Add refund order

2025-06-14 21:17:13 +07:00
parent 58d3b32c40
commit ebb33186b8
42 changed files with 1152 additions and 2094 deletions
@@ -0,0 +1,99 @@
+package cashier_session
+
+import (
+	"enaklo-pos-be/internal/common/logger"
+	"enaklo-pos-be/internal/common/mycontext"
+	"enaklo-pos-be/internal/entity"
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+)
+
+type Service interface {
+	OpenSession(ctx mycontext.Context, session *entity.CashierSession) (*entity.CashierSession, error)
+	CloseSession(ctx mycontext.Context, sessionID int64, closingAmount float64) (*entity.CashierSessionReport, error)
+	GetOpenSession(ctx mycontext.Context, cashierID int64) (*entity.CashierSession, error)
+	GetSessionReport(ctx mycontext.Context, sessionID int64) (*entity.CashierSessionReport, error)
+}
+
+type Repository interface {
+	CreateSession(ctx mycontext.Context, session *entity.CashierSession) (*entity.CashierSession, error)
+	CloseSession(ctx mycontext.Context, sessionID int64, closingAmount, expectedAmount float64) error
+	GetOpenSessionByCashierID(ctx mycontext.Context, cashierID int64) (*entity.CashierSession, error)
+	GetSessionByID(ctx mycontext.Context, sessionID int64) (*entity.CashierSession, error)
+	GetPaymentSummaryBySessionID(ctx mycontext.Context, sessionID int64) ([]entity.PaymentSummary, error)
+}
+
+type cashierSessionSvc struct {
+	repo Repository
+}
+
+func New(repo Repository) Service {
+	return &cashierSessionSvc{repo: repo}
+}
+
+func (s *cashierSessionSvc) OpenSession(ctx mycontext.Context, session *entity.CashierSession) (*entity.CashierSession, error) {
+	openSession, err := s.repo.GetOpenSessionByCashierID(ctx, session.CashierID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to check existing open session")
+	}
+	if openSession != nil {
+		return nil, errors.New("cashier already has an open session")
+	}
+
+	newSession, err := s.repo.CreateSession(ctx, session)
+	if err != nil {
+		logger.ContextLogger(ctx).Error("failed to create cashier session", zap.Error(err))
+		return nil, errors.Wrap(err, "failed to create cashier session")
+	}
+
+	return newSession, nil
+}
+
+func (s *cashierSessionSvc) CloseSession(ctx mycontext.Context, sessionID int64, closingAmount float64) (*entity.CashierSessionReport, error) {
+	report, err := s.repo.GetPaymentSummaryBySessionID(ctx, sessionID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get payment summary")
+	}
+
+	var expectedAmount float64
+	for _, r := range report {
+		expectedAmount += r.TotalAmount
+	}
+
+	if err := s.repo.CloseSession(ctx, sessionID, closingAmount, expectedAmount); err != nil {
+		return nil, errors.Wrap(err, "failed to close session")
+	}
+
+	return &entity.CashierSessionReport{
+		SessionID:      sessionID,
+		ClosingAmount:  closingAmount,
+		ExpectedAmount: expectedAmount,
+		Payments:       report,
+	}, nil
+}
+
+func (s *cashierSessionSvc) GetOpenSession(ctx mycontext.Context, cashierID int64) (*entity.CashierSession, error) {
+	session, err := s.repo.GetOpenSessionByCashierID(ctx, cashierID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get open session")
+	}
+	return session, nil
+}
+
+func (s *cashierSessionSvc) GetSessionReport(ctx mycontext.Context, sessionID int64) (*entity.CashierSessionReport, error) {
+	report, err := s.repo.GetPaymentSummaryBySessionID(ctx, sessionID)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get payment summary")
+	}
+
+	var expectedAmount float64
+	for _, r := range report {
+		expectedAmount += r.TotalAmount
+	}
+
+	return &entity.CashierSessionReport{
+		SessionID:      sessionID,
+		ExpectedAmount: expectedAmount,
+		Payments:       report,
+	}, nil
+}