grid_attachment

Summary

GridAttachment is a GridFS plugin for MongoDB ORMs. Supports MongoMapper, Mongoid, MongoODM, and Mongomatic.

Support is built in for rack_grid and rack_grid_thumb to generate URLS and thumbnails: http://github.com/dusty/rack_grid http://github.com/dusty/rack_grid_thumb

You can pass in a File or a Hash as received by Sinatra on file uploads.

Installation

gem install grid_attachment

Usage

require 'grid_attachment/mongo_mapper' class Monkey include MongoMapper::Document plugin GridAttachment::MongoMapper

attachment :image, :prefix => :grid

end

require 'grid_attachment/mongo_odm' class Monkey include MongoODM::Document include GridAttachment::MongoODM

attachment :image, :prefix => :grid

end

require 'grid_attachment/mongomatic' class Monkey < Mongomatic::Base include GridAttachment::Mongomatic

attachment :image, :prefix => :grid

end

require 'grid_attachment/mongoid' class Monkey include Mongoid::Document include GridAttachment::Mongoid

attachment :image, :prefix => :grid

end

m = Monkey.new(:name => 'name') m.save

To add an attachment from the filesystem

m.image = File.open('/tmp/me.jpg') m.save

To remove an attachment

m.image = nil m.save

To get the attachment

m.image.read

To get the URL for rack_grid

m.image_url # /grid/4e049e7c69c3b27d53000005/me.jpg

To get the thumbail URL for rack_grid_thumb

m.image_thumb('50x50') # /grid/4e049e7c69c3b27d53000005/me_50x50.jpg

HTML form example

Use the image hash provided in params with Sinatra

post '/monkeys' do m = Monkey.new m.image = params[:image] m.save # Or just Monkey.new(params).save end

Inspired By

• http://github.com/jnunemaker/joint