mirror of
https://github.com/Sosokker/Inventory-Management-System.git
synced 2025-12-18 23:24:05 +01:00
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from django.db import models
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class Warehouse(models.Model):
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"""
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Warehouse is a place where items are stored.
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:param name: Name of the warehouse
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:param address: Address of the warehouse
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:param have_freeze: Whether the warehouse have freezer or not
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"""
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name = models.CharField(max_length=255)
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address = models.TextField()
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have_freeze = models.BooleanField()
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@property
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def stock_percentage(self) -> float:
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inventories = Inventory.objects.filter(warehouse=self)
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total_stock = 0
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total_max_stock = 0
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for inventory in inventories:
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total_stock += inventory.current_stock
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total_max_stock += inventory.max_stock
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return total_stock / total_max_stock * 100
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def __str__(self):
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return f"{self.name}"
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class Inventory(models.Model):
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"""
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Inventory is in warehouse, It can be a shelf, a room, a container etc.
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:param warehouse: Warehouse that the inventory belongs to
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:param max_stock: Maximum stock of the inventory
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:param min_stock: Minimum stock of the inventory
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:param current_stock: Current stock of the inventory
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"""
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warehouse = models.ForeignKey(Warehouse, on_delete=models.CASCADE)
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max_stock = models.IntegerField()
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min_stock = models.IntegerField()
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current_stock = models.IntegerField()
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@property
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def stock_percentage(self) -> float:
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return self.current_stock / self.max_stock * 100
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def __str__(self):
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return f"{self.warehouse.name} - {self.stock_percentage}%"
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class Meta:
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verbose_name_plural = 'Inventories'
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class Item(models.Model):
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"""
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Item such as food, drink, furnoture etc.
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:param inventory: Inventory that the item belongs to
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:param name: Name of the item
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:param description: Description of the item
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:param category: Category of the item
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:param weight: Weight of the item in kg
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:param quantity: Quantity of the item
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"""
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inventory = models.ForeignKey(Inventory, on_delete=models.CASCADE)
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name = models.CharField(max_length=255)
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description = models.TextField()
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category = models.CharField(max_length=255)
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weight = models.DecimalField(max_digits=10, decimal_places=3)
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quantity = models.IntegerField()
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def __str__(self):
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return f"{self.name} - {self.quantity}" |