add method to reflection-object and named-scopes
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by toy
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Published on 2010-02-20T17:02:32Z
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2010/04/03
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ruby-on-rails
|activerecord
I Like to add a method to my has_many relation in the way that it is applyed on the relation object.
I got an Order wich :has_many line_items
I like to write things like
order.line_items.calculate_total # returns the sum of line_items
this I could do with:
:has_many line_items do
def calculate_total
...
end
end
but this would not be applyed to named_scopes like payalbes_only:
order.line_items.payables_only.calculate_total
here calculate total would receive all line_items of order and not the scoped ones from payables_only-scope. My log tells me that the paybles_only scope is even not applied to the sql.
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