Make event list's user column an interactive link that

filters by user.

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

HISTORY.rst

@@ -19,6 +19,7 @@
   Vagrant has been move into its own repository at:
   https://gitlab.com/mayan-edms/mayan-edms-vagrant
 - Add view to show list of events performed by an user.
+- Allow filtering an event list by clicking on the user column.
 
 2.7.3 (2017-09-11)
 ==================

docs/releases/2.8.rst

@@ -26,6 +26,7 @@ What's new
   Vagrant has been move into its own repository at:
   https://gitlab.com/mayan-edms/mayan-edms-vagrant
 - Add view to show list of events performed by an user.
+- Allow filtering an event list by clicking on the user column.
 
 Removals
 --------

mayan/apps/events/apps.py

@@ -18,15 +18,7 @@ from .links import (
     link_user_events, link_user_notifications_list,
 )
 from .licenses import *  # NOQA
-from .widgets import event_object_link, event_type_link
-
-
-def event_actor(action):
-    return _('System') if action.actor == action.target else action.actor
-
-
-def event_action_object(action):
-    return action.action_object if action.action_object != action.target and action.action_object else ''
+from .widgets import event_object_link, event_type_link, event_user_link
 
 
 class EventsApp(MayanAppConfig):
@@ -48,7 +40,7 @@ class EventsApp(MayanAppConfig):
         )
         SourceColumn(
             source=Action, label=_('Actor'),
-            func=lambda context: event_actor(context['object'])
+            func=lambda context: event_user_link(context['object'])
         )
         SourceColumn(
             source=Action, label=_('Event'),

mayan/apps/events/widgets.py

@@ -3,6 +3,7 @@ from __future__ import unicode_literals
 from django.urls import reverse
 from django.utils.encoding import force_text
 from django.utils.safestring import mark_safe
+from django.utils.translation import ugettext_lazy as _
 
 from .classes import EventType
 
@@ -34,3 +35,15 @@ def event_type_link(entry):
             'label': EventType.get(name=entry.verb)
         }
     )
+
+
+def event_user_link(entry):
+    if entry.actor == entry.target:
+        return _('System')
+    else:
+        return mark_safe(
+            '<a href="%(url)s">%(label)s</a>' % {
+                'url': reverse('events:user_events', kwargs={'pk': entry.actor.pk}),
+                'label': entry.actor
+            }
+        )