fix: Cabrillo contest

app.go

@@ -3712,7 +3712,7 @@ type CabrilloResult struct {
 }
 
 // cabrilloHeader fills the Cabrillo header from the active profile (callsign,
-// operator, grid) plus the contest name the user supplied.
+// operator, grid) plus the contest name (taken from the QSOs' ADIF CONTEST_ID).
 func (a *App) cabrilloHeader(contest string) cabrillo.Header {
 	h := cabrillo.Header{Contest: contest}
 	if a.profiles != nil {
@@ -3727,8 +3727,9 @@ func (a *App) cabrilloHeader(contest string) cabrillo.Header {
 }
 
 // writeCabrillo collects the QSOs via the given iterator and writes a Cabrillo
-// document to path.
-func (a *App) writeCabrillo(path, contest string, iterate func(func(qso.QSO) error) error) (CabrilloResult, error) {
+// document to path. The contest name is taken from the QSOs' ADIF CONTEST_ID
+// (the most common one), so no separate prompt is needed.
+func (a *App) writeCabrillo(path string, iterate func(func(qso.QSO) error) error) (CabrilloResult, error) {
 	if a.qso == nil {
 		return CabrilloResult{}, fmt.Errorf("db not initialized")
 	}
@@ -3736,9 +3737,24 @@ func (a *App) writeCabrillo(path, contest string, iterate func(func(qso.QSO) err
 		return CabrilloResult{}, fmt.Errorf("empty path")
 	}
 	var qsos []qso.QSO
-	if err := iterate(func(q qso.QSO) error { qsos = append(qsos, q); return nil }); err != nil {
+	contests := map[string]int{}
+	if err := iterate(func(q qso.QSO) error {
+		qsos = append(qsos, q)
+		if c := strings.TrimSpace(q.ContestID); c != "" {
+			contests[c]++
+		}
+		return nil
+	}); err != nil {
 		return CabrilloResult{}, err
 	}
+	// Pick the most-used CONTEST_ID across the exported QSOs.
+	contest := ""
+	best := 0
+	for c, n := range contests {
+		if n > best {
+			contest, best = c, n
+		}
+	}
 	f, err := os.Create(path)
 	if err != nil {
 		return CabrilloResult{}, err
@@ -3752,31 +3768,31 @@ func (a *App) writeCabrillo(path, contest string, iterate func(func(qso.QSO) err
 }
 
 // ExportCabrillo writes every QSO to a Cabrillo file.
-func (a *App) ExportCabrillo(path, contest string) (CabrilloResult, error) {
-	return a.writeCabrillo(path, contest, func(fn func(qso.QSO) error) error { return a.qso.IterateAll(a.ctx, fn) })
+func (a *App) ExportCabrillo(path string) (CabrilloResult, error) {
+	return a.writeCabrillo(path, func(fn func(qso.QSO) error) error { return a.qso.IterateAll(a.ctx, fn) })
 }
 
 // ExportCabrilloFiltered writes the QSOs matching the current filter.
-func (a *App) ExportCabrilloFiltered(path, contest string, f qso.QueryFilter) (CabrilloResult, error) {
-	return a.writeCabrillo(path, contest, func(fn func(qso.QSO) error) error { return a.qso.IterateFiltered(a.ctx, f, fn) })
+func (a *App) ExportCabrilloFiltered(path string, f qso.QueryFilter) (CabrilloResult, error) {
+	return a.writeCabrillo(path, func(fn func(qso.QSO) error) error { return a.qso.IterateFiltered(a.ctx, f, fn) })
 }
 
 // ExportCabrilloSelected writes only the highlighted QSOs.
-func (a *App) ExportCabrilloSelected(path, contest string, ids []int64) (CabrilloResult, error) {
+func (a *App) ExportCabrilloSelected(path string, ids []int64) (CabrilloResult, error) {
 	if len(ids) == 0 {
 		return CabrilloResult{}, fmt.Errorf("no QSOs selected")
 	}
-	return a.writeCabrillo(path, contest, func(fn func(qso.QSO) error) error { return a.qso.IterateByIDs(a.ctx, ids, fn) })
+	return a.writeCabrillo(path, func(fn func(qso.QSO) error) error { return a.qso.IterateByIDs(a.ctx, ids, fn) })
 }
 
-// SaveCabrilloFile opens a save dialog for a Cabrillo (.cbr / .log) file.
+// SaveCabrilloFile opens a save dialog for a Cabrillo (.log) file.
 func (a *App) SaveCabrilloFile() (string, error) {
-	suggested := "OpsLog_" + time.Now().UTC().Format("20060102_150405") + ".cbr"
+	suggested := "OpsLog_" + time.Now().UTC().Format("20060102_150405") + ".log"
 	return wruntime.SaveFileDialog(a.ctx, wruntime.SaveDialogOptions{
 		Title:           "Export Cabrillo",
 		DefaultFilename: suggested,
 		Filters: []wruntime.FileFilter{
-			{DisplayName: "Cabrillo files (*.cbr, *.log)", Pattern: "*.cbr;*.log"},
+			{DisplayName: "Cabrillo log (*.log, *.cbr)", Pattern: "*.log;*.cbr"},
 			{DisplayName: "All files (*.*)", Pattern: "*.*"},
 		},
 	})