public void DeleteMessage(TLMessageBase message)
{
if (message == null)
{
return;
}
var messages = new List <TLMessageBase> {
message
};
var owner = CurrentItem as TLObject;
var channel = CurrentItem as TLChannel;
if (channel != null)
{
var messageCommon = message as TLMessageCommon;
if (messageCommon != null)
{
if (messageCommon.ToId is TLPeerChat)
{
DialogDetailsViewModel.DeleteMessages(MTProtoService, false, null, null, messages, null, (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
return;
}
}
DialogDetailsViewModel.DeleteChannelMessages(MTProtoService, channel, null, null, messages, null, (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
return;
}
if (CurrentItem is TLBroadcastChat)
{
DeleteMessagesInternal(owner, null, messages);
return;
}
if ((message.Id == null || message.Id.Value == 0) && message.RandomIndex != 0)
{
DeleteMessagesInternal(owner, null, messages);
return;
}
DialogDetailsViewModel.DeleteMessages(MTProtoService, false, null, null, messages, null, (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
}
public void DeleteMessages()
{
if (Items == null)
{
return;
}
var messages = new List <TLMessageBase>();
foreach (var item in Items.Where(x => x.IsSelected))
{
messages.Add(item);
}
if (messages.Count == 0)
{
return;
}
var randomItems = new List <TLMessageBase>();
var items = new List <TLMessageBase>();
TLMessageBase lastItem = null;
for (var i = 0; i < Items.Count; i++)
{
var message = Items[i];
if (message.IsSelected)
{
if (message.Index == 0 && message.RandomIndex != 0)
{
randomItems.Add(message);
lastItem = null;
}
else if (message.Index != 0)
{
items.Add(message);
lastItem = null;
}
}
else
{
if (lastItem == null)
{
lastItem = message;
}
}
}
if (randomItems.Count == 0 && items.Count == 0)
{
return;
}
IsSelectionEnabled = false;
var owner = CurrentItem as TLObject;
var channel = CurrentItem as TLChannel;
if (channel != null)
{
var chatMessages = new List <TLMessageBase>();
var channelMessages = new List <TLMessageBase>();
if (channel.MigratedFromChatId != null)
{
foreach (var item in items)
{
var message = item as TLMessageCommon;
if (message != null && message.ToId is TLPeerChat)
{
chatMessages.Add(message);
}
else
{
channelMessages.Add(message);
}
}
}
if (chatMessages.Count > 0)
{
DialogDetailsViewModel.DeleteChannelMessages(MTProtoService, channel, lastItem, null, channelMessages, null, (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
DialogDetailsViewModel.DeleteMessages(MTProtoService, false, lastItem, null, chatMessages, null, (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
return;
}
DialogDetailsViewModel.DeleteChannelMessages(MTProtoService, channel, lastItem, randomItems, items, (result1, result2) => DeleteMessagesInternal(owner, result1, result2), (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
return;
}
if (CurrentItem is TLBroadcastChat)
{
DeleteMessagesInternal(owner, null, randomItems);
DeleteMessagesInternal(owner, null, items);
return;
}
DialogDetailsViewModel.DeleteMessages(MTProtoService, false, null, randomItems, items, (result1, result2) => DeleteMessagesInternal(owner, result1, result2), (result1, result2) => DeleteMessagesInternal(owner, result1, result2));
}