added multiple method support for routes

hws/routes.go

@@ -4,11 +4,15 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"slices"
 )
 
 type Route struct {
-	Path    string       // Absolute path to the requested resource
-	Method  Method       // HTTP Method
+	Path   string // Absolute path to the requested resource
+	Method Method // HTTP Method
+	// Methods is an optional slice of Methods to use, if more than one can use the same handler.
+	// Will take precedence over the Method field if provided
+	Methods []Method
 	Handler http.Handler // Handler to use for the request
 }
 
@@ -28,21 +32,33 @@ const (
 
 // Server.AddRoutes registers the page handlers for the server.
 // At least one route must be provided.
+// If any route patterns (path + method) are defined multiple times, the first
+// instance will be added and any additional conflicts will be discarded.
 func (server *Server) AddRoutes(routes ...Route) error {
 	if len(routes) == 0 {
 		return errors.New("No routes provided")
 	}
+	patterns := []string{}
 	mux := http.NewServeMux()
 	mux.HandleFunc("GET /healthz", func(http.ResponseWriter, *http.Request) {})
 	for _, route := range routes {
-		if !validMethod(route.Method) {
-			return fmt.Errorf("Invalid method %s for path %s", route.Method, route.Path)
+		if len(route.Methods) == 0 {
+			route.Methods = []Method{route.Method}
 		}
-		if route.Handler == nil {
-			return fmt.Errorf("No handler provided for %s %s", route.Method, route.Path)
+		for _, method := range route.Methods {
+			if !validMethod(method) {
+				return fmt.Errorf("Invalid method %s for path %s", method, route.Path)
+			}
+			if route.Handler == nil {
+				return fmt.Errorf("No handler provided for %s %s", method, route.Path)
+			}
+			pattern := fmt.Sprintf("%s %s", method, route.Path)
+			if slices.Contains(patterns, pattern) {
+				continue
+			}
+			patterns = append(patterns, pattern)
+			mux.Handle(pattern, route.Handler)
 		}
-		pattern := fmt.Sprintf("%s %s", route.Method, route.Path)
-		mux.Handle(pattern, route.Handler)
 	}
 
 	server.server.Handler = mux