gistfile1.txt

# works
        # friends, followers
        has n, :friended_users
        has n, :friends, :through => :friended_users, :class_name => "User", :child_key => [:user_id], :mutable => true
        has n, :followers, :through => :friended_users, :class_name => "User", :remote_name => :user, :child_key => [:friend_id], :mutable => true

# does not work
        has n, :block_users
        has n, :you_blockeds, :through => :block_users, :class_name => "User", :child_key => [:user_id], :mutable => true
        has n, :blocked_yous, :through => :block_users, :class_name => "User", :child_key => [:blocked_id], :mutable => true

class FriendedUser
        include DataMapper::Resource

        property :user_id, Integer, :key => true
        property :friend_id, Integer, :key => true
        property :friend_time, DateTime

        belongs_to :user, :child_key => [:user_id]
        belongs_to :friend, :class_name => "User", :child_key => [:friend_id]

end
class BlockUser
        include DataMapper::Resource
        property :user_id, Integer, :key => true
        property :blocked_id, Integer, :key => true
        property :blocked_time, DateTime

        belongs_to :user, :child_key => [:user_id]
        belongs_to :blocked, :class_name => "User", :child_key => [:blocked_id]
end