public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
ChatFilter filter = null;
if (parameter is int id)
{
var response = await ProtoService.SendAsync(new GetChatFilter(id));
if (response is ChatFilter result)
{
Id = id;
Filter = result;
filter = result;
}
else
{
// TODO
}
}
else
{
Id = null;
Filter = null;
filter = new ChatFilter();
filter.PinnedChatIds = new List <long>();
filter.IncludedChatIds = new List <long>();
filter.ExcludedChatIds = new List <long>();
}
if (filter == null)
{
return;
}
if (state != null && state.TryGet("included_chat_id", out long includedChatId))
{
filter.IncludedChatIds.Add(includedChatId);
}
_pinnedChatIds = filter.PinnedChatIds ?? new List <long>();
_iconPicked = !string.IsNullOrEmpty(filter.IconName);
Title = filter.Title;
Icon = Icons.ParseFilter(filter);
Include.Clear();
Exclude.Clear();
if (filter.IncludeContacts)
{
Include.Add(new FilterFlag {
Flag = ChatListFilterFlags.IncludeContacts
});
}
if (filter.IncludeNonContacts)
{
Include.Add(new FilterFlag {
Flag = ChatListFilterFlags.IncludeNonContacts
});
}
if (filter.IncludeGroups)
{
Include.Add(new FilterFlag {
Flag = ChatListFilterFlags.IncludeGroups
});
}
if (filter.IncludeChannels)
{
Include.Add(new FilterFlag {
Flag = ChatListFilterFlags.IncludeChannels
});
}
if (filter.IncludeBots)
{
Include.Add(new FilterFlag {
Flag = ChatListFilterFlags.IncludeBots
});
}
if (filter.ExcludeMuted)
{
Exclude.Add(new FilterFlag {
Flag = ChatListFilterFlags.ExcludeMuted
});
}
if (filter.ExcludeRead)
{
Exclude.Add(new FilterFlag {
Flag = ChatListFilterFlags.ExcludeRead
});
}
if (filter.ExcludeArchived)
{
Exclude.Add(new FilterFlag {
Flag = ChatListFilterFlags.ExcludeArchived
});
}
foreach (var chatId in filter.PinnedChatIds.Union(filter.IncludedChatIds))
{
var chat = CacheService.GetChat(chatId);
if (chat == null)
{
continue;
}
Include.Add(new FilterChat {
Chat = chat
});
}
foreach (var chatId in filter.ExcludedChatIds)
{
var chat = CacheService.GetChat(chatId);
if (chat == null)
{
continue;
}
Exclude.Add(new FilterChat {
Chat = chat
});
}
UpdateIcon();
}