Frontend first draft

frontend/pshared/lib/provider/locale.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import 'package:pshared/config/constants.dart';
+
+
+class LocaleProvider with ChangeNotifier {
+  Locale _locale = Constants.defaultLocale;
+
+  Locale stringToLocale(String localeString) {
+    var parts = localeString.split(RegExp(r'[-_]'));
+    return (parts.length > 1) ? Locale(parts[0], parts[1]) : Locale(parts[0]);
+  }
+
+  LocaleProvider(String? localeCode) {
+    if (localeCode != null) {
+      _locale = stringToLocale(localeCode);
+    }
+  }
+
+  Locale get locale => _locale;
+
+  void setLocale(Locale locale) {
+    if (_locale == locale) return;
+
+    _locale = locale;
+    notifyListeners();
+  }
+}
+