package models import ( "time" "github.com/jinzhu/gorm" ) type Invoice struct { gorm.Model BuyerID uint BuyerName string BuyerAddress string BuyerEmail string BuyerPhone string SellerID uint SellerName string SellerAddress string SellerEmail string SellerPhone string PriceCents int64 `gorm:"column:price_cents"` Discount int64 Tax int64 TermsAndConditions string InvoiceName string InvoiceDate time.Time InvoiceDueDate time.Time ContractID uint InvoiceItem [] InvoiceItem } func (Invoice) Update() (bool, error) { return false, nil } func (Invoice) Create() (bool, error) { return false, nil } func (Invoice) Delete() (bool, error) { return false, nil }