OpenContacts/lib/auxiliary.dart
2024-07-15 00:23:04 -04:00

63 lines
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1.8 KiB
Dart

import 'package:OpenContacts/config.dart';
import 'package:flutter/material.dart';
import 'package:path/path.dart' as p;
import 'package:html/parser.dart' as htmlparser;
class Aux {
static String resdbToHttp(String? resdb) {
if (resdb == null || resdb.isEmpty) return "";
if (resdb.startsWith("http")) return resdb;
final filename = p.basenameWithoutExtension(resdb);
return "${Config.skyfrostAssetsUrl}/$filename";
}
}
extension Unique<E, Id> on List<E> {
List<E> unique([Id Function(E element)? id, bool inplace = true]) {
final ids = <Id>{};
var list = inplace ? this : List<E>.from(this);
list.retainWhere((x) => ids.add(id != null ? id(x) : x as Id));
return list;
}
}
extension StringX on String {
String stripHtml() {
final document = htmlparser.parse(this);
return htmlparser.parse(document.body?.text).documentElement?.text ?? "";
}
// This won't be accurate since userIds can't contain certain characters that usernames can
// but it's fine for just having a name to display
String stripUid() => startsWith("U-") ? substring(2) : this;
String? get asNullable => isEmpty ? null : this;
}
extension Format on Duration {
String format() {
final hh = (inHours).toString().padLeft(2, '0');
final mm = (inMinutes % 60).toString().padLeft(2, '0');
final ss = (inSeconds % 60).toString().padLeft(2, '0');
if (inHours == 0) {
return "$mm:$ss";
} else {
return "$hh:$mm:$ss";
}
}
}
extension DateTimeX on DateTime {
static DateTime epoch = DateTime.fromMillisecondsSinceEpoch(0);
static DateTime one = DateTime(1);
}
extension ColorX on Color {
Color invert() {
final r = 255 - red;
final g = 255 - green;
final b = 255 - blue;
return Color.fromARGB((opacity * 255).round(), r, g, b);
}
}