COVID-19-Telegram-bot

A Telegram bot to get latest progress on COVID-19

Architecture

The project is written with on Spring Boot. No Telegram library, framework or whatsoever is used in this project. All the telegram integration is done through direct REST calls.

Data source

The @covid19_update_bot bot gets data from covid-19-api created by Muhammad Mustadi. Data is scrapped from John Hopkins University CSSE.

How to set up the project

Prerequisites

• JDK 11

Run in local

Follow the steps to get it run in local.

Add tokens to application.properties

Set Telegram token in application.properties.

Or alternatively export them as environment variable. For example,

$ export TELEGRAM_TOKEN=[telegram_token]

Run the application

Run the project in console,

$ ./mvnw spring-boot:run

Run Ngrok

Download Ngrok from here and run it as follow,

$ ./ngrok http 8080

Update Telegram hook

Update the bot hook using hook-update.sh.

Before running the script, export the following environment variables,

$ export URL=[ngrok_url]
$ export TOKEN=[bot_token]

And finally run the script,

$ ./hook_update.sh

Mimic production environment

To mimic the production environment, run the project with the production profile as follows,

$ ./mvnw spring-boot:run -Pproduction 

Production deployment

To deploy the project to production, ensure the following environment variable is exported,

SPRING_PROFILES_ACTIVE = production

The rest of the process is more or less similar to run the project in local.

Important notes

• In production profile, swagger-ui is disabled.
• Only API calls that come from Telegram servers are accepted, the rest is ignored, see SecurityConfig.java.

Support

Check my site @geekyhacker.com

Contact

• kasra@madadipouya.com

License

COVID-19-Telegram-bot is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 3 as published by the Free Software Foundation.

COVID-19-Telegram-bot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. http://www.gnu.org/licenses/

Author(s):

© 2020 Kasra Madadipouya kasra@madadipouya.com