I don't know of any, sorry.
In the past I've written two simple instance methods and two
named_scopes in my models.
named_scope :next, lambda {|post, user|
{ :conditions => ["created_at > ? and user_id = ?", post.created_at,
user.id], :order => "created_at ASC" }
}
named_scope :prev, lambda {|post, user|
{ :conditions => ["created_at < ? and user_id = ?", post.created_at,
user.id], :order => "created_at DESC" }
}
def next(user)
Post.next(self, user).first
end
def prev(user)
Post.prev(self, user).first
end
On Nov 20, 6:50 pm, [EMAIL PROTECTED] wrote:
> Anyone know of a plugin or gem that would create methods such as next
> and previous on a model to traverse among siblings? For example,
> @post.next and @post.prev.
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