LoggedUser Model

The LoggedUser class will keep an instance of the currently logged-in users and their details like name, email, etc. It also includes the following functions:

• upgradeMembership(): It updates the user’s membership from standard (default) to premium.
• fetchMembership(): It returns the current membership type that the user has.
• setPurchaseToken(String val): It sets the purchase token of the user.
• setProfileInfo(): It fetches the user’s profile information from the Firestore and stores it in the app.

Implementation

Create a .dart file inside the models folder and name it logged_user.dart.

The main function is the entry point of ...