Add admin panel

Add a basic admin panel to add/remove queues and instructor for a pre-existing
coruse. Closes #30.

app/assets/javascripts/course_instructors.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/courses.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/course_instructors.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the CourseInstructors controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/courses.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Courses controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/course_instructors_controller.rb

@@ -0,0 +1,40 @@
+class CourseInstructorsController < ApplicationController
+  before_action :set_course, :authorize_current_user
+
+  def new
+    @course_instructor = CourseInstructor.new
+  end
+
+  def create
+    @course_instructor = CourseInstructor.new
+    @course_instructor.course = @course
+    @course_instructor.instructor = User.find_or_create_by({
+      email: params[:instructor_email]
+    })
+
+    if @course_instructor.save
+      redirect_to @course
+    else
+      render :new
+    end
+  end
+
+  def destroy
+    @course_instructor = CourseInstructor.find(params[:id])
+
+    @course_instructor.destroy!
+
+    redirect_to @course
+  end
+
+  private
+  def set_course
+    @course = Course.find(params[:course_id])
+  end
+
+  def authorize_current_user
+    unless @course.instructors.include?(current_user)
+      redirect_to root_url
+    end
+  end
+end

app/controllers/course_queues_controller.rb

@@ -1,11 +1,48 @@
 class CourseQueuesController < ApplicationController
-  before_action :set_course_queue
+  ADMIN_ACTIONS = %w(new create destroy edit update)
+
+  before_action :set_course_queue, except: [:new, :create]
+  before_action :set_course, only: ADMIN_ACTIONS
+  before_action :authorize_current_user, only: ADMIN_ACTIONS
 
   # GET /course_queues/1
   # GET /course_queues/1.json
   def show
   end
 
+  def new
+    @course_queue = CourseQueue.new
+  end
+
+  def create
+    @course_queue = CourseQueue.new(course_queue_params)
+
+    @course_queue.course = @course
+
+    if @course_queue.save
+      redirect_to @course
+    else
+      render :new
+    end
+  end
+
+  def edit
+  end
+
+  def update
+    if @course_queue.update(course_queue_params)
+      redirect_to @course
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @course_queue.destroy!
+
+    redirect_to @course
+  end
+
   # GET /course_queues/1/outstanding_requests.json
   def outstanding_requests
     @outstanding_requests = @course_queue.outstanding_requests
@@ -20,4 +57,18 @@ def online_instructors
   def set_course_queue
     @course_queue = CourseQueue.find(params[:id])
   end
+
+  def set_course
+    @course = Course.find(params[:course_id])
+  end
+
+  def course_queue_params
+    params.require(:course_queue).permit(:name, :location, :description)
+  end
+
+  def authorize_current_user
+    unless @course.instructors.include?(current_user)
+      redirect_to root_url
+    end
+  end
 end

app/controllers/courses_controller.rb

@@ -0,0 +1,17 @@
+class CoursesController < ApplicationController
+  before_action :set_course, :authorize_current_user
+
+  def show
+  end
+
+  private
+  def set_course
+    @course = Course.find(params[:id])
+  end
+
+  def authorize_current_user
+    unless @course.instructors.include?(current_user)
+      redirect_to root_url
+    end
+  end
+end

app/helpers/course_instructors_helper.rb

@@ -0,0 +1,2 @@
+module CourseInstructorsHelper
+end

app/helpers/courses_helper.rb

@@ -0,0 +1,2 @@
+module CoursesHelper
+end

app/models/course.rb

@@ -1,5 +1,6 @@
 class Course < ApplicationRecord
   has_many :course_queues
+  has_many :course_instructors
   has_many :instructors, through: :course_instructors
 
 

app/views/course_instructors/new.html.erb

@@ -0,0 +1,15 @@
+<div class="six wide column">
+    <h1 class="ui header">
+        Add Instructor for <%= @course.name %>
+    </h1>
+
+    <%= form_for [@course, @course_instructor], html: {class: 'ui form'} do |f| %>
+        <div class="field">
+            <label>Email</label>
+            <input type="email" name="instructor_email" placeholder="instructor@umich.edu">
+        </div>
+
+        <%= f.submit 'Add', class: 'ui button' %>
+    <% end %>
+
+</div>

