package controller

import (
	"io"

	"gitea.loveuer.com/loveuer/cluster/internal/registry/storage"
)

// GetBlob 获取 blob
func GetBlob(store storage.Storage, repo, digest string) (io.ReadCloser, int64, error) {
	return store.GetBlob(repo, digest)
}

// HeadBlob 检查 blob 是否存在并返回大小
func HeadBlob(store storage.Storage, repo, digest string) (bool, int64, error) {
	exists, err := store.BlobExists(repo, digest)
	if err != nil || !exists {
		return false, 0, err
	}

	size, err := store.GetBlobSize(repo, digest)
	if err != nil {
		return false, 0, err
	}

	return true, size, nil
}