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Where to put business logic?

Business Layer​

These are part of the business layer:

  • State classes
  • Actions and their reducers
  • Action selectors

UI Layer​

These are part of the UI layer:

  • Widgets
  • Context extensions
  • Widget selectors
  • StoreConnector, ViewModel and Factory

Where to put your business logic?​

  • Recommended: Put your business logic in your state classes.
  • You can also put business logic in your actions, but that's not the best place.

However:

  • Don't put your business logic in widgets
  • Don't put your business logic in the StoreConnector, ViewModel or Factory