150 lines
4.6 KiB
Python
Executable File
150 lines
4.6 KiB
Python
Executable File
|
|
from datetime import datetime
|
|
|
|
from django.conf import settings
|
|
from django.db import models
|
|
from django.utils.translation import ugettext_lazy as _
|
|
|
|
|
|
|
|
class Product(models.Model):
|
|
name = models.CharField(max_length=64)
|
|
sale_price_int = models.FloatField()
|
|
sale_price_ext = models.FloatField()
|
|
description = models.CharField(max_length=256, blank=True)
|
|
volume_liter = models.FloatField(null=True)
|
|
alcohol_percent = models.FloatField(null=True)
|
|
image = models.ImageField(upload_to='products', blank=True)
|
|
customer_support = models.CharField(max_length=32, blank=True)
|
|
inventory_amount = models.FloatField(default=0)
|
|
active = models.BooleanField(default=True)
|
|
created = models.DateTimeField(auto_now_add=True)
|
|
updated = models.DateTimeField(auto_now=True)
|
|
|
|
@property
|
|
def wholesale_unit_price(self):
|
|
"""
|
|
This is not accurate.
|
|
"""
|
|
if self.inventory_amount <= 0:
|
|
return 0
|
|
|
|
unit_prices = self.transactions.order_by('created').values('amount', 'unit_price')
|
|
sum_units = 0
|
|
for up in unit_prices:
|
|
sum_units += up['amount']
|
|
if self.inventory_amount <= sum_units:
|
|
return up['unit_price']
|
|
|
|
if len(unit_prices) > 0:
|
|
return unit_prices[0]['unit_price']
|
|
|
|
return 0
|
|
|
|
@property
|
|
def wholesale_value(self):
|
|
return self.wholesale_unit_price * self.inventory_amount
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
class Meta:
|
|
ordering = ['name']
|
|
|
|
|
|
|
|
class Order(models.Model):
|
|
customer = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, null=True, blank=True, related_name='orders')
|
|
order_sum = models.FloatField(db_column='sum')
|
|
created = models.DateTimeField(auto_now_add=True)
|
|
|
|
def is_external(self):
|
|
return self.customer is None
|
|
|
|
def reciept(self):
|
|
return "{}".format(", ".join([str(ol) for ol in self.orderlines.all()]))
|
|
|
|
def __str__(self):
|
|
return "{}: {} kr".format(self.customer or "Ekstern", self.order_sum)
|
|
|
|
|
|
|
|
class OrderLine(models.Model):
|
|
order = models.ForeignKey('main.Order', on_delete=models.CASCADE, related_name='orderlines')
|
|
product = models.ForeignKey('main.Product', on_delete=models.CASCADE, related_name='orderlines')
|
|
amount = models.IntegerField()
|
|
unit_price = models.FloatField(verbose_name=_('Enhetspris'))
|
|
|
|
@property
|
|
def price(self):
|
|
return self.amount * self.unit_price
|
|
|
|
def __str__(self):
|
|
return "{} {} ({} kr per)".format(self.amount, self.product, self.unit_price)
|
|
|
|
class Meta:
|
|
unique_together = ('order', 'product')
|
|
|
|
|
|
|
|
class Transaction(models.Model):
|
|
""" Money """
|
|
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='transactions')
|
|
amount = models.FloatField()
|
|
created = models.DateTimeField(auto_now_add=True)
|
|
|
|
def __str__(self):
|
|
return "{}: {}: {}".format(self.id, self.user, self.amount)
|
|
|
|
|
|
|
|
class InventoryTransaction(models.Model):
|
|
""" Goods """
|
|
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='inventory_transactions')
|
|
product = models.ForeignKey('main.Product', on_delete=models.CASCADE, related_name='transactions', verbose_name=_('Produkt'))
|
|
amount = models.FloatField(verbose_name=_('Antall'))
|
|
unit_price = models.FloatField(verbose_name=_('Enhetspris'))
|
|
comment = models.TextField(verbose_name=_('Kommentar'), blank=True)
|
|
created = models.DateTimeField(auto_now_add=True)
|
|
|
|
@property
|
|
def price(self):
|
|
return self.amount * self.unit_price
|
|
|
|
def __str__(self):
|
|
return "{}: {}: {}. {:.0f} stykker ({} kr per)".format(
|
|
self.id,
|
|
self.user,
|
|
self.product,
|
|
self.amount,
|
|
self.unit_price)
|
|
|
|
|
|
|
|
class UserProfile(models.Model):
|
|
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='profile')
|
|
balance = models.FloatField(default=0.0)
|
|
image = models.URLField(blank=True)
|
|
|
|
def last_purchase(self):
|
|
if len(self.user.orders.all()) == 0:
|
|
return None
|
|
|
|
return self.user.orders.order_by('-created')[0]
|
|
|
|
def last_purchase_date(self):
|
|
last = self.last_purchase()
|
|
last_p = last.created if last else datetime.min
|
|
return last_p
|
|
|
|
def profile_image_url(self):
|
|
from django.templatetags.static import static
|
|
|
|
if not self.image:
|
|
return static('dist/images/unknown_person.png')
|
|
|
|
return self.image
|
|
|
|
def __str__(self):
|
|
return "{}".format(self.user)
|