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hook up Paperclip with Neo4j.rb

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README.md

Neo4jrb::Paperclip - Making Paperclip play nice with Neo4j.rb

This gem is based on mongoid-paperclip 0.0.4.

As the title suggests: Neo4jrb::Paperclip makes it easy to hook up Paperclip with Neo4j.rb.

This is actually easier and faster to set up than when using Paperclip and the ActiveRecord ORM. This example assumes you are using Ruby on Rails 3 and Bundler. However it doesn't require either.

Setting it up

Make sure you are using JRuby. Simply define the neo4jrb-paperclip gem inside your Gemfile. Additionally, you can define the aws-s3 gem if you want to upload your files to Amazon S3. You do not need to explicitly define the paperclip gem itself, since this is handled by neo4jrb-paperclip.

Rails.root/Gemfile - Just define the following:

gem "neo4jrb-paperclip", :require => "neo4jrb_paperclip"
gem "aws-s3",            :require => "aws/s3"

Next let's assume we have a User model and we want to allow our users to upload an avatar.

Rails.root/app/models/user.rb - include the Neo4jrb::Paperclip module and invoke the provided class method

class User < Neo4j::Rails::Model
  include Neo4jrb::Paperclip

  has_neo4jrb_attached_file :avatar
end

That's it

That's all you have to do. Users can now upload avatars. Unlike ActiveRecord, Neo4j doesn't use migrations normally, so we don't need to define the Paperclip columns in a separate file. Invoking the has_neo4jrb_attached_file method will automatically define the necessary :avatar fields for you in the background.

Known issues

File size returns 0 - paperclip issue

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