Week 6 part 1

Gemfile

@@ -14,6 +14,8 @@ gem 'sidekiq'
 gem 'unicorn'
 gem 'sentry-raven'
 gem 'paratrooper'
+gem 'carrierwave'
+gem 'mini_magick'
 
 group :development do
   gem 'sqlite3'

Gemfile.lock

@@ -48,6 +48,11 @@ GEM
     capybara-email (2.4.0)
       capybara (~> 2.4)
       mail
+    carrierwave (0.10.0)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
+      json (>= 1.7)
+      mime-types (>= 1.16)
     celluloid (0.15.2)
       timers (~> 1.1.0)
     coderay (1.1.0)
@@ -99,6 +104,8 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25.1)
+    mini_magick (3.8.0)
+      subexec (~> 0.2.1)
     mini_portile (0.6.0)
     minitest (5.3.4)
     multi_json (1.10.1)
@@ -192,6 +199,7 @@ GEM
       activesupport (>= 3.0)
       sprockets (~> 2.8)
     sqlite3 (1.3.8)
+    subexec (0.2.3)
     thin (1.5.0)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
@@ -227,6 +235,7 @@ DEPENDENCIES
   bootstrap_form
   capybara
   capybara-email
+  carrierwave
   coffee-rails
   database_cleaner (= 1.2.0)
   fabrication
@@ -235,6 +244,7 @@ DEPENDENCIES
   jquery-rails
   launchy
   letter_opener
+  mini_magick
   paratrooper
   pg
   pry

app/controllers/admin/videos_controller.rb

@@ -0,0 +1,32 @@
+class Admin::VideosController < ApplicationController
+  before_filter :require_user
+  before_filter :require_admin
+
+  def new
+    @video = Video.new
+  end
+
+  def create
+    @video = Video.new(video_params)
+    if @video.save
+      flash[:success] = "You have successfully added the video '#{@video.title}'."
+      redirect_to new_admin_video_path
+    else
+      flash[:danger] = "You cannot add this video. Please check the errors."
+      render :new
+    end
+  end
+
+  private
+
+  def video_params
+    params.require(:video).permit!
+  end
+
+  def require_admin
+    if !current_user.admin?
+      flash[:danger] = "You are not authorized to do that."
+      redirect_to home_path
+    end
+  end
+end

app/models/video.rb

@@ -1,6 +1,11 @@
 class Video < ActiveRecord::Base
   belongs_to :category
   has_many :reviews, -> { order "created_at DESC" }
+  has_many :queue_items
+
+  mount_uploader :large_cover, LargeCoverUploader
+  mount_uploader :small_cover, SmallCoverUploader
+
   validates_presence_of :title, :description
 
   def self.search_by_title(search_term)

app/uploaders/large_cover_uploader.rb

@@ -0,0 +1,4 @@
+class LargeCoverUploader < CarrierWave::Uploader::Base
+  include CarrierWave::MiniMagick
+  process :resize_to_fill => [665, 375]
+end

app/uploaders/small_cover_uploader.rb

@@ -0,0 +1,4 @@
+class SmallCoverUploader < CarrierWave::Uploader::Base
+  include CarrierWave::MiniMagick
+  process :resize_to_fill => [166, 236]
+end

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

@@ -0,0 +1,22 @@
+%section.admin_add_video
+  .container
+    .row
+      .col-md-10.col-md-offset-1
+        = bootstrap_form_for [:admin, @video], html: { class: "form-horizontal" } do |f|
+          %ul.nav.nav-tabs
+            %li
+              %a(href="/ui/admin_views_payments") Recent Payments
+            %li.active
+              %a(href="") Add a New Video
+          %br
+          %fieldset
+            = f.text_field :title, class: "span3"
+            = f.select :category_id, options_for_select(Category.all.map {|category| [category.name, category.id]})
+            = f.text_area :description, rows: 8, class: "span6"
+            = f.file_field :large_cover, class: "btn btn-file"
+            = f.file_field :small_cover, class: "btn btn-file"
+            = f.text_field :video_url, class: "span3", label: "Video URL"
+
+          %fieldset.actions.form-group
+            .col-sm-6.col-md-offset-3
+              %input(type="submit" value="Add Video" class="btn btn-default")

app/views/videos/show.html.haml

@@ -9,6 +9,7 @@
           %span Rating: 4.5/5.0
         %p= @video.description
         .actions
+          %a.btn.btn-primary(href="#{@video.video_url}") Watch Now
           = link_to "+ My Queue", queue_items_path(video_id: @video.id), method: :post, class: 'btn' unless current_user.queued_video?(@video)
 %section.reviews.container
   .row

config/initializers/carrier_wave.rb

@@ -0,0 +1,14 @@
+CarrierWave.configure do |config|
+  if Rails.env.staging? || Rails.env.production?
+    config.storage = :fog
+    config.fog_credentials = {
+      :provider               => 'AWS',                        # required
+      :aws_access_key_id      => 'xxx',                        # required
+      :aws_secret_access_key  => 'yyy',                        # required
+    }
+    config.fog_directory  = 'name_of_directory'                     # required
+  else
+    config.storage = :file
+    config.enable_processing = Rails.env.development?
+  end
+end

config/routes.rb

@@ -8,6 +8,10 @@
     resources :reviews, only: [:create]
   end
 
+  namespace :admin do
+    resources :videos, only: [:new, :create]
+  end
+
   resources :users, only: [:show]
   get 'people', to: 'relationships#index'
   resources :relationships, only: [:create, :destroy]

db/migrate/20140729012152_add_admin_to_users.rb

@@ -0,0 +1,5 @@
+class AddAdminToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :admin, :boolean
+  end
+end

