feat: implement WYSIWYG markdown editor with Go backend and React frontend

backend/internal/server/server.go

@@ -0,0 +1,90 @@
+package server
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+
+	"markdown-editor/internal/handlers"
+	"markdown-editor/internal/logger"
+	"markdown-editor/internal/storage"
+	"github.com/gorilla/mux"
+	"github.com/sirupsen/logrus"
+)
+
+type Server struct {
+	logger    *logrus.Logger
+	storage   storage.Storage
+	handlers  *handlers.Handlers
+	router    *mux.Router
+	server    *http.Server
+	dataDir   string
+	port      int
+	host      string
+}
+
+func StartServer(dataDir string, port int, host string) error {
+	log := logger.NewLogger()
+	log.Info("Starting markdown editor server")
+
+	// Initialize storage
+	storage, err := storage.NewFileStorage(dataDir)
+	if err != nil {
+		log.Errorf("Failed to initialize storage: %v", err)
+		return err
+	}
+
+	// Initialize handlers
+	handlers := handlers.NewHandlers(log, storage)
+
+	// Create server
+	s := &Server{
+		logger:  log,
+		storage: storage,
+		handlers: handlers,
+		dataDir: dataDir,
+		port:    port,
+		host:    host,
+	}
+
+	// Setup routes
+	s.setupRoutes()
+
+	// Start server
+	s.logger.Infof("Server starting on %s:%d", host, port)
+	return s.serve()
+}
+
+func (s *Server) setupRoutes() {
+	s.router = mux.NewRouter()
+
+	// API routes
+	apiRouter := s.router.PathPrefix("/api").Subrouter()
+	apiRouter.Handle("/files", s.handlers.ListFiles()).Methods("GET")
+	apiRouter.Handle("/files", s.handlers.CreateFile()).Methods("POST")
+	apiRouter.Handle("/files/{filename}", s.handlers.GetFile()).Methods("GET")
+	apiRouter.Handle("/files/{filename}", s.handlers.UpdateFile()).Methods("PUT")
+	apiRouter.Handle("/files/{filename}", s.handlers.DeleteFile()).Methods("DELETE")
+
+	// Static file serving
+	frontendDir := "frontend/build"
+	if frontendDirEnv := os.Getenv("FRONTEND_BUILD_DIR"); frontendDirEnv != "" {
+		frontendDir = frontendDirEnv
+	}
+	s.router.PathPrefix("/").Handler(http.FileServer(http.Dir(frontendDir)))
+}
+
+func (s *Server) serve() error {
+	s.server = &http.Server{
+		Addr:    fmt.Sprintf("%s:%d", s.host, s.port),
+		Handler: s.router,
+	}
+
+	return s.server.ListenAndServe()
+}
+
+func (s *Server) Shutdown(ctx context.Context) error {
+	s.logger.Info("Shutting down server...")
+	return s.server.Shutdown(ctx)
+}