thanks Wael :)
it make the half of work.
the probleme now is when i use the gems handles_sortable_columns i
can't sort the table with the count column cause the count field dont
figure in the user table :S
i didn't find a solution !!
On May 25, 2:34 pm, Wael Nasreddine <wael.nasredd...@gmail.com> wrote:
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> Hello,
>
> In the controller, get the user in question, for example
>
> @user = User.find(params[:id])
>
> and then do
>
> count = @user.contacts.count
>
> Wael
>
> On May 25, 2011, at 2:23 PM, Adel Mediouni wrote:
>
>
>
>
>
>
>
>
>
> > hi
> > maybe its a simple question, but i can't understand how to resolve it.
> > i have a model user and contact.
> > so a user can have many contact and contact belong to one user.
> > so for now i want count the number of contact of the user.
> > what i did is like this:
> > count = ActiveRecord::Base.connection.select_one("select
> > count(person_id) amis from contacts where user_id =" + user.id.to_s)
>
> > but i dont like this solutions cause the number of freind i will use
> > it in a sortable table, and if this variable dont belong to the user
> > params, i cant use it to sort the table :/
> > thanks.
>
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