addStickerToRecentlyUsed method

Future<List<RecentSticker>> addStickerToRecentlyUsed({ required Sticker sticker, KeyboardConfig config = const KeyboardConfig(), })

Add an sticker to recently used list or increase its counter

Implementation

Future<List<RecentSticker>> addStickerToRecentlyUsed({
  required Sticker sticker,
  KeyboardConfig config = const KeyboardConfig(),
}) async {
  var recentSticker = await getRecentStickers();
  var recentStickerIndex = recentSticker
      .indexWhere((element) => element.sticker.assetUrl == sticker.assetUrl);
  if (recentStickerIndex != -1) {
    // Already exist in recent list
    // Just update counter
    recentSticker[recentStickerIndex].counter++;
  } else if (recentSticker.length == config.recentsLimit &&
      config.replaceRecentOnLimitExceed) {
    // Replace latest sticker with the fresh one
    recentSticker[recentSticker.length - 1] = RecentSticker(sticker, 1);
  } else {
    recentSticker.add(RecentSticker(sticker, 1));
  }
  // Sort by counter desc
  recentSticker.sort((a, b) => b.counter - a.counter);
  // Limit entries to recentsLimit
  recentSticker = recentSticker.sublist(
      0, min(config.recentsLimit, recentSticker.length));
  // save locally
  final prefs = await SharedPreferences.getInstance();
  prefs.setString('recent_stickers', jsonEncode(recentSticker));

  return recentSticker;
}