Date Formats, assigning, viewing, validating, saving, changi


I know Date formats are a common topic, but I’ve spent most of the day
googling and reading - and I cannot make things make sense.

I want to use European date format dd/mm/yy.
I am happy to stick with the ISO format yyyy-mm-dd
It is easy to display this in uk format using strftime(%d/%m/%Y)

Now all I need to do is simply fix the validation so that it switches
the uk format to the ISO format.
I was thinking of just using gsub to reverse the elements, but as I
tried some examples I discovered some things that I cant explain and
am hoping for some guidance.

(s.order_date is a date attribute)
using the console

s.order_date.month=08 (seems to assume uk format)

s.order_date.month=07 (seems to assume us format)

I dont know why the two different formats are assumed. I cannot
recall setting up anything to treat the nn-nn-nnnn format as uk

now if in the console, I enter s. The object with the textual date
form is displayed.

So I thought I could fix the problem so that the user can enter / or -
by substituting these before validation. BUT

If I enter s.order_date=“31/08/2007”, I can still see the textual
display but in the console, s.order_date returns nil because the date
format is invalid. I cant find a way to directly access the raw
object field before it gets turned into a Date class. I need to get
at the raw attribute value.

Is this the right approach, or am I missing something simple? I dont
really want to add plugins unless I understand what they are changing,
but it really seems simplest to me to use strftime to display and a
simple before_update method to fix the format.

Thanks for any help

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