Go-DDD-CustomerRepository.go

// Package Customer holds all the domain logic for the customer domain.
package customer

import (
	"github.com/google/uuid"
	"github.com/percybolmer/ddd-go/aggregate"
)
var (
	// ErrCustomerNotFound is returned when a customer is not found.
	ErrCustomerNotFound = errors.New("the customer was not found in the repository")
	// ErrFailedToAddCustomer is returned when the customer could not be added to the repository.
	ErrFailedToAddCustomer = errors.New("failed to add the customer to the repository")
	// ErrUpdateCustomer is returned when the customer could not be updated in the repository.
	ErrUpdateCustomer = errors.New("failed to update the customer in the repository")
)
// CustomerRepository is a interface that defines the rules around what a customer repository
// Has to be able to perform
type CustomerRepository interface {
	Get(uuid.UUID) (aggregate.Customer, error)
	Add(aggregate.Customer) error
	Update(aggregate.Customer) error
}