public IAsyncOperation <LoadMoreItemsResult> LoadMoreItemsAsync(uint phase)
{
return(AsyncInfo.Run(async token =>
{
// If the query string is empty we want to load recent chats only
var empty = string.IsNullOrEmpty(_query);
if (empty && phase > 0 && (_internal == null || _internal.IsEmpty()))
{
_filters.ReplaceWith(new[]
{
new SearchChatsFilterContent(new SearchMessagesFilterPhotoAndVideo()),
new SearchChatsFilterContent(new SearchMessagesFilterDocument()),
new SearchChatsFilterContent(new SearchMessagesFilterUrl()),
new SearchChatsFilterContent(new SearchMessagesFilterAudio()),
new SearchChatsFilterContent(new SearchMessagesFilterVoiceNote())
});
return new LoadMoreItemsResult();
}
bool IsFiltered(Chat chat)
{
if (_type == SearchChatsType.Post && !_protoService.CanPostMessages(chat))
{
return true;
}
else if (_type == SearchChatsType.BasicAndSupergroups && chat.Type is not ChatTypeBasicGroup && chat.Type is not ChatTypeSupergroup)
{
return !_protoService.CanPostMessages(chat);
}
public IAsyncOperation <LoadMoreItemsResult> LoadMoreItemsAsync(uint phase)
{
return(AsyncInfo.Run(async token =>
{
// If the query string is empty we want to load recent chats only
var empty = string.IsNullOrEmpty(_query);
if (empty && phase > 0)
{
return new LoadMoreItemsResult();
}
bool IsFiltered(Chat chat)
{
if (_type == SearchChatsType.Post && !_protoService.CanPostMessages(chat))
{
return true;
}
else if (_type == SearchChatsType.BasicAndSupergroups && !(chat.Type is ChatTypeBasicGroup) && !(chat.Type is ChatTypeSupergroup))
{
return !_protoService.CanPostMessages(chat);
}
else if (_type == SearchChatsType.PrivateAndGroups)
{
return !(chat.Type is ChatTypePrivate || chat.Type is ChatTypeBasicGroup || chat.Type is ChatTypeSupergroup supergroup && !supergroup.IsChannel);
}
else if (_type == SearchChatsType.Private)
{
return !(chat.Type is ChatTypePrivate);
}
return false;
}
if (phase == 0)
{
if (_type != SearchChatsType.BasicAndSupergroups && _query.Length > 0 && Strings.Resources.SavedMessages.StartsWith(_query, StringComparison.OrdinalIgnoreCase))
{
var savedMessages = await _protoService.SendAsync(new CreatePrivateChat(_protoService.Options.MyId, false));
if (savedMessages is Chat chat)
{
_chats.Add(chat.Id);
_local.Add(new SearchResult(chat, _query, false));
}
}
var response = await _protoService.SendAsync(new SearchChats(_query, 100));
if (response is Chats chats)
{
foreach (var id in chats.ChatIds)
{
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
if (chat.Type is ChatTypePrivate privata)
{
if (_users.Contains(privata.UserId))
{
continue;
}
_users.Add(privata.UserId);
}
_chats.Add(id);
_local.Add(new SearchResult(chat, _query, false));
}
}
}
}
else if (phase == 1 && _type != SearchChatsType.BasicAndSupergroups)
{
var response = await _protoService.SendAsync(new SearchContacts(_query, 100));
if (response is Users users)
{
foreach (var id in users.UserIds)
{
if (_users.Contains(id))
{
continue;
}
var user = _protoService.GetUser(id);
if (user != null)
{
_users.Add(id);
_local.Add(new SearchResult(user, _query, false));
}
}
}
}
else if (phase == 2)
{
var response = await _protoService.SendAsync(new SearchChatsOnServer(_query, 100));
if (response is Chats chats && _local != null)
{
foreach (var id in chats.ChatIds)
{
if (_chats.Contains(id))
{
continue;
}
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
if (chat.Type is ChatTypePrivate privata && _users.Contains(privata.UserId))
{
continue;
}
_local.Add(new SearchResult(chat, _query, false));
}
}
}
}
else if (phase == 3)
{
var response = await _protoService.SendAsync(new SearchPublicChats(_query));
if (response is Chats chats)
{
foreach (var id in chats.ChatIds)
{
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
_remote.Add(new SearchResult(chat, _query, true));
}
}
}
}
else if (phase == 4)
{
var response = await _protoService.SendAsync(new SearchMessages(_chatList, _query, int.MaxValue, 0, 0, 100));
if (response is Messages messages)
{
foreach (var message in messages.MessagesValue)
{
_messages.Add(message);
}
}
}
return new LoadMoreItemsResult();
}));
}
public IAsyncOperation <LoadMoreItemsResult> LoadMoreItemsAsync(uint phase)
{
return(AsyncInfo.Run(async token =>
{
// If the query string is empty we want to load recent chats only
var empty = string.IsNullOrEmpty(_query);
if (empty && phase > 0 && (_internal == null || _internal.IsEmpty()))
{
_filters.ReplaceWith(new[]
{
new SearchChatsFilterContent(new SearchMessagesFilterPhotoAndVideo()),
new SearchChatsFilterContent(new SearchMessagesFilterDocument()),
new SearchChatsFilterContent(new SearchMessagesFilterUrl()),
new SearchChatsFilterContent(new SearchMessagesFilterAudio()),
