import 'package:flutter/material.dart'; enum OnlineStatus { offline, invisible, away, busy, online; static final List _colors = [ Colors.transparent, Colors.transparent, Colors.yellow, Colors.red, Colors.green, ]; Color color(BuildContext context) => this == OnlineStatus.offline || this == OnlineStatus.invisible ? Theme.of(context).colorScheme.onSurface : _colors[index]; factory OnlineStatus.fromString(String? text) { return OnlineStatus.values.firstWhere((element) => element.name.toLowerCase() == text?.toLowerCase(), orElse: () => OnlineStatus.online, ); } int compareTo(OnlineStatus other) { if (this == other) return 0; if (this == OnlineStatus.online) return -1; if (other == OnlineStatus.online) return 1; if (this == OnlineStatus.away) return -1; if (other == OnlineStatus.away) return 1; if (this == OnlineStatus.busy) return -1; if (other == OnlineStatus.busy) return 1; return 0; } }