Line data    Source code

       1              : /// Extension to synchronize the recently used widgets with Element clients
       2              : library;
       3              : 
       4              : import 'package:matrix/matrix.dart';
       5              : 
       6              : /// Syncs recent emojis in account data
       7              : ///
       8              : /// Keeps recently used emojis stored in account data by
       9              : ///
      10              : /// ```js
      11              : /// { // the account data
      12              : ///   "io.element.recent_emoji": {
      13              : ///     "recent_emoji" : {
      14              : ///       "emoji character": n, // number used
      15              : ///     }
      16              : ///   }
      17              : /// }
      18              : /// ```
      19              : ///
      20              : /// Proprietary extension by New Vector Ltd.
      21              : extension RecentEmojiExtension on Client {
      22              :   /// returns the recently used emojis from the account data
      23              :   ///
      24              :   /// There's no corresponding standard or MSC, it's just the reverse-engineered
      25              :   /// API from New Vector Ltd.
      26            1 :   Map<String, int> get recentEmojis {
      27            1 :     final recents = <String, int>{};
      28              : 
      29            2 :     accountData['io.element.recent_emoji']
      30            1 :         ?.content
      31            1 :         .tryGetList('recent_emoji')
      32            2 :         ?.forEach((item) {
      33            1 :       if (item is List) {
      34            6 :         if (item.length > 1 && item[0] is String && item[1] is int) {
      35            3 :           recents[item[0]] = item[1];
      36              :         }
      37              :       }
      38              :     });
      39              : 
      40              :     return recents;
      41              :   }
      42              : 
      43              :   /// +1 the stated emoji in the account data
      44            1 :   Future<void> addRecentEmoji(String emoji) async {
      45            1 :     final data = recentEmojis;
      46            1 :     if (data.containsKey(emoji)) {
      47            0 :       data[emoji] = data[emoji]! + 1;
      48              :     } else {
      49            1 :       data[emoji] = 1;
      50              :     }
      51            1 :     return setRecentEmojiData(data);
      52              :   }
      53              : 
      54              :   /// sets the raw recent emoji account data. Use [addRecentEmoji] instead
      55            1 :   Future<void> setRecentEmojiData(Map<String, int> data) async {
      56            1 :     if (userID == null) return;
      57            7 :     final content = List.from(data.entries.map((e) => [e.key, e.value]));
      58            1 :     return setAccountData(
      59            1 :       userID!,
      60              :       'io.element.recent_emoji',
      61            1 :       {'recent_emoji': content},
      62              :     );
      63              :   }
      64              : }