backea/internal/backup/core/service.go
2025-03-28 19:57:44 +01:00

79 lines
2.0 KiB
Go

package core
import (
"backea/internal/backup/models"
"backea/internal/backup/strategy"
"backea/internal/logging"
"backea/internal/mail"
"context"
"os"
"time"
)
type Service struct {
Name string
Directory string
Strategy strategy.Strategy
Mailer *mail.Mailer
logger *logging.Logger
}
func NewService(name string, directory string, strategy strategy.Strategy, mailer *mail.Mailer) *Service {
return &Service{
Name: name,
Directory: directory,
Strategy: strategy,
Mailer: mailer,
logger: logging.GetLogger(),
}
}
func (s *Service) Backup(ctx context.Context) error {
s.logger.Info("Backing up service: %s", s.Name)
startTime := time.Now()
if _, err := os.Stat(s.Directory); os.IsNotExist(err) {
return NewBackupError("directory does not exist: "+s.Directory, nil)
}
if err := s.Strategy.Execute(ctx, s.Name, s.Directory); err != nil {
if s.Mailer != nil {
s.Mailer.SendErrorNotification(s.Name, err)
}
return NewBackupError("backup failed for "+s.Name, err)
}
duration := time.Since(startTime)
s.logger.Info("Backup completed for %s in %v", s.Name, duration)
if s.Mailer != nil {
s.Mailer.SendSuccessNotification(s.Name, duration)
}
return nil
}
func (s *Service) GetBackupInfos(ctx context.Context) ([]models.BackupInfo, error) {
infos, err := s.Strategy.ListBackups(ctx, s.Name)
if err != nil {
return nil, NewBackupError("failed to list backups for "+s.Name, err)
}
return infos, nil
}
func (s *Service) GetStorageUsage(ctx context.Context) (*models.StorageUsageInfo, error) {
usage, err := s.Strategy.GetStorageUsage(ctx, s.Name)
if err != nil {
return nil, NewBackupError("failed to get storage usage for "+s.Name, err)
}
return usage, nil
}
func (s *Service) RestoreBackup(ctx context.Context, backupID string) error {
s.logger.Info("Restoring backup %s for service %s", backupID, s.Name)
if err := s.Strategy.RestoreBackup(ctx, backupID, s.Name); err != nil {
return NewBackupError("failed to restore backup "+backupID+" for "+s.Name, err)
}
return nil
}