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Add menu item badge feature and update group icons

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This commit is contained in:
Erik Kalkoken 2020-09-11 11:33:14 +00:00 committed by Ariel Rin
parent f729c6b650
commit 228af38a4a
19 changed files with 434 additions and 116 deletions
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37
allianceauth/groupmanagement/auth_hooks.py Normal file
View File

@ -0,0 +1,37 @@
from django.utils.translation import ugettext_lazy as _
from allianceauth.services.hooks import MenuItemHook, UrlHook
from allianceauth import hooks
from . import urls
from .managers import GroupManager
class GroupManagementMenuItem(MenuItemHook):
""" This class ensures only authorized users will see the menu entry """
def __init__(self):
# setup menu entry for sidebar
MenuItemHook.__init__(
self,
text=_('Group Management'),
classes='fas fa-users-cog fa-fw',
url_name='groupmanagement:management',
order=50,
navactive=['groupmanagement:management']
)
def render(self, request):
if GroupManager.can_manage_groups(request.user):
self.count = GroupManager.pending_requests_count_for_user(request.user)
return MenuItemHook.render(self, request)
return ''
@hooks.register('menu_item_hook')
def register_menu():
return GroupManagementMenuItem()
@hooks.register('url_hook')
def register_urls():
return UrlHook(urls, 'group', r'^group/')

16
allianceauth/groupmanagement/managers.py
View File

@ -4,6 +4,7 @@ from django.contrib.auth.models import Group, User
from django.db.models import Q, QuerySet
from allianceauth.authentication.models import State
from .models import GroupRequest
logger = logging.getLogger(__name__)
@ -101,3 +102,18 @@ class GroupManager:
if user.is_authenticated:
return cls.has_management_permission(user) or cls.get_group_leaders_groups(user).filter(pk=group.pk).exists()
return False
@classmethod
def pending_requests_count_for_user(cls, user: User) -> int:
"""Returns the number of pending group requests for the given user"""
if cls.has_management_permission(user):
return GroupRequest.objects.filter(status="pending").count()
else:
return (
GroupRequest.objects
.filter(status="pending")
.filter(group__authgroup__group_leaders__exact=user)
.select_related("group__authgroup__group_leaders")
.count()
)

1
allianceauth/groupmanagement/models.py
View File

@ -4,7 +4,6 @@ from django.db import models
from django.db.models.signals import post_save
from django.dispatch import receiver
from allianceauth.authentication.models import State
from datetime import datetime
class GroupRequest(models.Model):

0
allianceauth/groupmanagement/templatetags/__init__.py
View File

15
allianceauth/groupmanagement/templatetags/groupmanagement.py
View File

@ -1,15 +0,0 @@
from django import template
from django.contrib.auth.models import User
from allianceauth.groupmanagement.managers import GroupManager
register = template.Library()
@register.filter
def can_manage_groups(user: User) -> bool:
"""returns True if the given user can manage groups. Returns False otherwise."""
if not isinstance(user, User):
return False
return GroupManager.can_manage_groups(user)

