Check for duplicate BOM items as part of serializer validation

InvenTree/part/serializers.py

@@ -493,6 +493,22 @@ class BomItemSerializer(InvenTreeModelSerializer):
 
     purchase_price_range = serializers.SerializerMethodField()
 
+    def validate(self, data):
+
+        # Check for duplicate BOM items
+        part = data['part']
+        sub_part = data['sub_part']
+
+        if BomItem.objects.get(part=part, sub_part=sub_part).exists():
+            raise serializers.ValidationError({
+                'part': _("Duplicate BOM item already exists"),
+                'sub_part': _("Duplicate BOM items already exists"),
+            })
+
+        data = super().validate(data)
+
+        return data
+
     def __init__(self, *args, **kwargs):
         # part_detail and sub_part_detail serializers are only included if requested.
         # This saves a bunch of database requests
@@ -962,8 +978,20 @@ class BomUploadSerializer(serializers.Serializer):
 
         items = data['items']
 
-        with transaction.atomic():
+        try:
+            with transaction.atomic():
 
-            for item in items:
-                print(item)
-        
+                for item in items:
+
+                    part = item['part']
+                    sub_part = item['sub_part']
+
+                    # Ignore duplicate BOM items
+                    if BomItem.objects.filter(part=part, sub_part=sub_part).exists():
+                        continue
+
+                    # Create a new BomItem object
+                    BomItem.objects.create(**item)
+            
+        except Exception as e:
+            raise serializers.ValidationError(detail=serializers.as_serializer_error(e))

InvenTree/templates/js/translated/bom.js

@@ -43,6 +43,7 @@ function constructBomUploadTable(data, options={}) {
         var field_options = {
             hideLabels: true,
             hideClearButton: true,
+            form_classes: 'bom-form-group',
         };
 
         function constructRowField(field_name) {
@@ -77,7 +78,7 @@ function constructBomUploadTable(data, options={}) {
         buttons += `</div>`;
 
         var html = `
-        <tr id='bom_import_row_${idx}' class='bom-import-row' idx='${idx}'>
+        <tr id='items_${idx}' class='bom-import-row' idx='${idx}'>
             <td id='col_sub_part_${idx}'>${sub_part}</td>
             <td id='col_quantity_${idx}'>${quantity}</td>
             <td id='col_reference_${idx}'>${reference}</td>

InvenTree/templates/js/translated/forms.js

@@ -1056,6 +1056,7 @@ function handleNestedErrors(errors, field_name, options={}) {
         
         // Here, error_item is a map of field names to error messages
         for (sub_field_name in error_item) {
+
             var errors = error_item[sub_field_name];
 
             // Find the target (nested) field
@@ -1919,12 +1920,12 @@ function constructField(name, parameters, options) {
         options.current_group = group;
     }
 
-    var form_classes = 'form-group';
+    var form_classes = options.form_classes || 'form-group';
 
     if (parameters.errors) {
         form_classes += ' form-field-error';
     }
-    
+
     // Optional content to render before the field
     if (parameters.before) {
         html += parameters.before;

InvenTree/templates/js/translated/model_renderers.js

@@ -161,7 +161,7 @@ function renderPart(name, data, parameters, options) {
     html += ` <span>${data.full_name || data.name}</span>`;
 
     if (data.description) {
-        html += ` - <i>${data.description}</i>`;
+        html += ` - <i><small>${data.description}</small></i>`;
     }
 
     var extra = '';