Redirect to step 3

InvenTree/part/templates/part/bom_upload/select_parts.html

@@ -0,0 +1,51 @@
+{% extends "part/part_base.html" %}
+{% load static %}
+
+{% block details %}
+{% include "part/tabs.html" with tab="bom" %}
+<h4>Upload Bill of Materials</h4>
+
+<p>Step 3 - Select Parts</p>
+<hr>
+
+<form method="post" action='' class='js-modal-form' enctype="multipart/form-data">
+
+    {% csrf_token %}
+    {% load crispy_forms_tags %}
+
+    <input type='hidden' name='form_step' value='select_parts'/>
+
+    <table class='table table-striped'>
+        <thead>
+            <tr>
+                <th></th>
+                <th>Row</th>
+                {% for col in bom_columns %}
+                <th>
+                    {{ col.name }}
+                </th>
+                {% endfor %}
+            </tr>
+        </thead>
+        <tbody>
+            {% for row in bom_rows %}
+            <tr>
+                <td>
+                    <button class='btn btn-default btn-remove' id='del_row_{{ forloop.counter }}' style='display: inline; float: right;' title='Remove row'>
+                            <span row_id='{{ forloop.counter }}' onClick='removeRowFromBomWizard()' class='glyphicon glyphicon-small glyphicon-remove'></span>
+                        </button>
+                </td>
+                <td>{{ forloop.counter }}</td>
+                {% for item in row.data %}
+                <td>
+                    {{ item }}
+                </td>
+                {% endfor %}
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+
+</form>
+
+{% endblock %}

InvenTree/part/views.py

@@ -796,6 +796,9 @@ class BomUpload(FormView):
 
         self.bom_columns = []
 
+        # Track any duplicate column selections
+        duplicates = False
+
         for col in col_ids:
             if col not in column_selections:
                 continue
@@ -812,6 +815,7 @@ class BomUpload(FormView):
                 n = list(column_selections.values()).count(column_selections[col])
                 if n > 1:
                     header['duplicate'] = True
+                    duplicates = True
 
             self.bom_columns.append(header)
 
@@ -838,8 +842,14 @@ class BomUpload(FormView):
 
             self.bom_rows.append({'index': row_idx, 'data': items})
 
+        valid = len(self.missing_columns) == 0 and not duplicates
+
         form = part_forms.BomUploadSelectFields
-        self.template_name = 'part/bom_upload/select_fields.html'
+        
+        if valid:
+            form = self.template_name = 'part/bom_upload/select_parts.html' 
+        else:
+            self.template_name = 'part/bom_upload/select_fields.html'
 
         return self.render_to_response(self.get_context_data(form=form))