make generate button work maybe

web/server.go

@@ -139,7 +139,7 @@ func (s *Server) routes() {
 
 	// Add heats API routes
 	s.router.Route("/api/heats", func(r chi.Router) {
-		r.Post("/save", s.handleSaveHeats())
+		r.Post("/generate", s.handleGenerateHeats())
 	})
 
 	// Main page
@@ -832,6 +832,64 @@ func (s *Server) handleHeatsContent() http.HandlerFunc {
 	}
 }
 
+// handleGenerateHeats generates heats for a group
+func (s *Server) handleGenerateHeats() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		// Get selected group ID from query parameter
+		groupIDStr := r.URL.Query().Get("group_id")
+		if groupIDStr == "" {
+			http.Error(w, "Group ID is required", http.StatusBadRequest)
+			return
+		}
+
+		groupID, err := strconv.ParseInt(groupIDStr, 10, 64)
+		if err != nil {
+			http.Error(w, "Invalid group ID", http.StatusBadRequest)
+			return
+		}
+
+		// Get racers for the group
+		racers, err := s.db.GetRacersByGroup(groupID)
+		if err != nil {
+			s.logger.Error("Failed to get racers", "error", err)
+			http.Error(w, "Failed to get racers", http.StatusInternalServerError)
+			return
+		}
+
+		// Convert models.Racer to derby.Racer
+		derbyRacers := make([]derby.Racer, len(racers))
+		for i, r := range racers {
+			derbyRacers[i] = derby.Racer{
+				ID:        r.ID,
+				FirstName: r.FirstName,
+				LastName:  r.LastName,
+				CarNumber: r.CarNumber,
+			}
+		}
+
+		// Generate and convert heats
+		derbyHeats := derby.GenerateHeats(derbyRacers)
+		heats := make([]models.Heat, len(derbyHeats))
+		for i, h := range derbyHeats {
+			heats[i] = models.Heat{
+				HeatNum: i + 1,
+				Lane1ID: h.Lane1ID,
+				Lane2ID: h.Lane2ID,
+				Lane3ID: h.Lane3ID,
+				Lane4ID: h.Lane4ID,
+			}
+		}
+		s.db.SaveHeats(groupID, heats)
+
+		// Render template
+		component := templates.HeatsContent(heats, racers, groupID)
+		if err := component.Render(r.Context(), w); err != nil {
+			s.logger.Error("Failed to render heats content", "error", err)
+			http.Error(w, "Failed to render content", http.StatusInternalServerError)
+		}
+	}
+}
+
 // handleSaveHeats saves heats for a group
 func (s *Server) handleSaveHeats() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {

web/templates/heats.templ

@@ -82,7 +82,7 @@ templ HeatsContent(heats []models.Heat, racers []models.Racer, groupID int64) {
                 <button 
                     class="btn btn-primary me-2"
                     hx-post={ "/api/heats/generate?group_id=" + strconv.FormatInt(groupID, 10) }
-                    hx-target="#heats-list"
+                    hx-target="#heats-content"
                     hx-swap="innerHTML"
                 >
                     Regenerate Heats

web/templates/heats_templ.go

@@ -232,7 +232,7 @@ func HeatsContent(heats []models.Heat, racers []models.Racer, groupID int64) tem
 			if templ_7745c5c3_Err != nil {
 				return templ_7745c5c3_Err
 			}
-			templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 18, "\" hx-target=\"#heats-list\" hx-swap=\"innerHTML\">Regenerate Heats</button></div></div>")
+			templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 18, "\" hx-target=\"#heats-content\" hx-swap=\"innerHTML\">Regenerate Heats</button></div></div>")
 			if templ_7745c5c3_Err != nil {
 				return templ_7745c5c3_Err
 			}