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I’d like to make a sort of filter using Django. Imagine the following case:
The intention would be to generate rules from an Application and these rules would be several And and OR chained. If anyone can give me a north or tell me how they solved a problem similar to this and would be very grateful.
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Take a look at Django Filters. It’s super powerful, it already has standard behaviors that I think will suit you, but coce tbm can create its own Filters classes and within them implement its rules http://django-filter.readthedocs.io/en/latest/ref/filters.html
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You can use Objects Q() to compose your querysets dynamically (https://docs.djangoproject.com/en/2.0/ref/models/querysets/#Django.db.models. Q)
I wrote in my Medium blog a tutorial illustrating how to compose these dynamic queries, they are even faster and safer (avoid race conditions) than the native Django filter().
https://medium.com/@csantosmachado/compounding-querysets-no-Django-utilizing-objects-q-c88bc3f65031
Man, thank you so much. Great job helping the community ! You can send me your contact so we can exchange idea ?
@Gabriel can search me on facebook, in the community of Python Brasil, I am administrator there. =)
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Your question is too comprehensive, comprehensive and/or vague questions will get answers of the same kind, so I think @Gregory’s answer is enough. The ideal would be for you to present some code and show where the doubt is.
– Sidon