Method _update_file

rust-core/src/storage/incremental.rs:97–145

更新文件元数据

(
        &mut self,
        file_path: &PathBuf,
        current_md5: &str,
        entity_graph: &mut EntityGraph,
        call_graph: &mut PetCodeGraph,
    )

    /// 更新文件元数据
    fn _update_file(
        &mut self,
        file_path: &PathBuf,
        current_md5: &str,
        entity_graph: &mut EntityGraph,
        call_graph: &mut PetCodeGraph,
    ) -> Result<(), String> {
        // 1. 移除旧的实体和函数
        self._remove_file_entities(file_path, entity_graph, call_graph);

        // 2. 解析文件，提取新的实体和函数
        let (classes, functions) = self._extract_entities_from_file(file_path)?;

        // 3. 添加到图中
        let class_ids: Vec<Uuid> = classes.iter().map(|c| c.id).collect();
        let function_ids: Vec<Uuid> = functions.iter().map(|f| f.id).collect();

        for class in classes {
            entity_graph.add_class(class);
        }

        for function in functions {
            call_graph.add_function(function);
        }

        // 4. 分析调用关系
        self._analyze_file_calls(file_path, &function_ids, call_graph)?;

        // 5. 更新索引
        self.file_index.rebuild_for_file(file_path, class_ids.clone(), function_ids.clone());

        // 6. 更新代码片段索引
        self._update_snippet_index(file_path, &class_ids, &function_ids)?;

        // 7. 更新文件元数据
        let metadata = FileMetadata {
            path: file_path.clone(),
            md5: current_md5.to_string(),
            last_updated: Utc::now(),
            file_size: fs::metadata(file_path)
                .map(|m| m.len())
                .unwrap_or(0),
            language: self._detect_language(file_path),
        };
        self.file_metadata.insert(file_path.clone(), metadata);

        info!("Successfully updated file: {}", file_path.display());
        Ok(())
    }

    /// 从文件提取实体
    fn _extract_entities_from_file(&self, file_path: &PathBuf) -> Result<(Vec<ClassInfo>, Vec<FunctionInfo>), String> {