Adding a ".dirty" method to a resource
Reported by Javier | June 18th, 2011 @ 06:00 AM
Just a suggestion for checking dirty attributes on a resource.
For example:
class MyClass
include DataMapper::Resource
property :id, Serial
property :number, Integer
before :save, :check_number
def check_number
if self.dirty.number < self.number
false
else
true
end
end
end
In that example, MyClass instances have a myclass.dirty method that returns dirty version of the object, making it straightforward to check them.
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Javier