feat: Add emote helpers
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Sorunome
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@ -762,4 +762,49 @@ class Event extends MatrixEvent {
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}
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}
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return this;
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return this;
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}
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}
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/// returns if a message is a rich message
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bool get isRichMessage =>
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content['format'] == 'org.matrix.custom.html' &&
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content['formatted_body'] is String;
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// regexes to fetch the number of emotes, including emoji, and if the message consists of only those
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// to match an emoji we can use the following regex:
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// \x{00a9}|\x{00ae}|[\x{2000}-\x{3300}]|\x{d83c}[\x{d000}-\x{dfff}|\x{d83d}[\x{d000}-\x{dfff}]|\x{d83e}[\x{d000}-\x{dfff}]
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// we need to replace \x{0000} with \u0000, the comment is left in the other format to be able to paste into regex101.com
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// to see if there is a custom emote, we use the following regex: <img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>
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// now we combind the two to have four regexes:
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// 1. are there only emoji, or whitespace
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// 2. are there only emoji, emotes, or whitespace
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// 3. count number of emoji
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// 4- count number of emoji or emotes
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static final RegExp _onlyEmojiRegex = RegExp(
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r'^(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff]|\s)*$',
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caseSensitive: false,
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multiLine: true);
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static final RegExp _onlyEmojiEmoteRegex = RegExp(
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r'^(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff]|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>|\s)*$',
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caseSensitive: false,
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multiLine: true);
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static final RegExp _countEmojiRegex = RegExp(
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r'(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])',
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caseSensitive: false,
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multiLine: true);
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static final RegExp _countEmojiEmoteRegex = RegExp(
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r'(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff]|<img[^>]+data-mx-(?:emote|emoticon)(?==|>|\s)[^>]*>)',
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caseSensitive: false,
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multiLine: true);
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/// Returns if a given event only has emotes, emojis or whitespace as content.
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/// This is useful to determine if stand-alone emotes should be displayed bigger.
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bool get onlyEmotes => isRichMessage
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? _onlyEmojiEmoteRegex.hasMatch(content['formatted_body'])
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: _onlyEmojiRegex.hasMatch(content['body'] ?? '');
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/// Gets the number of emotes in a given message. This is useful to determine if
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/// emotes should be displayed bigger. WARNING: This does **not** test if there are
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/// only emotes. Use `event.onlyEmotes` for that!
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int get numberEmotes => isRichMessage
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? _countEmojiEmoteRegex.allMatches(content['formatted_body']).length
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: _countEmojiRegex.allMatches(content['body'] ?? '').length;
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}
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}
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@ -1159,5 +1159,103 @@ void main() {
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await room.client.dispose(closeDatabase: true);
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await room.client.dispose(closeDatabase: true);
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});
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});
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test('emote detection', () async {
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var event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': 'normal message',
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, false);
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expect(event.numberEmotes, 0);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': 'normal message with emoji 🦊',
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, false);
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expect(event.numberEmotes, 1);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': '🦊',
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, true);
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expect(event.numberEmotes, 1);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': '🦊🦊 🦊\n🦊🦊',
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, true);
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expect(event.numberEmotes, 5);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': 'rich message',
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'format': 'org.matrix.custom.html',
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'formatted_body': 'rich message'
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, false);
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expect(event.numberEmotes, 0);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': '🦊',
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'format': 'org.matrix.custom.html',
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'formatted_body': '🦊'
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, true);
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expect(event.numberEmotes, 1);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': ':blah:',
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'format': 'org.matrix.custom.html',
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'formatted_body': '<img data-mx-emoticon src="mxc://blah/blubb">'
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, true);
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expect(event.numberEmotes, 1);
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event = Event.fromJson({
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'type': EventTypes.Message,
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'content': {
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'msgtype': 'm.text',
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'body': '🦊 :blah:',
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'format': 'org.matrix.custom.html',
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'formatted_body': '🦊 <img data-mx-emoticon src="mxc://blah/blubb">'
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},
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'event_id': '\$edit2',
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'sender': '@alice:example.org',
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}, null);
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expect(event.onlyEmotes, true);
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expect(event.numberEmotes, 2);
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});
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});
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});
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}
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}
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