On 2014-12-17 06:34, Ben Gorman wrote:
> Notice the NULL value. This basically says "Game 2" consists of
> player 2 *and one undetermined* player. This functionality is what
> I need to replicate in Django. This is what I tried.
> 
> Models.py
> 
> class Player(models.Model):
>     player_name = models.CharField(max_length=60)
> class Game(models.Model):
>     players = models.ManyToManyField(Player, blank=True)
>     game_date = models.DateField(null=True, blank=True)
> 
> But with this setup I can't seem to replicate the functionality I
> described above. How do I accomplish this?

Sounds like you want to use the "through" property of a ManyToMany
field¹, something like

class Player(models.Model):
  # ...

class Game(models.Model):
  # ...
  players = models.ManyToMany(Player, through="PlayerGame")

class PlayerGame(models.Model):
  player = models.ForeignKey(Player)
  game = models.ForeignKey(Game, blank=True, null=True)
  # possible other attributes of a PlayerGame


-tkc

¹
https://docs.djangoproject.com/en/1.7/ref/models/fields/#django.db.models.ManyToManyField.through








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