Struct FileHistory 

pub struct FileHistory { /* private fields */ }

File history manager for one session.

Implementations

impl FileHistory

pub fn new(session_id: &str) -> Self

pub async fn backup_before_write(&mut self, file_path: &str) -> Option<u32>

Backup a file before it gets modified. Call this BEFORE writing/editing. No-op if file doesn’t exist (new file). Returns the backup version number, or None if no backup was needed.

pub async fn restore( &self, file_path: &str, version: Option<u32>, ) -> Result<u32, String>

Restore a file to a specific version. Returns Ok(version) on success, Err(message) on failure.

pub fn list_files(&self) -> Vec<(String, usize)>

List all backed-up files and their version counts.

pub fn latest_version(&self, file_path: &str) -> Option<u32>

Get the most recently backed-up version number for a file.

pub async fn cleanup(&self)

Clean up all backups for this session.