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MongoMapper GridFS Attachment gem
Ruby
tag: 0.6.0

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README.rdoc

grip

GridFS attachments for MongoMapper

installation

The grip gem is hosted on gemcutter.org:

gem install miso grip

Usage (See tests for better docs)

class Doc
  include MongoMapper::Document
  include MongoMapper::Grip::HasAttachment

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

end

image = File.open('foo.png', 'r')
@doc = Doc.create(:image => image)

puts @doc.image.name 
=> "image"
puts @doc.image.file_size
=> 100
puts @doc.image.file_name
=> "foo.png"
puts @doc.image.grid_key
=> "docs/<id>/image"

# works on nested variants as well

puts @doc.image.thumb.name 
=> "thumb"
puts @doc.image.thumb.file_size
=> 50
puts @doc.image.thumb.file_name
=> "foo.png"
puts @doc.image.thumb.grid_key
=> "attachments/<id>/thumb"

@doc.image.file # contents read from gridfs for serving from rack/metal/controller
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