On Tuesday, March 27, 2018 at 11:44:54 AM UTC-4, Walter Lee Davis wrote:
>
>
> > On Mar 27, 2018, at 9:20 AM, fugee ohu <fuge...@gmail.com <javascript:>> 
> wrote: 
> > 
> > Actually the first thing is see when I visit that link is the use of 
> validate without the s 
>
> The validate method is used along with a custom validator method. The 
> validates method is "built in" and uses a DSL to specify how you want the 
> validations to work. 
>
> validate :has_a_bow_on_top? 
>
> private 
>
> def has_a_bow_on_top? 
>   unless bow&.on_top? 
>     errors[:bow].add "must be on top" 
>     false 
>   end 
> end 
>
> The built-in validates method is configured like this: 
>
> validates :bow, presence: true 
>
> This is a very basic example, there are lots more things you can do with 
> it. For all of our sakes, please read this entire page: 
> http://guides.rubyonrails.org/active_record_validations.html 
>
> Walter 
>
> > 
> > On Tuesday, March 27, 2018 at 6:54:34 AM UTC-4, Allen Maxwell wrote: 
> > It might help to have the models for auction and user... also, I like to 
> add the annotate gem which gives some header comments in all my models to 
> show what fields etc are there.  Very helpful info and references. 
> > 
> > you already know that the validate needs to be validates... 
> > 
> > is this an active system or SUD?  do you have a solid development 
> database that is well populated to test/develop against? 
> > 
> > this link may help some:  
> http://guides.rubyonrails.org/active_record_validations.html#custom-methods 
> > 
> > other than that I'd have to see it in action to debug further. 
> > 
> > Good luck 
> > 
> > Max 
> > 
> > On Monday, March 26, 2018 at 6:17:56 PM UTC-6, fugee ohu wrote: 
> > This model has some errors that I wasn't able to get sorted out the two 
> lines that begin with validate should be validates but after that I don't 
> understand what the author's trying to do If I change them to validates I 
> get the error Unknown validator: 'MessageValidator' for   validate 
> :auction_active?, message: :auction_active 
> > 
> > 
> > class Bid < ActiveRecord::Base 
> >   belongs_to :auction 
> >   belongs_to :user 
> > 
> >   validates :auction, :user, presence: true 
> >   validate :auction_active?, message: :auction_active 
> >   validate :last_user_different? 
> > 
> >   scope :sorted, -> { order(:created_at) } 
> > 
> >   after_create :update_auction 
> > 
> >   private 
> > 
> >   def auction_active? 
> >     if auction && !auction.active? 
> >       if auction.finished? 
> >         errors.add(:auction, :finished) 
> >       else 
> >         errors.add(:auction, :not_started) 
> >       end 
> >     end 
> >   end 
> > 
> >   def last_user_different? 
> >     if auction && user 
> >       errors.add(:user, :same_user_twice) if auction.last_user == user 
> >     end 
> >   end 
> > 
> >   def update_auction 
> >     auction.increase_price_and_time 
> >     auction.publish_updates 
> >   end 
> > end 
> > 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "Ruby on Rails: Talk" group. 
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to rubyonrails-ta...@googlegroups.com <javascript:>. 
> > To post to this group, send email to rubyonra...@googlegroups.com 
> <javascript:>. 
> > To view this discussion on the web visit 
> https://groups.google.com/d/msgid/rubyonrails-talk/b8ab4f9b-1682-4006-8d91-8f2c556f34e6%40googlegroups.com.
>  
>
> > For more options, visit https://groups.google.com/d/optout. 
>
>
Thanks Walter And passing a symbol to message: how does that work? 

-- 
You received this message because you are subscribed to the Google Groups "Ruby 
on Rails: Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to rubyonrails-talk+unsubscr...@googlegroups.com.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/rubyonrails-talk/53605b52-f944-48fe-9a04-54a2b629d9a5%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to