Add API endpoint which provides list of role permissions available to current user

InvenTree/part/templates/part/category.html

@@ -144,7 +144,8 @@
     </div>
     <div class='panel-content'>   
         {% block details %}
-        <table class='table table-striped table-condensed' id='part-table'></table>
+        <table class='table table-striped table-condensed' data-toolbar='#button-toolbar' id='part-table'>
+        </table>  
         {% endblock %}
     </div>
 </div>

InvenTree/users/api.py

@@ -1,3 +1,9 @@
+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from rest_framework import generics
+
 from rest_framework import generics, permissions
 from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist
@@ -9,6 +15,47 @@ from rest_framework.response import Response
 from rest_framework import status
 
 
+
+from .models import RuleSet, check_user_role
+
+
+class RoleDetails(APIView):
+    """
+    API endpoint which lists the available role permissions
+    for the current user
+
+    (Requires authentication)
+    """
+
+    permission_classes = [
+        permissions.IsAuthenticated
+    ]
+
+    def get(self, request, *args, **kwargs):
+
+        user = request.user
+
+        data = {}
+
+        for ruleset in RuleSet.RULESET_CHOICES:
+
+            role, text = ruleset
+
+            permissions = []
+
+            for permission in RuleSet.RULESET_PERMISSIONS:
+                if check_user_role(user, role, permission):
+
+                    permissions.append(permission)
+
+            if len(permissions) > 0:
+                data[role] = permissions
+            else:
+                data[role] = None
+
+        return Response(data)
+
+
 class UserDetail(generics.RetrieveAPIView):
     """ Detail endpoint for a single user """
 

InvenTree/users/urls.py

@@ -1,11 +1,12 @@
 from django.conf.urls import url
 
-from . import views
+from . import api
 
 user_urls = [
-    url(r'^(?P<pk>[0-9]+)/?$', views.UserDetail.as_view(), name='user-detail'),
+    url(r'^(?P<pk>[0-9]+)/?$', api.UserDetail.as_view(), name='user-detail'),
 
-    url(r'token', views.GetAuthToken.as_view(), name='api-token'),
+    url(r'roles', api.RoleDetails.as_view(), name='api-roles'),
+    url(r'token', api.GetAuthToken.as_view(), name='api-token'),
 
-    url(r'^$', views.UserList.as_view()),
+    url(r'^$', api.UserList.as_view()),
 ]