Creation User QR CODE

Hello everyone, I have a problem with an application.

You can book in 2 different bars.
I would like each user to have their own QR CODE and take a reservation, the bar must scan their qr code and it adds +1 to them in a database linked to the user.
The objective is to remember the number of times the customer has come
can someone give me a tutorial please?

Hi @enzoprat ,

Design the database first.

Just an idea, have a bar collection linked to users with many to 1 and have additional field to store number of visitors.

The QR code can be unique ID of users, so that it can serve for filtering.

Merci beaucoup !

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