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18 lines
538 B
18 lines
538 B
class Inform < ApplicationRecord
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belongs_to :container, polymorphic: true, optional: true
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validates :name, length: { maximum: 60 }
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validates :description, length: { maximum: 5000 }
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has_many :attachments, as: :container, dependent: :destroy
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def next_inform
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Inform.find_by(position: self.position+1, container_id: self.container_id, container_type: self.container_type)
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end
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def last_inform
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Inform.find_by(position: self.position-1, container_id: self.container_id, container_type: self.container_type)
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end
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end
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