mybuddy/CONTRIBUTING.md

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# Contributing
[![Build Status](https://travis-ci.org/cdubz/babybuddy.svg?branch=master)](https://travis-ci.org/cdubz/babybuddy)
[![Coverage Status](https://coveralls.io/repos/github/cdubz/babybuddy/badge.svg?branch=master)](https://coveralls.io/github/cdubz/babybuddy?branch=master)
[![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg)](https://opensource.org/licenses/BSD-2-Clause)
[![Gitter](https://img.shields.io/gitter/room/nwjs/nw.js.svg)](https://gitter.im/babybuddy/Lobby)
- [Contributions](#contributions)
- [Pull request process](#pull-request-process)
- [Development](#development)
- [Installation](#installation)
- [Gulp Commands](#gulp-commands)
- [Pre-commit Hook](#pre-commit-hook)
## Contributions
Contributions are accepted and encouraged via GitHub
[Issues](https://github.com/cdubz/babybuddy/issues) and
[Pull Requests](https://github.com/cdubz/babybuddy/pulls). Maintainers and users
may also be found at [babybuddy/Lobby](https://gitter.im/babybuddy/Lobby) on
Gitter.
### Pull request process
1. Fork this repository and commit your changes.
1. Make and commit tests for any new features or major functionality changes.
1. Run `gulp lint` and `gulp test` (see [Gulp Commands](#gulp-commands)) and
ensure that all tests pass.
1. If changes are made to assets: build, collect and commit the `/static`
folder (see [Pre-commit Hook](#pre-commit-hook)).
1. Open a [new pull request](https://github.com/cdubz/babybuddy/compare) against
the `master` branch.
New pull requests will be reviewed by project maintainers as soon as possible
and we will do our best to provide feedback and support potential contributors.
## Development
### Requirements
- Python 3.5+, pip, pipenv
- NodeJS 8.x and NPM 5.x
- Gulp
### Installation
1. Install pipenv
pip install pipenv
1. Install required Python packages, including dev packages
pipenv install --dev
1. Install Gulp CLI
npm install -g gulp-cli
1. Install required Node packages
npm install
1. Set, at least, the `DJANGO_SETTINGS_MODULE` environment variable
export DJANGO_SETTINGS_MODULE=babybuddy.settings.development
This process will differ based on the host OS. The above example is for
Linux-based systems. See [Configuration](#configuration) for other settings
and methods for defining them.
1. Migrate the database
gulp migrate
1. Build assets and run the server
gulp
This command will also watch for file system changes to rebuild assets and
restart the server as needed.
Open [http://127.0.0.1:8000](http://127.0.0.1:8000) and log in with the default
user name and password (`admin`/`admin`).
### Gulp commands
Baby Buddy's Gulp commands are defined and configured by files in the
[`gulpfile.js`](gulpfile.js) folder. Django's management commands are defined
in the [`babybuddy/management/commands`](babybuddy/management/commands) folder.
- [`gulp`](#gulp)
- [`gulp build`](#build)
- [`gulp clean`](#clean)
- [`gulp collectstatic`](#collectstatic)
- [`gulp coverage`](#coverage)
- [`gulp extras`](#extras)
- [`gulp fake`](#fake)
- [`gulp lint`](#lint)
- [`gulp makemigrations`](#makemigrations)
- [`gulp migrate`](#migrate)
- [`gulp reset`](#reset)
- [`gulp runserver`](#runserver)
- [`gulp scripts`](#scripts)
- [`gulp styles`](#styles)
- [`gulp test`](#test)
#### `gulp`
Executes the `build` and `watch` commands and runs Django's development server.
#### `build`
Creates all script, style and "extra" assets and places them in the
`babybuddy/static` folder.
#### `clean`
Deletes all build folders and the root `static` folder. Generally this should
be run before a `gulp build` to remove previous build files and the generated
static assets.
#### `collectstatic`
Executes Django's `collectstatic` management task. This task relies on files in
the `babybuddy/static` folder, so generally `gulp build` should be run before
this command for production deployments. Gulp also passes along
non-overlapping arguments for this command, e.g. `--no-input`.
#### `coverage`
Create a test coverage report. See [`.coveragerc`](.coveragerc) for default
settings information.
#### `extras`
Copies "extra" files (fonts, images and server root contents) to the build
folder.
#### `fake`
Adds some fake data to the database. By default, ``fake`` creates one child and
31 days of random data. Use the `--children` and `--days` flags to change the
default values, e.g. `gulp fake --children 5 --days 7` to generate five fake
children and seven days of data for each.
#### `lint`
Executes Python and SASS linting for all relevant source files.
#### `makemigrations`
Executes Django's `makemigrations` management task. Gulp also passes along
non-overlapping arguments for this command.
#### `migrate`
Executes Django's `migrate` management task. In addition to migrating the
database, this command creates the default `admin` user. Gulp also passes along
non-overlapping arguments for this command.
#### `reset`
Resets the database to a default state *with* one fake child and 31 days of
fake data.
#### `runserver`
Executes Django's `runserver` management task. Gulp also passes along
non-overlapping arguments for this command.
#### `scripts`
Builds and combines relevant application scripts. Generally this command does
not need to be executed independently - see the `build` command.
#### `styles`
Builds and combines SASS styles in to CSS files. Generally this command does
not need to be executed independently - see the `build` command.
#### `test`
Executes Baby Buddy's suite of tests.
Gulp also passes along non-overlapping arguments for this command, however
individual tests cannot be run with this command. `python manage.py test` can be
used for individual test execution.
### Pre-commit Hook
A [pre-commit hook](https://git-scm.com/docs/githooks#_pre_commit) is
recommended for all commits in order to make sure that static assets are
correctly committed. Here is an example working script for bash:
```
#!/bin/bash
if [ $(git diff --cached --name-only | grep static_src -c) -ne 0 ]
then
gulp clean && gulp build && gulp collectstatic
if [ $? -ne 0 ]; then exit $?; fi
git add ./static
fi
gulp lint && gulp test
exit $?
```
This script will build and add static assets to the commit only if changes have
been made to files in a `static_src` directory of the project. It will always
run the `gulp lint` and `gulp test` commands. If any of these processes result
in an error, the commit will be rejected.