Managing multiple geographies and time zones in Django - part 2

Last month, I demonstrated how to handle geographies in a Django app, so that:

• users can only interact with objects attached to their geography;
• users see datetimes in the local time zone of their geography.

This is an example of multi-tenancy: each geography is a tenant.

Then I had an uncommon requirement: let a user account interact with several geographies. It’s …

Managing multiple geographies and time zones in Django

“Oh, I’ll just write a small Django app…”

For the last couple years, I’ve been building and maintaining a Django application to manage mobile push notification campaigns for myCANAL.

Through the Django admin, campaign managers define their messages and schedule campaigns targeted at user segments. A handful of cron jobs take care of importing segments from our data lake and sending campaigns via mobile push notification APIs.