75 lines
1.1 KiB
Go
75 lines
1.1 KiB
Go
package fs
|
|
|
|
import (
|
|
"regexp"
|
|
|
|
"github.com/photoprism/photoprism/pkg/rnd"
|
|
)
|
|
|
|
var DscNameRegexp = regexp.MustCompile("\\D{3}[\\d_]\\d{4}(.JPG)?")
|
|
|
|
// IsInt tests if the file base is an integer number.
|
|
func IsInt(s string) bool {
|
|
if s == "" {
|
|
return false
|
|
}
|
|
|
|
for _, r := range s {
|
|
if r < 48 || r > 57 {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// IsAsciiID tests if the string is a file name that only contains uppercase ascii letters and numbers like "IQVG4929".
|
|
func IsAsciiID(s string) bool {
|
|
if s == "" {
|
|
return false
|
|
}
|
|
|
|
for _, r := range s {
|
|
if (r < 65 || r > 90) && (r < 48 || r > 57) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// IsID tests if the file name looks like an automatically created identifier.
|
|
func IsID(fileName string) bool {
|
|
if fileName == "" {
|
|
return false
|
|
}
|
|
|
|
base := Base(fileName, false)
|
|
|
|
if IsHash(base) {
|
|
return true
|
|
}
|
|
|
|
if IsInt(base) {
|
|
return true
|
|
}
|
|
|
|
if dsc := DscNameRegexp.FindString(base); dsc == base {
|
|
return true
|
|
}
|
|
|
|
if rnd.IsUID(base, 0) {
|
|
return true
|
|
}
|
|
|
|
if IsCanonical(base) {
|
|
return true
|
|
}
|
|
|
|
if IsAsciiID(base) {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|