I want to suggest some thing that i really needed
in my table (users) i have a field called (u_deleted) it help me to flag a user as a deleted user
so that i made a before_delete callback function that marked user as deleted and make a where not to show deleted marked items
the 1st suggestion is to make a button for making any flags

the 2nd one is to make a rule saying (is_unique[user.u_email]) & (not_flaged[user.u_deleted.1]) so that when adding a new user it ignores if he is already when he is marked deleted
thanks
