Initial backend api

backend/internal/api/handlers.go

@@ -0,0 +1,36 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+
+	"novamd/internal/filesystem"
+)
+
+func ListFiles(fs *filesystem.FileSystem) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		files, err := fs.ListFilesRecursively()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(files)
+	}
+}
+
+func GetFileContent(fs *filesystem.FileSystem) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/files/")
+		content, err := fs.GetFileContent(filePath)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+
+		w.Header().Set("Content-Type", "text/plain")
+		w.Write(content)
+	}
+}