class Invoice < ActiveRecord::Base self.table_name = 'Invoice' self.primary_key = 'InvoiceId' alias_attribute :id, 'InvoiceId' alias_attribute :customer_id, 'CustomerId' alias_attribute :invoice_date, 'InvoiceDate' alias_attribute :billing_address, 'BillingAddress' alias_attribute :billing_city, 'BillingCity' alias_attribute :billing_state, 'BillingState' alias_attribute :billing_country, 'BillingCountry' alias_attribute :billing_postal_code, 'BillingPostalCode' alias_attribute :total, 'Total' belongs_to :customer, foreign_key: 'CustomerId' has_many :invoice_lines, foreign_key: 'InvoiceId' end