twonly-app/lib/src/utils/misc.dart
2025-11-06 00:23:29 +01:00

364 lines
10 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'package:gal/gal.dart';
import 'package:intl/intl.dart';
import 'package:libsignal_protocol_dart/libsignal_protocol_dart.dart';
import 'package:local_auth/local_auth.dart';
import 'package:provider/provider.dart';
import 'package:twonly/src/database/tables/mediafiles.table.dart';
import 'package:twonly/src/database/tables/messages.table.dart';
import 'package:twonly/src/database/twonly.db.dart';
import 'package:twonly/src/localization/generated/app_localizations.dart';
import 'package:twonly/src/model/protobuf/api/websocket/error.pb.dart';
import 'package:twonly/src/providers/settings.provider.dart';
import 'package:twonly/src/utils/log.dart';
import 'package:twonly/src/utils/misc.dart';
extension ShortCutsExtension on BuildContext {
AppLocalizations get lang => AppLocalizations.of(this)!;
TwonlyDB get db => Provider.of<TwonlyDB>(this);
ColorScheme get color => Theme.of(this).colorScheme;
}
Future<String?> saveImageToGallery(Uint8List imageBytes) async {
final jpgImages = await FlutterImageCompress.compressWithList(
// ignore: avoid_redundant_argument_values
format: CompressFormat.jpeg,
imageBytes,
quality: 100,
);
final hasAccess = await Gal.hasAccess();
if (!hasAccess) {
await Gal.requestAccess();
}
try {
await Gal.putImageBytes(jpgImages);
return null;
} on GalException catch (e) {
return e.type.message;
}
}
Future<String?> saveVideoToGallery(String videoPath) async {
final hasAccess = await Gal.hasAccess();
if (!hasAccess) {
await Gal.requestAccess();
}
try {
await Gal.putVideo(videoPath);
return null;
} on GalException catch (e) {
return e.type.message;
}
}
Uint8List getRandomUint8List(int length) {
final random = Random.secure();
final randomBytes = Uint8List(length);
for (var i = 0; i < length; i++) {
randomBytes[i] = random.nextInt(256); // Generate a random byte (0-255)
}
return randomBytes;
}
const _chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890';
Random _rnd = Random();
String getRandomString(int length) => String.fromCharCodes(
Iterable.generate(
length,
(_) => _chars.codeUnitAt(_rnd.nextInt(_chars.length)),
),
);
String errorCodeToText(BuildContext context, ErrorCode code) {
// ignore: exhaustive_cases
switch (code) {
case ErrorCode.InternalError:
return context.lang.errorInternalError;
case ErrorCode.InvalidInvitationCode:
return context.lang.errorInvalidInvitationCode;
case ErrorCode.UsernameAlreadyTaken:
return context.lang.errorUsernameAlreadyTaken;
case ErrorCode.UsernameNotValid:
return context.lang.errorUsernameNotValid;
case ErrorCode.NotEnoughCredit:
return context.lang.errorNotEnoughCredit;
case ErrorCode.PlanLimitReached:
return context.lang.errorPlanLimitReached;
case ErrorCode.PlanNotAllowed:
return context.lang.errorPlanNotAllowed;
case ErrorCode.VoucherInValid:
return context.lang.errorVoucherInvalid;
case ErrorCode.PlanUpgradeNotYearly:
return context.lang.errorPlanUpgradeNotYearly;
}
return code.toString();
}
String formatDuration(BuildContext context, int seconds) {
if (seconds < 60) {
return '$seconds ${context.lang.durationShortSecond}';
} else if (seconds < 3600) {
final minutes = seconds ~/ 60;
return '$minutes ${context.lang.durationShortMinute}';
} else if (seconds < 86400) {
final hours = seconds ~/ 3600;
return '$hours ${context.lang.durationShortHour}';
} else {
final days = seconds ~/ 86400;
return context.lang.durationShortDays(days);
}
}
InputDecoration getInputDecoration(BuildContext context, String hintText) {
final primaryColor = Theme.of(context).colorScheme.primary;
return InputDecoration(
hintText: hintText,
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(9),
borderSide: BorderSide(color: primaryColor),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(color: Theme.of(context).colorScheme.outline),
),
contentPadding: const EdgeInsets.symmetric(vertical: 15, horizontal: 20),
);
}
Future<Uint8List?> getCompressedImage(Uint8List imageBytes) async {
final result = await FlutterImageCompress.compressWithList(
imageBytes,
quality: 90,
);
return result;
}
Future<bool> authenticateUser(
String localizedReason, {
bool force = true,
}) async {
try {
final auth = LocalAuthentication();
final didAuthenticate = await auth.authenticate(
localizedReason: localizedReason,
);
if (didAuthenticate) {
return true;
}
} on LocalAuthException catch (e) {
Log.error(e.toString());
if (!force) {
return true;
}
}
return false;
}
Uint8List intToBytes(int value) {
final byteData = ByteData(4)..setInt32(0, value);
return byteData.buffer.asUint8List();
}
int bytesToInt(Uint8List bytes) {
final byteData = ByteData.sublistView(bytes);
return byteData.getInt32(0);
}
