Added a categorylist page

Displays list of all top-level part categories

InvenTree/part/models.py

@@ -16,10 +16,10 @@ class PartCategory(models.Model):
     # Return the parent path of this category
     @property
     def path(self):
-        parent_path = []
-        
         if self.parent:
-            parent_path = self.parent.path + [self.parent]
+            return self.parent.path + [self.parent]
+        else:
+            return []
         
         return parent_path
         

InvenTree/part/templates/part/category.html

@@ -1,4 +1,5 @@
 {# Construct the category path #}
+<a href="../">Category</a>/
 {% for path_item in category.path %}
 <a href="../{{ path_item.pk }}">{{ path_item.name }}</a>/
 {% endfor %}

InvenTree/part/templates/part/categorylist.html

@@ -0,0 +1,8 @@
+Top Level Part Categories:
+
+{% for category in categories %}
+
+<br>
+<a href="./{{ category.pk }}">{{ category.name }}<a/>
+
+{% endfor %}

InvenTree/part/urls.py

@@ -6,7 +6,10 @@ urlpatterns = [
     # Display part detail
     url(r'^(?P<part_id>[0-9]+)/$', views.partdetail, name='detail'),
     
-    # Display a part category
+    # Display a list of top-level categories
+    url(r'^category/$', views.categorylist, name='categorylist'),
+    
+    # Display a single part category
     url(r'^category/(?P<category_id>[0-9]+)/$', views.category, name='category'),
     url(r'^$', views.index, name='index')
 ]

InvenTree/part/views.py

@@ -13,6 +13,13 @@ def partdetail(request, part_id):
     return render(request, 'part/detail.html',
                   {'part': part})
 
+def categorylist(request):
+    categories = PartCategory.objects.filter(parent = None)
+    
+    return render(request, 'part/categorylist.html',
+                  {'categories': categories
+                  })
+
 def category(request, category_id):
     
     # Find the category