61 lines
3.0 KiB
Go
61 lines
3.0 KiB
Go
package interfaces
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import (
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"context"
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"io"
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"gitea.unprism.ru/KRBL/Agate/store"
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)
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// SnapshotManager is an interface that defines operations for managing and interacting with snapshots.
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type SnapshotManager interface {
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// CreateSnapshot creates a new snapshot from the specified source directory, associating it with a given name and parent ID.
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// Returns the created Snapshot with its metadata or an error if the process fails.
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CreateSnapshot(ctx context.Context, sourceDir string, name string, parentID string) (*store.Snapshot, error)
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// GetSnapshotDetails retrieves detailed metadata for a specific snapshot identified by its unique snapshotID.
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// Returns a Snapshot object containing metadata
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GetSnapshotDetails(ctx context.Context, snapshotID string) (*store.Snapshot, error)
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// ListSnapshots retrieves a list of available snapshots with filtering and pagination options.
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ListSnapshots(ctx context.Context, opts store.ListOptions) ([]store.SnapshotInfo, error)
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// DeleteSnapshot removes a snapshot identified by snapshotID. Returns an error if the snapshot does not exist or cannot be deleted.
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DeleteSnapshot(ctx context.Context, snapshotID string) error
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// OpenFile retrieves and opens a file from the specified snapshot, returning a readable stream and an error, if any.
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OpenFile(ctx context.Context, snapshotID string, filePath string) (io.ReadCloser, error)
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// ExtractSnapshot extracts the contents of a specified snapshot to a target directory at the given path.
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// If cleanTarget is true, the target directory will be cleaned before extraction.
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// Returns an error if the snapshot ID is invalid or the extraction fails.
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ExtractSnapshot(ctx context.Context, snapshotID string, path string, cleanTarget bool) error
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// UpdateSnapshotMetadata updates the metadata of an existing snapshot, allowing changes to its name.
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UpdateSnapshotMetadata(ctx context.Context, snapshotID string, newName string) error
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}
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// SnapshotServer defines the interface for a server that can share snapshots
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type SnapshotServer interface {
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// Start initializes and begins the server's operation, handling incoming requests or processes within the provided context.
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Start(ctx context.Context) error
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// Stop gracefully shuts down the server, releasing any allocated resources and ensuring all operations are completed.
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Stop(ctx context.Context) error
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}
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// SnapshotClient defines the interface for a client that can connect to a server and download snapshots
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type SnapshotClient interface {
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// ListSnapshots retrieves a list of snapshots from the server
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ListSnapshots(ctx context.Context) ([]store.SnapshotInfo, error)
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// FetchSnapshotDetails retrieves detailed information about a specific snapshot
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FetchSnapshotDetails(ctx context.Context, snapshotID string) (*store.Snapshot, error)
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// DownloadSnapshot downloads a snapshot from the server
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DownloadSnapshot(ctx context.Context, snapshotID string, targetDir string, localParentID string) error
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// Close closes the connection to the server
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Close() error
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}
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