That should just require a basic if/then logic test; "get" the correct Club
object, update the win/loss field and save the Club. Repeat for both Clubs.
On Thursday, 18 April 2019 14:09:41 UTC+2, omar ahmed wrote:
>
> thank you for response , derek
> but how can i increment 'win' 'lost' or 'draw' Club fields by 'winner'
> Match field
>
> On Wednesday, April 17, 2019 at 3:26:22 PM UTC+2, Derek wrote:
>>
>> 1. Add a "winner" field to your Match
>> 2. Implement a post_save signal for the Match model that updates the
>> "won" or "lost" fields for each Club in the match (simple if/then logic
>> based on winner).
>>
>> PS I think the default values for "won" and "lost" for a Club should be
>> "0" and not "1".
>>
>> On Tuesday, 16 April 2019 20:19:34 UTC+2, omar ahmed wrote:
>>>
>>> hello ... i have two models "Club" class and "Match" class and it has
>>> foreign key to Club
>>> now i want to increment "won" field (or draw or lost) in "Club" class by
>>> "score_local" and "score_visitor" in "Match" class ..
>>> how can i do this
>>> class Club(models.Model):
>>> name = models.CharField(max_length=100)
>>> won = models.IntegerField(default=1)
>>> draw = models.IntegerField(default=1)
>>> lost = models.IntegerField()
>>> goal_for = models.IntegerField()
>>> goal_against = models.IntegerField()
>>>
>>>
>>> class Match(models.Model):
>>> play_date = models.DateTimeField('play date')
>>> club_visitor = models.ForeignKey(Club, on_delete=models.CASCADE,
>>> related_name='match_club_visitor')
>>> club_local = models.ForeignKey(Club, on_delete=models.CASCADE,
>>> related_name='match_club_local')
>>> score_visitor = models.IntegerField()
>>> score_local = models.IntegerField()
>>>
>>
--
You received this message because you are subscribed to the Google Groups
"Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/django-users.
To view this discussion on the web visit
https://groups.google.com/d/msgid/django-users/964943b5-1fcb-4324-97bf-3b964af23e36%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
