init

stock/models.py

@@ -0,0 +1,46 @@
+from django.db import models
+from flower.common import ModelBase
+from basic_info import models as basic_info_models
+
+
+class PurchaseOrder(ModelBase):
+    id = models.BigAutoField(primary_key=True)
+    supplier = models.ForeignKey(basic_info_models.Supplier, on_delete=models.PROTECT, related_name='purchase_orders', verbose_name='供应商')
+    order_date = models.DateField(verbose_name='订单日期')
+    total_amount = models.DecimalField(max_digits=15, decimal_places=2, verbose_name='总金额')
+    remarks = models.TextField(blank=True, null=True, verbose_name='备注')
+
+    def __str__(self):
+        return f'采购订单 {self.id} - {self.supplier.name}'
+
+    class Meta:
+        verbose_name = '采购单'
+        verbose_name_plural = '采购单'
+
+
+class Inventory(ModelBase):
+    id = models.BigAutoField(primary_key=True)
+    product = models.ForeignKey(
+        basic_info_models.Product,
+        on_delete=models.PROTECT,
+        related_name='inventories',
+        verbose_name='产品',
+    )
+    warehouse = models.ForeignKey(
+        basic_info_models.WareHouse,
+        on_delete=models.PROTECT,
+        related_name='inventories',
+        verbose_name='仓库',
+    )
+    quantity = models.IntegerField(verbose_name='库存数量')
+    num_of_rolls = models.IntegerField(null=True, blank=True, verbose_name='匹数')
+    minimum_quantity = models.IntegerField(null=True, blank=True, verbose_name='最低库存量')
+    spec = models.CharField(max_length=100, blank=True, null=True, verbose_name='规格')
+    description = models.TextField(blank=True, null=True, verbose_name='备注描述')
+
+    def __str__(self):
+        return f'库存 {self.product.name} - 仓库: {self.warehouse.name}'
+
+    class Meta:
+        verbose_name = '库存'
+        verbose_name_plural = '库存'