app/views/course_queues/_admin_panel.html.erb

@@ -2,5 +2,6 @@
 <h4 class="ui header">Instructor Queue Management</h4>
 
     <div data-cable-action="queue_pop" class="ui huge bottom padded fluid primary button">Queue Pop</div>
-    <div data-cable-action="instructor_status_toggle" class="ui large fluid button"></div>
+    <div data-cable-action="instructor_status_toggle" class="ui large fluid bottom padded button"></div>
+    <a href="<%= url_for @course_queue.course %>" class="ui large fluid button">Admin Panel</a>
 </script>

app/views/course_queues/_form.html.erb

@@ -0,0 +1,18 @@
+<%= form_for [@course, @course_queue], html: {class: 'ui form'} do |f| %>
+    <div class="field">
+        <%= f.label :name %>
+        <%= f.text_field :name %>
+    </div>
+
+    <div class="field">
+        <%= f.label :location %>
+        <%= f.text_field :location %>
+    </div>
+
+    <div class="field">
+        <%= f.label :description %>
+        <%= f.text_field :description %>
+    </div>
+
+    <%= f.submit 'Submit', class: 'ui button' %>
+<% end %>

app/views/course_queues/edit.html.erb

@@ -0,0 +1,7 @@
+<div class="six wide column">
+    <h1 class="ui header">
+        Edit Queue for <%= @course.name %>
+    </h1>
+
+    <%= render 'form' %>
+</div>

app/views/course_queues/new.html.erb

@@ -0,0 +1,7 @@
+<div class="six wide column">
+    <h1 class="ui header">
+        Add Queue for <%= @course.name %>
+    </h1>
+
+    <%= render 'form' %>
+</div>

app/views/courses/_instructors.html.erb

@@ -0,0 +1,25 @@
+<table class="ui table">
+    <thead>
+        <tr><th style="width: 50%">Name</th>
+            <th style="width: 50%">Email</th>
+            <th>
+                <a href="<%= new_course_course_instructor_url(@course) %>" class="ui primary fluid labeled icon button">
+                    <i class="plus icon"></i>
+                    Add
+                </a>
+            </th>
+    </tr></thead>
+    <tbody>
+        <% @course.course_instructors.each do |course_instructor| %>
+            <tr>
+                <td><%= course_instructor.instructor.name %></td>
+                <td><%= course_instructor.instructor.email %></td>
+                <td>
+                    <div class="ui fluid basic buttons">
+                        <%= link_to 'Delete', course_course_instructor_url(@course, course_instructor),  method: :delete, data: { confirm: 'Are you sure?' }, class: 'ui button' %>
+                    </div>
+                </td>
+            </tr>
+        <% end %>
+    </tbody>
+</table>

app/views/courses/_queues.html.erb

@@ -0,0 +1,26 @@
+<table class="ui table">
+    <thead>
+        <tr><th style="width: 50%">Course Queue Name</th>
+            <th style="width: 50%">Location</th>
+            <th>
+                <a href="<%= new_course_course_queue_url(@course) %>" class="ui primary labeled icon fluid button">
+                    <i class="plus icon"></i>
+                    New
+                </a>
+            </th>
+    </tr></thead>
+    <tbody>
+        <% @course.course_queues.each do |queue| %>
+            <tr>
+                <td><%= queue.name %></td>
+                <td><%= queue.location %></td>
+                <td>
+                    <div class="ui fluid basic buttons">
+                        <%= link_to 'Edit', edit_course_course_queue_url(@course, queue), class: 'ui button' %>
+                        <%= link_to 'Delete', course_course_queue_url(@course, queue),  method: :delete, data: { confirm: 'Are you sure?' }, class: 'ui button' %>
+                    </div>
+                </td>
+            </tr>
+        <% end %>
+    </tbody>
+</table>

app/views/courses/show.html.erb

@@ -0,0 +1,12 @@
+<div class="ten wide column">
+    <h1 class="ui header">
+        <%= @course.name %>
+        Course Administration
+    </h1>
+
+    <h2>Course Queues</h2>
+    <%= render 'queues' %>
+
+    <h2>Course Instructors</h2>
+    <%= render 'instructors' %>
+</div>

config/routes.rb

@@ -4,6 +4,12 @@
 
   root 'landing#index'
 
+
+  resources :courses do
+    resources :course_queues
+    resources :course_instructors
+  end
+
   resources :course_queues, only: [:show] do
     member do
       get 'outstanding_requests'

test/controllers/course_instructors_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CourseInstructorsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/controllers/courses_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CoursesControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end