Re: compute model field by related field

Implement rest framework

On Tue, Apr 16, 2019, 9:20 PM omar ahmed <omarkadytt@gmail.com> 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()

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