26 lines
789 B
Ruby
26 lines
789 B
Ruby
module MarkAsDeletedWithName
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extend ActiveSupport::Concern
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def mark_as_deleted
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# get maximum length of name
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max_length = 100000
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if lenval = self.class.validators_on(:name).detect { |v| v.is_a?(ActiveModel::Validations::LengthValidator) }
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max_length = lenval.options[:maximum]
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end
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# find unique deleted name
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# (would have been nice to use retry, but there is no general duplicate-entry exception)
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n = ''
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begin
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append = " \u2020" + n
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deleted_name = name.truncate(max_length - append.length, omission: '') + append
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if n.blank?
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n = 'A'
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else
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n.succ!
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end
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end while self.class.where(name: deleted_name).exists?
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# mark as deleted
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update_columns deleted_at: Time.now, name: deleted_name
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end
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end
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