Switch from Dragonfly to Cloudinary

.env.example

@@ -1,3 +1,7 @@
 export AWS_KEY={value}
 export AWS_SECRET={value}
 export AWS_BUCKET={value}
+
+export CLOUDINARY_CLOUD_NAME={value}
+export CLOUDINARY_API_KEY={value}
+export CLOUDINARY_API_SECRET={value}

Gemfile

@@ -53,6 +53,7 @@ group :production do
 end
 
 gem 'administrate'
+gem 'cloudinary', github: 'cloudinary/cloudinary_gem'
 gem 'dragonfly'
 gem 'dragonfly-s3_data_store'
 gem 'exception_notification', :git => 'git://github.com/rails/exception_notification', :require => 'exception_notifier'

Gemfile.lock

@@ -1,3 +1,11 @@
+GIT
+  remote: git://github.com/cloudinary/cloudinary_gem.git
+  revision: 5ebbb4ee2cb23d59c39e889a27577782c9f013d3
+  specs:
+    cloudinary (1.1.0)
+      aws_cf_signer
+      rest-client
+
 GIT
   remote: git://github.com/rails/exception_notification
   revision: 192a49a02d63d28b23ed41cebadfedd490929cf1
@@ -67,6 +75,7 @@ GEM
       jmespath (~> 1.0)
     aws-sdk-resources (2.1.29)
       aws-sdk-core (= 2.1.29)
+    aws_cf_signer (0.1.3)
     bcrypt (3.1.10)
     better_errors (2.1.1)
       coderay (>= 1.0.0)
@@ -102,6 +111,8 @@ GEM
     debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     docile (1.1.5)
+    domain_name (0.5.25)
+      unf (>= 0.0.5, < 1.0.0)
     dotenv (2.0.2)
     dotenv-rails (2.0.2)
       dotenv (= 2.0.2)
@@ -145,6 +156,8 @@ GEM
       activesupport (>= 4.1.0)
     haml (4.0.7)
       tilt
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
     i18n (0.7.0)
     inline_svg (0.6.1)
       activesupport (>= 4.0.4)
@@ -186,6 +199,7 @@ GEM
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (3.0.1)
+    netrc (0.10.3)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     normalize-rails (3.0.3)
@@ -242,6 +256,10 @@ GEM
     rainbow (2.0.0)
     rake (10.4.2)
     redcarpet (3.3.3)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 3.0)
+      netrc (~> 0.7)
     rspec-core (3.3.2)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.1)
@@ -334,6 +352,7 @@ DEPENDENCIES
   binding_of_caller
   bourbon
   capybara-screenshot
+  cloudinary!
   coffee-rails
   database_cleaner
   dotenv-rails

app/helpers/photos_helper.rb

@@ -1,5 +1,5 @@
 module PhotosHelper
   def link_to_photo(photo)
-    link_to '', photo.image.url, rel: 'photos', class: 'fancy', data: { id: photo.id }
+    link_to '', "#{photo.image.url}.jpg", rel: 'photos', class: 'fancy', data: { id: photo.id }
   end
 end

app/models/photo.rb

@@ -1,10 +1,8 @@
+require 'cloudinary_image'
+
 class Photo < ActiveRecord::Base
   has_and_belongs_to_many :categories
 
-  dragonfly_accessor :image
-
-  validates :image, presence: true
-
   paginates_per 11
 
   scope :enabled, -> { where(enabled: true) }
@@ -19,6 +17,15 @@ class Photo < ActiveRecord::Base
     title
   end
 
+  def image=(image_path)
+    @image = CloudinaryImage.create(image_path)
+    self.image_cloudinary_id = @image.id
+  end
+
+  def image
+    @image ||= CloudinaryImage.new(image_cloudinary_id)
+  end
+
   def log_view
     if views.nil?
       self.views = 1

app/views/fields/image/_form.html.erb

@@ -1,3 +1,3 @@
 <%= f.label field.attribute %>
-<%= image_tag field.data.thumb('32x32#').url, alt: nil if field.data.present? %>
+<%= image_tag field.data.url(:admin_form), alt: nil if field.data.present? %>
 <%= f.file_field field.attribute %>

app/views/fields/image/_index.html.erb

@@ -1 +1 @@
-<%= image_tag field.data.thumb('50x50#').url, alt: nil %>
+<%= image_tag field.data.url(:admin_index), alt: nil if field.data.present? %>

app/views/fields/image/_show.html.erb

@@ -1 +1 @@
-<%= image_tag field.data.thumb('400x400').url %>
+<%= image_tag field.data.url(:admin_show) if field.data.present? %>

