Telegram Plugin

This plugin implements functions to send messages via Telegram.

Installation and settings

info

• How to install nuget package in Visual studio for Windows.
• How to install nuget package in Visual studio for Mac.
• How to install nuget package in Rider.

Install the NuGet package: WorkflowEngine.NETCore-TelegramPlugin.

Add the following namespaces to the usings section:

using OptimaJet.Workflow.Plugins;

Create a plugin object and arrange the required Settings:

var telegramPlugin = new TelegramPlugin();

// Here are your settings

// telegramPlugin.ApiId = "AccountSid";
// telegramPlugin.ApiHash = "AuthToken";
// telegramPlugin.CodeRequest += MyCodeRequest;
// telegramPlugin.SessionUserId = "AuthToken";
// telegramPlugin.Number = "AuthToken";
// telegramPlugin.LimitMessageForRead = 100;
// telegramPlugin.MarkAsRead = true;

Connect the plugin to the WorkflowRuntime:

var runtime = new WorkflowRuntime();
...
runtime.WithPlugin(telegramPlugin);

Settings

ApiId

Int32: a parameter for access to Telegram. For getting: register your application as a Telegram client.

Used for TelegramAuthentication.

ApiHash

A parameter for access to Telegram. For getting: register your application as a Telegram client.

Used for TelegramAuthentication.

CodeRequest

A delegate, your function should return the code sent to you by SMS.

When the User is authenticated, a special file called session.dat will be created. In this file, the complete info about the User's session is stored. So, you should authenticate the User every time the session.dat file is corrupted or removed.

Action syntax:

string MyCodeRequest()
{
    // you can change code in debugger
    string code = "myCode";
    return code;
}

Read about Authentication.

SessionUserId

String: the name of the session that tracks login info about this TelegramClient connection.

Used for TelegramAuthentication.

Number

String: the number of the current User.

Used for TelegramAuthentication.

LimitMessageForRead

Int32: the maximum number of messages that can be read at a time.

Default value: 100

Used for TelegramSendMessage

MarkAsRead

Boolean: the flag to mark the received messages as already read: if true - a message is read; if false - a message remains unread.

Default value: true

Used for TelegramSendMessage.

Actions

Read about actions.

TelegramAuthentication

Authentication of the current User.

Read about Authentication.

Parameters:

ApiId : Int32 *

A parameter for access to Telegram. For getting: register your application as a Telegram client.

The value is taken from ApiId, if specified there.

ApiHash : String *

A parameter for access to Telegram. For getting: register your application as a Telegram client.

The value is taken from ApiHash, if specified there.

Number : String *

The number of the current User.

The value is taken from Number, if specified there.

SessionUserId : String *

The name of the session that tracks login info about this TelegramClient connection.

The value is taken from SessionUserId, if specified there.

TelegramSendMessage

Send a message to User / Chat / Channel.

Parameters:

GetterType : GetterType *

Specifies the type of the recipient identifier.

Default value: UserPhone

Getter : String *

The recipient identifier with the type specified in GetterType.

Message : String *

A string that contains the message body.

TelegramListenMessages

Receives new messages from User / Chat / Channel.

Parameters:

SenderType : SenderType *

The type of the sender identifier, whose messages will be listened to.

Default value: UserPhone

Sender : String *

The sender identifier, whose messages will be listened to, with the type specified in SenderType.

ParameterName : String *

The name of the parameter, where new messages will be saved.

LimitMessageForRead : Int32 *

The maximum number of messages that can be read at a time.

Default value: 100

The value is taken from LimitMessageForRead, if specified there.

MarkAsRead : Boolean *

The flag to mark the received messages as already read: if true - a message is read; if false - a message remains unread.

Default value: true

The value is taken from MarkAsRead, if specified there.

Elements

Authentication

To enable the plugin, the following should be done at the first start:

1. Get ApiId and ApiHash; for getting register your application as a Telegram client.
2. Connect your functions with the CodeRequest delegate.
3. In the debugger mode, enter the code sent to you by SMS.

caution

When the User is authenticated, a special file called session.dat will be created. In this file, the complete info about the User's session is stored. So, you should authenticate the User every time the session.dat file is corrupted or removed.

GetterType

The type of the recipient identifier:

Value	Description
UserPhone	Phone Number.
UserName	User Name.
ChatTitle	Chat Title.
ChannelTitle	Channel Title.

SenderType

The type of the sender identifier:

Value	Description
UserPhone	Phone Number.
UserName	User Name.
ChatTitle	Chat Title.
ChannelTitle	Channel Title.