161 lines
4.9 KiB
Python
161 lines
4.9 KiB
Python
from decimal import Decimal
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from django.core.validators import MinValueValidator
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from django.db import models
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from django.contrib.auth.models import User
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from django.utils import timezone
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from currencies.models import ExchangeRate
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class Option(models.Model):
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name = models.CharField(max_length=200, unique=True)
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description = models.CharField(max_length=200, unique=True)
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value = models.IntegerField(default=5)
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enabled = models.BooleanField(default=False)
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def __str__(self):
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return self.name
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class ArticleStatus(models.Model):
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name = models.CharField(max_length=50, unique=True)
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def __str__(self):
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return self.name
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class Category(models.Model):
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name = models.CharField(max_length=200, unique=True)
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parent_category = models.ForeignKey('self', null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name_plural = "Categories"
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class Article(models.Model):
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name = models.CharField(max_length=200)
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category = models.ForeignKey(Category, null=True)
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description = models.TextField(max_length=2000)
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stock = models.FloatField(max_length=5)
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status = models.ForeignKey(ArticleStatus)
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price_in_chf = models.DecimalField(max_digits=19,
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decimal_places=2,
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validators=[MinValueValidator(
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Decimal('0.00'))])
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def __str__(self):
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return self.name
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class OrderStatus(models.Model):
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""" Warehouse Items have Status like ordered or out of Stock """
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name = models.CharField(max_length=200, unique=True)
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def __str__(self):
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return self.name
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class OrderOfGoods(models.Model):
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""" Warehouse operations """
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article = models.ForeignKey(Article)
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amount = models.FloatField(max_length=5)
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delivery_date = models.DateField()
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order_date = models.DateTimeField(auto_now_add=True)
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order_status = models.ForeignKey(OrderStatus)
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class Meta:
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verbose_name_plural = "Order of Goods"
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class Picture(models.Model):
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""" Pictures in relationship to Articles """
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name = models.CharField(max_length=200)
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article = models.ForeignKey(Article)
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image = models.ImageField(upload_to="images")
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def __str__(self):
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return self.name
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class Order(models.Model):
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""" Submitted Orders """
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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status = models.ForeignKey(OrderStatus)
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date = models.DateTimeField(default=timezone.now)
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exchange_rate = models.ForeignKey(ExchangeRate, null=True)
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def __str__(self):
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return str(self.id)
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class OrderPosition(models.Model):
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""" Items in Submitted Orders"""
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article = models.ForeignKey(Article, on_delete=models.CASCADE)
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order = models.ForeignKey(Order, on_delete=models.CASCADE)
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amount = models.FloatField(max_length=5)
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price_in_chf = models.DecimalField(max_digits=19,
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decimal_places=2,
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validators=[MinValueValidator(
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Decimal('0.00'))])
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def calculate_position_price(self):
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decimal_amount = Decimal.from_float(self.amount)
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self.position_price = decimal_amount * self.article.price_in_chf
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class ShoppingCart(models.Model):
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""" Cart to User Relationships """
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name = models.CharField(max_length=200, null=True)
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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def __str__(self):
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return str(self.id)
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class CartPosition(models.Model):
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""" Items in Cart """
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article = models.ForeignKey(Article, on_delete=models.CASCADE)
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amount = models.FloatField(max_length=5)
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cart = models.ForeignKey(ShoppingCart, on_delete=models.CASCADE)
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position_price = models.DecimalField(max_digits=19,
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decimal_places=2,
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validators=[MinValueValidator(
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Decimal('0.00'))],
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null=True)
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def calculate_position_price(self):
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decimal_amount = Decimal.from_float(self.amount)
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self.position_price = decimal_amount * self.article.price_in_chf
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class City(models.Model):
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name = models.CharField(max_length=200)
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zip_code = models.PositiveSmallIntegerField()
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def __str__(self):
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return '{} {}'.format(self.zip_code, self.name)
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class Meta:
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verbose_name_plural = "Cities"
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ordering = ['zip_code']
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class Salutation(models.Model):
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name = models.CharField(max_length=20)
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def __str__(self):
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return self.name
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class Person(models.Model):
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salutation = models.ForeignKey(Salutation)
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city = models.ForeignKey(City)
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street_name = models.CharField(max_length=200)
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street_number = models.CharField(max_length=4)
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user = models.OneToOneField(User, on_delete=models.CASCADE)
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def __str__(self):
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return self.user.username
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