Method EnsureDataFiles

internal/data/downloader.go:42–83

EnsureDataFiles 确保所有数据文件存在且最新

()

// EnsureDataFiles 确保所有数据文件存在且最新
func (d *Downloader) EnsureDataFiles() error {
	printTimestampedMessage("检查数据文件...")
	
	// 定义需要下载的文件
	files := []DataFile{
		{
			Name:      "cdn_keywords.txt",
			URL:       "https://raw.githubusercontent.com/V2RaySSR/RealityChecker/main/data/cdn_keywords.txt",
			LocalPath: "data/cdn_keywords.txt",
		},
		{
			Name:      "hot_websites.txt",
			URL:       "https://raw.githubusercontent.com/V2RaySSR/RealityChecker/main/data/hot_websites.txt",
			LocalPath: "data/hot_websites.txt",
		},
		{
			Name:      "gfwlist.conf",
			URL:       "https://raw.githubusercontent.com/Loyalsoldier/clash-rules/release/gfw.txt",
			LocalPath: "data/gfwlist.conf",
		},
		{
			Name:      "Country.mmdb",
			URL:       "https://github.com/Loyalsoldier/geoip/releases/latest/download/Country.mmdb",
			LocalPath: "data/Country.mmdb",
		},
	}

	// 确保data目录存在
	if err := os.MkdirAll("data", 0755); err != nil {
		return fmt.Errorf("创建data目录失败: %v", err)
	}

	// 检查并下载每个文件
	for _, file := range files {
		if err := d.ensureFile(file); err != nil {
			return err
		}
	}

	printTimestampedMessage("数据文件检查完成。")
	return nil
}

// ensureFile 确保单个文件存在且最新
func (d *Downloader) ensureFile(file DataFile) error {