72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package common
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import (
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"errors"
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"os"
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"path/filepath"
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"time"
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"github.com/krau/SaveAny-Bot/logger"
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)
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// 创建文件, 自动创建目录
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func MkFile(path string, data []byte) error {
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err := os.MkdirAll(filepath.Dir(path), os.ModePerm)
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if err != nil {
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return err
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}
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return os.WriteFile(path, data, os.ModePerm)
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}
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func FileExists(path string) bool {
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_, err := os.Stat(path)
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return err == nil
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}
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// 删除文件, 并清理空目录. 如果文件不存在则返回 nil
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func PurgeFile(path string) error {
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if err := os.Remove(path); err != nil {
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if !errors.Is(err, os.ErrNotExist) {
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return err
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}
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}
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return RemoveEmptyDirectories(filepath.Dir(path))
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}
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// 递归删除空目录
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func RemoveEmptyDirectories(dirPath string) error {
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entries, err := os.ReadDir(dirPath)
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if err != nil {
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return err
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}
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if len(entries) == 0 {
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err := os.Remove(dirPath)
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if err != nil {
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return err
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}
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return RemoveEmptyDirectories(filepath.Dir(dirPath))
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}
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return nil
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}
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// 在指定时间后删除和清理文件 (定时器)
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func PurgeFileAfter(path string, td time.Duration) {
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_, err := os.Stat(path)
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if err != nil {
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logger.L.Errorf("Failed to create timer for %s: %s", path, err)
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return
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}
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logger.L.Debugf("Purge file after %s: %s", td, path)
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time.AfterFunc(td, func() {
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PurgeFile(path)
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})
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}
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func MkCache(path string, data []byte, td time.Duration) {
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if err := MkFile(path, data); err != nil {
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logger.L.Errorf("failed to save cache file: %s", err)
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} else {
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go PurgeFileAfter(path, td)
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}
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}
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