2025-03-08 00:35:23 +07:00

118 lines
3.0 KiB
Go

package customer
import (
"enaklo-pos-be/internal/common/logger"
"enaklo-pos-be/internal/common/mycontext"
"enaklo-pos-be/internal/constants"
"enaklo-pos-be/internal/entity"
"github.com/pkg/errors"
"go.uber.org/zap"
"strings"
)
type Repository interface {
Create(ctx mycontext.Context, customer *entity.Customer) (*entity.Customer, error)
FindByID(ctx mycontext.Context, id int64) (*entity.Customer, error)
FindByPhone(ctx mycontext.Context, phone string) (*entity.Customer, error)
FindByEmail(ctx mycontext.Context, email string) (*entity.Customer, error)
AddPoints(ctx mycontext.Context, id int64, points int) error
}
type Service interface {
ResolveCustomer(ctx mycontext.Context, req *entity.CustomerResolutionRequest) (int64, error)
AddPoints(ctx mycontext.Context, customerID int64, points int) error
GetCustomer(ctx mycontext.Context, id int64) (*entity.Customer, error)
}
type customerSvc struct {
repo Repository
}
func New(repo Repository) Service {
return &customerSvc{
repo: repo,
}
}
func (s *customerSvc) ResolveCustomer(ctx mycontext.Context, req *entity.CustomerResolutionRequest) (int64, error) {
if req.Email == "" && req.PhoneNumber == "" {
return 0, nil
}
if req.ID != nil && *req.ID > 0 {
customer, err := s.repo.FindByID(ctx, *req.ID)
if err != nil {
if !strings.Contains(err.Error(), "not found") {
return 0, errors.Wrap(err, "failed to find customer by ID")
}
} else {
return customer.ID, nil
}
}
if req.PhoneNumber != "" {
customer, err := s.repo.FindByPhone(ctx, req.PhoneNumber)
if err != nil {
if !strings.Contains(err.Error(), "not found") {
return 0, errors.Wrap(err, "failed to find customer by phone")
}
} else {
return customer.ID, nil
}
}
if req.Email != "" {
customer, err := s.repo.FindByEmail(ctx, req.Email)
if err != nil {
if !strings.Contains(err.Error(), "not found") {
return 0, errors.Wrap(err, "failed to find customer by email")
}
} else {
return customer.ID, nil
}
}
if req.Name == "" {
return 0, errors.New("customer name is required to create a new customer")
}
newCustomer := &entity.Customer{
Name: req.Name,
Email: req.Email,
Phone: req.PhoneNumber,
Points: 0,
CreatedAt: constants.TimeNow(),
UpdatedAt: constants.TimeNow(),
}
customer, err := s.repo.Create(ctx, newCustomer)
if err != nil {
logger.ContextLogger(ctx).Error("failed to create customer", zap.Error(err))
return 0, errors.Wrap(err, "failed to create customer")
}
return customer.ID, nil
}
func (s *customerSvc) AddPoints(ctx mycontext.Context, customerID int64, points int) error {
if points <= 0 {
return nil
}
err := s.repo.AddPoints(ctx, customerID, points)
if err != nil {
return errors.Wrap(err, "failed to add points to customer")
}
return nil
}
func (s *customerSvc) GetCustomer(ctx mycontext.Context, id int64) (*entity.Customer, error) {
customer, err := s.repo.FindByID(ctx, id)
if err != nil {
return nil, errors.Wrap(err, "failed to get customer")
}
return customer, nil
}