Struct TrackerDb 

pub struct TrackerDb { /* private fields */ }

SQLite-backed token savings tracker.

Implementations

impl TrackerDb

pub fn open() -> Result<Self, TrackerError>

Open or create the tracker database in the user’s data directory.

Errors

Returns TrackerError if the data directory is unavailable or SQLite fails.

pub fn record(&self, event: &FilterEvent) -> Result<(), TrackerError>

Record a filter event.

Errors

Returns TrackerError if the insert fails.

pub fn gain_summary(&self, days: u32) -> Result<GainSummary, TrackerError>

Get savings summary for the last N days.

Errors

Returns TrackerError if the query fails.

pub fn daily_report(&self, days: u32) -> Result<Vec<DailyStats>, TrackerError>

Get daily breakdown for the last N days.

Errors

Returns TrackerError if the query fails.

pub fn recent_events( &self, limit: u32, ) -> Result<Vec<FilterEvent>, TrackerError>

Get recent event log (last N events).

Errors

Returns TrackerError if the query fails.

pub fn prune(&self) -> Result<usize, TrackerError>

Prune events older than retention period.

Errors

Returns TrackerError if the delete fails.