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Schedule telegram bot to send message? – Telegram API

I can’t just do this

public static void myBot_OnMessage(object sender, Telegram.Bot.Args.MessageEventArgs msg)
{
    if (DateTime.Now.Hour == 01)
    {
        myBot.SendTextMessageAsync(msg.Message.Chat.Id, "Good Night");
    }
}

Because that requires the user to first send a message at that exact time for them to receive the message. How can i make it autosend a message at a specific to anyone who ever started it without the person having to send message the exact time it would send the automatic message?

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2

Answers


  1. 0

    You should schedule a task by using the provided interface by Windows.
    Also, you should store the ID’s of the users in a database and iterate over them every time the scheluded task is running.

    You can find more about task scheduling in C# here Creating Scheduled Tasks

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  2. 0

    If you developing using .net core you can use IHostedService for realization background task. Also there exist a libraries for sheduled tasks. I recomend Hangfire.
    It’s free and easy for use. You can add task like this:

    var nextDay = DateTime.Now.AddDays(1);
var sendDate = new DateTime(nextDay.Year, nextDay.Month, nextDay.Day, 1,0,0);
var jobId = BackgroundJob.Schedule(
   () => myBot.SendTextMessageAsync(msg.Message.Chat.Id, "Good Night");
   (sendDate - DateTime.Now));

    You need database for using Hangfire.

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