Sith/stock/models.py

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from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.core.urlresolvers import reverse
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from django.conf import settings
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from counter.models import Counter, ProductType
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class Stock(models.Model):
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"""
The Stock class, this one is used to know how many products are left for a specific counter
"""
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name = models.CharField(_('name'), max_length=64)
counter = models.OneToOneField(Counter, verbose_name=_('counter'), related_name='stock')
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def __str__(self):
return "%s (%s)" % (self.name, self.counter)
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def get_absolute_url(self):
return reverse('stock:list')
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def can_be_viewed_by(self, user):
return user.is_in_group(settings.SITH_GROUP_COUNTER_ADMIN_ID)
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class StockItem(models.Model):
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"""
The StockItem class, element of the stock
"""
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name = models.CharField(_('name'), max_length=64)
unit_quantity = models.IntegerField(_('unit quantity'), default=0, help_text='number of element in one box')
effective_quantity = models.IntegerField(_('effective quantity'), default=0, help_text='number of box')
type = models.ForeignKey(ProductType, related_name="stock_items", verbose_name=_("type"), null=True, blank=True,
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on_delete=models.SET_NULL)
stock_owner = models.ForeignKey(Stock, related_name="items")
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def __str__(self):
return "%s" % (self.name)
def get_absolute_url(self):
return reverse('stock:items_list', kwargs={'stock_id':self.stock_owner.id})
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def can_be_viewed_by(self, user):
return user.is_in_group(settings.SITH_GROUP_COUNTER_ADMIN_ID)
class ShoppingList(models.Model):
"""
The ShoppingList class, used to make an history of the shopping lists
"""
date = models.DateTimeField(_('date'))
name = models.CharField(_('name'), max_length=64)
todo = models.BooleanField(_('todo'))
items_to_buy = models.ManyToManyField(StockItem, verbose_name=_('items to buy'), related_name="shopping_lists")
stock_owner = models.ForeignKey(Stock, null=True, related_name="shopping_lists")
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def __str__(self):
return "%s (%s)" % (self.name, self.effective_quantity)
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def get_absolute_url(self):
return reverse('stock:shoppinglist_list')
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def can_be_viewed_by(self, user):
return user.is_in_group(settings.SITH_GROUP_COUNTER_ADMIN_ID)