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Development

Hello and welcome to the Hackatime codebase! This is a brief guide to help you get started with contributing to the project.

Quickstart

You'll need Docker installed on your machine. Follow the instructions here to install Docker. If you're on a Mac, you can use OrbStack to run Docker natively.

Clone down the repository:

# Set it up...
$ git clone https://github.com/hackclub/hackatime && cd hackatime

# Set your config
$ cp .env.example .env

Edit your .env file to include the following:

# Database configurations - these work with the Docker setup
DATABASE_URL=postgres://postgres:secureorpheus123@db:5432/app_development
SAILORS_LOG_DATABASE_URL=postgres://postgres:secureorpheus123@db:5432/app_development

# Generate these with `rails secret` or use these for development
SECRET_KEY_BASE=alallalalallalalallalalalladlalllalal
ENCRYPTION_PRIMARY_KEY=32characterrandomstring12345678901
ENCRYPTION_DETERMINISTIC_KEY=32characterrandomstring12345678902
ENCRYPTION_KEY_DERIVATION_SALT=16charssalt1234

Visit https://hca.dinosaurbbq.org, log in with an email address, then enable Developer Mode in HCA settings. After that, navigate to the "Developers' Corner" and "app yourself up", specifying a callback URL of http://localhost:3000/auth/hca/callback and minimum scopes of email, slack_id, and verification_status.

Then, fill out the following fields in your .env file:

# Hack Club Account
HCA_CLIENT_ID=<hca_client_id>
HCA_CLIENT_SECRET=<hca_client_secret>

Start the containers:

$ docker compose up -d
$ docker compose exec web /bin/bash

We'll now setup the database. In your container shell, run the following:

app# bin/rails db:create db:schema:load db:seed

Run the Vite build with SSR (server-side-rendering):

app# bin/vite build --ssr

Now, let's start up the app!

app# bin/dev

Want to do other things?

app# bin/rails c # start an interactive irb!
app# bin/rails db:migrate # migrate the database
app# bin/rails rswag:specs:swaggerize # generate API documentation

You can now access the app at http://localhost:3000/, using the test@example.com email.

Tests

When making a change, add tests to ensure that the change does not break existing functionality, as well as to ensure that the change works as expected. Additionally, run the tests to verify that the change has not introduced any new bugs:

bin/rails test

Please don't use mocks or stubs in your tests unless absolutely necessary. More often than not, these tests would end up testing the mocks themselves, rather than the actual code being tested.

Prefer using Capybara (browser) tests whenever possible, as this helps test both the frontend and backend of the application. You should also that your tests cover all possible edge cases and scenarios!

Running CI locally

To run all CI checks locally, you can run:

docker compose exec web bin/ci

Make sure these actually pass before making a PR!

Migrations

These can be used to modify the database schema. Don't modify db/schema.rb directly.

You also shouldn't create a migration file by hand. Instead, use the bin/rails generate migration command to generate a migration file.

Ensure migrations do not lock the database! This is super, super important.

Jobs

Don't create a job file by hand. Instead, use the bin/rails generate job command to generate a job file.

Ensure jobs do not lock the database.