app/views/shared/_photo_styles.html.erb

@@ -1,18 +1,22 @@
 <style type="text/css">
   <% photos.each do |photo| %>
+    <% if photo.image.present? %>
       #<%= photo.name.parameterize %>.sg-<%= size %> {
-      background: url(<%= photo.image.send(:"size#{size}").url %>);
+        background: url(<%= photo.image.url(:"size#{size}") %>);
       }
     <% end %>
+  <% end %>
   @media
   only screen and (-webkit-min-device-pixel-ratio: 1.5),
   only screen and (min--moz-device-pixel-ratio: 1.5),
   only screen and (min-device-pixel-ratio: 1.5) {
     <% photos.each do |photo| %>
+      <% if photo.image.present? %>
         #<%= photo.name.parameterize %>.sg-<%= size %> {
-        background: url(<%= photo.image.send(:"size#{size}x2").url %>);
+          background: url(<%= photo.image.url(:"size#{size}x2") %>);
           background-size: 100%;
         }
       <% end %>
+    <% end %>
   }
 </style>

config/cloudinary.yml

@@ -0,0 +1,19 @@
+---
+development:
+  cloud_name: <%= ENV['CLOUDINARY_CLOUD_NAME'] %>
+  api_key: <%= ENV['CLOUDINARY_API_KEY'] %>
+  api_secret: <%= ENV['CLOUDINARY_API_SECRET'] %>
+  enhance_image_tag: true
+  static_image_support: false
+production:
+  cloud_name: <%= ENV['CLOUDINARY_CLOUD_NAME'] %>
+  api_key: <%= ENV['CLOUDINARY_API_KEY'] %>
+  api_secret: <%= ENV['CLOUDINARY_API_SECRET'] %>
+  enhance_image_tag: true
+  static_image_support: true
+test:
+  cloud_name: <%= ENV['CLOUDINARY_CLOUD_NAME'] %>
+  api_key: <%= ENV['CLOUDINARY_API_KEY'] %>
+  api_secret: <%= ENV['CLOUDINARY_API_SECRET'] %>
+  enhance_image_tag: true
+  static_image_support: false

db/migrate/20151028124718_add_image_cloudinary_id_to_photos.rb

@@ -0,0 +1,5 @@
+class AddImageCloudinaryIdToPhotos < ActiveRecord::Migration
+  def change
+    add_column :photos, :image_cloudinary_id, :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: 20151023165644) do
+ActiveRecord::Schema.define(version: 20151028124718) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -55,6 +55,7 @@ ActiveRecord::Schema.define(version: 20151023165644) do
     t.integer  "views",                           default: 0
     t.string   "image_uid",           limit: 255
     t.string   "image_name",          limit: 255
+    t.string   "image_cloudinary_id"
   end
 
   create_table "sessions", force: :cascade do |t|

lib/cloudinary_image.rb

@@ -0,0 +1,41 @@
+class CloudinaryImage
+  FORMATS = {
+    admin_form:  { width: 32,  height: 32,  crop: :fill },
+    admin_index: { width: 50,  height: 50,  crop: :fill },
+    admin_show:  { width: 400, height: 400, crop: :fit },
+
+    size2:  { width: 56,  height: 56,  crop: :fill },
+    size3:  { width: 84,  height: 84,  crop: :fill },
+    size5:  { width: 140, height: 140, crop: :fill },
+    size8:  { width: 224, height: 224, crop: :fill },
+    size11: { width: 308, height: 308, crop: :fill },
+    size17: { width: 476, height: 476, crop: :fill },
+
+    size2x2:  { width: 112, height: 112, crop: :fill },
+    size3x2:  { width: 168, height: 168, crop: :fill },
+    size5x2:  { width: 280, height: 280, crop: :fill },
+    size8x2:  { width: 448, height: 448, crop: :fill },
+    size11x2: { width: 616, height: 616, crop: :fill },
+    size17x2: { width: 952, height: 952, crop: :fill }
+  }
+
+  attr_reader :id
+
+  def initialize(id)
+    @id = id
+  end
+
+  def self.create(upload)
+    id = upload.original_filename.split('.').first
+    Cloudinary::Uploader.upload(upload, public_id: id)
+    new(id)
+  end
+
+  def url(format = nil)
+    if FORMATS[format].present?
+      Cloudinary::Utils.cloudinary_url(id, FORMATS[format].dup)
+    else
+      Cloudinary::Utils.cloudinary_url(id)
+    end
+  end
+end