108
allianceauth/groupmanagement/tests/test_managers.py
View File

@ -7,7 +7,7 @@ from django.urls import reverse
from allianceauth.eveonline.models import EveCorporationInfo, EveAllianceInfo
from allianceauth.tests.auth_utils import AuthUtils
from ..models import AuthGroup
from ..models import GroupRequest
from ..managers import GroupManager
@ -15,6 +15,7 @@ class MockUserNotAuthenticated():
def __init__(self):
self.is_authenticated = False
class GroupManagementVisibilityTestCase(TestCase):
@classmethod
def setUpTestData(cls):
@ -37,22 +38,20 @@ class GroupManagementVisibilityTestCase(TestCase):
def _refresh_user(self):
self.user = User.objects.get(pk=self.user.pk)
def test_get_group_leaders_groups(self):
self.group1.authgroup.group_leaders.add(self.user)
self.group2.authgroup.group_leader_groups.add(self.group1)
self._refresh_user()
groups = GroupManager.get_group_leaders_groups(self.user)
self.assertIn(self.group1, groups) #avail due to user
self.assertNotIn(self.group2, groups) #not avail due to group
self.assertNotIn(self.group3, groups) #not avail at all
self.assertIn(self.group1, groups) #avail due to user
self.assertNotIn(self.group2, groups) #not avail due to group
self.assertNotIn(self.group3, groups) #not avail at all
self.user.groups.add(self.group1)
self._refresh_user()
groups = GroupManager.get_group_leaders_groups(self.user)
def test_can_manage_group(self):
self.group1.authgroup.group_leaders.add(self.user)
self.user.groups.add(self.group1)
@ -182,7 +181,6 @@ class TestGroupManager(TestCase):
]:
self.assertFalse(GroupManager.joinable_group(x, member_state))
def test_joinable_group_guest(self):
guest_state = AuthUtils.get_guest_state()
for x in [
@ -200,7 +198,6 @@ class TestGroupManager(TestCase):
]:
self.assertFalse(GroupManager.joinable_group(x, guest_state))
def test_get_all_non_internal_groups(self):
result = GroupManager.get_all_non_internal_groups()
expected = {
@ -224,7 +221,7 @@ class TestGroupManager(TestCase):
def test_get_joinable_groups_for_user_no_permission(self):
AuthUtils.assign_state(self.user, AuthUtils.get_guest_state())
result = GroupManager.get_joinable_groups_for_user(self.user)
expected= {self.group_public_1, self.group_public_2}
expected = {self.group_public_1, self.group_public_2}
self.assertSetEqual(set(result), expected)
def test_get_joinable_groups_for_user_guest_w_permission_(self):
@ -335,3 +332,96 @@ class TestGroupManager(TestCase):
self.assertFalse(
GroupManager.can_manage_group(user, self.group_default)
)
class TestPendingRequestsCountForUser(TestCase):
def setUp(self) -> None:
self.group_1 = Group.objects.create(name="Group 1")
self.group_2 = Group.objects.create(name="Group 2")
self.user_leader_1 = AuthUtils.create_member('Clark Kent')
self.group_1.authgroup.group_leaders.add(self.user_leader_1)
self.user_leader_2 = AuthUtils.create_member('Peter Parker')
self.group_2.authgroup.group_leaders.add(self.user_leader_2)
self.user_requestor = AuthUtils.create_member('Bruce Wayne')
def test_single_request_for_leader(self):
# given user_leader_1 is leader of group_1
# and user_leader_2 is leader of group_2
# when user_requestor is requesting access to group 1
# then return 1 for user_leader 1 and 0 for user_leader_2
GroupRequest.objects.create(
status="pending", user=self.user_requestor, group=self.group_1
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_leader_1), 1
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_leader_2), 0
)
def test_return_none_for_none_leader(self):
# given user_requestor is leader of no group
# when user_requestor is requesting access to group 1
# then return 0 for user_requestor
GroupRequest.objects.create(
status="pending", user=self.user_requestor, group=self.group_1
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_requestor), 0
)
def test_single_leave_request(self):
# given user_leader_2 is leader of group_2
# and user_requestor is member of group 2
# when user_requestor is requesting to leave group 2
# then return 1 for user_leader_2
self.user_requestor.groups.add(self.group_2)
GroupRequest.objects.create(
status="pending",
user=self.user_requestor,
group=self.group_2,
leave_request=True
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_leader_2), 1
)
def test_join_and_leave_request(self):
# given user_leader_2 is leader of group_2
# and user_requestor is member of group 2
# when user_requestor is requesting to leave group 2
# and user_requestor_2 is requesting to join group 2
# then return 2 for user_leader_2
self.user_requestor.groups.add(self.group_2)
user_requestor_2 = AuthUtils.create_member("Lex Luther")
GroupRequest.objects.create(
status="pending",
user=user_requestor_2,
group=self.group_2
)
GroupRequest.objects.create(
status="pending",
user=self.user_requestor,
group=self.group_2,
leave_request=True
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_leader_2), 2
)
def test_single_request_for_user_with_management_perm(self):
# given user_leader_4 which is leafer of no group
# but has the management permissions
# when user_requestor is requesting access to group 1
# then return 1 for user_leader_4
user_leader_4 = AuthUtils.create_member("Lex Luther")
AuthUtils.add_permission_to_user_by_name("auth.group_management", user_leader_4)
user_leader_4 = User.objects.get(pk=user_leader_4.pk)
GroupRequest.objects.create(
status="pending", user=self.user_requestor, group=self.group_1
)
self.assertEqual(
GroupManager.pending_requests_count_for_user(self.user_leader_1), 1
)

