Add refile support

Gemfile

@@ -47,6 +47,9 @@ group :test do
   gem 'paperclip', ['>= 3.4', '!= 4.3.0']
   gem 'poltergeist', '~> 1.5'
   gem 'rack-cache', require: 'rack/cache'
+  gem 'refile', '>= 0.5.5', require: 'refile/rails'
+  gem 'refile-mini_magick', '>= 0.1.0'
+  gem 'refile-mongoid', '>= 0.0.1'
   gem 'rspec-rails', '>= 2.14'
   gem 'rubocop', '~> 0.31.0'
   gem 'simplecov', '>= 0.9', require: false

gemfiles/rails_4.0.gemfile

@@ -51,6 +51,9 @@ group :test do
   gem "paperclip", [">= 3.4", "!= 4.3.0"]
   gem "poltergeist", "~> 1.5"
   gem "rack-cache", :require => "rack/cache"
+  gem 'refile', '>= 0.5.5', require: 'refile/rails'
+  gem 'refile-mini_magick', '>= 0.1.0'
+  gem 'refile-mongoid', '>= 0.0.1'
   gem "rspec-rails", ">= 2.14"
   gem "rubocop", "~> 0.31.0"
   gem "simplecov", ">= 0.9", :require => false

gemfiles/rails_4.1.gemfile

@@ -50,6 +50,9 @@ group :test do
   gem "paperclip", [">= 3.4", "!= 4.3.0"]
   gem "poltergeist", "~> 1.5"
   gem "rack-cache", :require => "rack/cache"
+  gem 'refile', '>= 0.5.5', require: 'refile/rails'
+  gem 'refile-mini_magick', '>= 0.1.0'
+  gem 'refile-mongoid', '>= 0.0.1'
   gem "rspec-rails", ">= 2.14"
   gem "rubocop", "~> 0.31.0"
   gem "simplecov", ">= 0.9", :require => false

gemfiles/rails_4.2.gemfile

@@ -51,6 +51,9 @@ group :test do
   gem "paperclip", [">= 3.4", "!= 4.3.0"]
   gem "poltergeist", "~> 1.5"
   gem "rack-cache", :require => "rack/cache"
+  gem 'refile', '>= 0.5.5', require: 'refile/rails'
+  gem 'refile-mini_magick', '>= 0.1.0'
+  gem 'refile-mongoid', '>= 0.0.1'
   gem "rspec-rails", ">= 2.14"
   gem "rubocop", "~> 0.31.0"
   gem "simplecov", ">= 0.9", :require => false

lib/rails_admin/config/fields.rb

@@ -82,4 +82,5 @@ def self.register_factory(&block)
 require 'rails_admin/config/fields/factories/paperclip'
 require 'rails_admin/config/fields/factories/dragonfly'
 require 'rails_admin/config/fields/factories/carrierwave'
+require 'rails_admin/config/fields/factories/refile'
 require 'rails_admin/config/fields/factories/association'

lib/rails_admin/config/fields/factories/refile.rb

@@ -0,0 +1,25 @@
+require 'rails_admin/config/fields'
+require 'rails_admin/config/fields/types'
+require 'rails_admin/config/fields/types/file_upload'
+
+RailsAdmin::Config::Fields.register_factory do |parent, properties, fields|
+  extensions = [:id, :filename, :size, :content_type]
+  model = parent.abstract_model.model
+  if (properties.name.to_s =~ /^(.+)_id$/) && defined?(::Refile) && model.ancestors.map(&:to_s).include?("Refile::Attachment(#{attachment_name = Regexp.last_match[1].to_sym})")
+    field = RailsAdmin::Config::Fields::Types.load(:refile).new(parent, attachment_name, properties)
+    children_fields = []
+    extensions.each do |ext|
+      children_column_name = "#{attachment_name}_#{ext}".to_sym
+      next unless child_properties = parent.abstract_model.properties.detect { |p| p.name.to_s == children_column_name.to_s }
+      children_field = fields.detect { |f| f.name == children_column_name } || RailsAdmin::Config::Fields.default_factory.call(parent, child_properties, fields)
+      children_field.hide
+      children_field.filterable(false)
+      children_fields << children_field.name
+    end
+    field.children_fields(children_fields)
+    fields << field
+    true
+  else
+    false
+  end
+end

lib/rails_admin/config/fields/types/all.rb

@@ -9,6 +9,7 @@
 require 'rails_admin/config/fields/types/file_upload'
 require 'rails_admin/config/fields/types/paperclip'
 require 'rails_admin/config/fields/types/carrierwave'
+require 'rails_admin/config/fields/types/refile'
 require 'rails_admin/config/fields/types/float'
 require 'rails_admin/config/fields/types/has_and_belongs_to_many_association'
 require 'rails_admin/config/fields/types/has_many_association'

lib/rails_admin/config/fields/types/refile.rb

@@ -0,0 +1,27 @@
+require 'rails_admin/config/fields/base'
+require 'rails_admin/config/fields/types/file_upload'
+
+module RailsAdmin
+  module Config
+    module Fields
+      module Types
+        class Refile < RailsAdmin::Config::Fields::Types::FileUpload
+          RailsAdmin::Config::Fields::Types.register(self)
+
+          register_instance_option :thumb_method do
+            [:limit, 100, 100]
+          end
+
+          register_instance_option :delete_method do
+            "remove_#{name}"
+          end
+
+          def resource_url(thumb = [])
+            return nil unless value
+            Object.const_get(:Refile).attachment_url(bindings[:object], name, *thumb)
+          end
+        end
+      end
+    end
+  end
+end

