1 Jun
2007
1 Jun
'07
7:48 p.m.
Is there an easy way in Magritte to clean up user-supplied data
before validation? I'm doing something like this:
Address>>state: aString
state := aString ifNotNil: [:s | s trimBlanks]
Address class>>descriptionState
^(MAStringDescription auto: 'state' label: 'State')
addCondition: [:value | value trimBlanks size = 2] labelled:
'Please enter a two-character abbreviation';
yourself
In Rails, ActiveRecord offers a before_validation hook for this kind
of cleanup. I have mostly used it to coerce empty strings to nil, but
it looks like Magritte's default string reader at least does that
part for me.
Should I implement my own StringReader to accomplish this in one place?
--
Ken Treis
Miriam Technologies, Inc.