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Reusability Of Symfony Component - Mindworks

By Oliver
Mindworks
Jarrestraße 42A
Take a look to knpbundles.

Hurdles

  • problem is solved in other language
  • problem is solved in other licence
  • can be solved by design patterns (abstract solution)
  • write a good bundle/component that is general enough takes much more time

Anti-Pattern

Reuseage by copy and paste.

  • decreases maintainability
  • decreases testability
  • violates dry principle

Scenario

  • community web application
  • users seek other users by interests
  • how to input data to easy up matching?

What Do We Need?

  • form widget (js and css based)
  • data transformer (converts format from storage to human readable presentation and back)
  • form type (provides name for form widget, called in FormTypes, gets TagManager injected and defines DataTransformer)
  • Entity Trait (avoid copy and paste)
  • Taggable Subscriber
  • Make it reusable (dedicated bundle, created composer project)
  • Use JavaScript and CSS via "composer component" (see web/bundles, RobLoach/component-installer)

Live Demo

Available on github

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