21 lines
719 B
Python
21 lines
719 B
Python
from .models import Track, Vote
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from random import choice, seed
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def from_json(cls, json):
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try:
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return cls.objects.get(pk=json["id"])
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except cls.DoesNotExist:
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keys = [f.name for f in cls._meta.get_fields()]
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subset = {key:json[key] for key in set(keys) & set(json.keys())}
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return cls.objects.create(**subset)
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def get_unvoted(user):
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votes = set(Vote.objects.filter(user=user).values_list('track_id', flat=True))
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tracks = set(Track.objects.filter(banter_done=True).values_list('pk', flat=True))
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seed(user.username)
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try:
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random_track = choice(list(tracks - votes))
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return Track.objects.get(pk=random_track)
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except IndexError:
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return None
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