Allow resolving using a request or a context

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/navigation/classes.py

@@ -11,7 +11,7 @@ from django.core.exceptions import (
     FieldDoesNotExist, ImproperlyConfigured, PermissionDenied
 )
 from django.db.models.constants import LOOKUP_SEP
-from django.template import VariableDoesNotExist, Variable
+from django.template import RequestContext, VariableDoesNotExist, Variable
 from django.template.defaulttags import URLNode
 from django.urls import resolve, reverse
 from django.utils.encoding import force_str, force_text
@@ -87,11 +87,22 @@ class Link(object):
         if name:
             self.__class__._registry[name] = self
 
-    def resolve(self, context, resolved_object=None):
+
+    def resolve(self, context=None, request=None, resolved_object=None):
+        if not context and not request:
+            raise ImproperlyConfigured(
+                'Must provide a context or a request in order to resolve the '
+                'link.'
+            )
+
         AccessControlList = apps.get_model(
             app_label='acls', model_name='AccessControlList'
         )
 
+        if not context:
+            context = RequestContext(request=request)
+
+        if not request:
             # Try to get the request object the faster way and fallback to the
             # slower method.
             try:
@@ -319,12 +330,22 @@ class Menu(object):
         else:
             return item.label
 
-    def resolve(self, context, source=None, sort_results=False):
+    def resolve(self, context=None, request=None, source=None, sort_results=False):
+        if not context and not request:
+            raise ImproperlyConfigured(
+                'Must provide a context or a request in order to resolve the '
+                'menu.'
+            )
+
+        if not context:
+            context = RequestContext(request=request)
+
         if not self.check_condition(context=context):
             return []
 
         result = []
 
+        if not request:
             try:
                 request = context.request
             except AttributeError: