photoprism/pkg/sanitize/state.go

50 lines
1.1 KiB
Go

package sanitize
import (
"strings"
"unicode"
"github.com/photoprism/photoprism/pkg/txt"
)
// State returns the full, normalized state name.
func State(stateName, countryCode string) string {
// Remove whitespace from name.
stateName = strings.TrimSpace(stateName)
// Empty?
if stateName == "" || stateName == txt.UnknownStateCode {
// State doesn't have a name.
return ""
}
// Remove non-printable and other potentially problematic characters.
stateName = strings.Map(func(r rune) rune {
if !unicode.IsPrint(r) {
return -1
}
switch r {
case '~', '\\', ':', '|', '"', '?', '*', '<', '>', '{', '}':
return -1
default:
return r
}
}, stateName)
// Normalize country code.
countryCode = strings.ToLower(strings.TrimSpace(countryCode))
// Is the name an abbreviation that should be normalized?
if states, found := txt.StatesByCountry[countryCode]; !found {
// Unknown country.
} else if normalized, found := states[stateName]; !found {
// Unknown abbreviation.
} else if normalized != "" {
// Yes, use normalized name.
stateName = normalized
}
// Return normalized state name.
return stateName
}