27
allianceauth/groupmanagement/tests/test_templatetags.py
View File

@ -1,27 +0,0 @@
from unittest.mock import patch
from django.test import TestCase
from allianceauth.tests.auth_utils import AuthUtils
from ..templatetags.groupmanagement import can_manage_groups
MODULE_PATH = 'allianceauth.groupmanagement.templatetags.groupmanagement'
@patch(MODULE_PATH + '.GroupManager.can_manage_groups')
class TestCanManageGroups(TestCase):
def setUp(self):
self.user = AuthUtils.create_user('Bruce Wayne')
def test_return_normal_result(self, mock_can_manage_groups):
mock_can_manage_groups.return_value = True
self.assertTrue(can_manage_groups(self.user))
self.assertTrue(mock_can_manage_groups.called)
def test_return_false_if_not_user(self, mock_can_manage_groups):
mock_can_manage_groups.return_value = True
self.assertFalse(can_manage_groups('invalid'))
self.assertFalse(mock_can_manage_groups.called)

47
allianceauth/groupmanagement/urls.py
View File

@ -1,32 +1,29 @@
from . import views
from django.conf.urls import include, url
from django.conf.urls import url
app_name = 'groupmanagement'
urlpatterns = [
url(r'^groups/', views.groups_view, name='groups'),
url(r'^group/', include([
url(r'^management/', views.group_management,
name='management'),
url(r'^membership/$', views.group_membership,
name='membership'),
url(r'^membership/(\w+)/$', views.group_membership_list,
name='membership_list'),
url(r'^membership/(\w+)/audit/$', views.group_membership_audit, name="audit_log"),
url(r'^membership/(\w+)/remove/(\w+)/$', views.group_membership_remove,
name='membership_remove'),
url(r'^request_add/(\w+)', views.group_request_add,
name='request_add'),
url(r'^request/accept/(\w+)', views.group_accept_request,
name='accept_request'),
url(r'^request/reject/(\w+)', views.group_reject_request,
name='reject_request'),
url(r'^request_leave/(\w+)', views.group_request_leave,
name='request_leave'),
url(r'leave_request/accept/(\w+)', views.group_leave_accept_request,
name='leave_accept_request'),
url(r'^leave_request/reject/(\w+)', views.group_leave_reject_request,
name='leave_reject_request'),
])),
url(r'^management/', views.group_management,
name='management'),
url(r'^membership/$', views.group_membership,
name='membership'),
url(r'^membership/(\w+)/$', views.group_membership_list,
name='membership_list'),
url(r'^membership/(\w+)/audit/$', views.group_membership_audit, name="audit_log"),
url(r'^membership/(\w+)/remove/(\w+)/$', views.group_membership_remove,
name='membership_remove'),
url(r'^request_add/(\w+)', views.group_request_add,
name='request_add'),
url(r'^request/accept/(\w+)', views.group_accept_request,
name='accept_request'),
url(r'^request/reject/(\w+)', views.group_reject_request,
name='reject_request'),
url(r'^request_leave/(\w+)', views.group_request_leave,
name='request_leave'),
url(r'leave_request/accept/(\w+)', views.group_leave_accept_request,
name='leave_accept_request'),
url(r'^leave_request/reject/(\w+)', views.group_leave_reject_request,
name='leave_reject_request'),
]

12
allianceauth/hrapplications/auth_hooks.py
View File

@ -1,7 +1,10 @@
from allianceauth.services.hooks import MenuItemHook, UrlHook
from django.utils.translation import ugettext_lazy as _
from allianceauth import hooks
from allianceauth.hrapplications import urls
from allianceauth.services.hooks import MenuItemHook, UrlHook
from . import urls
from .models import Application
class ApplicationsMenu(MenuItemHook):
@ -12,6 +15,11 @@ class ApplicationsMenu(MenuItemHook):
'hrapplications:index',
navactive=['hrapplications:'])
def render(self, request):
app_count = Application.objects.pending_requests_count_for_user(request.user)
self.count = app_count if app_count and app_count > 0 else None
return MenuItemHook.render(self, request)
@hooks.register('menu_item_hook')
def register_menu():

