grip

GridFS attachments for MongoMapper

installation

The grip gem is hosted on gemcutter.org:

• gem install grip

Usage

class Foo
  include MongoMapper::Document
  include Grip

  has_grid_attachment :image, :versions => {:thumb => {:width=>50,:height=>50}}
  has_grid_attachment :pdf

  # Hook for resizing or whatever gets you there.
  # any specified options are passed back to you
  # at this point. 
  # Just return the file when you're done.
  def process_image opts
    puts "processing"
    opts[:file]
  end
end

image = File.open('foo.png', 'r')
pdf = File.open('foo.pdf', 'r')
foo = Foo.create(:image => image, :pdf => pdf)

foo.image # contents read from gridfs for serving from rack/metal/controller
foo.image_name # foo.jpg
foo.image_content_type # image/png
foo.image_size # File.size of the file
foo.image_path # path in grid fs foo/image/:id where :id is foo.id