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Reapply Events PR #679
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pr updates

amended pr review changes

resolved merge conflicts

updates from last night before rebase

update on message test now passing

removed nlog references and usage

resolve conflicts from HEAD

Reapply Events PR #679

update on message test now passing

removed nlog references and usage
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@merqlove @markwest51
merqlove authored and markwest51 committed Apr 24, 2020
1 parent bca8bc5 commit 3e0e53b
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251 changes: 251 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,257 @@ To download file you should call **GetFile** method

Full code you can see at [DownloadFileFromContactTest](https://github.com/sochix/TLSharp/blob/master/TLSharp.Tests/TLSharpTests.cs#L167)

# Events Sample code
```csharp
using System;
using System.Threading.Tasks;
using TeleSharp.TL;
using TLSharp.Core;
using System.Linq;
using TeleSharp.TL.Messages;
using System.Collections.Generic;

namespace TLSharpPOC
{
class MainClass
{
const int APIId = 0;
const string APIHash = "???";
const string phone = "???";
public static void Main(string[] args)
{
new MainClass().MainAsync(args).Wait();
}

private async Task MainAsync(string[] args)
{
TelegramClient client = null;
try
{
// -- if necessary, IP can be changed so the client can connect to the test network.
Session session = null;
// new Session(new FileSessionStore(), "session")
//{
// ServerAddress = "149.154.175.10",
// Port = 443
//};
//Console.WriteLine($"{session.ServerAddress}:{session.Port} {phone}");
client = new TelegramClient(APIId, APIHash, session);
// subscribe an event to receive live messages
client.Updates += Client_Updates;
await client.ConnectAsync();
Console.WriteLine($"Authorised: {client.IsUserAuthorized()}");
TLUser user = null;
// -- If the user has already authenticated, this step will prevent account from being blocked as it
// -- reuses the data from last authorisation.
if (client.IsUserAuthorized())
user = client.Session.TLUser;
else
{
var registered = await client.IsPhoneRegisteredAsync(phone);
var hash = await client.SendCodeRequestAsync(phone);
Console.Write("Code: ");
var code = Console.ReadLine();
if (!registered)
{
Console.WriteLine($"Sign up {phone}");
user = await client.SignUpAsync(phone, hash, code, "First", "Last");
}
Console.WriteLine($"Sign in {phone}");
user = await client.MakeAuthAsync(phone, hash, code);
}

var contacts = await client.GetContactsAsync();
Console.WriteLine("Contacts:");
foreach (var contact in contacts.Users.OfType<TLUser>())
{
var contactUser = contact as TLUser;
Console.WriteLine($"\t{contact.Id} {contact.Phone} {contact.FirstName} {contact.LastName}");
}


var dialogs = (TLDialogs) await client.GetUserDialogsAsync();
Console.WriteLine("Channels: ");
foreach (var channelObj in dialogs.Chats.OfType<TLChannel>())
{
var channel = channelObj as TLChannel;
Console.WriteLine($"\tChat: {channel.Title}");
}

Console.WriteLine("Groups:");
TLChat chat = null;
foreach (var chatObj in dialogs.Chats.OfType<TLChat>())
{
chat = chatObj as TLChat;
Console.WriteLine($"Chat name: {chat.Title}");
var request = new TLRequestGetFullChat() { ChatId = chat.Id };
var fullChat = await client.SendRequestAsync<TeleSharp.TL.Messages.TLChatFull>(request);

var participants = (fullChat.FullChat as TeleSharp.TL.TLChatFull).Participants as TLChatParticipants;
foreach (var p in participants.Participants)
{
if (p is TLChatParticipant)
{
var participant = p as TLChatParticipant;
Console.WriteLine($"\t{participant.UserId}");
}
else if (p is TLChatParticipantAdmin)
{
var participant = p as TLChatParticipantAdmin;
Console.WriteLine($"\t{participant.UserId}**");
}
else if (p is TLChatParticipantCreator)
{
var participant = p as TLChatParticipantCreator;
Console.WriteLine($"\t{participant.UserId}**");
}
}

var peer = new TLInputPeerChat() { ChatId = chat.Id };
var m = await client.GetHistoryAsync(peer, 0, 0, 0);
Console.WriteLine(m);
if (m is TLMessages)
{
var messages = m as TLMessages;


foreach (var message in messages.Messages)
{
if (message is TLMessage)
{
var m1 = message as TLMessage;
Console.WriteLine($"\t\t{m1.Id} {m1.Message}");
}
else if (message is TLMessageService)
{
var m1 = message as TLMessageService;
Console.WriteLine($"\t\t{m1.Id} {m1.Action}");
}
}
}
else if (m is TLMessagesSlice)
{
bool done = false;
int total = 0;
while (!done)
{
var messages = m as TLMessagesSlice;

foreach (var m1 in messages.Messages)
{
if (m1 is TLMessage)
{
var message = m1 as TLMessage;
Console.WriteLine($"\t\t{message.Id} {message.Message}");
++total;
}
else if (m1 is TLMessageService)
{
var message = m1 as TLMessageService;
Console.WriteLine($"\t\t{message.Id} {message.Action}");
++total;
done = message.Action is TLMessageActionChatCreate;
}
}
m = await client.GetHistoryAsync(peer, total, 0, 0);
}
}
}

// -- Wait in a loop to handle incoming updates. No need to poll.
for (;;)
{
await client.WaitEventAsync();
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}

private void Client_Updates(TelegramClient client, TLAbsUpdates updates)
{
Console.WriteLine($"Got update: {updates}");
if (updates is TLUpdateShort)
{
var updateShort = updates as TLUpdateShort;
Console.WriteLine($"Short: {updateShort.Update}");
if (updateShort.Update is TLUpdateUserStatus)
{
var status = updateShort.Update as TLUpdateUserStatus;
Console.WriteLine($"User {status.UserId} is {status.Status}");
if (status.Status is TLUserStatusOnline)
{
try
{
var peer = new TLInputPeerUser() { UserId = status.UserId };
client.SendMessageAsync(peer, "Você está online.").Wait();
} catch {}
}
}
}
else if (updates is TLUpdateShortMessage)
{
var message = updates as TLUpdateShortMessage;
Console.WriteLine($"Message: {message.Message}");
MarkMessageRead(client, new TLInputPeerUser() { UserId = message.UserId }, message.Id);
}
else if (updates is TLUpdateShortChatMessage)
{
var message = updates as TLUpdateShortChatMessage;
Console.WriteLine($"Chat Message: {message.Message}");
MarkMessageRead(client, new TLInputPeerChat() { ChatId = message.ChatId }, message.Id);
}
else if (updates is TLUpdates)
{
var allUpdates = updates as TLUpdates;
foreach (var update in allUpdates.Updates)
{
Console.WriteLine($"\t{update}");
if (update is TLUpdateNewChannelMessage)
{
var metaMessage = update as TLUpdateNewChannelMessage;
var message = metaMessage.Message as TLMessage;
Console.WriteLine($"Channel message: {message.Message}");
var channel = allUpdates.Chats[0] as TLChannel;
MarkMessageRead(client,
new TLInputPeerChannel() { ChannelId = channel.Id, AccessHash = channel.AccessHash.Value },
message.Id );
}
}

foreach(var user in allUpdates.Users)
{
Console.WriteLine($"{user}");
}

foreach (var chat in allUpdates.Chats)
{
Console.WriteLine($"{chat}");
}
}
}

private void MarkMessageRead(TelegramClient client, TLAbsInputPeer peer, int id)
{
// An exception happens here but it's not fatal.
try
{
var request = new TLRequestReadHistory();
request.MaxId = id;
request.Peer = peer;
client.SendRequestAsync<bool>(request).Wait();
}
catch (InvalidOperationException e){
System.Console.WriteLine($"MarkMessageRead Error: {e.getMessage()}")
}

}
}
}
```

