datasource

type DefaultHandlerResolver struct {
}

type EmptyReadCloser struct{}

type Entry struct {
	Error error
	Info  fs.Object
}

type Handler interface {
	// List lists the files at the given path.
	List(ctx context.Context, path string) ([]fs.DirEntry, error)

	// Scan scans the data source starting at the given path and returns a channel of entries.
	// The `last` parameter is used to resume scanning from the last entry returned by a previous scan. It is exclusive.
	// The returned entries must be sorted by path in ascending order.
	Scan(ctx context.Context, path string, last string) <-chan Entry

	// Check checks the size and last modified time of the file at the given path.
	Check(ctx context.Context, path string) (fs.DirEntry, error)

	ReadHandler
}

type HandlerResolver interface {
	Resolve(ctx context.Context, source model.Source) (Handler, error)
}

type RCloneHandler struct {
	fs.Fs
}

type ReadHandler interface {
	// Read reads data from the data source starting at the given path and offset, and returns a ReadCloser.
	// The `length` parameter specifies the number of bytes to read.
	// This method is most likely used for retrieving a single block of data.
	Read(ctx context.Context, path string, offset int64, length int64) (io.ReadCloser, fs.Object, error)
}