keymedia/managemedia/models/vgames.py

from django.db import models
from .common import CommonMediaFields,MediaTypes
class VGames(CommonMediaFields):
     tgdb_id = models.PositiveIntegerField('TheGamesDB ID')
     platform = models.ForeignKey('Platform', on_delete=models.CASCADE)
     cover = models.ImageField('Cover Image', blank=True)
     players = models.PositiveIntegerField('Players', blank=True)
     coop = models.BooleanField('Co-Op', blank=True)
     mc_rating = models.PositiveIntegerField('MetaCritic Rating', blank=True)

class Publishers(models.Model):
     name = models.CharField('Publisher Name', max_length=256)
     
class Developers(models.Model):
     name = models.CharField('Developer Name', max_length=256)
     
class Platform(models.Model):
     name = models.CharField('Game System', max_length=256)
     
class PublisherMap(models.Model):
     publisher = models.ForeignKey('Publishers', on_delete=models.CASCADE)
     game = models.ForeignKey('VGames', on_delete=models.CASCADE)
     
class DeveloperMap(models.Model):
     developer = models.ForeignKey('Developers', on_delete=models.CASCADE)
     game = models.ForeignKey('VGames', on_delete=models.CASCADE)