My presentation about developing high quality code at JandBeyond 2011.

1. J and Beyond Conference The Netherlands, May 2011 www.jandbeyond.org Joomla! FrameworkS kung Fu Oleg nesterov

2. Why you can believe me

3. What is this about? High Quality Code Not Repeating Yourself

4. WHY It’s IMportant

5. WHY It’s IMportant 70% spaghetti code

6. Agenda What is a framework? Developing with Joomla 1.5 framework. Other frameworks for Joomla.

7. WHAT IS A FRAMEWORK

8. A set of tools which allows you to concentrate on the business logic of your app while it takes up everything else!

9. GENERAL ARCHITECTURE

10. GENERAL ARCHITECTURE

11. SECURITY

12. SECURITY

13. DATABASE MANAGEMENT

14. DATABASE MANAGEMENT

15. PATTERNS: MVC, Factory, etc.

16. PATTERNS: MVC, Factory, etc.

17. FILES & CLASSES MANAGEMENT

18. FILES & CLASSES MANAGEMENT

19. DISPATCHING

20. DISPATCHING

21. ROUTINE TASKS

22. ROUTINE TASKS

23. OVERRIDE IT

24. OVERRIDE IT

25. FULLFIL 3 OF MY WISHES 1. Give me a full-featured webshop, 2. test it, 3. and beer please.

26. Why you can believe me WHAT J! FW OFFERS

27. Why you can believe me WHAT J! FW OFFERS

28. YOU CAN CREATE GOOD CODE WITH JOOMLA!

29. Why you can believe me J! GENERAL ARCHITECTURE Application Base Cache Client DatabaseDocumentEnvironmentError Event File system Filter HTML Installer LanguageMailPlugin Registry Session Template UserUtilities and more… … not bad

30. Why you can believe me SECURITY FILTER INPUT, ESCAPE OUTPUT! JRequest JDatabase::Quote, getEscaped, int http://shiflett.org/blog/2005/feb/my-top-two-php-security-practices http://docs.joomla.org/Developers#Security

31. Why you can believe me Files INCLUDING JLoader jimport require_once

32. AUTOLOADING System Plugin Loader Class registers

33. COMPONENT DISPATCHING Joomla 1.5 way

34. COMPONENT DISPATCHING MAIN CONTROLLER Controller 1 Controller 2 … Controller n Joomla 1.5 way

35. COMPONENT DISPATCHING MAIN CONTROLLER In fact: 0 controllers Joomla 1.5 way

36. COMPONENT DISPATCHING MASTER CONTROLLER Controller 1 Controller 2 … Controller n http://docs.joomla.org/JController_and_its_subclass_usage_overview Joomla 1.6 way

37. COMPONENT DISPATCHING BASE DISPATCHER Component Dispatcher dispatch()

38. COMPONENT DISPATCHING MyDispatcher::dispatch(array('component_name' => mycp', 'default_view' => ‘my‘ )); 1 line of code

39. MVC Model Controller View User

40. NO FRAMEWORK WILL HELP YOU IF YOU DON’T UNDERSTAND MVC!

41. СONTROLLER IS THE BOSS!

42. Controller Getting request data; Getting model & view instances; Updating model states; Calling model action methods (e.g. delete, save, remove); Calling view methods to render a template. Database tasks; Manipulating model data; Rendering templates.

43. MODEL IS A HARD WORKER!

44. MODEL Storing a state; Performing database tasks; Formatting data; …all other data tasks. Getting request data; Rendering templates.

45. VIEW IS A STYLIST!

46. VIEW Rendering templates

47. MVC IN JOOMLA! JCONTROLLER JMODEL JVIEW

48. REAL MVC WITH J? A simple list with filtering

49. REAL MVC WITH J? request Controller Model state model with updated state View display()

50. REAL MVC WITH J? request Controller Model state model with updated state View no state display()

51. REAL MVC WITH J! Make JController::getModel method to store a model

52. 1 DB TABLE = 1 MVC

53. A TYPICAL J! PAGE

54. A TYPICAL J! PAGE BORING TASKS 

55. SEND BORING TASKS TO YOUR FRAMEWORK

56. Boring tasks It’s all about CRUD, both on the back-end & front-end

57. Boring tasks IT’s all about lists & forms

58. Boring tasks Base Classes code

59. WHERE TO STORE IT? SYSTEM PLUGIN LIBRARIES FOLDER COMPONENT

60. BENEFITS FROM PHP 5.x Magic methods, Interfaces, Exceptions, … it’s high time to implement them!

61. NOOKU FRAMEWORK: A MUST SEE FOR EVERY J! DEVELOPER!

62. Why you can believe me NOOKU FW KLoader, KFactory, Mixins, HMVC, … That is awesome!

63. CMSLAYER: A DIOSCOURI’S CODEBASE FOR LOADING EXTENSIONS ON DIFFERENT SYSTEMS!

64. CMSLAYER INTERFACE Implementation 1 Implementation 2 Implementation n cmsLayer interface cmsLayer base

65. CMSLAYER CODEBASE Feature1 Feature 2 Feature n cmsLayer base

66. CMSLAYER Joomla! Drupal WP cmsLayer product

67. Why you can believe me THANKS FOR COMING! http://twitter.com/onesterov http://onesterov.com http://www.slideshare.net/onesterov http://mindk.com nesterov.oleg@gmail.com WRITE GOOD CODE & BE HAPPY