=== NOTE: From version 0.1.5 and above defaults must be in public folder
=== NOTE: From version 0.2.0 and above the use of path is deprecated

---

{<img src="https://codeclimate.com/github/mattways/rails_uploads.png" />}[https://codeclimate.com/github/mattways/rails_uploads] {<img src="https://travis-ci.org/mattways/rails_uploads.png?branch=master" alt="Build Status" />}[https://travis-ci.org/mattways/rails_uploads] {<img src="https://gemnasium.com/mattways/rails_uploads.png" alt="Dependency Status" />}[https://gemnasium.com/mattways/rails_uploads]

= Rails Uploads

Minimalistic toolkit to handle file and images uploads using ActiveRecord.

= Install

Put this line in your Gemfile:
  gem 'rails_uploads'
  
Then bundle:
  $ bundle

ImageMagick must be install, you can install it with homebrew:
  brew install imagemagick
  
= Usage

Mount the engine at the end of you routes.rb (local storage only):
  mount RailsUploads::Engine => '/' # Will be use to generate on the fly missing image presets

Add the column to your table (just a string):
  create_table :models do |t|
    t.string :attr
  end

If you need a file:
  class Model < ActiveRecord::Base
    attr_accessible :attr
    attached_file :attr, :default => 'file.txt'
  end

If you need a image:
  class Model < ActiveRecord::Base
    attr_accessible :attr
    attached_image :attr, :presets => [:small, :big], :default => 'assets/image.jpg'
  end

Define presets in your application.rb
  config.uploads.presets = {
    :big => { :method => :fit, :width => 1024, :height => 768 }, # Fit will scale the image until it fit in the space without cropping
    :small => { :method => :fill, :width => 120, :height => :120 }, # Fill will scale the image to fill all the space and then crop
    :custom => proc { |image| image.convert :resize => '100x100' } # ImageMagick wrapper to do whatever you want
  }
  config.uploads.default_presets = [:small] # Define the default presets for all models with attached images
  config.uploads.storage = :local # The default it's local, you can use :s3 as well

If you want to use S3 create a s3.yml config file with this generator and complete it:
  rails g uploads:s3:config

The validation works very similar to paperclip:
  class Model < ActiveRecord::Base
    attr_accessible :attr
    attached_file :attr
    validates :attr, :attachment_presence => true, :attachment_size => { :in => 0..4.megabytes }, :attachment_content_type => { :in => ['txt'] }
  end

If you want to translate the errores the keys are:
  errors.messages.attachment_presence
  errors.messages.attachment_size_in # :less_than and :greater_than
  errors.messages.attachment_size_less_than  # :less_than
  errors.messages.attachment_size_greater_than # :greater_than
  errors.messages.attachment_content_type # :types

In your views:
  a{ :href => record.file.url } # To get the file url
  a{ :href => record.image.url } # To get the original image
  a{ :href => record.image.url(:big) } # To get the a thumb

In your forms:
  = f.file_field :attr

= FAQ

== How can I use a cdn with this plugin?

Define a base url in your application.rb:
  config.uploads.base_url = 'http://cdn.example.com'

== How can I automatically create buckets?

Use this rake task after create the s3.yml file:
  rake uploads:s3:buckets:create
  
== How can I clean a preset?

Use this rake task:
  rake uploads:preset:clean MODEL=models PRESETS=first_preset,second_preset

== How can I refresh a preset?

Use this rake task:
  rake uploads:preset:refresh MODEL=models PRESETS=first_preset,second_preset

== How to migrate from versions before 0.1.0?

To migrate from versions before 0.1.0 you need to reorganize uploads with this task after define your presets in your application.rb:
  rake uploads:migrate