protected void AddEntry(ChatEntry entry)
{
ExecuteOnUIThread.Invoke(() =>
{
ChatEntries.Add(entry);
if (ChatEntries.Count > MaxEntries)
{
ChatEntries.RemoveAt(0);
}
});
}
async void UpdateChatEntriesCommandExcecuted()
{
var chats = await _syncServer.GetChatsAsync(_walletManager.Wallet.Address);
if (chats != null)
{
for (var i = ChatEntries.Count - 1; i >= 0; i--)
{
var chat = ChatEntries[i];
var stillExist = false;
foreach (var chat2 in chats)
{
stillExist = (chat.ID == chat2.ID);
if (stillExist)
{
break;
}
}
if (!stillExist)
{
var updateTopic = $"{AppConstants.FCM.Topics.Update}_{(chat.Type == ChatType.Normal ? chat.ChatPartner.TronAddress : chat.GroupInfo.TronAddress)}";
_fcm.Unsubscribe(updateTopic);
await _database.Chats.DeleteByChatID(chat.ID);
ChatEntries.RemoveAt(i);
}
}
foreach (var chat in chats)
{
var alreadyExist = false;
if (chat.LastMessage != null)
{
if (chat.Type == ChatType.Normal)
{
chat.LastMessage.Decrypt(_walletManager.Wallet, chat.ChatPartner.PublicKey);
}
else if (chat.Type == ChatType.Group)
{
var privKey = chat.GroupInfo.IsPublic ? chat.GroupInfo.PrivateKey : _walletManager.Wallet.Decrypt(chat.GroupInfo.PrivateKey, chat.GroupInfo.PublicKey);
chat.LastMessage.Decrypt(privKey, chat.LastMessage.Sender.PublicKey);
}
}
var dbLastReadMessageID = await _database.LastReadMessageIDs.GetByChatID(chat.ID);
chat.UpdateUnreadMessageCount(dbLastReadMessageID != null ? dbLastReadMessageID.LastReadID : 0);
for (var i = 0; i < ChatEntries.Count; i++)
{
if (chat.ID == ChatEntries[i].ID)
{
ChatEntries.RemoveAt(i);
ChatEntries.Insert(i, chat);
alreadyExist = true;
}
}
if (!alreadyExist)
{
AreChatsEmpty = false;
ChatEntries.Insert(0, chat);
}
var updateTopic = $"{AppConstants.FCM.Topics.Update}_{(chat.Type == ChatType.Normal ? chat.ChatPartner.TronAddress : chat.GroupInfo.TronAddress)}";
if (!_fcm.SubscribedTopics.Contains(updateTopic))
{
_fcm.Subscribe(updateTopic);
}
if (chat.Type == ChatType.Group)
{
var msgTopic = $"{AppConstants.FCM.Topics.Group}_{chat.GroupInfo.TronAddress}";
if (!_fcm.SubscribedTopics.Contains(msgTopic))
{
_fcm.Subscribe(msgTopic);
}
}
}
ChatEntries.Sort(false);
}
}
