photoprism/pkg/txt/convert.go
2021-06-02 17:25:04 +02:00

38 lines
714 B
Go

package txt
import (
"regexp"
"strings"
)
var UnknownCountryCode = "zz"
var CountryWordsRegexp = regexp.MustCompile("[\\p{L}]{2,}")
// CountryCode tries to find a matching country code for a given string e.g. from a file oder directory name.
func CountryCode(s string) (code string) {
code = UnknownCountryCode
if s == "" || s == UnknownCountryCode {
return code
}
words := CountryWordsRegexp.FindAllString(s, -1)
for i, w := range words {
if i < len(words)-1 {
search := strings.ToLower(w + " " + words[i+1])
if match, ok := Countries[search]; ok {
return match
}
}
search := strings.ToLower(w)
if match, ok := Countries[search]; ok {
code = match
}
}
return code
}