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72 lines
3.9 KiB
72 lines
3.9 KiB
3 weeks ago
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from django.db import models
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class Product(models.Model):
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name = models.CharField(max_length=255, verbose_name="Наименование товара")
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manufacturer_name = models.CharField(max_length=255, verbose_name="Производитель")
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manufacturer_country = models.CharField(max_length=255, verbose_name="Страна производителя")
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manufacturer_code = models.CharField(max_length=50, verbose_name="Код производителя", blank=True, null=True)
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dimensions = models.CharField(max_length=255, verbose_name="Размеры", blank=True, null=True)
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unit_of_measure = models.CharField(max_length=50, verbose_name="Единица измерения")
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shelf_life_days = models.IntegerField(verbose_name="Срок годности (дни)")
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barcode = models.CharField(max_length=50, unique=True, verbose_name="Штрихкод")
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def __str__(self):
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return self.name
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class StorageLocation(models.Model):
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TYPE_CHOICES = [
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('Store', 'Магазин'),
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('Distribution Center', 'Распределительный центр'),
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('Office', 'Офис'),
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]
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name = models.CharField(max_length=255, verbose_name="Наименование")
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type = models.CharField(max_length=50, choices=TYPE_CHOICES, verbose_name="Тип места хранения")
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def __str__(self):
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return self.name
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class StockOperation(models.Model):
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OPERATION_TYPE_CHOICES = [
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('Incoming', 'Приход'),
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('Outgoing', 'Расход'),
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('Transfer', 'Перемещение'),
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]
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product = models.ForeignKey(Product, on_delete=models.CASCADE, verbose_name="Товар")
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location = models.ForeignKey(StorageLocation, on_delete=models.CASCADE, verbose_name="Место хранения")
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operation_type = models.CharField(max_length=50, choices=OPERATION_TYPE_CHOICES, verbose_name="Тип операции")
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quantity = models.IntegerField(verbose_name="Количество")
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operation_date = models.DateTimeField(auto_now_add=True, verbose_name="Дата операции")
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expiration_date = models.DateField(blank=True, null=True, verbose_name="Срок годности")
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def __str__(self):
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return f"{self.operation_type} - {self.product.name}"
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class PriceList(models.Model):
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PRICE_TYPE_CHOICES = [
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('Regular', 'Регулярная'),
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('Discount', 'Скидочная'),
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('Promotional', 'Акционная'),
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]
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product = models.ForeignKey(Product, on_delete=models.CASCADE, verbose_name="Товар")
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price_type = models.CharField(max_length=50, choices=PRICE_TYPE_CHOICES, verbose_name="Тип цены")
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entry_price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Входная цена")
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final_price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Итоговая цена")
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date_effective = models.DateField(verbose_name="Дата вступления в силу")
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constraint_percent_limit = models.DecimalField(max_digits=5, decimal_places=2, default=1000, verbose_name="Лимит на наценку (%)")
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constraint_price_change = models.DecimalField(max_digits=5, decimal_places=2, default=90, verbose_name="Лимит на изменение цены (%)")
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def __str__(self):
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return f"{self.price_type} - {self.product.name}"
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class Inventory(models.Model):
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product = models.ForeignKey(Product, on_delete=models.CASCADE, verbose_name="Товар")
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location = models.ForeignKey(StorageLocation, on_delete=models.CASCADE, verbose_name="Место хранения")
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quantity = models.IntegerField(verbose_name="Количество")
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inventory_date = models.DateField(verbose_name="Дата инвентаризации")
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def __str__(self):
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return f"Инвентаризация {self.product.name} - {self.location.name}"
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