mirror of https://gitlab.crans.org/bde/nk20
152 lines
3.4 KiB
Python
152 lines
3.4 KiB
Python
# Copyright (C) 2018-2024 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.db import models, transaction
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from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
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from member.models import Club
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from polymorphic.models import PolymorphicModel
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class QRCode(models.Model):
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"""
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An QRCode model
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"""
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qr_code_number = models.PositiveIntegerField(
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verbose_name=_("QR-code number"),
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unique=True,
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)
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food_container = models.OneToOneField(
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'Food',
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on_delete=models.PROTECT,
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related_name='QR_code',
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verbose_name=_('food container'),
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)
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class Meta:
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verbose_name = _("QR-code")
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verbose_name_plural = _("QR-codes")
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def __str__(self):
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return _("QR-code number {qr_code_number}").format(qr_code_number=self.qr_code_number)
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class Allergen(models.Model):
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"""
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A list of allergen and alimentary restrictions
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"""
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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)
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class Meta:
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verbose_name = _('Allergen')
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verbose_name_plural = _('Allergens')
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def __str__(self):
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return self.name
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class Food(PolymorphicModel):
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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)
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owner = models.ForeignKey(
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Club,
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on_delete=models.PROTECT,
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related_name='+',
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verbose_name=_('owner'),
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)
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allergens = models.ManyToManyField(
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Allergen,
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blank=True,
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verbose_name=_('allergen'),
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)
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expiry_date = models.DateTimeField(
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verbose_name=_('expiry date'),
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null=False,
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)
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was_eaten = models.BooleanField(
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default=False,
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verbose_name=_('was eaten'),
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)
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is_ready = models.BooleanField(
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default=False,
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verbose_name=_('is ready'),
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)
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def __str__(self):
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return self.name
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@transaction.atomic
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def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
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return super().save(force_insert, force_update, using, update_fields)
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class Meta:
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verbose_name = _('food')
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verbose_name = _('foods')
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class BasicFood(Food):
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"""
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Food which has been directly buy on supermarket
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"""
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date_type = models.CharField(
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max_length=255,
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choices=(
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("DLC", "DLC"),
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("DDM", "DDM"),
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)
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)
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arrival_date = models.DateTimeField(
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verbose_name=_('arrival date'),
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default=timezone.now,
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)
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# label = models.ImageField(
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# verbose_name=_('food label'),
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# max_length=255,
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# blank=False,
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# null=False,
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# upload_to='label/',
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# )
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class Meta:
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verbose_name = _('Basic food')
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verbose_name_plural = _('Basic foods')
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class TransformedFood(Food):
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"""
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Transformed food are a mix between basic food and meal
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"""
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creation_date = models.DateTimeField(
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verbose_name=_('creation date'),
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)
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ingredient = models.ManyToManyField(
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Food,
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blank=True,
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symmetrical=False,
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related_name='transformed_ingredient_inv',
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verbose_name=_('transformed ingredient'),
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)
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is_active = models.BooleanField(
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default=True,
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verbose_name=_('is active'),
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)
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class Meta:
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verbose_name = _('Transformed food')
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verbose_name_plural = _('Transformed foods')
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