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HasManyFriends - Steve Ehrenberg - http://dnite.org =================================================== has_many_friends is a plugin based off of the friendship_plugin that can be found here (http://svn.webwideconsulting.com/svn/friendship_plugin/). This version of the plugin adds some features I wanted as well as eliminates the need for 2 friendship rows created in the table. The goal is to make it relatively seamless for anyone to create a fully functional friends system for their application. Setup ===== To use this plugin, you will first need to install it. This can be done quite simply with the following command. script/plugin install http://svn.dnite.org/has_many_friends We'll need to generate the model and migration for your friendship table. script/generate hmf_friendship_model Friendship rake db:migrate If you will be running tests, you may need to prepare your test database again. rake db:test:prepare You should be just about set! All you need to do is add the following method to your User model. class User < ActiveRecord::Base has_many_friends # the rest of your user model ... # ... end Usage ===== After the plugin is installed. All of these super cool methods will be attached to any user. These methods are the actual associations. They return what you'd expect. user.friends_for_me user.friends_by_me user.pending_friends_for_me user.pending_friends_by_me Again, these will return what you would expect them to return. user.friends user.pending_friends user.pending_or_accepted_friends ## The following 3 methods were changed as of revision 8. They have been listed here ## as these methods, but for some reason, i never changed their names in the actual ## plugin file. If your using a pre-8 version and things broke for you, use the new ## method names in your application. Sorry for the inconvenience. Returns true if user is friends with friend. user.is_friends_with? friend user.is_pending_friends_with? friend user.is_friends_or_pending_with? friend Creates, deletes or updates friendship requests. user.request_friendship_with friend user.delete_friendship_with friend user.accept_friendship_with friend Bypass the request and just make a friend. user.become_friends_with! friend Returns the friendship object (good for looking up extra attributes about the friendship, like when it was accepted and such. user.friendship friend Copyright (c) 2007 Steve Ehrenberg, released under the MIT license