Use Symfony Serializer to parse data from API and create DTO for each API endpoint.
The idea is to bring a strong typed model with utility functions to be able to access all data easily.

Endpoints to update:

• ProfileApi
• ProgressionApi
• RankApi
• StatisticApi

Resources:

• https://dzone.com/articles/practical-php/practical-php-patterns-data (just for the idea of what is a DTO, I will prefer to use public attributes over useless get/set methods)
• https://symfony.com/doc/current/components/serializer.html