deat: Added statistics on your log

app.go

@@ -3632,6 +3632,50 @@ func (a *App) UpdateQSO(q qso.QSO) error {
 	return err
 }
 
+// GetLogStats aggregates the logbook for the Statistics dashboard (operators,
+// modes, bands, entities, activity over time), restricted to a period.
+//
+// fromISO/toISO are "YYYY-MM-DD" (or RFC3339); either may be empty for "no
+// bound", so two empty strings mean the whole log. `to` is inclusive: a bare date
+// is stretched to 23:59:59 of that day, otherwise picking today as the end would
+// silently drop today's QSOs.
+func (a *App) GetLogStats(fromISO, toISO, contestID string, year int) (qso.Stats, error) {
+	if a.qso == nil {
+		return qso.Stats{}, fmt.Errorf("db not initialized")
+	}
+	from := parseStatsBound(fromISO, false)
+	to := parseStatsBound(toISO, true)
+	return a.qso.Stats(a.ctx, from, to, contestID, year)
+}
+
+// GetContestRuns lists the (contest, year) pairs actually present in the log, so
+// the Statistics picker only ever offers contests you really entered.
+func (a *App) GetContestRuns() ([]qso.ContestRun, error) {
+	if a.qso == nil {
+		return nil, fmt.Errorf("db not initialized")
+	}
+	return a.qso.ContestRuns(a.ctx)
+}
+
+// parseStatsBound turns a UI date into a UTC bound. endOfDay stretches a bare
+// date to 23:59:59 so an inclusive "to" really includes that day.
+func parseStatsBound(s string, endOfDay bool) time.Time {
+	s = strings.TrimSpace(s)
+	if s == "" {
+		return time.Time{}
+	}
+	if t, err := time.Parse("2006-01-02", s); err == nil {
+		if endOfDay {
+			return t.UTC().Add(24*time.Hour - time.Second)
+		}
+		return t.UTC()
+	}
+	if t, err := time.Parse(time.RFC3339, s); err == nil {
+		return t.UTC()
+	}
+	return time.Time{}
+}
+
 func (a *App) DeleteQSO(id int64) error {
 	if a.qso == nil {
 		return fmt.Errorf("db not initialized")