Add video

.gitignore

@@ -17,3 +17,5 @@
 
 database.yml
 .env
+public/uploads
+.DS_Store

Gemfile

@@ -12,6 +12,9 @@ gem "slim"
 gem "bootstrap-sass",  "~> 3.3.1.0"
 gem "omniauth-github", "~> 1.1.2"
 gem "trailblazer", :github => "apotonick/trailblazer"
+gem "cancancan",       "~> 1.9.2"
+gem "simple_form",     "~> 3.1.0"
+gem "carrierwave"
 
 group :development, :test do
   gem "rspec-rails",  "~> 3.1.0"

Gemfile.lock

@@ -70,12 +70,18 @@ GEM
     byebug (2.7.0)
       columnize (~> 0.3)
       debugger-linecache (~> 1.2)
+    cancancan (1.9.2)
     capybara (2.4.4)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    carrierwave (0.10.0)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
+      json (>= 1.7)
+      mime-types (>= 1.16)
     codeclimate-test-reporter (0.4.3)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.0)
@@ -233,6 +239,9 @@ GEM
       sass (~> 3.2.2)
       sprockets (~> 2.8, < 3.0)
       sprockets-rails (~> 2.0)
+    simple_form (3.1.0)
+      actionpack (~> 4.0)
+      activemodel (~> 4.0)
     simplecov (0.9.1)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -281,7 +290,9 @@ DEPENDENCIES
   better_errors
   binding_of_caller (>= 0.7.2)
   bootstrap-sass (~> 3.3.1.0)
+  cancancan (~> 1.9.2)
   capybara (~> 2.4.4)
+  carrierwave
   codeclimate-test-reporter
   coffee-rails (~> 4.0.0)
   database_cleaner
@@ -299,6 +310,7 @@ DEPENDENCIES
   rails (= 4.1.8)
   rspec-rails (~> 3.1.0)
   sass-rails (~> 4.0.3)
+  simple_form (~> 3.1.0)
   slim
   spring
   spring-commands-rspec

app/concepts/video/create.rb

@@ -0,0 +1,34 @@
+class Video < ActiveRecord::Base
+  class Create < Trailblazer::Operation
+    include CRUD
+    include AuthorizedOperation
+
+    model Video, :create
+    authorize :manage, Video
+
+    def video
+      model
+    end
+
+    contract do
+      model Video
+
+      property :title,        :validates => { :presence => true }
+      property :presenter_id, :validates => { :presence => true }
+      property :original_url, :validates => { :presence => true }
+      property :host
+      property :embed_url,    :validates => { :presence => true }
+      property :status
+      property :thumbnail
+      property :originally_posted_on, :validates => { :presence => true }
+    end
+
+    def authorised_process(params)
+      validate(params[:video]) do |f|
+        f.save
+      end
+    end
+  end
+end
+
+

app/controllers/application_controller.rb

@@ -1,7 +1,13 @@
 class ApplicationController < ActionController::Base
+  include Trailblazer::Operation::Controller
+
   protect_from_forgery :with => :exception
   helper_method :current_user
 
+  rescue_from CanCan::AccessDenied do |exception|
+    redirect_to root_url, :alert => "Access denied. You do not have permission to do that."
+  end
+
   private
 
   def current_user

app/controllers/sessions_controller.rb

@@ -1,6 +1,4 @@
 class SessionsController < ApplicationController
-  include Trailblazer::Operation::Controller
-
   def create
     run Authentication::LoginWithOmniAuth do |op|
       login(op.user)

app/controllers/videos_controller.rb

@@ -0,0 +1,19 @@
+class VideosController < ApplicationController
+  def new
+    form Video::Create
+  end
+
+  def create
+    run Video::Create do |op|
+      return redirect_to root_path, :notice => "Successfully added video!"
+    end
+
+    render :new
+  end
+
+  def process_params!(params)
+    params.merge!(
+      :current_user => current_user
+    )
+  end
+end

app/helpers/application_helper.rb

@@ -1,2 +1,13 @@
 module ApplicationHelper
+  def presenters
+    Presenter.order(:name).map { |p| [p.name, p.id] }
+  end
+
+  def hosts
+    Video.hosts.keys.map { |key| [key.titleize, key] }
+  end
+
+  def video_statuses
+    Video.statuses.keys.map { |key| [key.titleize, key] }
+  end
 end

app/models/ability.rb

@@ -0,0 +1,11 @@
+class Ability
+  include CanCan::Ability
+
+  def initialize(user)
+    return unless user.authenticated?
+
+    if user.admin?
+      can :manage, :all
+    end
+  end
+end

app/models/presenter.rb

@@ -0,0 +1,2 @@
+class Presenter < ActiveRecord::Base
+end

app/models/video.rb

@@ -0,0 +1,6 @@
+class Video < ActiveRecord::Base
+  mount_uploader :thumbnail, ThumbnailUploader
+
+  enum :host   => %i(you_tube vimeo)
+  enum :status => %i(pending published)
+end

app/uploaders/thumbnail_uploader.rb

@@ -0,0 +1,7 @@
+class ThumbnailUploader < CarrierWave::Uploader::Base
+  storage :file
+
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+end

app/views/layouts/application.html.slim

@@ -7,17 +7,22 @@ html
     = csrf_meta_tags
 
   body
+    nav class="main-menu" role="navigation"
+      .container
+        ul.nav.navbar-nav
+          - if can? :manage, Video
+            li= link_to "Add Video", new_video_path
+
+          - if current_user.authenticated?
+            li Logged in as #{current_user.nickname}
+            li= link_to "Logout", session_path, :method => :delete
+          - else
+            li= link_to "Login with GitHub", "/auth/github"
+
     .container
       .row
         .col-md-12
           = render "flash"
-      .row
-        .col-md-12
-          - if current_user.authenticated?
-            p Logged in as #{current_user.nickname}
-            p= link_to "Logout", session_path, :method => :delete
-          - else
-            p= link_to "Login with GitHub", "/auth/github"
       .row
         .col-md-12
           = yield

app/views/videos/new.html.slim

@@ -0,0 +1,12 @@
+h1 Add Video
+
+= simple_form_for @form do |f|
+  = f.input :title
+  = f.input :presenter_id, :collection => presenters
+  = f.input :originally_posted_on, :label => "Original date"
+  = f.input :original_url
+  = f.input :host, :collection => hosts
+  = f.input :embed_url
+  = f.input :status, :collection => video_statuses
+  = f.input :thumbnail
+  = f.submit "Save"

config/application.rb

@@ -15,6 +15,7 @@
 
 module RubyVideos
   class Application < Rails::Application
+    config.autoload_paths << Rails.root.join("lib")
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration should go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded.