http/internal/biz/phone_number.go

package biz

import "fmt"

type PhoneNumber struct {
	Phone    string
	AreaCode string
}

func NewPhoneNumber(phone, areaCode string) *PhoneNumber {
	return &PhoneNumber{
		Phone:    phone,
		AreaCode: areaCode,
	}
}

func (p PhoneNumber) String() string {
	return fmt.Sprintf("%s %s", p.AreaCode, p.Phone)
}

func (p PhoneNumber) Eq(p2 *PhoneNumber) bool {
	return p.Phone == p2.Phone && p.AreaCode == p2.AreaCode
}