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Features Everywhere!
 Feature Driven Development



  By Jay Callicott, Mediacurrent
Features Everywhere! Outline
 About Features
 The Problem
 The Solution
 How to Create a Feature
 Feature Driven Developme...
About Features

 Who Uses Features?
   Created by DevelopmentSeed
      Used extensively in OpenAtrium
   Phase2
      Use...
The Problem

 Drupal has many items in the database
    Views
    CCK Content types
    Imagecache
    Context
    Setting...
The Solution - Features!
  Features' Benefits:
     Work more in the ‘problem space’
     Encapsulation - Yes!
     Backup...
How To Create a Feature

 Install and Enable the Following:
     Features
     Strongarm (important)
         Saves additi...
How to Create a Feature
Go to /admin/build/features




                              (Sample screen)
How To Create a Feature
Go to /admin/build/features/create and add components
How to Create a Feature
Click download and save tar file to hard drive (this contains
feature module files)
How to Create a Feature
Extract your feature folder to your project (screenshot showing
7zip on Windows 7)
How to Create a Feature
Add/commit to svn/git, svn up and enable on your Drupal site
How to Create a Feature
Your views, content types, etc will now be enabled, you have
just deployed a feature!
How to Create a Feature
To update use drush features-update + svn commit to update
your features or 'recreate' for additio...
How to Create a Feature
Revert components if you a) updated a feature on another
environment or b) want to restore a featu...
How to Create a Feature
Add all your hooks to your .module file, e.g. form_alter(),
nodeapi hooks, etc.
Feature Driven Development
 Kill the customcontent module
      Doesn't mean anything
      Isn't modular
 Create a 'Featu...
The End

More Links/Resources:
  Features Project Page
  DevelopmentSeed Blog for updated information on
  Features
  Auto...
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Features everywhere

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Drupal feature-driven development. Creating resuable code using the 'Features' module.

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Transcript of "Features everywhere "

  1. 1. Features Everywhere! Feature Driven Development By Jay Callicott, Mediacurrent
  2. 2. Features Everywhere! Outline About Features The Problem The Solution How to Create a Feature Feature Driven Development
  3. 3. About Features Who Uses Features? Created by DevelopmentSeed Used extensively in OpenAtrium Phase2 Used extensively in OpenPublish Recommended Reading Managing and deploying configuration with exportables and the Features module - DrupalCon presentation by Jeff Miccolis of Development Seed Making and Using Features in Drupal - Blog by Young Hahn of Development Seed
  4. 4. The Problem Drupal has many items in the database Views CCK Content types Imagecache Context Settings Moving these between environments is cumbersome Backing these up is a pain No version control Developers can accidentally override each other's work
  5. 5. The Solution - Features! Features' Benefits: Work more in the ‘problem space’ Encapsulation - Yes! Backup - Yes! Version Control - Yes! Easier deployment Code reuse! A place for your form_alters and nodeapi() hooks Drush integration And much, much more! Replace install profiles! Features break an install into components Create a distribution with drush .make (music site, newspaper site, govt, blog, etc)
  6. 6. How To Create a Feature Install and Enable the Following: Features Strongarm (important) Saves additional settings with your content types that would otherwise not get save Context Recommended over admin/build/block Diff (recommended) Can view differences in code
  7. 7. How to Create a Feature Go to /admin/build/features (Sample screen)
  8. 8. How To Create a Feature Go to /admin/build/features/create and add components
  9. 9. How to Create a Feature Click download and save tar file to hard drive (this contains feature module files)
  10. 10. How to Create a Feature Extract your feature folder to your project (screenshot showing 7zip on Windows 7)
  11. 11. How to Create a Feature Add/commit to svn/git, svn up and enable on your Drupal site
  12. 12. How to Create a Feature Your views, content types, etc will now be enabled, you have just deployed a feature!
  13. 13. How to Create a Feature To update use drush features-update + svn commit to update your features or 'recreate' for additions (new views, etc)
  14. 14. How to Create a Feature Revert components if you a) updated a feature on another environment or b) want to restore a feature to it's original state
  15. 15. How to Create a Feature Add all your hooks to your .module file, e.g. form_alter(), nodeapi hooks, etc.
  16. 16. Feature Driven Development Kill the customcontent module Doesn't mean anything Isn't modular Create a 'Feature' for every feature on your Drupal site My methodology adapted from OpenAtrium, DevSeed, OpenPublish Create a feature for every content type Package with any related views Package relevant imagecache presets Sometimes directly related permissions I package all context in it's own feature, but some package related context in each feature Place all related form_alters, nodeapi hooks, hook_menus(), etc in the .module file That's it!
  17. 17. The End More Links/Resources: Features Project Page DevelopmentSeed Blog for updated information on Features Automating Drupal deployment with Drush and Features - Drupalcamp Austin Presentation by Adam Jensen and Adrian Rollett | UNT.edu
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