zousu / copy_carrierwave_file

Copy Carrierwave files between records （add storage Qiniu）

CopyCarrierwaveFile

Simple gem for copying CarrierWave files between resources. It's solving issues with local and remote storage discussed here

Installation

Add this line to your application's Gemfile:

gem 'copy_carrierwave_file'

And then execute:

$ bundle

Usage

You can use service class directly:

original_resource = User.last
new_resource      = User.new

CopyCarrierwaveFile::CopyFileService.new(original_resource, new_resource, :avatar).set_file
  # :avatar represents mount point (field)

new_resource.save

or you can include CopyCarrierwaveFile module and call copy_carrierwave_file :

class Document
  include CopyCarrierwaveFile  
  mount_uplader :content_file, MyUploader

  def duplicate_file(original)
    copy_carrierwave_file(original, self, :content_file)
    self.save!
  end
end

document = Document.new
document.duplicate_file(Document.last) 

Functionality is the same

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request