29 lines
662 B
Ruby
29 lines
662 B
Ruby
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class Region < ApplicationRecord
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extend FriendlyId
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friendly_id :name, use: :slugged
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has_many :countries, dependent: :restrict_with_error
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has_many :cities, through: :countries
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validates :name, presence: true
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validates :code, presence: true, uniqueness: true
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def to_s
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name
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end
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def localized_name
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I18n.t("regions.#{code}")
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end
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# 模型中允许被搜索的关联
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def self.ransackable_associations(auth_object = nil)
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[ "countries", "cities" ]
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end
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# 允许被搜索的属性列表
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def self.ransackable_attributes(auth_object = nil)
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[ "code", "created_at", "id", "id_value", "name", "slug", "updated_at" ]
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end
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end
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