On Thursday, 12 April 2012 15:54:57 UTC-4, Colin Law wrote: > > > > > > > > On Thursday, 12 April 2012 10:54:35 UTC-4, Colin Law wrote:> > >> > >> > @user = User.find_by_user_name(user_name) > >> > if [email protected]_admins.nil? > >> > puts "Am here" > >> > @business_admin = @user.business_admins[0] > >> > end > >> > class User < ActiveRecord::Base > >> > has_many :business_admins > >> > end > >> > > >> > class BusinessAdmin < ActiveRecord::Base > >> > belongs_to :user > >> > end > >> > > >> > Here what i am trying, I am using Mozilla rest-client, basically here > >> > the > >> > user_name found in the User table, But i didn't put that id in the > >> > BusinessAdmin, So what the problem is when i run the code, this if > >> > [email protected]_admins.nil? will return true, because am getting this > >> > "Am > >> > here" > >> > >> >I am not sure what you are saying. If you have user has_many > >> >business_admins then @user.business_admins will never be nil. It may > >> >be an empty array however. Perhaps you should be testing for the > >> >array empty rather than nil. > > > >>Colin > > > > Basically, the BusinessAdmin doesn't have that use_name's id, then why > this > > checking happned? > > >First what relationships have you got between the models (has_many, > >belongs_to or whatever)? > when i check like this i got the solution
> *if [email protected]_admins[0]*.nil? puts "Am here" @business_admin = @user.business_admins[0] end > >As I said last time, if user has_many business_admins then > >@user.business_admins will always (effectively) be an array, which may > >be empty. It will never be nil. > > >By the way, you sent your last email to me instead of to the list. > >Please make sure you reply to the list. > > Colin > > > > > > if [email protected]_admins.nil? > > puts "Am here" > > @business_admin = @user.business_admins[0] > > end > > > > > > Thank you > > vishnu > > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/HrrBCKUKJE4J. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
