Merge pull request #459 from SchrodingersGat/build-tracking

Add a reference to a build for a stock item

InvenTree/build/models.py

@@ -237,6 +237,7 @@ class Build(models.Model):
             for serial in serial_numbers:
                 item = StockItem.objects.create(
                     part=self.part,
+                    build=self,
                     location=location,
                     quantity=1,
                     serial=serial,
@@ -250,6 +251,7 @@ class Build(models.Model):
             # Add stock of the newly created item
             item = StockItem.objects.create(
                 part=self.part,
+                build=self,
                 location=location,
                 quantity=self.quantity,
                 batch=str(self.batch) if self.batch else '',

InvenTree/stock/migrations/0010_stockitem_build.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.4 on 2019-09-01 13:08
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('build', '0005_auto_20190604_2217'),
+        ('stock', '0009_auto_20190715_2351'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='stockitem',
+            name='build',
+            field=models.ForeignKey(blank=True, help_text='Build for this stock item', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='build_outputs', to='build.Build'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -101,6 +101,7 @@ class StockItem(models.Model):
         delete_on_deplete: If True, StockItem will be deleted when the stock level gets to zero
         status: Status of this StockItem (ref: InvenTree.status_codes.StockStatus)
         notes: Extra notes field
+        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
     """
@@ -300,6 +301,13 @@ class StockItem(models.Model):
 
     updated = models.DateField(auto_now=True, null=True)
 
+    build = models.ForeignKey(
+        'build.Build', on_delete=models.SET_NULL,
+        blank=True, null=True,
+        help_text='Build for this stock item',
+        related_name='build_outputs',
+    )
+
     purchase_order = models.ForeignKey(
         'order.PurchaseOrder',
         on_delete=models.SET_NULL,
@@ -484,20 +492,13 @@ class StockItem(models.Model):
             return
 
         # Create a new StockItem object, duplicating relevant fields
-        new_stock = StockItem.objects.create(
-            part=self.part,
-            quantity=quantity,
-            supplier_part=self.supplier_part,
-            location=self.location,
-            notes=self.notes,
-            URL=self.URL,
-            batch=self.batch,
-            delete_on_deplete=self.delete_on_deplete
-        )
-
+        # Nullify the PK so a new record is created
+        new_stock = StockItem.objects.get(pk=self.pk)
+        new_stock.pk = None
+        new_stock.quantity = quantity
         new_stock.save()
 
-        # Copy the transaction history
+        # Copy the transaction history of this part into the new one
         new_stock.copyHistoryFrom(self)
 
         # Add a new tracking item for the new stock item

InvenTree/stock/templates/stock/item.html

@@ -90,6 +90,12 @@
             <td>{{ item.batch }}</td>
         </tr>
         {% endif %}
+        {% if item.build %}
+        <tr>
+            <td>Build</td>
+            <td><a href="{% url 'build-detail' item.build.id %}">{{ item.build }}</a></td>
+        </tr>
+        {% endif %}
         {% if item.purchase_order %}
         <tr>
             <td>Purchase Order</td>

Makefile

@@ -14,6 +14,7 @@ migrate:
 	python3 InvenTree/manage.py makemigrations stock
 	python3 InvenTree/manage.py makemigrations build
 	python3 InvenTree/manage.py makemigrations order
+	python3 InvenTree/manage.py migrate
 	python3 InvenTree/manage.py migrate --run-syncdb
 	python3 InvenTree/manage.py check