Add file save and delete api endpoints

backend/internal/api/handlers.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"encoding/json"
+	"io"
 	"net/http"
 	"strings"
 
@@ -34,3 +35,37 @@ func GetFileContent(fs *filesystem.FileSystem) http.HandlerFunc {
 		w.Write(content)
 	}
 }
+
+func SaveFile(fs *filesystem.FileSystem) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/files/")
+		content, err := io.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, "Failed to read request body", http.StatusBadRequest)
+			return
+		}
+
+		err = fs.SaveFile(filePath, content)
+		if err != nil {
+			http.Error(w, "Failed to save file", http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("File saved successfully"))
+	}
+}
+
+func DeleteFile(fs *filesystem.FileSystem) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		filePath := strings.TrimPrefix(r.URL.Path, "/api/v1/files/")
+		err := fs.DeleteFile(filePath)
+		if err != nil {
+			http.Error(w, "Failed to delete file", http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("File deleted successfully"))
+	}
+}