Add controller and vies of subjects and update the his repository for the same...

Add controller and vies of subjects and update the his repository for the same standard of learning object and institution

app/controllers/subjects_controller.rb

+class SubjectsController < ApplicationController
+
+  # GET /subjects
+  # GET /subjects.json
+  def index
+    @subjects = subject_repository.all
+  end
+
+  # GET /subjects/1
+  # GET /subjects/1.json
+  def show
+    @subject = subject_repository.find("##{params[:id]}")
+  end
+
+
+
+
+  private
+
+  def subject_repository
+    repository.for(:subject)
+  end
+
+  # Never trust parameters from the scary internet, only allow the white list through.
+  def subject_params
+    params[:subject_object]
+  end
+
+end

app/repositories/orient_db/subject_repository.rb

 module OrientDb
   class SubjectRepository < Base
+    include OrientDb::Methods::EdgeMethods
 
-    def find_all
-      connection.query "SELECT FROM Subject", limit: -1
+    # Example:
+    #   list = repository.for(:subjects).all
+    #   list.each do |subject|
+    #     subject_object.inspect <LearningObject model>
+    #   end
+    def all
+      hash = connection.query "SELECT FROM Subject"
+      subjects = build_subjects(hash)
     end
 
-    def find_by_id(id)
-      connection.query "SELECT FROM Subject where @rid = '#{id}'"
+    # Usage:
+    #   subject = repository.for(:subjects).get_by_dspace_id 123
+    #
+    def find(id)
+      result = connection.query "SELECT FROM #{id}"
+      build_subject result.first
     end
 
-    def destroy_data(id)
-        return @connection.command "DELETE VERTEX Subject where @rid = '#{id}'"
-      rescue
-        return nil
+    def create(name, url)
+      connection.command sprintf("INSERT INTO Subject (name) VALUES ('%s')", name)
     end
 
-    def get_objects(id)
-      connection.query "select expand(in('IsAbout')) from #{id}"
+    # Usage:
+    #   repository.for(:subjects).destroy subject
+    #
+    def destroy(subject)
+      connection.command sprintf("DELETE VERTEX %s", subject.id)
     end
 
-    def update(id,operation,atributte,new)
-      puts "update #{id} #{operation} #{atributte} = #{new}"
-      return @connection.command "update #{id} #{operation} #{atributte} = #{new}"
+    private
+
+    def build_subject(args={})
+      return Subject.new(
+        :id => args["@rid"],
+        :name => args["name"],
+      )
+    end
+
+    def build_subjects(hash=[])
+      subjects = []
+      hash.each do |h|
+        subjects << build_subject(h)
+      end
+      return subjects
     end
+
   end
 end

app/views/subjects/index.html.erb

+<p id="notice"><%= notice %></p>
+
+<h1>Listing Subject</h1>
+
+
+<%for subject in @subjects%>
+    <%= render 'shared/application/object_vertical', object: subject %>
+<%end%>

app/views/subjects/show.html.erb

+<h1><%= @subject.name %></h1>

config/routes.rb

@@ -25,7 +25,8 @@ Rails.application.routes.draw do
   post '/learning_objects/:id/like' => 'learning_objects#like', as: 'like_learning_object'
 
   resources :institutions
-
+  get 'subjects/',    to: 'subjects#index'
+  get 'subjects/:id', to: 'subjects#show'
 
 
   get '/faq' => 'welcome#faq'