Merge pull request #2584 from SchrodingersGat/build-output-requires

Build output requires

InvenTree/build/models.py

@@ -437,6 +437,9 @@ class Build(MPTTModel, ReferenceIndexingMixin):
     def output_count(self):
         return self.build_outputs.count()
 
+    def has_build_outputs(self):
+        return self.output_count > 0
+
     def get_build_outputs(self, **kwargs):
         """
         Return a list of build outputs.

InvenTree/build/serializers.py

@@ -284,6 +284,9 @@ class BuildCompleteSerializer(serializers.Serializer):
         if build.incomplete_count > 0:
             raise ValidationError(_("Build order has incomplete outputs"))
 
+        if not build.has_build_outputs():
+            raise ValidationError(_("No build outputs have been created for this build order"))
+
         return data
 
     def save(self):

InvenTree/build/templates/build/build_base.html

@@ -90,6 +90,11 @@ src="{% static 'img/blank_image.png' %}"
 </table>
 
 <div class='info-messages'>
+    {% if not build.has_build_outputs %}
+    <div class='alert alert-block alert-danger'>
+        {% trans "No build outputs have been created for this build order" %}<br>
+    </div>
+    {% endif %}
     {% if build.sales_order %}
     <div class='alert alert-block alert-info'>
         {% object_link 'so-detail' build.sales_order.id build.sales_order as link %}