This is a back-end API written in Python with Flask and sqlalchemy to allow users to access a podcast store. In this podcast store, there are podcasts, tracks, users, tags, and users should be able to express a reaction to any track. This back-end is not completed yet, but it was reimplemented in Flask to be compared with podcaststore-django.
Based on the API and back-end requirements, the following UML relational diagram will be implemented: