getWilayaName method
Returns String? object
this method take language (FR or AR) as parameter
and return wilaya name of the commune
Implementation
String? getWilayaName(Language lang) {
if (lang == Language.AR) {
return data!['wilaya_name'];
} else if (lang == Language.FR) {
return data!['wilaya_name_ascii'];
//for additional languages
} else
return data!['wilaya_name_ascii'];
}