CSC/ECE 517 Fall 2015/oss E1565 AAJ

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E1565: Refactoring Admin Controller and Course Controller

This page provides a description of the Expertiza based OSS project aimed at refactoring Admin Controller and Course Controller.

In order to run our code visit the link 152.46.16.123:3000 and use the following credentials - username: admin, password: admin.

Introduction to Expertiza

Expertiza is a web application where students can submit and peer-review learning objects (articles, code, web sites, etc). It is used in select courses at NC State and by professors at several other colleges and universities.


Project Description

Part A

Files Involved: admin_controller and views in app/views/admin folder What it does: Defines the changes that can be done on other types of user by super-admin and provides the view accordingly. Those functionalities can be found from UI when super-admin logs in and clicks on "Administration -> Show". Then they can see a list of super-admin, admin and instructors based on the selection. At the bottom of the list there is a feature to add new administrators, but it is broken.

What is wrong with it: The adding new admin functionality is broken and has to be fixed in a clean way. It should have the same view as that of user creation page.

What needs to be done:

  • Remove the text filed for adding new super-admin/admin/instructor and leave only the button on the UI
  • When the button is clicked, redirect it to the new user creation view, and make the role (super-admin/admin/instructor) selected as default.
  • Make sure that new user creation works for super-admin/admin/instructor. Write a test case to test it.

Part B

Files involved: users_controller.

What’s wrong with it: In expertiza there is an institution table. But it does not associate the users with institutions.

What needs to be done:

  • Do a db migration, create a “institution_id” column in users table.
  • Add a drop down to the view for creating users. The new account creator can select the institution from that drop down.
  • Write test cases and make sure that the institutions can be selected and saved.

Changes Made

Part A

admin_controller.rb

Modified the methods add_administrator and create_administrator

Before Refactoring After Refactoring 
  def add_administrator
    @user = User.new
  end
  def create_administrator
    save_administrator
  end

  def add_administrator
    @user = User.new
    redirect_to 'users#new'
  end
  def create_administrator
    save_administrator
    redirect_to "users#new"
  end
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