136 lines
3.2 KiB
Go
136 lines
3.2 KiB
Go
package util
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import (
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"regexp"
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"runtime"
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log "github.com/sirupsen/logrus"
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)
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// FindFilesWithPatterns 在指定目录下查找匹配多个正则表达式的文件
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// directory: 要搜索的目录路径
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// patterns: 正则表达式模式列表
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// recursive: 是否递归搜索子目录
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// 返回匹配的文件路径列表和可能的错误
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func FindFilesWithPatterns(directory string, pattern string, recursive bool) ([]string, error) {
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// 编译所有正则表达式
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re, err := regexp.Compile(pattern)
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if err != nil {
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return nil, fmt.Errorf("无效的正则表达式 '%s': %v", pattern, err)
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}
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// 检查目录是否存在
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dirInfo, err := os.Stat(directory)
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if err != nil {
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return nil, fmt.Errorf("无法访问目录 '%s': %v", directory, err)
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}
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if !dirInfo.IsDir() {
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return nil, fmt.Errorf("'%s' 不是一个目录", directory)
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}
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// 存储匹配的文件路径
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var matchedFiles []string
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// 创建文件系统
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fsys := os.DirFS(directory)
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// 遍历文件系统
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err = fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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// 如果是目录且不递归，则跳过子目录
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if d.IsDir() {
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if !recursive && path != "." {
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return fs.SkipDir
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}
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return nil
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}
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// 检查文件名是否匹配任何一个正则表达式
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if re.MatchString(d.Name()) {
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// 添加完整路径到结果列表
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fullPath := filepath.Join(directory, path)
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matchedFiles = append(matchedFiles, fullPath)
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}
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return nil
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})
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if err != nil {
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return nil, fmt.Errorf("遍历目录时出错: %v", err)
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}
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return matchedFiles, nil
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}
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func DefaultWorkDir(account string) string {
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if len(account) == 0 {
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switch runtime.GOOS {
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case "windows":
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return filepath.Join(os.ExpandEnv("${USERPROFILE}"), "Documents", "chatlog")
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case "darwin":
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return filepath.Join(os.ExpandEnv("${HOME}"), "Documents", "chatlog")
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default:
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return filepath.Join(os.ExpandEnv("${HOME}"), "chatlog")
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}
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}
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switch runtime.GOOS {
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case "windows":
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return filepath.Join(os.ExpandEnv("${USERPROFILE}"), "Documents", "chatlog", account)
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case "darwin":
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return filepath.Join(os.ExpandEnv("${HOME}"), "Documents", "chatlog", account)
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default:
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return filepath.Join(os.ExpandEnv("${HOME}"), "chatlog", account)
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}
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}
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func GetDirSize(dir string) string {
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var size int64
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filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if err == nil {
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size += info.Size()
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}
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return nil
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})
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return ByteCountSI(size)
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}
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func ByteCountSI(b int64) string {
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const unit = 1000
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if b < unit {
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return fmt.Sprintf("%d B", b)
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}
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div, exp := int64(unit), 0
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for n := b / unit; n >= unit; n /= unit {
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div *= unit
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exp++
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}
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return fmt.Sprintf("%.1f %cB",
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float64(b)/float64(div), "kMGTPE"[exp])
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}
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// PrepareDir ensures that the specified directory path exists.
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// If the directory does not exist, it attempts to create it.
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func PrepareDir(path string) error {
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stat, err := os.Stat(path)
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if err != nil {
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if os.IsNotExist(err) {
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if err := os.MkdirAll(path, 0755); err != nil {
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return err
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}
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} else {
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return err
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}
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} else if !stat.IsDir() {
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log.Debugf("%s is not a directory", path)
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return fmt.Errorf("%s is not a directory", path)
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}
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return nil
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}
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