51 行
1.4 KiB
Ruby
51 行
1.4 KiB
Ruby
class Material < ApplicationRecord
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include MyDiscard
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default_scope -> { kept }
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belongs_to :parent, class_name: 'Material', optional: true
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has_many :children, class_name: 'Material', foreign_key: :parent_id, dependent: :nullify
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belongs_to :tag, optional: true
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belongs_to :created_by_user, class_name: 'User', optional: true
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belongs_to :updated_by_user, class_name: 'User', optional: true
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belongs_to :file_suppressed_by_user, class_name: 'User', optional: true
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has_many :material_versions, dependent: :destroy
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has_many :material_export_items, dependent: :destroy
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has_one_attached :file, dependent: :purge
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validates :tag_id, presence: true, uniqueness: true
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validate :file_must_be_attached
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validate :tag_must_be_material_category
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def content_type
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return nil if file_suppressed?
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return nil unless file&.attached?
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file.blob.content_type
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end
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def file_suppressed? = file_suppressed_at.present?
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def snapshot_export_paths
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material_export_items.order(:profile).pluck(:profile, :export_path).to_h
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end
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private
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def file_must_be_attached
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return if url.present? || file.attached?
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errors.add(:url, 'URL かファイルのどちらかは必須です．')
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end
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def tag_must_be_material_category
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return if tag.blank? || tag.character? || tag.material?
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errors.add(:tag, '素材カテゴリのタグを指定してください．')
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end
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end
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