56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
from django.conf import settings
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from django.db import models
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from django.db.models.signals import post_delete
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from django.dispatch import receiver
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import json
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from colorfield.fields import ColorField
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import typing
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if typing.TYPE_CHECKING:
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from app.models.place import Place
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class Category(models.Model):
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name = models.CharField('Name', max_length=100)
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color = ColorField('Farbe', default='#3388ff', max_length=7)
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fg_color_white = models.BooleanField('Textfarbe Weiß', default=False)
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sort = models.IntegerField('Sortierung', default=0)
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places: 'models.QuerySet[Place]'
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class Meta:
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verbose_name = 'Kategorie'
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verbose_name_plural = 'Kategorien'
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ordering = ('sort',)
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def __str__(self) -> str:
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return self.name
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def save(self, *args, **kwargs):
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rv = super().save(*args, **kwargs)
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Category.update_json()
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return rv
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@staticmethod
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def update_json():
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with open(settings.MEDIA_ROOT / 'categories.json', 'w') as fp:
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json.dump(Category.asJson(), fp)
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@staticmethod
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def asJson() -> 'list[dict[str, str]]':
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rv = []
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for x in Category.objects.all():
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rv.append({
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'id': x.pk,
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'name': x.name,
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'color': x.color,
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'inv': x.fg_color_white,
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})
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return rv
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@receiver(post_delete, sender=Category)
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def on_delete_Audiofile(sender, instance: 'Category', using, **kwargs):
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Category.update_json()
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