mirror of
https://github.com/wiz0u/WTelegramClient.git
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73 lines
4 KiB
C#
73 lines
4 KiB
C#
using System;
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using System.Threading.Tasks;
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using TL;
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namespace WTelegramClientTest
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{
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static class Program_ListenUpdates
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{
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static WTelegram.Client Client;
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static WTelegram.UpdateManager Manager;
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static User My;
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// go to Project Properties > Debug > Launch Profiles > Environment variables and add at least these: api_id, api_hash, phone_number
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static async Task Main(string[] _)
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{
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Console.WriteLine("The program will display updates received for the logged-in user. Press any key to terminate");
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WTelegram.Helpers.Log = (l, s) => System.Diagnostics.Debug.WriteLine(s);
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Client = new WTelegram.Client(Environment.GetEnvironmentVariable);
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using (Client)
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{
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Manager = Client.WithUpdateManager(Client_OnUpdate/*, "Updates.state"*/);
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My = await Client.LoginUserIfNeeded();
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// Note: on login, Telegram may sends a bunch of updates/messages that happened in the past and were not acknowledged
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Console.WriteLine($"We are logged-in as {My.username ?? My.first_name + " " + My.last_name} (id {My.id})");
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// We collect all infos about the users/chats so that updates can be printed with their names
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var dialogs = await Client.Messages_GetAllDialogs(); // dialogs = groups/channels/users
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dialogs.CollectUsersChats(Manager.Users, Manager.Chats);
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Console.ReadKey();
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} // WTelegram.Client gets disposed when exiting this scope
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//Manager.SaveState("Updates.state"); // if you want to resume missed updates on the next run (see WithUpdateManager above)
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}
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// if not using async/await, we could just return Task.CompletedTask
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private static async Task Client_OnUpdate(Update update)
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{
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switch (update)
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{
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case UpdateNewMessage unm: await HandleMessage(unm.message); break;
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case UpdateEditMessage uem: await HandleMessage(uem.message, true); break;
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// Note: UpdateNewChannelMessage and UpdateEditChannelMessage are also handled by above cases
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case UpdateDeleteChannelMessages udcm: Console.WriteLine($"{udcm.messages.Length} message(s) deleted in {Chat(udcm.channel_id)}"); break;
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case UpdateDeleteMessages udm: Console.WriteLine($"{udm.messages.Length} message(s) deleted"); break;
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case UpdateUserTyping uut: Console.WriteLine($"{User(uut.user_id)} is {uut.action}"); break;
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case UpdateChatUserTyping ucut: Console.WriteLine($"{Peer(ucut.from_id)} is {ucut.action} in {Chat(ucut.chat_id)}"); break;
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case UpdateChannelUserTyping ucut2: Console.WriteLine($"{Peer(ucut2.from_id)} is {ucut2.action} in {Chat(ucut2.channel_id)}"); break;
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case UpdateChatParticipants { participants: ChatParticipants cp }: Console.WriteLine($"{cp.participants.Length} participants in {Chat(cp.chat_id)}"); break;
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case UpdateUserStatus uus: Console.WriteLine($"{User(uus.user_id)} is now {uus.status.GetType().Name[10..]}"); break;
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case UpdateUserName uun: Console.WriteLine($"{User(uun.user_id)} has changed profile name: {uun.first_name} {uun.last_name}"); break;
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case UpdateUser uu: Console.WriteLine($"{User(uu.user_id)} has changed infos/photo"); break;
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default: Console.WriteLine(update.GetType().Name); break; // there are much more update types than the above example cases
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}
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}
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// in this example method, we're not using async/await, so we just return Task.CompletedTask
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private static Task HandleMessage(MessageBase messageBase, bool edit = false)
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{
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if (edit) Console.Write("(Edit): ");
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switch (messageBase)
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{
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case Message m: Console.WriteLine($"{Peer(m.from_id) ?? m.post_author} in {Peer(m.peer_id)}> {m.message}"); break;
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case MessageService ms: Console.WriteLine($"{Peer(ms.from_id)} in {Peer(ms.peer_id)} [{ms.action.GetType().Name[13..]}]"); break;
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}
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return Task.CompletedTask;
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}
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private static string User(long id) => Manager.Users.TryGetValue(id, out var user) ? user.ToString() : $"User {id}";
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private static string Chat(long id) => Manager.Chats.TryGetValue(id, out var chat) ? chat.ToString() : $"Chat {id}";
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private static string Peer(Peer peer) => Manager.UserOrChat(peer)?.ToString() ?? $"Peer {peer?.ID}";
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}
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}
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