public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
//if (mode == NavigationMode.New)
//{
// _dialogs = null;
//}
//var response = await ProtoService.SendAsync(new GetChats(new ChatListMain(), long.MaxValue, 0, int.MaxValue));
var response = await ProtoService.GetChatListAsync(new ChatListMain(), 0, 200);
if (response is Telegram.Td.Api.Chats chats)
{
var list = ProtoService.GetChats(chats.ChatIds);
Items.Clear();
if (_searchType == SearchChatsType.Post || _searchType == SearchChatsType.All)
{
var myId = CacheService.Options.MyId;
var self = list.FirstOrDefault(x => x.Type is ChatTypePrivate privata && privata.UserId == myId);
if (self == null)
{
self = await ProtoService.SendAsync(new CreatePrivateChat(myId, false)) as Chat;
}
if (self != null)
{
list.Remove(self);
list.Insert(0, self);
}
}
foreach (var chat in list)
{
if (_searchType == SearchChatsType.BasicAndSupergroups)
{
if (chat.Type is ChatTypeBasicGroup basic)
{
var basicGroup = ProtoService.GetBasicGroup(basic.BasicGroupId);
if (basicGroup == null)
{
continue;
}
if (basicGroup.CanInviteUsers())
{
Items.Add(chat);
}
}
else if (chat.Type is ChatTypeSupergroup super)
{
var supergroup = ProtoService.GetSupergroup(super.SupergroupId);
if (supergroup == null)
{
continue;
}
if (supergroup.CanInviteUsers())
{
Items.Add(chat);
}
}
}
else if (_searchType == SearchChatsType.PrivateAndGroups)
{
if (chat.Type is ChatTypePrivate || chat.Type is ChatTypeBasicGroup || chat.Type is ChatTypeSupergroup supergroup && !supergroup.IsChannel)
{
Items.Add(chat);
}
}
else if (_searchType == SearchChatsType.Private)
{
if (chat.Type is ChatTypePrivate)
{
Items.Add(chat);
}
}
else if (_searchType == SearchChatsType.Post)
{
if (CacheService.CanPostMessages(chat))
{
Items.Add(chat);
}
}
else
{
Items.Add(chat);
}
}
var pre = PreSelectedItems;
if (pre == null)
{
return;
}
var items = Items;
var selectedItems = SelectedItems;
foreach (var id in pre)
{
var chat = CacheService.GetChat(id);
if (chat == null)
{
chat = await ProtoService.SendAsync(new GetChat(id)) as Chat;
}
if (chat == null)
{
continue;
}
selectedItems.Add(chat);
var index = items.IndexOf(chat);
if (index > -1)
{
if (index > 0)
{
items.Remove(chat);
items.Insert(1, chat);
}
}
else if (items.Count > 0)
{
items.Insert(1, chat);
}
}
if (PreSelectedItems.Count > 0 && SelectionMode == ListViewSelectionMode.Multiple)
{
RaisePropertyChanged(nameof(PreSelectedItems));
}
}
}
public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
//if (mode == NavigationMode.New)
//{
// _dialogs = null;
//}
var response = await ProtoService.SendAsync(new GetChats(new ChatListMain(), long.MaxValue, 0, int.MaxValue));
if (response is Telegram.Td.Api.Chats chats)
{
var list = ProtoService.GetChats(chats.ChatIds);
Items.Clear();
if (_searchType != SearchChatsType.BasicAndSupergroups)
{
var myId = CacheService.Options.MyId;
var self = list.FirstOrDefault(x => x.Type is ChatTypePrivate privata && privata.UserId == myId);
if (self == null)
{
self = await ProtoService.SendAsync(new CreatePrivateChat(myId, false)) as Chat;
}
if (self != null)
{
list.Remove(self);
list.Insert(0, self);
}
}
foreach (var chat in list)
{
if (_searchType == SearchChatsType.BasicAndSupergroups)
{
if (chat.Type is ChatTypeBasicGroup basic)
{
var basicGroup = ProtoService.GetBasicGroup(basic.BasicGroupId);
if (basicGroup == null)
{
continue;
}
if (basicGroup.CanInviteUsers())
{
Items.Add(chat);
}
}
else if (chat.Type is ChatTypeSupergroup super)
{
var supergroup = ProtoService.GetSupergroup(super.SupergroupId);
if (supergroup == null)
{
continue;
}
if (supergroup.CanInviteUsers())
{
Items.Add(chat);
}
}
}
else
{
if (CacheService.CanPostMessages(chat))
{
Items.Add(chat);
}
}
}
}
}