Adding API end point for user stats

taiga/users/api.py

@@ -45,6 +45,7 @@ from . import models
 from . import serializers
 from . import permissions
 from . import filters as user_filters
+from . import services
 from .signals import user_cancel_account as user_cancel_account_signal
 
 
@@ -95,6 +96,12 @@ class UsersViewSet(ModelCrudViewSet):
 
         return response.Ok(serializer.data)
 
+    @detail_route(methods=["GET"])
+    def stats(self, request, pk=None):
+        user = self.get_object()
+        self.check_permissions(request, "stats", user)
+        return response.Ok(services.get_stats_for_user(user))
+
     @list_route(methods=["POST"])
     def password_recovery(self, request, pk=None):
         username_or_email = request.DATA.get('username', None)

taiga/users/permissions.py

@@ -35,6 +35,7 @@ class UserPermission(TaigaResourcePermission):
     update_perms = IsTheSameUser()
     destroy_perms = IsTheSameUser()
     list_perms = AllowAny()
+    stats_perms = AllowAny()
     password_recovery_perms = AllowAny()
     change_password_from_recovery_perms = AllowAny()
     change_password_perms = IsAuthenticated()

taiga/users/services.py

@@ -88,3 +88,27 @@ def get_big_photo_or_gravatar_url(user):
         return get_big_photo_url(user.photo)
     else:
         return get_gravatar_url(user.email, size=settings.DEFAULT_BIG_AVATAR_SIZE)
+
+def get_stats_for_user(user):
+    """Get the user stats"""
+
+    project_ids = user.memberships.values_list("project__id", flat=True).distinct()
+    total_num_projects = project_ids.count()
+    roles = [_(r) for r in user.memberships.values_list("role__name", flat=True)]
+    roles = list(set(roles))
+    User = apps.get_model('users', 'User')
+    total_num_contacts = User.objects.filter(memberships__project__id__in=project_ids)\
+        .exclude(id=user.id)\
+        .distinct()\
+        .count()
+
+    UserStory = apps.get_model('userstories', 'UserStory')
+    total_num_closed_userstories = UserStory.objects.filter(is_closed=True, assigned_to=user).count()
+
+    project_stats = {
+        'total_num_projects': total_num_projects,
+        'roles': roles,
+        'total_num_contacts': total_num_contacts,
+        'total_num_closed_userstories': total_num_closed_userstories,
+    }
+    return project_stats