Major improvements to Parts API

- Requires authentication (or read only)
- Separated URL patterns
- Better use of generics
- Can add/edit parts and part categories

InvenTree/part/urls.py

@@ -1,19 +1,45 @@
-from django.conf.urls import url
+from django.conf.urls import url, include
 
 from . import views
 
-urlpatterns = [
-    # Single part detail
-    url(r'^(?P<pk>[0-9]+)/$', views.PartDetail.as_view()),
-
-    # Part parameters list
-    url(r'^(?P<pk>[0-9]+)/parameters/$', views.PartParameters.as_view()),
+""" URL patterns associated with part categories:
+/category       -> List all top-level categories
+/category/<pk>  -> Detail view of given category
+/category/new   -> Create a new category
+"""
+categorypatterns = [
 
     # Part category detail
     url(r'^category/(?P<pk>[0-9]+)/$', views.PartCategoryDetail.as_view()),
 
     # List of top-level categories
-    url(r'^category/$', views.PartCategoryList.as_view()),
+    url(r'^$', views.PartCategoryList.as_view())
+]
+
+""" URL patterns associated with a particular part:
+/part/<pk>              -> Detail view of a given part
+/part/<pk>/parameters   -> List parameters associated with a part
+"""
+partdetailpatterns = [
+    # Single part detail
+    url(r'^$', views.PartDetail.as_view()),
+
+    # View part parameters
+    url(r'parameters/$', views.PartParameters.as_view())
+]
+
+""" Top-level URL patterns for the Part app:
+/part/          -> List all parts
+/part/new       -> Create a new part
+/part/<pk>      -> (refer to partdetailpatterns)
+/part/category  -> (refer to categorypatterns)
+"""
+urlpatterns = [
+    # Individual part
+    url(r'^(?P<pk>[0-9]+)/', include(partdetailpatterns)),
+
+    # Part categories
+    url(r'^category/', views.PartCategoryList.as_view()),
 
     # List of all parts
     url(r'^$', views.PartList.as_view())