add - WarehouseAllocationService

apps/warehouse/models.py

@@ -59,6 +59,25 @@ class InventoryEntry(BaseModel):
         super(InventoryEntry, self).save(*args, **kwargs)
 
 
+class InventoryEntryAllocation(BaseModel):
+    inventory_entry = models.ForeignKey(
+        InventoryEntry,
+        on_delete=models.CASCADE,
+        related_name='allocations',
+        null=True
+    )
+    distribution = models.ForeignKey(
+        product_models.QuotaDistribution,
+        on_delete=models.CASCADE,
+        related_name='allocations',
+        null=True
+    )
+    weight = models.PositiveBigIntegerField(default=0)
+
+    def __str__(self):
+        return f"{self.weight} -> Distribution {self.distribution.id}"
+
+
 class InventoryQuotaSaleTransaction(BaseModel):
     rancher = models.ForeignKey(
         Rancher,