25
allianceauth/hrapplications/managers.py Normal file
View File

@ -0,0 +1,25 @@
from django.contrib.auth.models import User
from django.db import models
from typing import Optional
class ApplicationManager(models.Manager):
def pending_requests_count_for_user(self, user: User) -> Optional[int]:
"""Returns the number of pending group requests for the given user"""
if user.is_superuser:
return self.filter(approved__isnull=True).count()
elif user.has_perm("auth.human_resources"):
main_character = user.profile.main_character
if main_character:
return (
self
.select_related("form__corp")
.filter(form__corp__corporation_id=main_character.corporation_id)
.filter(approved__isnull=True)
.count()
)
else:
return None
else:
return None

8
allianceauth/hrapplications/models.py
View File

@ -2,8 +2,9 @@ from django.contrib.auth.models import User
from django.db import models
from sortedm2m.fields import SortedManyToManyField
from allianceauth.eveonline.models import EveCharacter
from allianceauth.eveonline.models import EveCorporationInfo
from allianceauth.eveonline.models import EveCharacter, EveCorporationInfo
from .managers import ApplicationManager
class ApplicationQuestion(models.Model):
@ -22,6 +23,7 @@ class ApplicationChoice(models.Model):
def __str__(self):
return self.choice_text
class ApplicationForm(models.Model):
questions = SortedManyToManyField(ApplicationQuestion)
corp = models.OneToOneField(EveCorporationInfo, on_delete=models.CASCADE)
@ -38,6 +40,8 @@ class Application(models.Model):
reviewer_character = models.ForeignKey(EveCharacter, on_delete=models.SET_NULL, blank=True, null=True)
created = models.DateTimeField(auto_now_add=True)
objects = ApplicationManager()
def __str__(self):
return str(self.user) + " Application To " + str(self.form)

104
allianceauth/hrapplications/tests.py
View File

@ -1 +1,103 @@
# Create your tests here.
from django.contrib.auth.models import User
from django.test import TestCase
from allianceauth.eveonline.models import EveCorporationInfo
from allianceauth.tests.auth_utils import AuthUtils
from .models import Application, ApplicationForm, ApplicationQuestion, ApplicationChoice
class TestApplicationManagersPendingRequestsCountForUser(TestCase):
def setUp(self) -> None:
self.corporation_1 = EveCorporationInfo.objects.create(
corporation_id=2001, corporation_name="Wayne Tech", member_count=42
)
self.corporation_2 = EveCorporationInfo.objects.create(
corporation_id=2011, corporation_name="Lex Corp", member_count=666
)
question = ApplicationQuestion.objects.create(title="Dummy Question")
ApplicationChoice.objects.create(question=question, choice_text="yes")
ApplicationChoice.objects.create(question=question, choice_text="no")
self.form_corporation_1 = ApplicationForm.objects.create(
corp=self.corporation_1
)
self.form_corporation_1.questions.add(question)
self.form_corporation_2 = ApplicationForm.objects.create(
corp=self.corporation_2
)
self.form_corporation_2.questions.add(question)
self.user_requestor = AuthUtils.create_member("Peter Parker")
self.user_manager = AuthUtils.create_member("Bruce Wayne")
AuthUtils.add_main_character_2(
self.user_manager,
self.user_manager.username,
1001,
self.corporation_1.corporation_id,
self.corporation_1.corporation_name,
)
AuthUtils.add_permission_to_user_by_name(
"auth.human_resources", self.user_manager
)
self.user_manager = User.objects.get(pk=self.user_manager.pk)
def test_no_pending_application(self):
# given manager of corporation 1 has permission
# when no application is pending for corporation 1
# return 0
self.assertEqual(
Application.objects.pending_requests_count_for_user(self.user_manager), 0
)
def test_single_pending_application(self):
# given manager of corporation 1 has permission
# when 1 application is pending for corporation 1
# return 1
Application.objects.create(
form=self.form_corporation_1, user=self.user_requestor
)
self.assertEqual(
Application.objects.pending_requests_count_for_user(self.user_manager), 1
)
def test_user_has_no_permission(self):
# given user has no permission
# when 1 application is pending
# return None
self.assertIsNone(
Application.objects.pending_requests_count_for_user(self.user_requestor)
)
def test_two_pending_applications_for_different_corporations_normal_manager(self):
# given manager of corporation 1 has permission
# when 1 application is pending for corporation 1
# and 1 application is pending for corporation 2
# return 1
Application.objects.create(
form=self.form_corporation_1, user=self.user_requestor
)
Application.objects.create(
form=self.form_corporation_2, user=self.user_requestor
)
self.assertEqual(
Application.objects.pending_requests_count_for_user(self.user_manager), 1
)
def test_two_pending_applications_for_different_corporations_manager_is_super(self):
# given manager of corporation 1 has permission
# when 1 application is pending for corporation 1
# and 1 application is pending for corporation 2
# return 1
Application.objects.create(
form=self.form_corporation_1, user=self.user_requestor
)
Application.objects.create(
form=self.form_corporation_2, user=self.user_requestor
)
superuser = User.objects.create_superuser(
"Superman", "superman@example.com", "password"
)
self.assertEqual(
Application.objects.pending_requests_count_for_user(superuser), 2
)

