From d4a0a9b7dd7b49014868bac924d3f2544e844848 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Mon, 4 Dec 2017 16:11:42 +0100
Subject: [PATCH] show current (maybe anonymous) user and their permissions

---
 src/c3nav/api/urls.py                    |  5 ++++-
 src/c3nav/mapdata/api.py                 |  7 +++++++
 src/c3nav/mapdata/utils/user.py          | 26 ++++++++++++++++++++++++
 src/c3nav/site/static/site/css/c3nav.css | 12 ++++++++++-
 src/c3nav/site/templates/site/map.html   |  4 ++++
 src/c3nav/site/views.py                  | 10 +++------
 6 files changed, 55 insertions(+), 9 deletions(-)
 create mode 100644 src/c3nav/mapdata/utils/user.py

diff --git a/src/c3nav/api/urls.py b/src/c3nav/api/urls.py
index 85ffde8e..e9727691 100644
--- a/src/c3nav/api/urls.py
+++ b/src/c3nav/api/urls.py
@@ -11,7 +11,8 @@ from c3nav.editor.api import ChangeSetViewSet, EditorViewSet
 from c3nav.mapdata.api import (AccessRestrictionViewSet, AreaViewSet, BuildingViewSet, ColumnViewSet, DoorViewSet,
                                HoleViewSet, LevelViewSet, LineObstacleViewSet, LocationBySlugViewSet,
                                LocationGroupCategoryViewSet, LocationGroupViewSet, LocationViewSet, MapViewSet,
-                               ObstacleViewSet, POIViewSet, RampViewSet, SourceViewSet, SpaceViewSet, StairViewSet)
+                               ObstacleViewSet, POIViewSet, RampViewSet, SourceViewSet, SpaceViewSet, StairViewSet,
+                               UserViewSet)
 from c3nav.routing.api import RoutingViewSet
 
 router = SimpleRouter()
@@ -36,6 +37,8 @@ router.register(r'locations/by_slug', LocationBySlugViewSet, base_name='location
 router.register(r'locationgroupcategories', LocationGroupCategoryViewSet)
 router.register(r'locationgroups', LocationGroupViewSet)
 
+router.register(r'user', UserViewSet, base_name='user')
+
 router.register(r'routing', RoutingViewSet, base_name='routing')
 
 router.register(r'editor', EditorViewSet, base_name='editor')
diff --git a/src/c3nav/mapdata/api.py b/src/c3nav/mapdata/api.py
index 6792e4b5..8867f583 100644
--- a/src/c3nav/mapdata/api.py
+++ b/src/c3nav/mapdata/api.py
@@ -27,6 +27,7 @@ from c3nav.mapdata.models.locations import (Location, LocationGroupCategory, Loc
 from c3nav.mapdata.utils.locations import (get_location_by_id_for_request, get_location_by_slug_for_request,
                                            searchable_locations_for_request, visible_locations_for_request)
 from c3nav.mapdata.utils.models import get_submodels
+from c3nav.mapdata.utils.user import get_user_data
 
 
 def optimize_query(qs):
@@ -378,3 +379,9 @@ class SourceViewSet(MapdataViewSet):
 
 class AccessRestrictionViewSet(MapdataViewSet):
     queryset = AccessRestriction.objects.all()
+
+
+class UserViewSet(MapdataViewSet):
+    @list_route(methods=['get'])
+    def current(self, request, key=None):
+        return Response(get_user_data(request))
diff --git a/src/c3nav/mapdata/utils/user.py b/src/c3nav/mapdata/utils/user.py
new file mode 100644
index 00000000..c62a6939
--- /dev/null
+++ b/src/c3nav/mapdata/utils/user.py
@@ -0,0 +1,26 @@
+from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ungettext_lazy
+
+from c3nav.mapdata.models.access import AccessPermission
+
+
+def get_user_data(request):
+    permissions = AccessPermission.get_for_request(request)
+    result = {
+        'logged_in': bool(request.user.is_authenticated),
+    }
+    if permissions:
+        result.update({
+            'title': _('not logged in'),
+            'subtitle': ungettext_lazy('%d area unlocked', '%d areas unlocked', len(permissions)) % len(permissions),
+            'permissions': tuple(permissions),
+        })
+    else:
+        result.update({
+            'title': _('Login'),
+            'subtitle': None,
+            'permissions': (),
+        })
+    if request.user.is_authenticated:
+        result['title'] = request.user.username
+    return result
diff --git a/src/c3nav/site/static/site/css/c3nav.css b/src/c3nav/site/static/site/css/c3nav.css
index 79122da8..7d56b015 100644
--- a/src/c3nav/site/static/site/css/c3nav.css
+++ b/src/c3nav/site/static/site/css/c3nav.css
@@ -12,10 +12,20 @@ header {
     padding: 10px;
     display: flex;
     align-items: center;
+    justify-content: space-between;
 }
 header h1 {
     font-size: 3rem;
-    margin:0;
+    margin: 0;
+}
+header #user {
+    text-align: right;
+    padding: 0 0 3px 10px;
+}
+header #user small {
+    display: block;
+    margin-top: -3px;
+    color: #606c76;
 }
 
 input {
diff --git a/src/c3nav/site/templates/site/map.html b/src/c3nav/site/templates/site/map.html
index 737b01ea..1437c243 100644
--- a/src/c3nav/site/templates/site/map.html
+++ b/src/c3nav/site/templates/site/map.html
@@ -20,6 +20,10 @@
   <body>
     <header>
         <h1>c3nav</h1>
+        <a href="#" id="user">
+            <span>{{ user_data.title }}</span>
+            {% if user_data.subtitle %}<small>{{ user_data.subtitle }}</small>{% endif %}
+        </a>
     </header>
     <main class="map" data-state="{{ state }}">
         <section id="popup-buttons">
diff --git a/src/c3nav/site/views.py b/src/c3nav/site/views.py
index 37f89273..bceb1ba9 100644
--- a/src/c3nav/site/views.py
+++ b/src/c3nav/site/views.py
@@ -1,23 +1,18 @@
-# flake8: noqa
 import json
-from collections import OrderedDict
 from typing import Optional
 
 import qrcode
 from django.conf import settings
-from django.core.cache import cache
 from django.core.serializers.json import DjangoJSONEncoder
-from django.http import Http404, HttpResponse, HttpResponseBadRequest
+from django.http import HttpResponse, HttpResponseBadRequest
 from django.shortcuts import render
-from django.urls import reverse
 from django.views.decorators.cache import cache_control
 from django.views.decorators.http import etag
 
 from c3nav.mapdata.models import Location, Source
-from c3nav.mapdata.models.access import AccessPermission
-from c3nav.mapdata.models.level import Level
 from c3nav.mapdata.models.locations import LocationRedirect, SpecificLocation
 from c3nav.mapdata.utils.locations import get_location_by_slug_for_request, levels_by_short_label_for_request
+from c3nav.mapdata.utils.user import get_user_data
 from c3nav.mapdata.views import set_tile_access_cookie
 
 
@@ -81,6 +76,7 @@ def map_index(request, mode=None, slug=None, slug2=None, details=None, level=Non
         'levels': json.dumps(tuple((level.pk, level.short_label) for level in levels.values()), separators=(',', ':')),
         'state': json.dumps(state, separators=(',', ':'), cls=DjangoJSONEncoder),
         'tile_cache_server': settings.TILE_CACHE_SERVER,
+        'user_data': get_user_data(request),
     }
     return render(request, 'site/map.html', ctx)