55 lines
799 B
Go
55 lines
799 B
Go
package photoprism
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import (
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"math/rand"
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"time"
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"os/user"
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"path/filepath"
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"os"
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"crypto/md5"
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"io"
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)
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func GetRandomInt(min, max int) int {
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rand.Seed(time.Now().Unix())
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return rand.Intn(max-min) + min
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}
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func GetExpandedFilename(filename string) string {
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usr, _ := user.Current()
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dir := usr.HomeDir
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if filename[:2] == "~/" {
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filename = filepath.Join(dir, filename[2:])
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}
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result, _ := filepath.Abs(filename)
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return result
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}
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func FileExists (filename string) bool {
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_, err := os.Stat(filename)
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return err == nil
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}
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func Md5Sum (filename string) []byte {
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var result []byte
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file, err := os.Open(filename)
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if err != nil {
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return result
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}
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defer file.Close()
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hash := md5.New()
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if _, err := io.Copy(hash, file); err != nil {
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return result
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}
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return hash.Sum(result)
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} |