Delete a build output entirely

TODO: Needs to describe in the confirmation dialog what is going to happen!

InvenTree/InvenTree/static/script/inventree/inventree.js

@@ -78,7 +78,7 @@ function getImageUrlFromTransfer(transfer) {
     return url;
 }
 
-function makeIconButton(icon, cls, pk, title) {
+function makeIconButton(icon, cls, pk, title, options={}) {
     // Construct an 'icon button' using the fontawesome set
 
     var classes = `btn btn-default btn-glyph ${cls}`;
@@ -86,8 +86,14 @@ function makeIconButton(icon, cls, pk, title) {
     var id = `${cls}-${pk}`;
 
     var html = '';
+
+    var extraProps = '';
+
+    if (options.disabled) {
+        extraProps += "disabled='true' ";
+    }
     
-    html += `<button pk='${pk}' id='${id}' class='${classes}' title='${title}'>`;
+    html += `<button pk='${pk}' id='${id}' class='${classes}' title='${title}' ${extraProps}>`;
     html += `<span class='fas ${icon}'></span>`;
     html += `</button>`;
 

InvenTree/build/forms.py

@@ -46,6 +46,29 @@ class EditBuildForm(HelperForm):
         ]
 
 
+class BuildOutputDeleteForm(HelperForm):
+    """
+    Form for deleting a build output.
+    """
+
+    confirm = forms.BooleanField(
+        required=False,
+        help_text=_('Confirm deletion of build output')
+    )
+
+    output_id = forms.IntegerField(
+        required=True,
+        widget=forms.HiddenInput()
+    )
+
+    class Meta:
+        model = Build
+        fields = [
+            'confirm',
+            'output_id',
+        ]
+
+
 class UnallocateBuildForm(HelperForm):
     """
     Form for auto-de-allocation of stock from a build

InvenTree/build/models.py

@@ -380,6 +380,29 @@ class Build(MPTTModel):
         # Remove all the allocations
         allocations.delete()
 
+    def deleteBuildOutput(self, output):
+        """
+        Remove a build output from the database:
+
+        - Unallocate any build items against the output
+        - Delete the output StockItem
+        """
+
+        if not output:
+            raise ValidationError(_("No build output specified"))
+
+        if not output.is_building:
+            raise ValidationError(_("Build output is already completed"))
+
+        if not output.build == self:
+            raise ValidationError(_("Build output does not match Build Order"))
+
+        # Unallocate all build items against the output
+        self.unallocateStock(output)
+
+        # Remove the build output from the database
+        output.delete()
+
     @transaction.atomic
     def autoAllocate(self):
         """ Run auto-allocation routine to allocate StockItems to this Build.

InvenTree/build/urls.py

@@ -11,6 +11,7 @@ build_detail_urls = [
     url(r'^allocate/', views.BuildAllocate.as_view(), name='build-allocate'),
     url(r'^cancel/', views.BuildCancel.as_view(), name='build-cancel'),
     url(r'^delete/', views.BuildDelete.as_view(), name='build-delete'),
+    url(r'^delete-output/', views.BuildOutputDelete.as_view(), name='build-output-delete'),
     url(r'^complete/?', views.BuildComplete.as_view(), name='build-complete'),
     url(r'^auto-allocate/?', views.BuildAutoAllocate.as_view(), name='build-auto-allocate'),
     url(r'^unallocate/', views.BuildUnallocate.as_view(), name='build-unallocate'),

InvenTree/build/views.py

@@ -141,6 +141,56 @@ class BuildAutoAllocate(AjaxUpdateView):
         return self.renderJsonResponse(request, form, data, context=self.get_context_data())
 
 
+class BuildOutputDelete(AjaxUpdateView):
+    """
+    Delete a build output (StockItem) for a given build.
+
+    Form is a simple confirmation dialog
+    """
+
+    model = Build
+    form_class = forms.BuildOutputDeleteForm
+    ajax_form_title = _('Delete build output')
+    role_required = 'build.delete'
+
+    def get_initial(self):
+
+        initials = super().get_initial()
+
+        output = self.get_param('output')
+
+        initials['output_id'] = output
+
+        return initials
+
+    def post(self, request, *args, **kwargs):
+
+        build = self.get_object()
+        form = self.get_form()
+
+        confirm = request.POST.get('confirm', False)
+
+        output_id = request.POST.get('output_id', None)
+
+        try:
+            output = StockItem.objects.get(pk=output_id)
+        except (ValueError, StockItem.DoesNotExist):
+            output = None
+
+        valid = False
+
+        if output:
+            build.deleteBuildOutput(output)
+            valid = True
+        else:
+            form.non_field_errors = [_('Build or output not specified')]
+
+        data = {
+            'form_valid': valid,
+        }
+
+        return self.renderJsonResponse(request, form, data)
+
 class BuildUnallocate(AjaxUpdateView):
     """ View to un-allocate all parts from a build.
 
@@ -151,7 +201,7 @@ class BuildUnallocate(AjaxUpdateView):
     form_class = forms.UnallocateBuildForm
     ajax_form_title = _("Unallocate Stock")
     ajax_template_name = "build/unallocate.html"
-    form_required = 'build.change'
+    role_required = 'build.change'
 
     def get_initial(self):
 
@@ -161,13 +211,7 @@ class BuildUnallocate(AjaxUpdateView):
         output = self.get_param('output')
 
         if output:
-            try:
-                output = StockItem.objects.get(pk=output)
-            except (ValueError, StockItem.DoesNotExist):
-                output = None
-
-        if output:
-            initials['output_id'] = output.pk
+            initials['output_id'] = output
 
         return initials
 

InvenTree/part/models.py

@@ -954,7 +954,8 @@ class Part(MPTTModel):
         return parts
 
     def get_allowed_bom_items(self):
-        """ Return a list of parts which can be added to a BOM for this part.
+        """
+        Return a list of parts which can be added to a BOM for this part.
 
         - Exclude parts which are not 'component' parts
         - Exclude parts which this part is in the BOM for

InvenTree/templates/js/build.js

@@ -52,13 +52,19 @@ function makeBuildOutputActionButtons(output, buildId) {
     // Add a button to "auto allocate" against the particular build output
     html += makeIconButton(
         'fa-clipboard-check icon-blue', 'button-output-auto', outputId,
-        '{% trans "Allocate stock items to this output" %}'
+        '{% trans "Allocate stock items to this output" %}',
+        {
+            disabled: true,
+        }
     );
 
     if (output.quantity > 1) {
         html += makeIconButton(
             'fa-random icon-blue', 'button-output-split', outputId,
             '{% trans "Split build output into separate items" %}',
+            {
+                disabled: true
+            }
         );
     }
 
@@ -66,6 +72,9 @@ function makeBuildOutputActionButtons(output, buildId) {
     html += makeIconButton(
         'fa-tools icon-green', 'button-output-complete', outputId,
         '{% trans "Complete build output" %}',
+        {
+            disabled: true
+        }
     );
 
     // Add a button to "cancel" the particular build output (unallocate)
@@ -116,6 +125,17 @@ function makeBuildOutputActionButtons(output, buildId) {
         );
     });
 
+    $(panel).find(`#button-output-delete-${outputId}`).click(function() {
+        launchModalForm(
+            `/build/${buildId}/delete-output/`,
+            {
+                reload: true,
+                data: {
+                    output: outputId
+                }
+            }
+        );
+    });
 }