app

type AppContext struct {
	DB            *sql.DB
	Tx            *sql.Tx
	Stmt          *sql.Stmt
	MetadataChan  chan models.FileMetadata
	Wg            *sync.WaitGroup
	Stats         *models.ProgressStats
	Context       context.Context
	Cancel        context.CancelFunc
	Cleanup       sync.Once
	LastCommit    time.Time
	ChannelClosed bool
}