Bookmark Lifecycle States
This state machine diagram illustrates the lifecycle of a Bookmark entity within the system.
The lifecycle begins when a bookmark is created via the create_bookmark service method, which initializes it in the Active state. From there, the bookmark can transition between three primary states: Active, Archived, and Trashed.
Key transitions are triggered by specific service operations:
- Archive: Triggered by
archive_bookmark, moving the bookmark to the Archived state from either Active or Trashed. - Trash: Triggered by
delete_bookmark, which performs a soft-delete by moving the bookmark to the Trashed state. - Restore: Triggered by
restore_bookmark, which returns a bookmark from Archived or Trashed back to the Active state.
The system uses an in-memory repository where these state changes are persisted. Notably, the current implementation allows transitions between any of these states without restrictive guard conditions, meaning a bookmark can be moved directly from Trashed to Archived or vice versa. There is currently no terminal "Deleted" state exposed via the public API, as the delete operation is implemented as a soft-delete (trashing).
Key Architectural Findings:
- Bookmarks are initialized in the 'active' status upon creation.
- The 'delete' operation is a soft-delete that transitions the bookmark to the 'trashed' status.
- The 'restore' operation transitions a bookmark from 'archived' or 'trashed' back to 'active'.
- Transitions are permissive; for example, a bookmark can move directly from 'trashed' to 'archived'.
- There is no hard-delete transition exposed in the service layer, although the repository supports it.