31 lines
527 B
Go
31 lines
527 B
Go
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package domain
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import (
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"fmt"
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"time"
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)
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type Order struct {
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OrderID string
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CustomerID string
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Amount float64
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CreatedAt time.Time
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}
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func (o *Order) Validate() error {
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if o.OrderID == "" {
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return fmt.Errorf("order_id is required")
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}
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if o.CustomerID == "" {
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return fmt.Errorf("customer_id is required")
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}
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if o.Amount <= 0 {
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return fmt.Errorf("amount must be positive")
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}
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return nil
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}
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func (o *Order) NaturalKey() string {
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return fmt.Sprintf("%s_%s_%d", o.OrderID, o.CustomerID, o.CreatedAt.Unix())
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}
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