5
allianceauth/services/hooks.py
View File

@ -139,6 +139,11 @@ class MenuItemHook:
self.url_name = url_name
self.template = 'public/menuitem.html'
self.order = order if order is not None else 9999
# count is an integer shown next to the menu item as badge when count != None
# apps need to set the count in their child class, e.g. in render() method
self.count = None
navactive = navactive or []
navactive.append(url_name)
self.navactive = navactive

5
allianceauth/services/templates/public/menuitem.html
View File

@ -2,7 +2,10 @@
{% load navactive %}
<li>
<a class="{% navactive request item.navactive|join:" " %}" href="{% url item.url_name %}">
<a class="{% navactive request item.navactive|join:' ' %}" href="{% url item.url_name %}">
<i class="{{ item.classes }}"></i> {% trans item.text %}
{% if item.count != None %}
<span class="badge">{{ item.count }}</span>
{% endif %}
</a>
</li>

7
allianceauth/srp/auth_hooks.py
View File

@ -1,7 +1,10 @@
from allianceauth.services.hooks import MenuItemHook, UrlHook
from django.utils.translation import ugettext_lazy as _
from allianceauth import hooks
from allianceauth.services.hooks import MenuItemHook, UrlHook
from . import urls
from .managers import SRPManager
class SrpMenu(MenuItemHook):
@ -13,6 +16,8 @@ class SrpMenu(MenuItemHook):
def render(self, request):
if request.user.has_perm('srp.access_srp'):
app_count = SRPManager.pending_requests_count_for_user(request.user)
self.count = app_count if app_count and app_count > 0 else None
return MenuItemHook.render(self, request)
return ''

13
allianceauth/srp/managers.py
View File

@ -1,11 +1,13 @@
import logging
import os
import requests
from django.contrib.auth.models import User
from allianceauth import NAME
from allianceauth.eveonline.providers import provider
from .models import SrpUserRequest
logger = logging.getLogger(__name__)
@ -50,3 +52,12 @@ class SRPManager:
return ship_type, ship_value, victim_id
else:
raise ValueError("Invalid Kill ID or Hash.")
@staticmethod
def pending_requests_count_for_user(user: User):
"""returns the number of open SRP requests for given user
or None if user has no permission"""
if user.has_perm("auth.srp_management"):
return SrpUserRequest.objects.filter(srp_status="pending").count()
else:
return None

40
allianceauth/srp/tests/test_managers.py
View File

@ -1,11 +1,16 @@
import inspect
import json
import os
from unittest.mock import patch, Mock
from unittest.mock import patch
from django.contrib.auth.models import User
from django.utils.timezone import now
from django.test import TestCase
from allianceauth.tests.auth_utils import AuthUtils
from ..managers import SRPManager
from ..models import SrpUserRequest, SrpFleetMain
MODULE_PATH = 'allianceauth.srp.managers'
@ -13,6 +18,7 @@ currentdir = os.path.dirname(os.path.abspath(inspect.getfile(
inspect.currentframe()
)))
def load_data(filename):
"""loads given JSON file from `testdata` sub folder and returns content"""
with open(
@ -52,7 +58,7 @@ class TestSrpManager(TestCase):
mock_get.return_value.json.return_value = ['']
with self.assertRaises(ValueError):
ship_type, ship_value, victim_id = SRPManager.get_kill_data(81973979)
SRPManager.get_kill_data(81973979)
@patch(MODULE_PATH + '.provider')
@patch(MODULE_PATH + '.requests.get')
@ -67,6 +73,34 @@ class TestSrpManager(TestCase):
result.return_value = None
with self.assertRaises(ValueError):
ship_type, ship_value, victim_id = SRPManager.get_kill_data(81973979)
SRPManager.get_kill_data(81973979)
def test_pending_requests_count_for_user(self):
user = AuthUtils.create_member("Bruce Wayne")
# when no permission to approve SRP requests
# then return None
self.assertIsNone(SRPManager.pending_requests_count_for_user(user))
# given permission to approve SRP requests
# when no open requests
# then return 0
AuthUtils.add_permission_to_user_by_name("auth.srp_management", user)
user = User.objects.get(pk=user.pk)
self.assertEqual(SRPManager.pending_requests_count_for_user(user), 0)
# given permission to approve SRP requests
# when 1 pending request
# then return 1
fleet = SrpFleetMain.objects.create(fleet_time=now())
SrpUserRequest.objects.create(
killboard_link="https://zkillboard.com/kill/79111612/",
srp_status="Pending",
srp_fleet_main=fleet,
)
SrpUserRequest.objects.create(
killboard_link="https://zkillboard.com/kill/79111612/",
srp_status="Approved",
srp_fleet_main=fleet,
)
self.assertEqual(SRPManager.pending_requests_count_for_user(user), 1)

