Created
November 17, 2013 20:42
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Complex has_one associations in Rails 4
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has_one :previous_membership, -> { | |
paid | |
.where(member_id: self.member_id) | |
.where('activated_at < ?', self.activated_at) | |
.order('activated_at DESC') | |
}, class_name: 'Membership' |
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