I'd like the change the order field in a has_many relationship based on
the value of one of my other fields. Is this possible?
In this case my parent model is Quiz and the child is QuizQuestion. If
a quiz's 'style' attribute is set to 'sequential' i'd like to get
@quiz.questions back in order of quiz_questions.position, otherwise i'd
like to get them back in order of quiz_questions.low_band.
So, something like the following (i know this doesn't work because self
is the class here)
has_many :quiz_questions, :order => "#{self[:style] == sequential ?
'position' : 'low_band'}"
can i use a proc to set the order for example?
thanks, max
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