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package mix
import (
"errors"
"fmt"
"codeberg.org/lindenii/furgit/objectid"
"codeberg.org/lindenii/furgit/objectstore"
"codeberg.org/lindenii/furgit/objecttype"
)
// ReadBytesFull reads a full serialized object from one backend that has it.
func (mix *Mix) ReadBytesFull(id objectid.ObjectID) ([]byte, error) {
for i, backend := 0, mix.firstBackend(); backend != nil; i, backend = i+1, mix.nextBackend(backend) {
full, err := backend.ReadBytesFull(id)
if err == nil {
mix.touchBackend(backend)
return full, nil
}
if errors.Is(err, objectstore.ErrObjectNotFound) {
continue
}
return nil, fmt.Errorf("objectstore: backend %d read bytes full: %w", i, err)
}
return nil, objectstore.ErrObjectNotFound
}
// ReadBytesContent reads an object's type and content bytes from one backend
// that has it.
func (mix *Mix) ReadBytesContent(id objectid.ObjectID) (objecttype.Type, []byte, error) {
for i, backend := 0, mix.firstBackend(); backend != nil; i, backend = i+1, mix.nextBackend(backend) {
ty, content, err := backend.ReadBytesContent(id)
if err == nil {
mix.touchBackend(backend)
return ty, content, nil
}
if errors.Is(err, objectstore.ErrObjectNotFound) {
continue
}
return objecttype.TypeInvalid, nil, fmt.Errorf("objectstore: backend %d read bytes content: %w", i, err)
}
return objecttype.TypeInvalid, nil, objectstore.ErrObjectNotFound
}
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