backend/passfinder/recomendations/models.py

from django.db import models
from passfinder.users.models import User
from passfinder.events.models import Event, Hotel


class UserPreferences(models.Model):
    user = models.ForeignKey(User, on_delete=models.CASCADE)

    preffered_plays = models.ManyToManyField(Event, related_name='preffered_user_play')
    unpreffered_plays = models.ManyToManyField(Event, related_name='unpreffered_users_play')

    preffered_movies = models.ManyToManyField(Event, related_name='preffered_user_movie')
    unpreffered_movies = models.ManyToManyField(Event, related_name='unpreffered_user_movie')

    preferred_concerts = models.ManyToManyField(Event, related_name='preffered_users_concert')
    unpreferred_concerts = models.ManyToManyField(Event, related_name='unpreffered_users_concert')


class NearestEvent(models.Model):
    event = models.ForeignKey(Event, on_delete=models.CASCADE, related_name='nearest_model_rel')
    nearest = models.ManyToManyField(Event, related_name='nearest_model_rev_rel')


class NearestHotel(models.Model):
    hotel = models.ForeignKey(Hotel, on_delete=models.CASCADE, related_name='nearest_hotel_rel')
    nearest_events = models.ManyToManyField(Event, related_name='nearest_hotel_rev_rel')