matchy/README.md
Marc Di Luzio 3a0bf82ecb Implement building with docker
See the README for usages and details.

A breaking changes here too:
* run.py is gone, we now handle that kind of thing with docker
* The token is out of the config and is now an ENVAR (ideally using a .env)
* `.json` files are now in a .matchy/ subdirectory, as this makes it a lot easier for the container to safely read

Bonus:
* fix a score_factors.setdefault call causing issues
* Reformat some of the readme
2024-08-14 16:55:23 +01:00

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# Matchy
Matchy matches matchees.
![Tests](https://github.com/mdiluz/matchy/actions/workflows/test.yml/badge.svg)
Matchy is a Discord bot that groups up users for fun and vibes. Matchy can be installed on your server by clicking [here](https://discord.com/oauth2/authorize?client_id=1270849346987884696). Matchy only allows authorised users to trigger posts in channels.
## Commands
Matchy supports a bunch of user, `matcher` and bot owner commands. `/` commands are available in any channel the bot has access to, and `$` commands are only available in DMs.
| Command | Permissions | Description |
|-----------|-------------|--------------------------------------------------------|
| /join | user | Joins the matchee list |
| /leave | user | Leaves the matchee list |
| /pause | user | Pauses the user for `days: int` days |
| /list | user | Lists the current matchees and scheduled matches |
| /match | user | Shares a preview of the matchee groups of size `group_min: int` with the user, offers a button to post the match to `matcher` users |
| /schedule | `matcher` | Shedules a match every week with `group_min: int` users on `weekday: int` day and at `hour: int` hour. Can pass `cancel: True` to stop the schedule |
| $sync | bot owner | Syncs bot command data with the discord servers |
| $close | bot owner | Closes the bot connection so the bot quits safely |
| $grant | bot owner | Grants matcher to a given user (ID) |
## Development
Development has been on on Linux so far, but running on Mac or Windows _should_ work fine. Please report any issues found.
### Dependencies
* `python3` - Obviously, ideally 3.11
* `venv` - Used for the python virtual env, specs in `requirements.txt`
* `docker` - Optional, for deployment
### Getting Started
```bash
git clone git@github.com:mdiluz/matchy.git
cd matchy
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
git checkout -b [feature-branch-name]
```
VSCode can be configured to use this new `.venv` and is the recommended way to develop.
### Tests
Python tests are written to use `pytest` and cover most internal functionality. Tests can be run in the same way as in the Github Actions with [`scripts/test.py`](`scripts/test.py`), which lints all python code and runs any tests with `pytest`. A helper script [`scripts/test-cov.py`](scripts/test-cov.py) is available to generate a html view on current code coverage.
## Hosting
### Config and State
Matchy is configured by an optional `$MATCHY_CONFIG` envar or a `.matchy/config.json` file that takes this format:
```json
{
"version" : 2,
"match" : {
"score_factors": {
"repeat_role" : 4,
"repeat_match" : 8,
"extra_member" : 32,
"upper_threshold" : 64
}
}
}
```
Only the version is required.
See [`py/config.py`](py/config.py) for explanations for any extra settings here.
_State_ is stored locally in a `.matchy/state.json` file. This will be created by the bot. This stores historical information on users, maching schedules, user auth scopes and more. See [`py/state.py`](py/state.py) for schema information if you need to inspect it.
### Secrets
The `TOKEN` envar is required run the bot. It's recommended this is placed in a local `.env` file. To generate bot token for development see [this discord.py guide](https://discordpy.readthedocs.io/en/stable/discord.html).
### Docker
Docker and Compose configs are provided, with the latest release tagged as `ghcr.io/mdiluz/matchy:latest`. A location for persistent data is stil required so some persistent volume will need to be mapped into the container as `/usr/share/app/.matchy`.
An example for how to do this may look like this:
```bash
docker run -v --env-file=.env ./.matchy:/usr/src/app/.matchy ghcr.io/mdiluz/matchy:latest
```
A (`docker-compose.yml`)[docker-compose.yml] file is also provided that essentially performs the above when used with `docker compose up --exit-code-from matchy`. A `MATCHY_DATA` envar can be used in conjunction with compose to set a custom local path for the location of the data file.
## TODO
* Implement better tests to the discordy parts of the codebase
* Implement a .json file upgrade test
* Track if matches were successful
* Improve the weirdo