Hi, you can do the following: unless appointment.client.email.blank? # do something end
Next, you may want to do additional because some objects in the chain could be nil. Good luck, -Conrad Sent from my iPhone On Oct 12, 2010, at 10:53 AM, "Leonel *.*" <[email protected]> wrote: > (MOVED FROM RUBY FORUM) > > How can I create an if statement to check if a variable contains a > value? If it does contain a value, I want to send an email. I'm doing > the following but it doesn't work... > > -------------------------------------------------------- > EXTRACT > -------------------------------------------------------- > def create > @appointment = Appointment.new(params[:appointment]) > > respond_to do |format| > if @appointment.save > > # send email only if a client email is set > if defined?(appointment.client.email) > Notifier.appointment_booked(@appointment).deliver > end > -------------------------------------------------------- > > > Alex Stahl wrote in post #949576: >> Looks like you're checking whether or not the variable itself exists, as >> opposed to if it contains a value. >> >> Try this instead: >> >> if appointment.client.email >> #do stuff & things >> end >> >> In this instance, if 'email == nil', the statement will evaluate to >> false. > > appointment belongs to client. so the appointments table has a client_id > column. and the clients table has an email column. > > I think the variable its supposed to be set and empty. I tried your > suggestion... > def create > @appointment = Appointment.new(params[:appointment]) > > respond_to do |format| > if @appointment.save > > # send email only if a client email is set > if @appointment.client.email > Notifier.appointment_booked(@appointment).deliver > end > > But I see the logs and it seems that it tries to send an email even if > there is no email for the client. > > -- > Posted via http://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > 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. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. 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.
