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Size: a a a
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<%= form.collection_select :supplier_id, Supplier.order(:short_name), :id, :short_name, include_blank: true %>
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АД
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class Order < ApplicationRecord
has_one :supplier
end
class Supplier < ApplicationRecord
belongs_to :order, optional: true
end
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undefined method `short_name' for nil:NilClass
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def get_suppliers
@supplier = Supplier.find(@order.supplier_id)
end
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class Order < ApplicationRecord
has_one :supplier
end
class Supplier < ApplicationRecord
belongs_to :order, optional: true
end
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