update: auto-add nested field for user from other packages

djangoldp_account/settings.py

-from django.urls import reverse_lazy
 from django.conf import settings
+from django.urls import reverse_lazy
+
 
 def userinfo(claims, user):
     # Populate claims dict.
@@ -7,3 +8,8 @@ def userinfo(claims, user):
     claims['email'] = user.email
     claims['website'] = '{0}{1}'.format(settings.BASE_URL, reverse_lazy('user-detail', kwargs={'pk': user.pk}))
     return claims
+
+
+USER_FIELDS = ['@id', 'first_name', 'groups', 'last_name', 'username', 'email', 'profile', 'account',
+               'ldnotification_set', 'chatProfile']
+USER_NESTED_FIELDS = ['account', 'profile', 'groups', 'ldnotification_set', 'chatProfile']

djangoldp_account/urls.py

 """djangoldp project URL Configuration"""
+from importlib import import_module
+
+from django.conf import settings
 from django.conf.urls import url, include
+from django.contrib.auth.models import Group
 from djangoldp.views import LDPViewSet
 
 from .models import ChatProfile, Account, ChatConfig
 from .views import userinfocustom
 
+djangoldp_modules = list(filter(lambda app: app.startswith('djangoldp_'), settings.INSTALLED_APPS))
+user_fields = []
+user_nested_fields = []
+for dldp_module in djangoldp_modules:
+    try:
+        user_fields += import_module(dldp_module + '.settings').USER_FIELDS
+        user_nested_fields += import_module(dldp_module + '.settings').USER_NESTED_FIELDS
+    except:
+        pass
+
 urlpatterns = [
+    url(r'^groups/', LDPViewSet.urls(model=Group, fields=['@id', 'name', 'user_set'])),
+    url(r'^users/', LDPViewSet.urls(model=settings.AUTH_USER_MODEL, fields=user_fields, permission_classes=[],
+                                    nested_fields=user_nested_fields)),
+    url(r'^accounts/', include('django.contrib.auth.urls')),
     url(r'^accounts/', LDPViewSet.urls(model=Account)),
     url(r'^chat-profile/', LDPViewSet.urls(model=ChatProfile)),
     url(r'^chat-config/', LDPViewSet.urls(model=ChatConfig)),