List<Uint8List>? removeLastXBytes(Uint8List original, int count) {
if (original.length < count) {
return null;
}
final newList = Uint8List(original.length - count)
..setAll(0, original.sublist(0, original.length - count));
final lastXBytes = original.sublist(original.length - count);
return [newList, lastXBytes];
}
bool isDarkMode(BuildContext context) {
final selectedTheme = context.read<SettingsChangeProvider>().themeMode;
final isDarkMode =
MediaQuery.of(context).platformBrightness == Brightness.dark;
return selectedTheme == ThemeMode.dark ||
(selectedTheme == ThemeMode.system && isDarkMode);
}
bool isToday(DateTime lastImageSend) {
final now = DateTime.now();
return lastImageSend.year == now.year &&
lastImageSend.month == now.month &&
lastImageSend.day == now.day;
}
InputDecoration inputTextMessageDeco(BuildContext context) {
return InputDecoration(
hintText: context.lang.chatListDetailInput,
contentPadding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(20),
borderSide:
BorderSide(color: Theme.of(context).colorScheme.primary, width: 2),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(20),
borderSide:
BorderSide(color: Theme.of(context).colorScheme.primary, width: 2),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(20),
borderSide: const BorderSide(color: Colors.grey, width: 2),
),
);
}
String truncateString(String input, {int maxLength = 20}) {
if (input.length > maxLength) {
return '${input.substring(0, maxLength)}...';
}
return input;
}
String formatDateTime(BuildContext context, DateTime? dateTime) {
if (dateTime == null) {
return 'Never';
}
final now = DateTime.now();
final difference = now.difference(dateTime);
final date = DateFormat.yMd(Localizations.localeOf(context).toLanguageTag())
.format(dateTime);
final time = DateFormat.Hm(Localizations.localeOf(context).toLanguageTag())
.format(dateTime);
if (difference.inDays == 0) {
return time;
} else {
return '$time $date';
}
}
String formatBytes(int bytes, {int decimalPlaces = 2}) {
if (bytes <= 0) return '0 Bytes';
const units = <String>['Bytes', 'KB', 'MB', 'GB', 'TB'];
final unitIndex = (log(bytes) / log(1000)).floor();
final formattedSize = bytes / pow(1000, unitIndex);
return '${formattedSize.toStringAsFixed(decimalPlaces)} ${units[unitIndex]}';
}
bool isUUIDNewer(String uuid1, String uuid2) {
try {
final timestamp1 = int.parse(uuid1.substring(0, 8), radix: 16);
final timestamp2 = int.parse(uuid2.substring(0, 8), radix: 16);
return timestamp1 > timestamp2;
} catch (e) {
Log.error(e);
return true;
}
}
String uint8ListToHex(List<int> bytes) {
return bytes.map((byte) => byte.toRadixString(16).padLeft(2, '0')).join();
}
Uint8List hexToUint8List(String hex) => Uint8List.fromList(
List<int>.generate(
hex.length ~/ 2,
(i) => int.parse(hex.substring(i * 2, i * 2 + 2), radix: 16),
),
);
Color getMessageColorFromType(
Message message,
MediaFile? mediaFile,
BuildContext context,
) {
Color color;
if (message.type == MessageType.text) {
color = Colors.blueAccent;
} else if (mediaFile != null) {
if (mediaFile.requiresAuthentication) {
color = context.color.primary;
} else {
if (mediaFile.type == MediaType.video) {
color = const Color.fromARGB(255, 243, 33, 208);
} else {
color = Colors.redAccent;
}
}
} else {
return (isDarkMode(context)) ? Colors.white : Colors.black;
}
return color;
}
String getUUIDforDirectChat(int a, int b) {
if (a < 0 || b < 0) {
throw ArgumentError('Inputs must be non-negative integers.');
}
if (a > integerMax || b > integerMax) {
throw ArgumentError('Inputs must be <= 0x7fffffff.');
}
// Mask to 64 bits in case inputs exceed 64 bits
final mask64 = (BigInt.one << 64) - BigInt.one;
final ai = BigInt.from(a) & mask64;
final bi = BigInt.from(b) & mask64;
// Ensure the bigger integer is in front (high 64 bits)
final hi = ai >= bi ? ai : bi;
final lo = ai >= bi ? bi : ai;
final combined = (hi << 64) | lo;
final hex = combined.toRadixString(16).padLeft(32, '0');
final parts = [
hex.substring(0, 8),
hex.substring(8, 12),
hex.substring(12, 16),
hex.substring(16, 20),
hex.substring(20, 32),
];
return parts.join('-');
}
String friendlyDateTime(
BuildContext context,
DateTime dt, {
bool includeSeconds = false,
Locale? locale,
}) {
// Build date part
final datePart =
DateFormat.yMd(Localizations.localeOf(context).toString()).format(dt);
final use24Hour = MediaQuery.of(context).alwaysUse24HourFormat;
var timePart = '';
if (use24Hour) {
timePart =
DateFormat.jm(Localizations.localeOf(context).toString()).format(dt);
} else {
timePart =
DateFormat.Hm(Localizations.localeOf(context).toString()).format(dt);
}
return '$timePart $datePart';
}
String getAvatarSvg(Uint8List avatarSvgCompressed) {
final raw = gzip.decode(avatarSvgCompressed);
return utf8.decode(raw);
}