# Available Methods

For your convenience TLSharp have wrappers for several Telegram API methods. You could add your own, see details below.
Expand Down
69 changes: 69 additions & 0 deletions TLSharp.Core/Network/Exceptions.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,69 @@
using System;
namespace TLSharp.Core.Network
{
public class FloodException : Exception
{
public TimeSpan TimeToWait { get; private set; }

internal FloodException(TimeSpan timeToWait)
: base($"Flood prevention. Telegram now requires your program to do requests again only after {timeToWait.TotalSeconds} seconds have passed ({nameof(TimeToWait)} property)." +
" If you think the culprit of this problem may lie in TLSharp's implementation, open a Github issue please.")
{
TimeToWait = timeToWait;
}
}

public class BadMessageException : Exception
{
internal BadMessageException(string description) : base(description)
{
}
}

internal abstract class DataCenterMigrationException : Exception
{
internal int DC { get; private set; }

private const string REPORT_MESSAGE =
" See: https://github.com/sochix/TLSharp#i-get-a-xxxmigrationexception-or-a-migrate_x-error";

protected DataCenterMigrationException(string msg, int dc) : base(msg + REPORT_MESSAGE)
{
DC = dc;
}
}

internal class PhoneMigrationException : DataCenterMigrationException
{
internal PhoneMigrationException(int dc)
: base($"Phone number registered to a different DC: {dc}.", dc)
{
}
}

internal class FileMigrationException : DataCenterMigrationException
{
internal FileMigrationException(int dc)
: base($"File located on a different DC: {dc}.", dc)
{
}
}

internal class UserMigrationException : DataCenterMigrationException
{
internal UserMigrationException(int dc)
: base($"User located on a different DC: {dc}.", dc)
{
}
}

internal class NetworkMigrationException : DataCenterMigrationException
{
internal NetworkMigrationException(int dc)
: base($"Network located on a different DC: {dc}.", dc)
{
}
}


}
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