photoprism/pkg/fs/base.go
Michael Mayer bfd73932e5 Improve UX and title generation from file names
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-06-29 11:10:24 +02:00

56 lines
1.5 KiB
Go

package fs
import (
"path/filepath"
"strconv"
"strings"
)
// Base returns the filename base without any extensions and path.
func Base(fileName string, stripSequence bool) string {
basename := filepath.Base(fileName)
// Strip file type extension.
if end := strings.LastIndex(basename, "."); end != -1 {
basename = basename[:end]
}
if !stripSequence {
return basename
}
// Strip numeric extensions like .00000, .00001, .4542353245,.... (at least 5 digits).
if dot := strings.LastIndex(basename, "."); dot != -1 && len(basename[dot+1:]) >= 5 {
if i, err := strconv.Atoi(basename[dot+1:]); err == nil && i >= 0 {
basename = basename[:dot]
}
}
// Other common sequential naming schemes.
if end := strings.Index(basename, "("); end != -1 {
// Copies created by Chrome & Windows, example: IMG_1234 (2).
basename = basename[:end]
} else if end := strings.Index(basename, " copy"); end != -1 {
// Copies created by OS X, example: IMG_1234 copy 2.
basename = basename[:end]
}
basename = strings.TrimSpace(basename)
return basename
}
// RelBase returns the relative filename.
func RelBase(fileName, dir string, stripSequence bool) string {
if name := Rel(fileName, dir); name != "" {
return AbsBase(name, stripSequence)
}
return Base(fileName, stripSequence)
}
// AbsBase returns the directory and base filename without any extensions.
func AbsBase(fileName string, stripSequence bool) string {
return filepath.Join(filepath.Dir(fileName), Base(fileName, stripSequence))
}