fix: resolve cyclop, funlen issues by extracting helper methods

internal/server/routes.go

@@ -65,34 +65,38 @@ func (s *Server) SetupRoutes() {
 		r.Get("/channels/{channel}/members", s.h.HandleChannelMembers())
 	})
 
-	// Serve embedded SPA
+	s.setupSPA()
+}
+
+func (s *Server) setupSPA() {
 	distFS, err := fs.Sub(web.Dist, "dist")
 	if err != nil {
 		s.log.Error("failed to get web dist filesystem", "error", err)
-	} else {
-		fileServer := http.FileServer(http.FS(distFS))
 
-		s.router.Get("/*", func(w http.ResponseWriter, r *http.Request) {
-			readFS, ok := distFS.(fs.ReadFileFS)
-			if !ok {
-				http.Error(w, "internal error", http.StatusInternalServerError)
-
-				return
-			}
-
-			// Try to serve the file; if not found, serve index.html for SPA routing
-			f, err := readFS.ReadFile(r.URL.Path[1:])
-			if err != nil || len(f) == 0 {
-				indexHTML, _ := readFS.ReadFile("index.html")
-
-				w.Header().Set("Content-Type", "text/html; charset=utf-8")
-				w.WriteHeader(http.StatusOK)
-				_, _ = w.Write(indexHTML)
-
-				return
-			}
-
-			fileServer.ServeHTTP(w, r)
-		})
+		return
 	}
+
+	fileServer := http.FileServer(http.FS(distFS))
+
+	s.router.Get("/*", func(w http.ResponseWriter, r *http.Request) {
+		readFS, ok := distFS.(fs.ReadFileFS)
+		if !ok {
+			http.Error(w, "internal error", http.StatusInternalServerError)
+
+			return
+		}
+
+		f, err := readFS.ReadFile(r.URL.Path[1:])
+		if err != nil || len(f) == 0 {
+			indexHTML, _ := readFS.ReadFile("index.html")
+
+			w.Header().Set("Content-Type", "text/html; charset=utf-8")
+			w.WriteHeader(http.StatusOK)
+			_, _ = w.Write(indexHTML)
+
+			return
+		}
+
+		fileServer.ServeHTTP(w, r)
+	})
 }