The 'StockItem' model now has a reference to a SalesOrderLineItem

InvenTree/stock/migrations/0027_stockitem_sales_order.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.0.5 on 2020-04-21 05:03
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0023_auto_20200420_2309'),
+        ('stock', '0026_stockitem_uid'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockitem',
+            name='sales_order',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='stock_items', to='order.SalesOrderLineItem'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -126,6 +126,7 @@ class StockItem(MPTTModel):
         build: Link to a Build (if this stock item was created from a build)
         purchase_order: Link to a PurchaseOrder (if this stock item was created from a PurchaseOrder)
         infinite: If True this StockItem can never be exhausted
+        sales_order: Link to a SalesOrderLineItem (if this stockitem has been allocated to a sales order)
     """
 
     def save(self, *args, **kwargs):
@@ -353,6 +354,12 @@ class StockItem(MPTTModel):
         help_text=_('Purchase order for this stock item')
     )
 
+    sales_order = models.ForeignKey(
+        'order.SalesOrderLineItem',
+        on_delete=models.SET_NULL,
+        related_name='stock_items',
+        null=True)
+
     # last time the stock was checked / counted
     stocktake_date = models.DateField(blank=True, null=True)