Rails still sends them through as separate fields, in this case for month and year, and they need to be recombined manually.
On Thursday, 8 November 2012 at 10:29 AM, Mark Ratjens wrote: > Another way to do this is store a date as one field on the model. It's quite > easy to add methods to the model to present month and year values so that you > effectively have the same model interface that you need. I'd be tempted to do > this, since it relies less on less familiar AR features. > > In the form, you do can something like > > f.date_select :credit_card_date, "written_on", :discard_day => true > so that the day component of the day is neither shown on the form nor sent > through the params. > > > On 8 November 2012 09:50, Ivan Vanderbyl <[email protected] > (mailto:[email protected])> wrote: > > Ah yes, I went through this same problem a few weeks ago with a CC form. > > Ended up doing the same thing. > > > > > > On 08/11/2012, at 9:46 AM, Steven Ringo <[email protected] > > (mailto:[email protected])> wrote: > > > Hi, > > > > > > @Ivan, thanks :-) > > > > > > Since this is a credit card field, we are going to just have separate > > > explicit fields for month and year, as that's what the acquirer wants > > > anyway. > > > > > > I was worried about how to handle validations on the combined date, but > > > we don't need to validate at that level. Rather we validate for all the > > > credit card fields together. > > > > > > Perhaps it might be a good idea to see multi-parameter attributes > > > factored out of AR and into ActiveModel? > > > > > > Thanks again. > > > > > > Steve > > > > > > > > > On Thursday, 8 November 2012 at 9:39 AM, Ivan Vanderbyl wrote: > > > > > > > Hi Steve, > > > > > > > > This is handled by ActiveRecord usually in > > > > ActiveRecord::AttributeAssignment#assign_multiparameter_attributes > > > > (https://github.com/rails/rails/blob/master/activerecord/lib/active_record/attribute_assignment.rb#L62-66) > > > > > > > > > > > > You could experiment with either mixing in that module or pulling out > > > > the #assign_multiparameter_attributes methods into your own module and > > > > using it with ActiveModel. > > > > > > > > AFAIK there is no equivalent for ActiveModel. > > > > > > > > — Ivan > > > > > > > > On 08/11/2012, at 8:55 AM, Steven Ringo <[email protected] > > > > (mailto:[email protected])> wrote: > > > > > Hi all, > > > > > > > > > > Anyone have any idea on the best way to parse a date from a rails > > > > > form and coerce it into a date field in an active model object. > > > > > > > > > > Rails send this in the params hash: > > > > > > > > > > "credit_card_expiry(3i)"=>"1", "credit_card_expiry(2i)"=>"11", > > > > > "credit_card_expiry(1i)"=>"2012" > > > > > > > > > > However the model sees these as being three separate attributes, and > > > > > of course the the active model object has no way of knowing this. > > > > > > > > > > I have seen techniques that manually mangle the hash like so (or > > > > > introspective variants), but this feels very hacky. > > > > > > > > > > params[:subscription][:credit_card_expiry] = > > > > > Date.new(params[:subscription][:"credit_card_expiry(1i)"].to_i, > > > > > params[:subscription][:"credit_card_expiry(2i)"].to_i, > > > > > params[:subscription][:"credit_card_expiry(3i)"].to_i) > > > > > params[:subscription].delete(:"credit_card_expiry(1i)") > > > > > params[:subscription].delete(:"credit_card_expiry(2i)") > > > > > params[:subscription].delete(:"credit_card_expiry(3i)") > > > > > > > > > > Thanks, > > > > > Steve > > > > > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > > > Groups "Ruby or Rails Oceania" group. > > > > > To view this discussion on the web visit > > > > > https://groups.google.com/d/msg/rails-oceania/-/5N1Kll4oUZ4J. > > > > > To post to this group, send email to [email protected] > > > > > (mailto:[email protected]). > > > > > To unsubscribe from this group, send email to > > > > > [email protected] > > > > > (mailto:[email protected]). > > > > > For more options, visit this group at > > > > > http://groups.google.com/group/rails-oceania?hl=en. > > > > > > > > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Ruby or Rails Oceania" group. > > > > To post to this group, send email to [email protected] > > > > (mailto:[email protected]). > > > > To unsubscribe from this group, send email to > > > > [email protected] > > > > (mailto:[email protected]). > > > > For more options, visit this group at > > > > http://groups.google.com/group/rails-oceania?hl=en. > > > > > > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Ruby or Rails Oceania" group. > > > To post to this group, send email to [email protected] > > > (mailto:[email protected]). > > > To unsubscribe from this group, send email to > > > [email protected] > > > (mailto:[email protected]). > > > For more options, visit this group at > > > http://groups.google.com/group/rails-oceania?hl=en. > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby or Rails Oceania" group. > > To post to this group, send email to [email protected] > > (mailto:[email protected]). > > To unsubscribe from this group, send email to > > [email protected] > > (mailto:rails-oceania%[email protected]). > > For more options, visit this group at > > http://groups.google.com/group/rails-oceania?hl=en. > > > > -- > > > Mark Ratjens > Co-founder, Habanero Software > > Sydney, Australia > [email protected] (mailto:[email protected]) > @MarkRatjens (mailto:[email protected]) > www.habanerohq.com (http://habanerohq.com) > +61 414 159 357 > -- > You received this message because you are subscribed to the Google Groups > "Ruby or Rails Oceania" group. > To post to this group, send email to [email protected] > (mailto:[email protected]). > To unsubscribe from this group, send email to > [email protected] > (mailto:[email protected]). > For more options, visit this group at > http://groups.google.com/group/rails-oceania?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby or Rails Oceania" group. 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