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 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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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)
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unit_quantity = models.IntegerField(_('unit quantity'), default=0, help_text='number of beer in one crate (equal one for barrels)')
effective_quantity = models.IntegerField(_('effective quantity'), default=0, help_text='total number of bottle/barrel')
type = models.ForeignKey(ProductType, related_name="stockItem_type", verbose_name=_("type"), null=True, blank=True,
on_delete=models.SET_NULL)
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stock_owner = models.ForeignKey(Stock, related_name="stock_owner")
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def __str__(self):
return "%s (%s)" % (self.name, self.stock_owner)
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