Files
gochat/internal/service/delivery_status_service.go
T
2026-06-04 15:44:48 +08:00

103 lines
4.0 KiB
Go

package service
import (
"context"
"errors"
"gorm.io/gorm"
"github.com/gochat/gochat/internal/model"
"github.com/gochat/gochat/internal/repository"
applogger "github.com/gochat/gochat/pkg/logger"
)
// DeliveryStatusService implements business logic for message delivery status operations.
// Reference: Chatwoot message delivery tracking per recipient (per-contact status tracking)
type DeliveryStatusService struct {
messageRepo *repository.MessageRepo
deliveryStatusRepo *repository.DeliveryStatusRepo
}
// NewDeliveryStatusService creates a new DeliveryStatus service.
func NewDeliveryStatusService(messageRepo *repository.MessageRepo, deliveryStatusRepo *repository.DeliveryStatusRepo) *DeliveryStatusService {
return &DeliveryStatusService{messageRepo: messageRepo, deliveryStatusRepo: deliveryStatusRepo}
}
// ListByMessage retrieves all delivery statuses for a given message.
// Validates that the message belongs to the specified account and conversation.
func (s *DeliveryStatusService) ListByMessage(ctx context.Context, accountID uint, conversationID uint, messageID uint) ([]model.DeliveryStatus, error) {
// Verify message exists and belongs to the account and conversation
msg, err := s.messageRepo.FindByAccountAndID(ctx, accountID, messageID)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, errors.New("message not found")
}
applogger.L().Errorf("DeliveryStatusService.ListByMessage: failed to find message: %v", err)
return nil, errors.New("message not found")
}
if msg.ConversationID != conversationID {
return nil, errors.New("message does not belong to the specified conversation")
}
return s.deliveryStatusRepo.FindByMessage(ctx, messageID)
}
// CreateDeliveryStatusRequest is the DTO for creating a delivery status record.
type CreateDeliveryStatusRequest struct {
MessageID uint `json:"message_id" validate:"required"`
InboxID uint `json:"inbox_id" validate:"required"`
ContactID uint `json:"contact_id" validate:"required"`
Status model.MessageStatus `json:"status" validate:"required,oneof=sent delivered read failed"`
}
// Create inserts a new delivery status record for a message.
func (s *DeliveryStatusService) Create(ctx context.Context, accountID uint, req CreateDeliveryStatusRequest) (*model.DeliveryStatus, error) {
// Verify message exists and belongs to the account
msg, err := s.messageRepo.FindByAccountAndID(ctx, accountID, req.MessageID)
if err != nil {
return nil, errors.New("message not found")
}
status := &model.DeliveryStatus{
MessageID: msg.ID,
InboxID: req.InboxID,
ContactID: req.ContactID,
Status: req.Status,
}
if err := s.deliveryStatusRepo.Create(ctx, status); err != nil {
applogger.L().Errorf("DeliveryStatusService.Create: failed to create delivery status: %v", err)
return nil, errors.New("failed to create delivery status")
}
return status, nil
}
// UpdateDeliveryStatusRequest is the DTO for updating a delivery status.
type UpdateDeliveryStatusRequest struct {
Status model.MessageStatus `json:"status" validate:"required,oneof=sent delivered read failed"`
DeliveredAt *string `json:"delivered_at,omitempty"`
ReadAt *string `json:"read_at,omitempty"`
}
// Update modifies an existing delivery status record.
func (s *DeliveryStatusService) Update(ctx context.Context, accountID uint, id uint, req UpdateDeliveryStatusRequest) (*model.DeliveryStatus, error) {
status, err := s.deliveryStatusRepo.FindByID(ctx, id)
if err != nil {
return nil, errors.New("delivery status not found")
}
// Verify the message belongs to the account
_, err = s.messageRepo.FindByAccountAndID(ctx, accountID, status.MessageID)
if err != nil {
return nil, errors.New("delivery status not found")
}
status.Status = req.Status
if err := s.deliveryStatusRepo.Update(ctx, status); err != nil {
applogger.L().Errorf("DeliveryStatusService.Update: failed to update delivery status: %v", err)
return nil, errors.New("failed to update delivery status")
}
return status, nil
}