Sales Order Allocation (#244)

* Add SalesOrderAllocation model

* Update tasks.py

* Update version number

* Update unit test

* Update unit test

Author: SchrodingersGat

inventree/base.py

@@ -6,7 +6,7 @@
 
 from . import api as inventree_api
 
-INVENTREE_PYTHON_VERSION = "0.17.0"
+INVENTREE_PYTHON_VERSION = "0.17.1"
 
 
 logger = logging.getLogger('inventree')

inventree/sales_order.py

@@ -6,6 +6,7 @@
 import inventree.company
 import inventree.part
 import inventree.report
+import inventree.stock
 
 
 class SalesOrder(
@@ -190,6 +191,35 @@ def getOrder(self):
         return SalesOrder(self._api, self.order)
 
 
+class SalesOrderAllocation(
+    inventree.base.InventreeObject
+):
+    """Class representing the SalesOrderAllocation database model."""
+
+    URL = 'order/so-allocation'
+
+    def getOrder(self):
+        """Return the SalesOrder to which this SalesOrderAllocation belongs."""
+        return SalesOrder(self._api, self.order)
+
+    def getShipment(self):
+        """Return the SalesOrderShipment to which this SalesOrderAllocation belongs."""
+        from sales_order import SalesOrderShipment
+        return SalesOrderShipment(self._api, self.shipment)
+
+    def getLineItem(self):
+        """Return the SalesOrderLineItem to which this SalesOrderAllocation belongs."""
+        return SalesOrderLineItem(self._api, self.line)
+
+    def getStockItem(self):
+        """Return the StockItem to which this SalesOrderAllocation belongs."""
+        return inventree.stock.StockItem(self._api, self.item)
+
+    def getPart(self):
+        """Return the Part to which this SalesOrderAllocation belongs."""
+        return inventree.part.Part(self._api, self.part)
+
+
 class SalesOrderShipment(
     inventree.base.InventreeObject,
     inventree.base.StatusMixin,
@@ -200,9 +230,7 @@ class SalesOrderShipment(
     URL = 'order/so/shipment'
 
     def getOrder(self):
-        """
-        Return the SalesOrder to which this SalesOrderShipment belongs
-        """
+        """Return the SalesOrder to which this SalesOrderShipment belongs."""
         return SalesOrder(self._api, self.order)
 
     def allocateItems(self, items=[]):
@@ -219,7 +247,7 @@ def allocateItems(self, items=[]):
             }
         """
 
-        # Customise URL
+        # Customize URL
         url = f'order/so/{self.getOrder().pk}/allocate'
 
         # Create data from given inputs
@@ -237,6 +265,18 @@ def allocateItems(self, items=[]):
         # Return
         return response
 
+    def getAllocations(self):
+        """Return the allocations associated with this shipment"""
+        return SalesOrderAllocation.list(self._api, shipment=self.pk)
+
+    @property
+    def allocations(self):
+        """Return the allocations associated with this shipment.
+
+        Note: This is an overload of getAllocations() method, for legacy compatibility.
+        """
+        return self.getAllocations()
+
     def complete(
         self,
         shipment_date=None,

tasks.py

@@ -34,9 +34,9 @@ def reset_data(c, debug=False):
 
     hide = None if debug else 'both'
 
-    c.run("docker-compose -f test/docker-compose.yml run --rm inventree-py-test-server invoke delete-data -f", hide=hide)
+    c.run("docker-compose -f test/docker-compose.yml run --rm inventree-py-test-server invoke dev.delete-data -f", hide=hide)
     c.run("docker-compose -f test/docker-compose.yml run --rm inventree-py-test-server invoke migrate", hide=hide)
-    c.run("docker-compose -f test/docker-compose.yml run --rm inventree-py-test-server invoke import-fixtures", hide=hide)
+    c.run("docker-compose -f test/docker-compose.yml run --rm inventree-py-test-server invoke dev.import-fixtures", hide=hide)
 
 
 @task(post=[reset_data])

test/test_order.py

@@ -674,16 +674,25 @@ def test_so_shipment(self):
         # Make sure date is not None
         self.assertIsNotNone(shipment_2.shipment_date)
 
+        # SalesOrderAllocations are broken prior to server API version 267
+        if self.api.api_version < 267:
+            return
+
         # Try to complete this order
         # Ship remaining shipments first
         for shp in so.getShipments():
+
+            allocations = shp.getAllocations()
+
             # Delete shipment if it has no allocations
-            if len(shp.allocations) == 0:
+            if len(allocations) == 0:
                 shp.delete()
                 continue
+            
             # If the shipment has no date, try to mark it shipped
             if shp.shipment_date is None:
                 shp.ship()
+        
         so.complete()
         self.assertEqual(so.status, 20)
         self.assertEqual(so.status_text, 'Shipped')