spec/controllers/rails_admin/main_controller_spec.rb

@@ -325,6 +325,7 @@ class TeamWithNumberedPlayers < Team
         field :paperclip_asset do
           delete_method :delete_paperclip_asset
         end
+        field :refile_asset
       end
       controller.params = HashWithIndifferentAccess.new(
         'field_test' => {
@@ -336,6 +337,8 @@ class TeamWithNumberedPlayers < Team
           'retained_dragonfly_asset' => 'test',
           'paperclip_asset' => 'test',
           'delete_paperclip_asset' => 'test',
+          'refile_asset' => 'test',
+          'remove_refile_asset' => 'test',
           'should_not_be_here' => 'test',
         },
       )
@@ -351,6 +354,8 @@ class TeamWithNumberedPlayers < Team
           'retained_dragonfly_asset' => 'test',
           'paperclip_asset' => 'test',
           'delete_paperclip_asset' => 'test',
+          'refile_asset' => 'test',
+          'remove_refile_asset' => 'test',
         })
     end
 

spec/dummy_app/Gemfile

@@ -45,6 +45,9 @@ gem 'mini_magick', '>= 3.4'
 gem 'mlb', '>= 0.7'
 gem 'paperclip', '>= 3.4'
 gem 'rails_admin', path: '../../'
+gem 'refile', '>= 0.5.5', require: 'refile/rails'
+gem 'refile-mini_magick', '>= 0.1.0'
+gem 'refile-mongoid', '>= 0.0.1'
 
 # Gems used only for assets and not required
 # in production environments by default.

spec/dummy_app/app/active_record/field_test.rb

@@ -11,4 +11,5 @@ class FieldTest < ActiveRecord::Base
 
   dragonfly_accessor :dragonfly_asset
   mount_uploader :carrierwave_asset, CarrierwaveUploader
+  attachment :refile_asset
 end

spec/dummy_app/app/mongoid/field_test.rb

@@ -3,6 +3,7 @@ class FieldTest
   include Mongoid::Paperclip
   include ActiveModel::ForbiddenAttributesProtection
   extend Dragonfly::Model
+  extend Refile::Mongoid::Attachment
 
   field :name, type: String
   field :title, type: String
@@ -50,6 +51,10 @@ class FieldTest
   field :dragonfly_asset_uid
   dragonfly_accessor :dragonfly_asset
   mount_uploader :carrierwave_asset, CarrierwaveUploader
+  field :refile_asset_filename
+  field :refile_asset_size
+  field :refile_asset_content_type
+  attachment :refile_asset
 
   validates :short_text, length: {maximum: 255}
 end

spec/dummy_app/db/migrate/20150815102450_add_refile_to_field_tests.rb

@@ -0,0 +1,8 @@
+class AddRefileToFieldTests < ActiveRecord::Migration
+  def change
+    add_column :field_tests, :refile_asset_id, :string
+    add_column :field_tests, :refile_asset_filename, :string
+    add_column :field_tests, :refile_asset_size, :string
+    add_column :field_tests, :refile_asset_content_type, :string
+  end
+end

spec/rails_admin/config/fields/base_spec.rb

@@ -91,6 +91,12 @@ class CommentReversed < Tableless
         expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :carrierwave_asset }.hidden?).to be_falsey
       end
     end
+
+    context 'of a Refile installation' do
+      it 'is a _id field' do
+        expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :refile_asset }.children_fields).to eq([:refile_asset_id, :refile_asset_filename, :refile_asset_size, :refile_asset_content_type])
+      end
+    end
   end
 
   describe '#form_default_value' do
@@ -257,6 +263,10 @@ class CommentReversed < Tableless
       it 'of carrierwave should find the underlying column on the base table' do
         expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :carrierwave_asset }.searchable_columns.collect { |c| c[:column] }).to eq(['field_tests.carrierwave_asset'])
       end
+
+      it 'of refile should find the underlying column on the base table' do
+        expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :refile_asset }.searchable_columns.collect { |c| c[:column] }).to eq(['field_tests.refile_asset_id'])
+      end
     end
   end
 
@@ -288,6 +298,11 @@ class CommentReversed < Tableless
         expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :carrierwave_asset }.searchable).to eq(:carrierwave_asset)
         expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :carrierwave_asset }.sortable).to eq(:carrierwave_asset)
       end
+
+      it 'of refile should target the first children field' do
+        expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :refile_asset }.searchable).to eq(:refile_asset_id)
+        expect(RailsAdmin.config(FieldTest).fields.detect { |f| f.name == :refile_asset }.sortable).to eq(:refile_asset_id)
+      end
     end
   end
 

spec/rails_admin/config/fields/types/file_upload_spec.rb

@@ -12,11 +12,13 @@
           field :paperclip_asset do
             delete_method :delete_paperclip_asset
           end
+          field :refile_asset
         end
       end
       expect(RailsAdmin.config(FieldTest).field(:carrierwave_asset).allowed_methods.collect(&:to_s)).to eq %w(carrierwave_asset remove_carrierwave_asset carrierwave_asset_cache)
       expect(RailsAdmin.config(FieldTest).field(:dragonfly_asset).allowed_methods.collect(&:to_s)).to eq %w(dragonfly_asset remove_dragonfly_asset retained_dragonfly_asset)
       expect(RailsAdmin.config(FieldTest).field(:paperclip_asset).allowed_methods.collect(&:to_s)).to eq %w(paperclip_asset delete_paperclip_asset)
+      expect(RailsAdmin.config(FieldTest).field(:refile_asset).allowed_methods.collect(&:to_s)).to eq %w(refile_asset remove_refile_asset)
     end
   end