sogo/Documentation/SOGoDevelopersGuide.asciidoc

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Developer's Guide
=================
:toc: left
:icons: font
////
This file is part of the SOGo project.
See docinfo.xml for authors, copyright and license information.
////
include::includes/global-attributes.asciidoc[]
UI and UX
---------
* http://www.google.com/design/spec/material-design/
* http://goodui.org/
- Try Repeating Your Primary Action instead of showing it just once.
- Try Distinct Clickable/Selected Styles instead of blurring them.
- Try Undos instead of prompting for confirmation.
- Try More Contrast instead of similarity.
- Try Exposing Options instead of hiding them.
- Try Showing State instead of being state agnostic.
- Try Direct Manipulation instead of contextless menus.
- Try Exposing Fields instead of creating extra pages.
- Try Transitions instead of showing changes instantly.
- Try Fewer Borders instead of wasting attention.
- Try Designing For Zero Data instead of just data heavy cases.
- Try Consistency instead of making people relearn.
- Try Conventions instead of reinventing the wheel.
- Try Visual Hierarchy instead of dullness.
- Try Grouping Related Items instead of disordering.
- Try Inline Validation instead of delaying errors.
- Try Forgiving Inputs instead of being strict with data.
- Try Bigger Click Areas instead of tiny ones.
- Try Faster Load Times instead of making people wait.
- Try Keyboard Shortcuts instead of buttons only.
- Try Upfront Progress instead of starting with a blank.
- Try Softer Prompts instead of modal windows.
- Try Multifunctional Controls instead of more parts.
- Try Icon Labels instead of opening for interpretation.
* http://designmodo.com/create-style-guides/
* http://uxmyths.com/
Frameworks & Tools
------------------
GNUstep
~~~~~~~
SOPE
~~~~
JavaScript libraries
~~~~~~~~~~~~~~~~~~~~
* https://angularjs.org/
* http://angular-ui.github.io/ui-router/
* https://material.angularjs.org/
* http://lodash.com/
* https://github.com/nervgh/angular-file-upload
Code Style
----------
Objective-C
~~~~~~~~~~~
* To document the Web APIs, we follow the http://apidocjs.com/[APIDOC] standards.
apidoc -f ".*\\.m" -i UI -o Documentation/JSON-API
* When returning JSON from an object extending UIxComponent, use the following method:
- (WOResponse *) responseWithStatus: (unsigned int) status
andJSONRepresentation: (NSObject *) contentObject;
HTML
~~~~
* Localize your strings:
<var:string label:value="I'm localized!"/>
* Localize your attributes:
<input type="text" label:placeholder="I'm localized!"/>
* Reuse existing localized strings as much as possible. Otherwise don't forget to update the English Localizable.strings file of the appropriate module.
JavaScript
~~~~~~~~~~
* http://eslint.org/
* http://standardjs.com
* https://github.com/toddmotto/angularjs-styleguide
* https://github.com/angular/material/blob/master/docs/guides/CODING.md
* http://jshint.com/
* https://github.com/angular/material/tree/master/docs/guides
* We conform to https://github.com/airbnb/javascript[Airbnb coding standards]. Use https://github.com/jscs-dev/node-jscs[jscs] with the 'airbnb' preset to validate your code style:
jscs -p airbnb *.js
* For documentation, we follow the http://usejsdoc.org/[JSDoc3] standards:
jsdoc UI/WebServerResources/js/{Common,Contacts,Mailer,Preferences,Scheduler}/*.js -d Documentation/JavaScript-API
Models (facades)
^^^^^^^^^^^^^^^^
////
http://trochette.github.io/Angular-Design-Patterns-Best-Practices/
////
* Move business logic into models and share them.
* Keep it simple, separate server interaction and error handling from the model. That way model only handle data processing and code is easier to maintain.
Controllers
^^^^^^^^^^^
* Functions not exposed in the controller must be prefixed with an underscore.
SASS/CSS
~~~~~~~~
* http://componentcss.com/
* https://github.com/styleguide/css
* https://smacss.com/
* http://cssguidelin.es/
* http://sixrevisions.com/css/css-methodologies/
* https://css-tricks.com/what-a-css-code-review-might-look-like/
* http://una.im/classy-css/
* http://stylelint.io/
A `@mixin` is like a stamp: it creates a duplicated version of the property block (optionally) with arguments provided. An `@extend` appends the element you are extending to the property block. It is your "yes, and ___" statement.
* For documentation, we follow http://sassdoc.com/[SassDoc] annotations.
* FlexBox compatibility http://caniuse.com/#feat=flexbox
Fonts
^^^^^
* http://mozilla.github.io/Fira/[Mozilla Fira]
* https://www.google.com/design/icons/[Material icons]
Building frontend
-----------------
* Install the latest stable release of https://nodejs.org[Node.js]
* Install grunt
npm install -g grunt-cli
npm install -g bower
* We need the SASS files of Angular Material to build our CSS. The git repository of Angular Material is included as a submodule of SOGo:
git submodule init
git submodule update
* Generate the JavaScript and CSS files
cd UI/WebServerResources
npm install
bower install
grunt build
Defining an alternate color theme
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SOGo relies on the https://material.angularjs.org/latest/Theming/01_introduction[theming system of Angular Material] to define the colors of the Web interface.
To overwrite the default theme in SOGo, set the following parameter in `/etc/sogo/sogo.conf`:
SOGoUIAdditionalJSFiles = (js/theme.js);
Edit `theme.js` under `/usr/lib64/GNUstep/SOGo/WebServerResources/js` or `/usr/lib/GNUstep/SOGo/WebServerResources/js` depending on your platform and restart sogod.
Version Control
---------------
* https://devcharm.com/articles/46/improve-your-git-workflow/
* https://github.com/angular/material/blob/master/docs/guides/CONTRIBUTING.md#-commit-message-format
* Each commit should cover only one thing;
* Begin the commit message with a single short (less than 50 characters) line summarizing the change, followed by a blank line and then a more thorough description;
* When fixing a bug, commit to the devel branch as well as the maintenance branch of the latest release version (named maintenance/x.y). When a ticket is associated to the bug, add to the description a line saying *Fixes #1234*.
* `git pull` may introduce http://stackoverflow.com/questions/15316601/in-what-cases-could-git-pull-be-harmful[inconsistencies and problems]. Replace it with the following alias:
git config --global alias.up '!git remote update -p; git merge --ff-only @{u}'
Testing
-------
* https://github.com/angular/protractor
* http://karma-runner.github.io/
JSON API
~~~~~~~~
One practical way to test the JSON API is to use `curl`. To do so, you need to enable `SOGoTrustProxyAuthentication` and configure HTTP authentifcation in Apache. You can pipe the result to http://stedolan.github.io/jq/[jq] to nicely format and filter the output:
curl -u username:password http://localhost/SOGo/so/username/Calendar/calendarslist | jq '.'
curl -u username:password -H 'Content-Type: application/json' -d '{}' http://localhost/SOGo/so/francis/Calendar/personal/71B6-54904400-1-7C308500.ics/save