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我有好几个型号,它们相互连接:未定义的方法ActiveRecord_Associations_CollectionProxy
class InsurerPayment < ActiveRecord::Base
belongs_to :insurer
belongs_to :company
has_many :contracts
end
class Insurer < ActiveRecord::Base
belongs_to :company
has_many :contracts
has_many :insurer_payments, dependent: :destroy
end
class Contract < ActiveRecord::Base
belongs_to :company
belongs_to :insurer
belongs_to :insurer_payment
end
当我在insurer_payments_controller做commissions = current_company.contracts.pluck(:commission).sum
,我拿提成的总和所有与我目前的合同公司。但我需要得到属于我现在公司的保险公司佣金的总和。做类似commissions = current_company.insurers.contracts.pluck(:commission).sum
给我一个错误:未定义的方法`合同'#Insurer :: ActiveRecord_Associations_CollectionProxy:0x007f92450f79c0。我怎样才能得到我需要的结果?谢谢你。
非常感谢,它帮助 –