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.