Add exam admin CRUD

Author: Jordan Byron

app/controllers/admin/exams_controller.rb

@@ -0,0 +1,45 @@
+class Admin::ExamsController < Admin::Base
+  before_filter :find_exam, :only => [:show, :update, :edit, :destroy]
+  
+  def index
+    @exams = Exam.all
+  end
+  
+  def new
+    @exam = Exam.new
+  end
+  
+  def create
+    @exam = Exam.new(params[:exam])
+    
+    if @exam.save
+      redirect_to admin_exams_path
+    else
+      render :action => :new
+    end
+  end
+  
+  def edit
+    
+  end
+  
+  def update
+    if @exam.update_attributes(params[:exam])
+      redirect_to admin_exams_path
+    else
+      render :action => :edit
+    end
+  end
+  
+  def destroy
+    @exam.destroy
+    
+    redirect_to admin_exams_path
+  end
+  
+  private
+  
+  def find_exam
+    @exam = Exam.find(params[:id])
+  end
+end

app/helpers/admin/exams_helper.rb

@@ -0,0 +1,2 @@
+module Admin::ExamsHelper
+end

app/models/assignment.rb

@@ -1,5 +1,6 @@
 class Assignment < ActiveRecord::Base
-  has_many :submissions, :class_name => "Assignment::Submission"
+  has_many :submissions, :class_name => "Assignment::Submission", 
+                         :dependent  => :delete_all
 
   belongs_to :course
 

app/models/course.rb

@@ -2,7 +2,7 @@ class Course < ActiveRecord::Base
   has_many :course_memberships, :dependent => :destroy
   has_many :students, :through => :course_memberships
 
-  has_many :course_instructor_associations
+  has_many :course_instructor_associations, :dependent  => :delete_all
   has_many :instructors, :through => :course_instructor_associations
 
   has_many :assignments

app/models/exam.rb

@@ -1,2 +1,5 @@
 class Exam < ActiveRecord::Base
+  has_many :exam_submissions, :dependent => :delete_all
+  
+  accepts_nested_attributes_for :exam_submissions
 end

app/views/admin/_menu.html.haml

@@ -5,6 +5,7 @@
   = link_to "Home", root_path
   = link_to "Users", admin_users_path
   = link_to "Courses", admin_courses_path
+  = link_to "Exams", admin_exams_path
   |
   = link_to "Submission Statuses", admin_submission_statuses_path
   = render :partial => "users/user_bar"

app/views/admin/courses/new.html.haml

@@ -1,7 +1,6 @@
 -title 'New Course'
 
-
 %h1 New Course
 
-- form_for @course, :url => admin_courses_path do |f|
+- nested_form_for @course, :url => admin_courses_path do |f|
   = render :partial => "form", :object => f

app/views/admin/exams/_form.html.haml

@@ -0,0 +1,9 @@
+- #TODO: Add start / end time and Hash URL
+
+%p
+  = f.label :name
+  %br
+  = f.text_field :name
+%p
+  = f.submit
+  = link_to 'Cancel', admin_exams_path

app/views/admin/exams/edit.html.haml

@@ -0,0 +1,10 @@
+%h1 Edit Exam
+
+= form_for @exam, :url => admin_exam_path(@exam) do |f|
+  = render :partial => "form", :locals => {:f => f}
+  
+  %table.edit
+    = f.fields_for :exam_submissions do |e|
+      %tr
+        %td= e.object.user.name
+        %td= e.select :submission_status_id, SubmissionStatus.all.map {|s| [s.name, s.id]}

app/views/admin/exams/index.html.haml

@@ -0,0 +1,14 @@
+%h1 Exams
+
+= button_to "Create Exam", new_admin_exam_path, :method => :get
+
+%table.edit
+  %thead
+    %tr
+      %th Name
+      %th 
+  %tbody
+    - @exams.each do |exam|
+      %tr{:class => cycle('even','odd')}
+        %td= link_to exam.name, edit_admin_exam_path(exam)
+        %td= link_to("Destroy", admin_exam_path(exam), :confirm => "Are you sure you wish to delete this exam?", :method => 'DELETE')