class LearningObject
 
   include ActiveModel::Model
 
-  attr_accessor :id, :name, :title, :author_id, :description, :date, :exercises,
-                :references, :supplementary_material, :license_name, :license_uri,
-                :files
+  attr_accessor :id, :id_dspace, :title, :description, :date_creation,
+                :thumbnail, :metadata
+
+  def initialize args
+    @id = args[:id] || ''
+    @id_dspace = args[:id_dspace] || ''
+    @title = args[:title] || ''
+    @description = args[:description] || ''
+    @date_creation = args[:date_creation] || ''
+    @thumbnail = args[:thumbnail] || ''
+    @metadata = args[:metadata] || []
+  end
 end

app/repositories/orient_db/learning_object_repository.rb

@@ -8,7 +8,8 @@ module OrientDb
     end
 
     def get_by_dspaceid(id_dspace)
-      OrientDb::Client.instance.query "SELECT FROM LearningObject WHERE id_dspace=#{id_dspace}"
+      result = OrientDb::Client.instance.query "SELECT FROM LearningObject WHERE id_dspace=#{id_dspace}"
+      return initialize_learning_object result.first
     end
 
     def save(object)
@@ -22,6 +23,15 @@ module OrientDb
 
     private
 
+    def initialize_learning_object args
+      LearningObject.new(
+        :id => args["@rid"],
+        :id_dspace => args["id_dspace"],
+        :title => args["dc_title"],
+        :metadata => args
+      )
+    end
+
     def find_by_id(rid)
       @connection.query "SELECT FROM User WHERE @rid=#{rid}"
     end

app/views/learning_objects/show.html.erb

-<h1><%= @object[0]["dc_title"] %></h1>
+<h1><%= @learning_object.title %></h1>
+
 <ul>
-  <li><b>Autor: </b><%= get_object_property(@object,"dc_contributor_author") %></li>
-  <li><b>Tipo: </b><%= get_object_property(@object,"dc_type") %></li>
-  <li><b>Data: </b><%= get_object_property(@object,"dc_date_available") %></li>
-  <li><b>Linguagem: </b><%= get_object_property(@object,"dc_language") %></li>
+  <li><b>Autor: </b><%= @learning_object.metadata["dc_contributor_author"] %></li>
+  <li><b>Tipo: </b><%= @learning_object.metadata["dc_type"] %></li>
+  <li><b>Data: </b><%= @learning_object.metadata["dc_date_available"] %></li>
+  <li><b>Linguagem: </b><%= @learning_object.metadata["dc_language"] %></li>
   <li><b>Categorias: </b></li>
   <ul>
-    <% get_object_property(@object,"dc_subject_category").each do |category| %>
+    <% @learning_object.metadata["dc_subject_category"].each do |category| %>
       <li><%= category %></li>
     <% end %>
   </ul>
@@ -16,7 +17,7 @@
     "Curtir",
     { action: "create_like", controller: "edges" },
     method: :post,
-    params: { from_id: " #14:0", to_id: get_object_property(@object,"@rid") }
+    params: { from_id: "#14:0", to_id: @learning_object.id }
 )%>
 Total Curtir: <%= get_object_property(@like_counts,"COUNT") %>