AdamC schrieb:
> I'm really at sea here with my models. I used to have an application
> in python with cgi, which would allow children to solve simple
> multiplication problems and earn points for their team, which is then
> displayed in a league table.
>
> I thought it would be fun to port this over to django to see how it
> works. I've written other more simple apps with django and so am up
> for the challenge.
>
> However, I'm not sure how to construct my models so that they work
> properly once everything is built.
>
> tables/models.py looks like this so far:
>
> from django.db import models
> # The pupil
> class Pupil(models.Model):
> name = models.CharField(max_length=200)
> score = models.IntegerField()
> result = models.ManyToManyField('Result')
> team = models.OneToOneField('Team')
>
> #The teams that the pupils will support
> class Team(models.Model):
> name = models.CharField(max_length=200)
> pupils = models.ManyToManyField('Pupil')
>
> # The results from the games that the pupils play (including table
> taken and the results out of 10 for that game)
> class Result(models.Model):
> date = models.DateTimeField(auto_now_add=True)
> pupil = models.ManyToManyField('Pupil')
> table = models.ManyToManyField('Table')
> score = models.IntegerField()
>
> #What tables are we offering at the moment to test?
> class Table(models.Model):
> TABLE_CHOICES = ( '2', '5', '10')
> table = models.CharField(max_length=1, choices=TABLE_CHOICES)
>
> #Will control how many points each times table will earn for the pupil
> for each game.
> class Point (models.Model):
> point = models.IntegerField()
> table = models.OneToOneField('Table')
>
> I basically want to keep results for each test taken and then
> aggregate these in to total scores for the pupil but also total score
> for the team that the pupil belongs to.
> Each multiplication table will have a different score (7x are harder
> and so should earn more points that 2x).
>
> Can anyone offer this newbie some advice on why this doesn't validate?
> Any other offers of how better to construct these models would also be
> appreciated.
>
> Thanks in advance.
> Adam
> --
> You back your data up on the same planet?
> http://www.monkeez.org
> PGP key: 0x7111B833
>
> >
Hi Adam,
use:
table = models.OneToOneField(Table)
instead of
table = models.OneToOneField('Table')
You don't have to use ' there.
Happy Coding
Manuel
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