On Tue, Feb 21, 2012 at 9:48 AM, LED <[email protected]> wrote: > >> Is there a business rule that each item must realistically have > >> a quantity and product (and that product must have a price) ? > > uhm im following agile web development rails actualy the snippets are > from the book > > > > * add validations for the presence of these values > > (presence of quantity and product on item > > presence of price on product) > i already validated the price > of each item in CRUD > > model/product.rb > validates :price, :numericality => {:greater_than_or_equal_to => > 0.01} > > For clarity. It is not because a validation is present that the value is always present in memory (in the database, using the standard techniques for saving, only valid data should ever be really saved).
Is the data for the item valid? * quantity * product * product_id Check out the values of those 3. HTH, Peter -- 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.
