MarkBot for Discord

A Markov chain bot using markov-strings.

Usage

1. Train the bot in a lengthy text channel:
   • User: !mark train
   • Markbot: @User, Finished training from past 76394 messages.
2. Ask the bot to say something:
   • User: !mark
   • Markbot: This Shopko has a Linux release

Setup

First, create a Discord bot application.

Windows

Windows Requirements

• Node.js 12.0+ (Current)
  • Installing with build tools is recommended

Windows Setup

1. Install Node.js 12.0 or newer.

2. Download this repository using git in a command prompt

   git clone https://github.com/charlocharlie/markov-discord.git
   

   or by just downloading and extracting the project zip from GitHub.

3. Open a command prompt in the markov-discord folder.

   # Install Windows build tools (if you didn't install build tools with Node)
   npm install --global windows-build-tools
   # NPM install non-development packages
   npm install
   # Build the Typescript
   npm run build
   

4. Create a file called config.json in the project directory with the contents:

   {
     "prefix":"!mark",
     "game":"\"!mark help\" for help",
     "token":"k5NzE2NDg1MTIwMjc0ODQ0Nj.DSnXwg.ttNotARealToken5p3WfDoUxhiH"
   }
   

   Feel free to change the command prefix, game display. Add your bot token.

5. Run the bot:

   npm start
   

Debian Linux

Debian Requirements

• Node.js 12.0+
• Python 2.7 (for erlpack)
• C++ build tools (for erlpack)

Download

# Clone this repository
git clone https://github.com/charlocharlie/markov-discord.git
cd markov-discord

Configure

Create a file called config.json in the project directory with the contents:

{
  "prefix":"!mark",
  "game":"\"!mark help\" for help",
  "token":"k5NzE2NDg1MTIwMjc0ODQ0Nj.DSnXwg.ttNotARealToken5p3WfDoUxhiH"
}

Feel free to change the command prefix, game display. Add your bot token.

Install and Run

# Install Node.js if you haven't already
wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
nvm install node

# NPM install non-development packages
npm install

# If you run into build errors, install the following packages:
sudo apt-get install python -y
sudo apt-get install build-essential -y

# Build the Typescript
npm run build

# Start the program
npm start

Docker

Setup with Docker Hub image

1. Install Docker for your OS.

2. Open a command prompts and run:

   docker pull charlocharlie/markov-discord
   docker run --rm -d charlocharlie/markov-discord:latest
   

Setup with source

1. Install Docker for your OS.

2. Download this repository using git in a command prompt

   git clone https://github.com/charlocharlie/markov-discord.git
   

   or by just downloading and extracting the project zip from GitHub.

3. Open a command prompt in the markov-discord folder and run this one-liner:

   docker run --rm -e TOKEN=YOUR.BOT.TOKEN -v config:/usr/src/markbot/config -it $(docker build -q .)
   # Be patient as the build output is suppressed
   

Changelog

0.7.3

• Fix crash when fetched messages is empty
• Update docs
• Update dependencies

0.7.2

• Fix @everyone replacement

0.7.1

• Readme updates
• Config loading fix
• Fix min score
• Add generator options to config
• Document Node 12 update

0.7.0

• Convert project to Typescript
• Optimize Docker build (smaller image)
• Load corpus from filesystem to reduce memory load

0.6.2

• Fix MarkovDB not loading on boot

0.6.1

• Fix bot crashing on scheduled regen

0.6.0

• Added Docker deploy functionality.
• Moved config and database to ./config directory. Existing configs will be migrated.
• Config-less support via bot token located in an environment variable.
• Update dependencies.
• Change corpus regen time to 4 AM.

0.5.0

• Fixed bug where !mark help didn't work.
• Only admins can train.
• The bot responds when mentioned.
• The bot cannot mention @everyone.
• Added version number to help.
• Added !mark tts for a quieter TTS response.
• Readme overhaul.
• Simpler config loading.

0.4.0

• Huge refactor.
• Added !mark debug which sends debug info alongside the message.
• Converted the fetchMessages function to async/await (updating the requirement to Node.js 8).
• Updated module versions.
• Added faster unique-array-by-property function
• Added linting and linted the project.

0.3.0

• Added TTS support and random message attachments.
• Deleted messages no longer persist in the database longer than 24 hours.

0.2.0

• Updated training algorithm and data structure.

Thanks

Thanks to BotMaker-for-Discord which I used as a reference when during development.