feat: running on docker fully, and added rabbitmq/worker container

stock/models.py

@@ -62,29 +62,6 @@ class StockChangeTypeEnum(models.IntegerChoices):
 
 # ==================== 模型定义 ====================
 
-class PurchaseOrder(ModelBase):
-    """采购单模型"""
-
-    id = models.BigAutoField(primary_key=True)
-    merchant = models.ForeignKey(
-        basic_info_models.Merchant, 
-        on_delete=models.PROTECT, 
-        related_name='purchase_orders', 
-        verbose_name='所属商户'
-    )
-    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 StockChangeRecord(ModelBase):
     """库存变动记录模型"""
 
@@ -193,9 +170,14 @@ class StockChangeDetail(ModelBase):
         verbose_name='库存变动记录',
     )
     quantity = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='数量')
-    unit = models.IntegerField(
-        verbose_name='单位', 
-        choices=basic_info_models.ProductUnitEnum.choices,
+    is_consumed = models.BooleanField(default=False, verbose_name='是否已消耗')
+    consume_with = models.OneToOneField(
+        'self',
+        on_delete=models.PROTECT,
+        null=True,
+        blank=True,
+        related_name='consumed_by_detail',
+        verbose_name='所消耗的入库明细',
     )
 
     def __str__(self):