Avoiding the mud - Symfony Live London

Transcript

1. AVOIDING THE MUD by Richard Miller http://www.flickr.com/photos/burge5000/22568539/

2. @mr_r_miller http://www.richardmiller.co.uk

3. http://www.flickr.com/photos/brostad/8583990904

4. http://www.flickr.com/photos/dominik99/384027019

5. http://www.flickr.com/photos/jasmeet/2158002974

6. Bundles For Everything? http://www.flickr.com/photos/jarkel/2288176

7. Separate Domain Model From Bundles http://www.flickr.com/photos/30666161@N05/3705814710

8. HumanResourcesBundle

9. HumanResourcesBundle HumanResources

10. HumanResourcesBundle HumanResources

11. http://www.flickr.com/photos/26582481@N08/3040936355 Enough?

12. Still Tightly Coupled

13. AbsenceEntity Request Absence Form Cancel Absence Form Approve Absence Form

    Change Absence Type Form

14. Sensio\HumanResources\Absence\AbsenceEntity: properties: reason: - NotBlank: { groups: [cancellation] } -

    Length: { max: 300, groups: [cancellation] }

15. AbsenceEntity Request Absence Form Cancel Absence Form Approve Absence Form

    Change Absence Type Form Request Absence Command Cancel Absence Command Approve Absence Command Change Absence Type Command

16. What About Templates?

17. AbsenceEntity upcoming .html .twig details .html .twig calendar .html .twig

    unapproved .html .twig

18. {% if absence.endDate < date() %} past {% else %}

    absence.status {% endif %} getDisplayStatus() AbsenceEntity getEndDate() getStatus()

19. {% if absence.endDate < date() %} past {% else %}

    absence.status {% endif %} getDisplayStatus() AbsenceEntity getEndDate() getStatus()

20. {{ absence.displayStatus }} getDisplayStatus() AbsenceEntity getEndDate() getStatus() getDisplayStatus()

21. {{ absence.displayStatus }} getDisplayStatus() AbsenceEntity getEndDate() getStatus() getDisplayStatus()

22. AbsenceEntity Request Absence Form Cancel Absence Form Approve Absence Form

    Change Absence Type Form Absence View upcoming .html .twig details .html .twig calendar .html .twig unapproved .html .twig

23. AbsenceEntity Request Absence Form Cancel Absence Form Approve Absence Form

    Change Absence Type Form Absence View upcoming .html .twig details .html .twig calendar .html .twig unapproved .html .twig getStatus()

24. Unapproved Absence View Calendar View AbsenceEntity Request Absence Form Cancel

    Absence Form Approve Absence Form Change Absence Type Form Upcoming Absences View Absence Details View upcoming .html .twig details .html .twig calendar .html .twig unapproved .html .twig

25. SRP

26. Behaviour Not State

27. Request Absence Controller Absence Entity setReason($reason) setStatus(AbsenceEntity::CANCELLED) setCancellationDate(new DateTime()) Cancel

    Absence Command getReason()

28. Request Absence Controller Absence Entity cancel($reason) Cancel Absence Command getReason()

29. Cancel Absence Command Absence Entity Validate internal consistency Validate user

    input

30. CancelAbsenceComm andHandler Cancel Absence Command Handler AbsenceEntity cancel($reason) handle($command) Request

    Absence Controller Absence Entity cancel($reason) Cancel Absence Command

31. Infrastructure?

32. Absence Repository (Interface) findById($id) findUpcomingByMember($member) findAllByMember($member) Doctrine ORM Absence Repository

    Doctrine ODM Absence Repository Guzzle Client Absence Repository Infrastructure Domain

33. AbsenceEntity Absence Repository Domain Bundle Service Config Infrastructure Doctrine ORM

    Absence Repository Mapping Config

34. Absence Repository (Interface) findById($id) findUpcomingByMember($member) findAllByMember($member) add(AbsenceEntity $absence)

35. Events

36. OnUpdate Event AbsenceEntity Dispatches

37. OnUpdate Event AbsenceEntity Dispatches

38. Absence Cancelled Event Cancel Absence Command Handler Dispatches

39. Absence Cancelled Event In Memory Listener Immediate Action Place In

    Messaging Queue Listens

40. Absence Cancelled Event Flush Listener Listens Absence Approved Event Domain

    Infrastructure Listens

41. Separating Commands From Queries

42. Command Command Handler Entity Datastore

43. Datastore View Datastore View Datastore Command Command Handler Entity Event

44. Datastore View Datastore View Datastore Command Command Handler Entity View

    Template Event

45. Separating Bundles Horizontally

46. Non-application Specific Code

47. HumanResources CustomLoggingBundle HumanResourcesBundle

48. HumanResourcesBundle HumanResources CustomLoggingBundle CustomLogging CustomLoggingBundle CustomLoggingBundle CustomLogging HumanResourcesBundle

49. HumanResources CustomLoggingBundle CustomLogging CustomLoggingBundle CustomLoggingBundle CustomLogging If it must! HumanResourcesBundle

50. HumanResources CustomLoggingBundle CustomLogging CustomLoggingBundle CustomLoggingBundle CustomLogging HumanResourcesBundle

51. Separating By Context

52. AbsencePlannerBundle AbsencePlanner CustomLoggingBundle CustomLogging CustomLoggingBundle RecruitmentBundle Recruitment

53. Message Queue/REST AbsencePlannerBundle AbsencePlanner CustomLoggingBundle CustomLogging CustomLoggingBundle RecruitmentBundle Recruitment

54. CustomLoggingBundle CustomLogging CustomLoggingBundle RecruitmentBundle Recruitment Off the shelf Package Message

    Queue/REST Message Queue/REST AbsencePlannerBundle AbsencePlanner

55. Separate Commonality

56. AbsencePlannerBundle AbsencePlanner RecruitmentBundle Recruitment AbsencePlannerBundle AbsencePlanner CustomLoggingBundle CustomLogging CustomLoggingBundle RecruitmentBundle

    Recruitment User Management

57. != Staff Member Entity User Entity

58. AbsencePlannerBundle AbsencePlanner AbsencePlannerBundle AbsencePlanner CustomLoggingBundle CustomLogging CustomLoggingBundle RecruitmentBundle Recruitment UserManagementBundle

59. Now?

60. http://www.flickr.com/photos/mtsofan/8313606885

61. https://github.com/beberlei/litecqrs-php http://behat.org/

62. http://williamdurand.fr/ http://verraes.net/#blog http://www.whitewashing.de/

63. QUESTIONS?