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MVC The Good, The Bad and the Evil Hadi Hariri Developer & - PowerPoint PPT Presentation

Mar 28, 2024 •865 likes •1.5k views

MVC The Good, The Bad and the Evil Hadi Hariri Developer & Technical Evangelist JetBrains http://hadihariri.com http://twitter.com/hhariri <inpu nput type pe=" ="hid hidden den" " name=" ="__VI

  1. MVC The Good, The Bad and the Evil Hadi Hariri Developer & Technical Evangelist JetBrains http://hadihariri.com http://twitter.com/hhariri

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  5. Fallacy of Visual Productivity 12 Maintainability Factor 10 8 6 4 2 0 0 5 10 15 Drag’n’Drop Features

  6. Model View Controller

  7. Separation of Concerns…

  12. You’d think we learned…

  15. …one of many anti -patterns

  16. Single Responsibility Principle

  18. Write thy controllers so as tests shall not be needed

  19. Controller Responsibilities  Data conduit between View/Model

  20. Things to avoid  Everything that’s not data passing  Avoid repetitive tasks  Validations  Checks

  21. DRY up Controllers  Aspect Orientated Programming  Filters in MVC  Attribute  Filter Provider  Global Filters

  22. Filters OnActionExecuting OnActionExecuted  Action  OnResultExecuting OnResultExecuted

  23. Unknown Record DEMO

  24. Http Authentication DEMO

  25. Tight Coupling

  27. IoC DEMO

  28. Startup Tasks - Cleaning up Global.asax DEMO

  29. Startup Tasks - Containers DEMO

  30. NuGet  Create isolated infrastructure packages  Pluggable and Discoverable via  IoC  MEF

  31. The Model

  32. Model Options  Domain Model  Dynamic Model  View Model

  37. Domain Model

  38. How to perform Partial Updates?

  39. Where to place Extra Data?

  40. Dynamic Model

  41. Dynamic Model

  42. View Model

  43. Benefits of View Model  Clear Intentions  Ability for Extra Data  Ability for Partial Updates  Scaffolding Support

  44. Downside of View Model  Extra Mapping  Somewhat unnecessary Class explosion

  46. When we map we DRY

  47. AutoMapper DEMO

  48. Conventions and Model Lookups DEMO

  49. Overall: Convention / Compromise

  50. Coping with Complex Sites

  52. RenderAction – RenderPartial DEMO

  53. RESTifying your application

  54. ASP.NET MVC 4

  56. The “API” Controller  MVC for UI  Offers “REST” extensibility out of the box  Web API for API Controller  Offers “REST” features out of the box

  57. MVC 4 (not Web API)  Via extensibility  Content Negotiation  Caching  Routing  Hypermedia (not in Web API either)

  58. EasyMVC: Conventions for routing and more DEMO

  59. Other things to watch out for  Better Validation  FluentValidation  Script Organization  Bundling in MVC 4  Async Controllers  Controllerless Actions

  60. Any framework / language can and will allow bad code

  61. Thank you!

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