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Django Logic - easy way to implement state-based business logic

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Django-Logic (under development)

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django-logic - easy way to implement state-based business logic

Django Logic is a lightweight workflow framework aims to solve an open problem "Where to put the business logic in Django?".

The Django-Logic package provides a set of tools helping to build a reliable product within a limited time. Here is the functionality the package offers for you:

  • Implement state-based business processes combined into Processes.
  • Provides a business logic layer as a set of conditions, side-effects, permissions, and even celery-tasks combined into a transition class.
  • In progress states
  • REST API actions - every transition could be turned into a POST request action within seconds by extending your ViewSet and Serialiser of Django-Rest-Framework
  • Form buttons (TODO) - add buttons to your form and templates based on available transitions
  • Background side-effects before or after transition executed. It gives you reach functionality to implement complicated business rules without into details.
  • Draw your business processes to get a full picture of all transitions and conditions.
  • Easy to read the business process
  • One and only one way to implement business logic. You will be able to extend and improve the Django-Logic functionality and available handlers. However, the business logic will remain the same and by following SOLID principles.
  • Test your business logic by unit-tests as pure functions.
  • Protects from overwritten states, locks, etc. already implemented in Django Logic and you could control the behaviour.
  • Several states can be combined under the same Model.

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