On 5 April 2011 19:27, Michael Hanna <taomaili...@gmail.com> wrote:
> Do you know of a quick and dirty example? I understand the concept
> you're describing, but I don't know where I can find an example of the
OK, in your Todo model, create a named scope
named_scope :search, lambda { |s|
options = { :order => :title }
options[:conditions] = [ "upper(title) like :search_string", {
:search_string => "%#{s.strip.upcase}%" } ] unless s.blank?
options
}
Then in your controller's index action
def index
@todos = Todo.search(params[:search])
end
Since params is a Hash, it will return nil if it does not contain a key called
:search, so the named_scope won't set any conditions and just return
your Todos sorted alphabetically by title.
You can quickly test if it works by appending a search param to the URL,
eg http://localhost:3000/todos?search=code
BTW, my code may have errors as I just quickly wrote that up without
proper testing. I hope this gives you a good idea of how it works.
Regards,
Franz
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