12
allianceauth/templates/allianceauth/side-menu.html
View File

@ -1,7 +1,6 @@
{% load i18n %}
{% load navactive %}
{% load menu_items %}
{% load groupmanagement %}
<div class="col-sm-2 auth-side-navbar" role="navigation">
<div class="collapse navbar-collapse auth-menus-collapse auth-side-navbar-collapse">
@ -14,19 +13,10 @@
</li>
<li>
<a class="{% navactive request 'groupmanagement:groups' %}" href="{% url 'groupmanagement:groups' %}">
<i class="fas fa-sitemap fa-fw"></i> {% trans "Groups" %}
<i class="fas fa-users fa-fw"></i> {% trans "Groups" %}
</a>
</li>
{% if request.user|can_manage_groups %}
<li>
<a class="{% navactive request 'groupmanagement:management groupmanagement:membership groupmanagement:membership_list' %}"
href="{% url 'groupmanagement:management' %}">
<i class="fas fa-sitemap fa-fw"></i> {% trans "Group Management" %}
</a>
</li>
{% endif %}
{% menu_items %}
</ul>

58
docs/development/custom/menu-hooks.md
View File

@ -4,24 +4,58 @@ The menu hooks allow you to dynamically specify menu items from your plugin app
To register a MenuItemHook class you would do the following:
@hooks.register('menu_item_hook')
def register_menu():
return MenuItemHook('Example Item', 'glyphicon glyphicon-heart', 'example_url_name', 150)
```Python
@hooks.register('menu_item_hook')
def register_menu():
return MenuItemHook('Example Item', 'glyphicon glyphicon-heart', 'example_url_name',150)
```
The `MenuItemHook` class specifies some parameters/instance variables required for menu item display.
`MenuItemHook(text, classes, url_name, order=None)`
## MenuItemHook(text, classes, url_name, order=None)
### text
The text shown as menu item, e.g. usually the name of the app.
### classes
#### text
The text value of the link
#### classes
The classes that should be applied to the bootstrap menu item icon
#### url_name
### url_name
The name of the Django URL to use
#### order
An integer which specifies the order of the menu item, lowest to highest
#### navactive
### order
An integer which specifies the order of the menu item, lowest to highest. Community apps are free ot use an oder above `1000`. Numbers below are served for Auth.
### navactive
A list of views or namespaces the link should be highlighted on. See [django-navhelper](https://github.com/geelweb/django-navhelper#navactive) for usage. Defaults to the supplied `url_name`.
### count
`count` is an integer shown next to the menu item as badge when `count` is not `None`.
This is a great feature to signal the user, that he has some open issues to take care of within an app. For example Auth uses this feature to show the specific number of open group request to the current user.
```eval_rst
.. hint::
Here is how to stay consistent with the Auth design philosophy for using this feature:
1. Use it to display open items that the current user can close by himself only. Do not use it for items, that the user has no control over.
2. If there are currently no open items, do not show a badge at all.
```
To use it set count the `render()` function of your subclass in accordance to the current user. Here is an example:
```Python
def render(self, request):
# ...
self.count = calculate_count_for_user(request.user)
# ...
```
## Customization
If you cannot get the menu item to look the way you wish, you are free to subclass and override the default render function and the template used.