Refer to http://guides.rubyonrails.org/form_helpers.html#using-date-and-time-form-helpersSection 4.2
This is Rails. You should expect that it helps you with banal stuff like this, And it does! On 8 November 2012 11:51, Steven Ringo <[email protected]> wrote: > 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]> 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]> 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]> 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]. > To unsubscribe from this group, send email to > [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]. > To unsubscribe from this group, send email to > [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]. > To unsubscribe from this group, send email to > [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]. > To unsubscribe from this group, send email to > [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] > @MarkRatjens <[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]. > To unsubscribe from this group, send email to > [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]. > To unsubscribe from this group, send email to > [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] @MarkRatjens <[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. 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