save each lane as it finishes

db/db.go

@@ -325,6 +325,42 @@ func (db *DB) SetCurrentHeatNumber(groupID int64, heatNum int) error {
 	return err
 }
 
+func (db *DB) SaveLaneResult(groupID int64, heatNum int, lane int, time float64, position int) error {
+	db.logger.Info("Saving lane result", "groupID", groupID, "heatNum", heatNum, "lane", lane, "time", time, "position", position)
+	var count int
+	err := db.QueryRow("SELECT COUNT(*) FROM heat_results WHERE group_id = ? AND heat_number = ?",
+		groupID, heatNum).Scan(&count)
+	if err != nil {
+		return err
+	}
+
+	if count > 0 {
+		switch lane {
+		case 1:
+			_, err = db.Exec("UPDATE heat_results SET lane1_time = ?, lane1_position = ? WHERE group_id = ? AND heat_number = ?", time, position, groupID, heatNum)
+		case 2:
+			_, err = db.Exec("UPDATE heat_results SET lane2_time = ?, lane2_position = ? WHERE group_id = ? AND heat_number = ?", time, position, groupID, heatNum)
+		case 3:
+			_, err = db.Exec("UPDATE heat_results SET lane3_time = ?, lane3_position = ? WHERE group_id = ? AND heat_number = ?", time, position, groupID, heatNum)
+		case 4:
+			_, err = db.Exec("UPDATE heat_results SET lane4_time = ?, lane4_position = ? WHERE group_id = ? AND heat_number = ?", time, position, groupID, heatNum)
+		}
+	} else {
+		switch lane {
+		case 1:
+			_, err = db.Exec("INSERT INTO heat_results (group_id, heat_number, lane1_time, lane1_position) VALUES (?, ?, ?, ?)", groupID, heatNum, time, position)
+		case 2:
+			_, err = db.Exec("INSERT INTO heat_results (group_id, heat_number, lane2_time, lane2_position) VALUES (?, ?, ?, ?)", groupID, heatNum, time, position)
+		case 3:
+			_, err = db.Exec("INSERT INTO heat_results (group_id, heat_number, lane3_time, lane3_position) VALUES (?, ?, ?, ?)", groupID, heatNum, time, position)
+		case 4:
+			_, err = db.Exec("INSERT INTO heat_results (group_id, heat_number, lane4_time, lane4_position) VALUES (?, ?, ?, ?)", groupID, heatNum, time, position)
+		}
+	}
+	db.logger.Info("Saved lane result", "groupID", groupID, "heatNum", heatNum, "lane", lane, "time", time, "position", position)
+	return err
+}
+
 // SaveHeatResult saves the result of a heat
 func (db *DB) SaveHeatResult(result models.HeatResult) error {
 	db.logger.Info("Saving heat result", "result", result)

web/server.go

@@ -421,14 +421,10 @@ func (s *Server) forwardEvents() {
 
 // broadcastRaceEvent sends a race event to all connected clients
 func (s *Server) broadcastRaceEvent(event derby.Event) {
-	var heatResult models.HeatResult
 	switch event.Type {
 	case derby.EventRaceStart:
 		s.logger.Info("Broadcasting race start event")
 		s.sendRaceEventToAllClients("event: race-status\ndata: <div id='status-indicator' class='w-25 h-100 d-inline-flex align-items-center justify-content-center badge bg-success'>Race Running</div>\n\n")
-		heatGroup, _ := s.db.GetCurrentRacingGroup()
-		heatResult.GroupID = heatGroup.ID
-		heatResult.HeatNumber, _ = s.db.GetCurrentHeatNumber(heatGroup.ID)
 
 	case derby.EventLaneFinish:
 		s.logger.Info("Broadcasting lane finish event",
@@ -436,27 +432,16 @@ func (s *Server) broadcastRaceEvent(event derby.Event) {
 			"time", event.Result.Time,
 			"place", event.Result.FinishPlace)
 
-		switch event.Result.Lane {
-		case 1:
-			heatResult.Lane1Time = event.Result.Time
-			heatResult.Lane1Position = event.Result.FinishPlace
-		case 2:
-			heatResult.Lane2Time = event.Result.Time
-			heatResult.Lane2Position = event.Result.FinishPlace
-		case 3:
-			heatResult.Lane3Time = event.Result.Time
-			heatResult.Lane3Position = event.Result.FinishPlace
-		case 4:
-			heatResult.Lane4Time = event.Result.Time
-			heatResult.Lane4Position = event.Result.FinishPlace
-		}
+		heatGroup, _ := s.db.GetCurrentRacingGroup()
+		heatNum, _ := s.db.GetCurrentHeatNumber(heatGroup.ID)
+		s.db.SaveLaneResult(heatGroup.ID, heatNum, event.Result.Lane, event.Result.Time, event.Result.FinishPlace)
+
 		s.sendRaceEventToAllClients(fmt.Sprintf("event: lane-%d-time\ndata: %.3f\n\n", event.Result.Lane, event.Result.Time))
 		s.sendRaceEventToAllClients(fmt.Sprintf("event: lane-%d-position\ndata: %d\n\n", event.Result.Lane, event.Result.FinishPlace))
 
 	case derby.EventRaceComplete:
 		s.logger.Info("Broadcasting race complete event")
 		s.sendRaceEventToAllClients("event: race-status\ndata: <div id='status-indicator' class='w-25 h-100 d-inline-flex align-items-center justify-content-center badge bg-warning'>Race Complete</div>\n\n")
-		s.db.SaveHeatResult(heatResult)
 	}
 }