new SearchChatsFilterContent(new SearchMessagesFilterVoiceNote())
});
return new LoadMoreItemsResult();
}
bool IsFiltered(Chat chat)
{
if (_type == SearchChatsType.Post && !_protoService.CanPostMessages(chat))
{
return true;
}
else if (_type == SearchChatsType.BasicAndSupergroups && !(chat.Type is ChatTypeBasicGroup) && !(chat.Type is ChatTypeSupergroup))
{
return !_protoService.CanPostMessages(chat);
}
else if (_type == SearchChatsType.PrivateAndGroups)
{
return !(chat.Type is ChatTypePrivate || chat.Type is ChatTypeBasicGroup || chat.Type is ChatTypeSupergroup supergroup && !supergroup.IsChannel);
}
else if (_type == SearchChatsType.Private)
{
return !(chat.Type is ChatTypePrivate);
}
return false;
}
var hasRanges = _internal?.Any(x => x is SearchChatsFilterDateRange) ?? false;
var hasContent = _internal?.Any(x => x is SearchChatsFilterContent) ?? false;
var hasChat = _internal?.Any(x => x is SearchChatsFilterChat) ?? false;
if (phase == 0 && (!hasChat || (hasContent && !hasChat && !empty)))
{
if (_type != SearchChatsType.BasicAndSupergroups && _query.Length > 0 && Strings.Resources.SavedMessages.StartsWith(_query, StringComparison.OrdinalIgnoreCase))
{
var savedMessages = await _protoService.SendAsync(new CreatePrivateChat(_protoService.Options.MyId, false));
if (savedMessages is Chat chat)
{
_chats.Add(chat.Id);
if (!hasContent)
{
_local.Add(new SearchResult(chat, _query, false));
}
_filters.Add(new SearchChatsFilterChat(_protoService, chat));
}
}
var response = await _protoService.SendAsync(new SearchChats(_query, 100));
if (response is Chats chats)
{
foreach (var id in chats.ChatIds)
{
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
if (chat.Type is ChatTypePrivate privata)
{
if (_users.Contains(privata.UserId))
{
continue;
}
_users.Add(privata.UserId);
}
_chats.Add(id);
if (!hasContent)
{
_local.Add(new SearchResult(chat, _query, false));
}
_filters.Add(new SearchChatsFilterChat(_protoService, chat));
}
}
}
}
else if (phase == 1 && !hasChat && !hasContent && _type != SearchChatsType.BasicAndSupergroups)
{
var response = await _protoService.SendAsync(new SearchContacts(_query, 100));
if (response is Users users)
{
foreach (var id in users.UserIds)
{
if (_users.Contains(id))
{
continue;
}
var user = _protoService.GetUser(id);
if (user != null)
{
_users.Add(id);
_local.Add(new SearchResult(user, _query, false));
}
}
}
}
else if (phase == 2 && (!hasChat || (hasContent && !hasChat && !empty)))
{
var response = await _protoService.SendAsync(new SearchChatsOnServer(_query, 100));
if (response is Chats chats && _local != null)
{
foreach (var id in chats.ChatIds)
{
if (_chats.Contains(id))
{
continue;
}
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
if (chat.Type is ChatTypePrivate privata && _users.Contains(privata.UserId))
{
continue;
}
if (!hasContent)
{
_local.Add(new SearchResult(chat, _query, false));
}
_filters.Add(new SearchChatsFilterChat(_protoService, chat));
}
}
}
}
else if (phase == 3 && !hasChat && !hasContent)
{
var response = await _protoService.SendAsync(new SearchPublicChats(_query));
if (response is Chats chats)
{
foreach (var id in chats.ChatIds)
{
var chat = _protoService.GetChat(id);
if (chat != null)
{
if (IsFiltered(chat))
{
continue;
}
_remote.Add(new SearchResult(chat, _query, true));
}
}
}
}
else if (phase == 4)
{
hasRanges = LoadDateRanges(_query);
if (!hasContent && !hasRanges && _filters.IsEmpty())
{
_filters.ReplaceWith(new[]
{
new SearchChatsFilterContent(new SearchMessagesFilterPhotoAndVideo()),
new SearchChatsFilterContent(new SearchMessagesFilterDocument()),
new SearchChatsFilterContent(new SearchMessagesFilterUrl()),
new SearchChatsFilterContent(new SearchMessagesFilterAudio()),
new SearchChatsFilterContent(new SearchMessagesFilterVoiceNote())
});
}
var content = _internal.FirstOrDefault(x => x is SearchChatsFilterContent) as SearchChatsFilterContent;
var range = _internal.FirstOrDefault(x => x is SearchChatsFilterDateRange) as SearchChatsFilterDateRange;
var chat = _internal.FirstOrDefault(x => x is SearchChatsFilterChat) as SearchChatsFilterChat;
var minDate = range?.StartDate ?? 0;
var maxDate = range?.EndDate ?? 0;
Function function;
if (chat != null)
{
function = new SearchChatMessages(chat.Id, _query, null, 0, 0, 100, content?.Filter, 0);
}
else
{
function = new SearchMessages(_chatList, _query, int.MaxValue, 0, 0, 100, content?.Filter, minDate, maxDate);
}
var response = await _protoService.SendAsync(function);
if (response is Messages messages)
{
foreach (var message in messages.MessagesValue)
{
_messages.Add(message);
}
}
}
return new LoadMoreItemsResult();
}));
}