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33 lines
654 B
Ruby
33 lines
654 B
Ruby
# Helper functions for dealing with errors and objects that have
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# child objects with errors
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module HasErrors
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attr_reader :errors
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def errors
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@errors ||= ActiveModel::Errors.new(self)
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end
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def validate_child(obj)
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return true if obj.valid?
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add_errors_from(obj)
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false
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end
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def rollback_with!(obj, error)
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obj.errors.add(:base, error)
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rollback_from_errors!(obj)
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end
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def rollback_from_errors!(obj)
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add_errors_from(obj)
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raise ActiveRecord::Rollback.new
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end
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def add_errors_from(obj)
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obj.errors.full_messages.each do |msg|
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errors[:base] << msg unless errors[:base].include?(msg)
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end
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end
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end
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