Re-enabled installing stock items into others

InvenTree/stock/views.py

@@ -518,36 +518,73 @@ class StockItemInstall(AjaxUpdateView):
 
     part = None
 
+    def get_params(self):
+        """ Retrieve GET parameters """
+
+        # Look at GET params
+        self.part_id = self.request.GET.get('part', None)
+        self.install_in = self.request.GET.get('install_in', False)
+        self.install_item = self.request.GET.get('install_item', False)
+
+        if self.part_id is None:
+            # Look at POST params
+            self.part_id = self.request.POST.get('part', None)
+
+        try:
+            self.part = Part.objects.get(pk=self.part_id)
+        except (ValueError, Part.DoesNotExist):
+            self.part = None
+
     def get_stock_items(self):
         """
         Return a list of stock items suitable for displaying to the user.
 
         Requirements:
         - Items must be in stock
-
-        Filters:
-        - Items can be filtered by Part reference
+        - Items must be in BOM of stock item
+        - Items must be serialized
         """
-
+        
+        # Filter items in stock
         items = StockItem.objects.filter(StockItem.IN_STOCK_FILTER)
 
-        # Filter by Part association
+        # Filter serialized stock items
+        items = items.exclude(serial__isnull=True).exclude(serial__exact='')
 
-        # Look at GET params
-        part_id = self.request.GET.get('part', None)
+        if self.part:
+            # Filter for parts to install this item in
+            if self.install_in:
+                # Get parts using this part
+                allowed_parts = self.part.get_used_in()
+                # Filter
+                items = items.filter(part__in=allowed_parts)
 
-        if part_id is None:
-            # Look at POST params
-            part_id = self.request.POST.get('part', None)
-
-        try:
-            self.part = Part.objects.get(pk=part_id)
-            items = items.filter(part=self.part)
-        except (ValueError, Part.DoesNotExist):
-            self.part = None
+            # Filter for parts to install in this item
+            if self.install_item:
+                # Get parts used in this part's BOM
+                bom_items = self.part.get_bom_items()
+                allowed_parts = [item.sub_part for item in bom_items]
+                # Filter
+                items = items.filter(part__in=allowed_parts)
 
         return items
 
+    def get_context_data(self, **kwargs):
+        """ Retrieve parameters and update context """
+
+        ctx = super().get_context_data(**kwargs)
+
+        # Get request parameters
+        self.get_params()
+
+        ctx.update({
+            'part': self.part,
+            'install_in': self.install_in,
+            'install_item': self.install_item,
+        })
+
+        return ctx
+
     def get_initial(self):
 
         initials = super().get_initial()
@@ -558,11 +595,17 @@ class StockItemInstall(AjaxUpdateView):
         if items.count() == 1:
             item = items.first()
             initials['stock_item'] = item.pk
-            initials['quantity_to_install'] = item.quantity
+            # initials['quantity_to_install'] = item.quantity
 
         if self.part:
             initials['part'] = self.part
 
+        try:
+            # Is this stock item being installed in the other stock item?
+            initials['to_install'] = self.install_in or not self.install_item
+        except AttributeError:
+            pass
+
         return initials
 
     def get_form(self):
@@ -575,6 +618,8 @@ class StockItemInstall(AjaxUpdateView):
 
     def post(self, request, *args, **kwargs):
 
+        self.get_params()
+
         form = self.get_form()
 
         valid = form.is_valid()
@@ -584,13 +629,20 @@ class StockItemInstall(AjaxUpdateView):
             data = form.cleaned_data
 
             other_stock_item = data['stock_item']
-            quantity = data['quantity_to_install']
+            # quantity = data['quantity_to_install']
+            # Quantity will always be 1 for serialized item
+            quantity = 1
             notes = data['notes']
 
-            # Install the other stock item into this one
+            # Get stock item
             this_stock_item = self.get_object()
 
-            this_stock_item.installStockItem(other_stock_item, quantity, request.user, notes)
+            if data['to_install']:
+                # Install this stock item into the other stock item
+                other_stock_item.installStockItem(this_stock_item, quantity, request.user, notes)
+            else:
+                # Install the other stock item into this one
+                this_stock_item.installStockItem(other_stock_item, quantity, request.user, notes)
 
         data = {
             'form_valid': valid,