archive

type ColdStorageProvider interface {
	// Ping verifies that the provider can reach the given bucket.
	// Call once at startup to catch bad credentials/endpoints early.
	Ping(ctx context.Context, bucket string) error
	// Upload writes data to the given bucket/key.
	Upload(ctx context.Context, bucket, key string, data io.Reader, opts UploadOptions) error
	// Download retrieves an object by bucket/key.
	Download(ctx context.Context, bucket, key string) (io.ReadCloser, error)
	// Exists returns true if the object exists and is readable.
	Exists(ctx context.Context, bucket, key string) (bool, error)
	// Provider returns the short name of the backend ("r2", "s3", "b2").
	Provider() string
}

type Config struct {
	Provider string // "r2", "s3", "b2"
	Bucket   string // cold-storage bucket name
}

type S3Provider struct {
	// contains filtered or unexported fields
}

type UploadOptions struct {
	ContentType     string
	ContentEncoding string
	Metadata        map[string]string
}