From 9b00ede61a11913b5e2e197a4f825216cd5778f8 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Thu, 14 Oct 2021 17:12:08 +1100
Subject: [PATCH] Add part queryset filtering to exclude particular ID values

---
 InvenTree/part/api.py                    | 21 +++++++++++++++++++++
 InvenTree/templates/js/translated/bom.js |  7 +++++++
 2 files changed, 28 insertions(+)

diff --git a/InvenTree/part/api.py b/InvenTree/part/api.py
index dccc2f9ac1..4dd9841332 100644
--- a/InvenTree/part/api.py
+++ b/InvenTree/part/api.py
@@ -814,6 +814,27 @@ class PartList(generics.ListCreateAPIView):
             except (ValueError, Part.DoesNotExist):
                 pass
 
+        # Exclude specific part ID values?
+        exclude_id = []
+
+        for key in ['exclude_id', 'exclude_id[]']:
+            if key in params:
+                exclude_id += params.getlist(key, [])
+
+        if exclude_id:
+
+            id_values = []
+
+            for val in exclude_id:
+                try:
+                    # pk values must be integer castable
+                    val = int(val)
+                    id_values.append(val)
+                except ValueError:
+                    pass
+            
+            queryset = queryset.exclude(pk__in=id_values)
+
         # Exclude part variant tree?
         exclude_tree = params.get('exclude_tree', None)
 
diff --git a/InvenTree/templates/js/translated/bom.js b/InvenTree/templates/js/translated/bom.js
index 2cfae3a361..71cf380952 100644
--- a/InvenTree/templates/js/translated/bom.js
+++ b/InvenTree/templates/js/translated/bom.js
@@ -263,6 +263,12 @@ function bomSubstitutesDialog(bom_item_id, substitutes, options={}) {
 
                     var subs = getSubstituteIdValues(opts.modal);
 
+                    // Also exclude the "master" part (if provided)
+                    if (options.sub_part) {
+                        subs.push(options.sub_part);
+                        console.log("sub_part:", options.sub_part);
+                    }
+
                     if (subs.length > 0) {
                         query.exclude_id = subs;
                     }
@@ -824,6 +830,7 @@ function loadBomTable(table, options) {
                 subs,
                 {
                     table: table,
+                    sub_part: row.sub_part,
                 }
             );
         });