Re: How to use ManyToMany model relations to track user membership?

It sounds like you want to specify a custom many-to-many relationship
table using the manytomany.through option. Check out
https://docs.djangoproject.com/en/dev/topics/db/models/#intermediary-manytomany
for an example.

On Sep 9, 12:10 am, jollyroger <bombsiteunres...@gmail.com> wrote:
> Hi.
>
> Can someone please tell, what kind of relations is required to store
> user's membership in multiple groups to be able to recover:
>
>    1. history of user participation in some groups (date joined, date
> quit)
>    2. list of current user groups (in join order) to determine his
> current status
>    3. list of users, who were participating in that group at a given
> period of time
>
> I guess it is ManyToMany (or an ugly kind of OneToMany), but can't
> decide how to implement it; need a minimal example in Django.
>
> And what kind of database consistency problems should be expected at
> deleting some group/user?

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