db/migrate/20140804182605_add_large_cover_and_small_cover_to_videos.rb

@@ -0,0 +1,8 @@
+class AddLargeCoverAndSmallCoverToVideos < ActiveRecord::Migration
+  def change
+    add_column :videos, :large_cover, :string
+    add_column :videos, :small_cover, :string
+    remove_column :videos, :large_cover_url
+    remove_column :videos, :small_cover_url
+  end
+end

db/migrate/20140804220527_add_video_url_to_videos.rb

@@ -0,0 +1,5 @@
+class AddVideoUrlToVideos < ActiveRecord::Migration
+  def change
+    add_column :videos, :video_url, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140717130842) do
+ActiveRecord::Schema.define(version: 20140804220527) do
 
   create_table "categories", force: true do |t|
     t.string   "name"
@@ -60,16 +60,18 @@
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string   "token"
+    t.boolean  "admin"
   end
 
   create_table "videos", force: true do |t|
     t.string   "title"
-    t.string   "small_cover_url"
-    t.string   "large_cover_url"
     t.text     "description"
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer  "category_id"
+    t.string   "large_cover"
+    t.string   "small_cover"
+    t.string   "video_url"
   end
 
 end

spec/controllers/admin/videos_controller_spec.rb

@@ -0,0 +1,85 @@
+require 'spec_helper'
+
+describe Admin::VideosController do
+  describe "GET new" do
+    it_behaves_like "requires sign in" do
+      let(:action) { get :new }
+    end
+    it_behaves_like "requires admin" do
+      let(:action) { get :new }
+    end
+    it "sets the @video to a new video" do
+      set_current_admin
+      get :new
+      expect(assigns(:video)).to be_instance_of Video
+      expect(assigns(:video)).to be_new_record
+    end
+    it "redirects the regular user to the home path" do
+      set_current_user
+      get :new
+      expect(response).to redirect_to home_path
+    end
+    it "sets the flash error message for regular user" do
+      set_current_user
+      get :new
+      expect(flash[:danger]).to be_present
+    end
+  end
+
+  describe "POST create" do
+    it_behaves_like "requires sign in" do
+      let(:action) { post :create }
+    end
+    it_behaves_like "requires admin" do
+      let(:action) { post :create }
+    end
+
+    context "with valid input" do
+      it "redirects to the add new video page" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { title: "Monk", category_id: category.id, description: "good show!" }
+        expect(response).to redirect_to new_admin_video_path
+      end
+      it "creates a video" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { title: "Monk", category_id: category.id, description: "good show!" }
+        expect(category.videos.count).to eq(1)
+      end
+      it "sets the flash success message" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { title: "Monk", category_id: category.id, description: "good show!" }
+        expect(flash[:success]).to be_present
+      end
+    end
+
+    context "with invalid input" do
+      it "does not create a video" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { category_id: category.id, description: "good show!" }
+        expect(category.videos.count).to eq(0)
+      end
+      it "renders the :new template" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { category_id: category.id, description: "good show!" }
+        expect(response).to render_template :new
+      end
+      it "sets the @video variable" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { category_id: category.id, description: "good show!" }
+        expect(assigns(:video)).to be_present
+      end
+      it "sets the flash danger message" do
+        set_current_admin
+        category = Fabricate(:category)
+        post :create, video: { category_id: category.id, description: "good show!" }
+        expect(flash[:danger]).to be_present
+      end
+    end
+  end
+end

spec/fabricators/user_fabricator.rb

@@ -2,4 +2,9 @@
   email { Faker::Internet.email }
   password 'password'
   full_name { Faker::Name.name }
+  admin false
+end
+
+Fabricator(:admin, from: :user) do
+  admin true
 end

spec/features/admin_adds_new_video_spec.rb

@@ -0,0 +1,25 @@
+require 'spec_helper'
+
+feature 'Admin adds new video' do
+  scenario 'Admin successfully adds a new video' do
+    admin = Fabricate(:admin)
+    drama = Fabricate(:category, name: "Dramas")
+    sign_in(admin)
+    visit new_admin_video_path
+
+    fill_in "Title", with: "Monk"
+    select "Dramas", from: "Category"
+    fill_in "Description", with: "SF detective"
+    attach_file "Large cover", "spec/support/uploads/monk_large.jpg"
+    attach_file "Small cover", "spec/support/uploads/monk.jpg"
+    fill_in "Video URL", with: "http://www.example.com/my_video.mp4"
+    click_button "Add Video"
+
+    sign_out
+    sign_in
+
+    visit video_path(Video.first)
+    expect(page).to have_selector("img[src='/uploads/monk_large.jpg']")
+    expect(page).to have_selector("a[href='http://www.example.com/my_video.mp4']")
+  end
+end

spec/support/macros.rb

@@ -2,6 +2,10 @@ def set_current_user(user=nil)
   session[:user_id] = (user || Fabricate(:user)).id
 end
 
+def set_current_admin(admin=nil)
+  session[:user_id] = (admin || Fabricate(:admin)).id
+end
+
 def sign_in(a_user=nil)
   user = a_user || Fabricate(:user)
   visit sign_in_path

spec/support/shared_examples.rb

@@ -6,6 +6,15 @@
   end
 end
 
+shared_examples "requires admin" do
+  it "redirects to the sign in page" do
+    session[:user_id] = Fabricate(:user)
+    action
+    expect(response).to redirect_to home_path
+  end
+end
+
+
 shared_examples "tokenable" do
   it "generates a random token when the user is created" do
     alice = Fabricate(:user)