20 lines
531 B
Ruby
20 lines
531 B
Ruby
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class SupplierCategory < ActiveRecord::Base
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belongs_to :financial_transaction_class
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has_many :suppliers
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normalize_attributes :name, :description
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validates :name, presence: true, uniqueness: true, length: { minimum: 2 }
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before_destroy :check_for_associated_suppliers
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protected
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# Deny deleting the category when there are associated suppliers.
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def check_for_associated_suppliers
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raise I18n.t('activerecord.errors.has_many_left', collection: Supplier.model_name.human) if suppliers.undeleted.any?
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end
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end
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