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matrix-dart-sdk
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refactor: prepare null safefy for user.dart 

With this commit, the migration tool needs to do 8 fewer changes.
This commit is contained in:
Lukas Lihotzki 2021-10-08 12:12:11 +02:00 committed by Nicolas Werner
parent f811e45102
commit 3130139bde
1 changed files with 29 additions and 31 deletions
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60
lib/src/user.dart
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@ -31,13 +31,13 @@ class User extends Event {
String avatarUrl,
Room room,
}) {
final content = <String, String>{};
if (membership != null) content['membership'] = membership;
if (displayName != null) content['displayname'] = displayName;
if (avatarUrl != null) content['avatar_url'] = avatarUrl;
return User.fromState(
stateKey: id,
content: content,
content: {
if (membership != null) 'membership': membership,
if (displayName != null) 'displayname': displayName,
if (avatarUrl != null) 'avatar_url': avatarUrl,
},
typeKey: EventTypes.RoomMember,
roomId: room?.id,
room: room,
@ -112,9 +112,11 @@ class User extends Event {
}) {
formatLocalpart ??= room?.client?.formatLocalpart ?? true;
mxidLocalPartFallback ??= room?.client?.mxidLocalPartFallback ?? true;
if (displayName?.isNotEmpty ?? false) {
final displayName = this.displayName;
if (displayName != null && displayName.isNotEmpty) {
return displayName;
}
final stateKey = this.stateKey;
if (stateKey != null && mxidLocalPartFallback) {
if (!formatLocalpart) {
return stateKey.localpart;
@ -175,18 +177,18 @@ class User extends Event {
// if the displayname has [ or ] or : we can't build our more fancy stuff, so fall back to the id
// [] is used for the delimitors
// If we allowed : we could get collissions with the mxid fallbacks
if ((displayName?.isEmpty ?? true) ||
{'[', ']', ':'}.any((c) => displayName.contains(c))) {
final displayName = this.displayName;
if (displayName == null ||
displayName.isEmpty ||
{'[', ']', ':'}.any(displayName.contains)) {
return id;
}
var identifier = '@';
// if we have non-word characters we need to surround with []
if (!RegExp(r'^\w+$').hasMatch(displayName)) {
identifier += '[$displayName]';
} else {
identifier += displayName;
}
final identifier = '@' +
// if we have non-word characters we need to surround with []
(RegExp(r'^\w+$').hasMatch(displayName)
? displayName
: '[$displayName]');
// get all the users with the same display name
final allUsersWithSameDisplayname = room.getParticipants();
@ -209,26 +211,22 @@ class User extends Event {
/// Get the mention fragments for this user.
Set<String> get mentionFragments {
if ((displayName?.isEmpty ?? true) ||
{'[', ']', ':'}.any((c) => displayName.contains(c))) {
final displayName = this.displayName;
if (displayName == null ||
displayName.isEmpty ||
{'[', ']', ':'}.any(displayName.contains)) {
return {};
}
var identifier = '@';
// if we have non-word characters we need to surround with []
if (!RegExp(r'^\w+$').hasMatch(displayName)) {
identifier += '[$displayName]';
} else {
identifier += displayName;
}
final identifier = '@' +
// if we have non-word characters we need to surround with []
(RegExp(r'^\w+$').hasMatch(displayName)
? displayName
: '[$displayName]');
final hash = _hash(id);
return {identifier, '$identifier#$hash'};
}
}
String _hash(String s) {
var number = 0;
for (var i = 0; i < s.length; i++) {
number += s.codeUnitAt(i);
}
return (number % 10000).toString();
}
String _hash(String s) =>
(s.codeUnits.fold<int>(0, (a, b) => a + b) % 10000).toString();