dashboard: use gravatar avatar option

circle/dashboard/models.py

@@ -26,7 +26,7 @@ from django.contrib.auth.signals import user_logged_in
 from django.core.urlresolvers import reverse
 from django.db.models import (
     Model, ForeignKey, OneToOneField, CharField, IntegerField, TextField,
-    DateTimeField, permalink,
+    DateTimeField, permalink, BooleanField
 )
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _, override, ugettext
@@ -83,6 +83,7 @@ class Profile(Model):
         unique=True, blank=True, null=True, max_length=64,
         help_text=_('Unique identifier of the person, e.g. a student number.'))
     instance_limit = IntegerField(default=5)
+    use_gravatar = BooleanField(default=False)
 
     def notify(self, subject, template, context={}, valid_until=None):
         return Notification.send(self.user, subject, template, context,

circle/dashboard/static/dashboard/dashboard.css

@@ -672,3 +672,7 @@ textarea[name="list-new-namelist"] {
   color: #555 !important;
   text-decoration: none;
 }
+
+#dashboard-profile-avatar {
+  max-width: 200px;
+}

circle/dashboard/static/dashboard/profile.js

+$(function() {
+  // change user avatar
+  $("#dashboard-profile-use-gravatar").click(function() {
+    var checked = $(this).prop("checked");
+    var user = $(this).data("user");
+
+    $.ajax({
+      type: 'POST',
+      url:"/dashboard/profile/" + user + "/use_gravatar/",
+      headers: {"X-CSRFToken": getCookie('csrftoken')}, 
+      success: function(re) {
+        if(re.new_avatar_url) {
+          $("#dashboard-profile-avatar").prop("src", re.new_avatar_url);  
+        }
+      },
+      error: function(xhr, textStatus, error) {
+        if(xhr.status == 403) {
+          addMessage(gettext("You have no permission to change this profile."), "danger");
+        } else {
+          addMessage(gettext("Unknown error."), "danger");
+        }
+      }
+    });
+  });
+
+});
+

circle/dashboard/templates/dashboard/profile.html

@@ -19,7 +19,7 @@
       <div class="panel-body">
         <div>
           <div class="" style="float: left">
-            <img src="{{ avatar_url }}?s=200" class="img-rounded"/>
+            <img id="dashboard-profile-avatar" src="{{ avatar_url }}" class="img-rounded"/>
           </div>
           <div class="" style="padding-left: 215px;">
             <p>Username: {{ profile.username }}</p>
@@ -27,10 +27,14 @@
             <p>First name: {{ profile.first_name|default:"-" }}</p>
             <p>Last name: {{ profile.last_name|default:"-" }}</p>
             <p>Email address: {{ profile.email }}</p>
+            {% if request.user == profile %}
             <p>
               Use email address as Gravatar profile image:
-              <input type="checkbox"/> <a href="https://gravatar.com">What's Gravatar?</a>
+              <input id="dashboard-profile-use-gravatar" data-user="{{ profile.pk }}"
+              {% if profile.profile.use_gravatar %}checked="checked"{% endif %}
+              type="checkbox"/> <a href="https://gravatar.com">What's Gravatar?</a>
             </p>
+            {% endif %}
           </div>
           <div class="clearfix"></div>
         </div>
@@ -96,3 +100,7 @@
 </div>
 
 {% endblock %}
+
+{% block extra_js %}
+  <script src="{{ STATIC_URL }}dashboard/profile.js"></script>
+{% endblock %}

circle/dashboard/urls.py

@@ -34,7 +34,7 @@ from .views import (
     GroupCreate,
     TemplateChoose,
     UserCreationView,
-    ProfileView,
+    ProfileView, toggle_use_gravatar,
 )
 
 urlpatterns = patterns(
@@ -133,8 +133,9 @@ urlpatterns = patterns(
     url(r'^interface/(?P<pk>\d+)/delete/$', InterfaceDeleteView.as_view(),
         name="dashboard.views.interface-delete"),
 
-    url(r'^profile/(?P<pk>\d+)$', ProfileView.as_view(),
+    url(r'^profile/(?P<pk>\d+)/$', ProfileView.as_view(),
         name="dashboard.views.profile"),
+    url(r'^profile/(?P<pk>\d+)/use_gravatar/$', toggle_use_gravatar),
 
     url(r'^group/(?P<group_pk>\d+)/remove/acl/user/(?P<member_pk>\d+)/$',
         GroupRemoveAclUserView.as_view(),

circle/dashboard/views.py

@@ -36,7 +36,7 @@ from django.core.urlresolvers import reverse, reverse_lazy
 from django.db.models import Count
 from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import redirect, render, get_object_or_404
-from django.views.decorators.http import require_GET
+from django.views.decorators.http import require_GET, require_POST
 from django.views.generic.detail import SingleObjectMixin
 from django.views.generic import (TemplateView, DetailView, View, DeleteView,
                                   UpdateView, CreateView, ListView)
@@ -46,6 +46,7 @@ from django.utils.translation import ungettext as __
 from django.template.defaultfilters import title as title_filter
 from django.template.loader import render_to_string
 from django.template import RequestContext
+from django.templatetags.static import static
 
 from django.forms.models import inlineformset_factory
 from django_tables2 import SingleTableView
@@ -2652,14 +2653,14 @@ class InterfaceDeleteView(DeleteView):
         self.object.instance.get_absolute_url()
 
 
-class ProfileView(DetailView):
+class ProfileView(LoginRequiredMixin, DetailView):
     template_name = "dashboard/profile.html"
     model = User
 
     def get_context_data(self, **kwargs):
         context = super(ProfileView, self).get_context_data(**kwargs)
         context['profile'] = self.get_object()
-        context['avatar_url'] = self.get_avatar_url()
+        context['avatar_url'] = get_user_avatar_url(context['profile'])
         context['instances_owned'] = Instance.get_objects_with_level(
             "owner", self.get_object(), disregard_superuser=True
         ).filter(destroyed_at=None)
@@ -2694,7 +2695,27 @@ class ProfileView(DetailView):
                 'instances_with_access'].filter(template__in=it)
         return context
 
-    def get_avatar_url(self):
-        user = self.get_object()
+
+@require_POST
+def toggle_use_gravatar(request, **kwargs):
+    user = get_object_or_404(User, pk=kwargs['pk'])
+    if not request.user == user:
+        raise PermissionDenied()
+
+    profile = user.profile
+    profile.use_gravatar = not profile.use_gravatar
+    profile.save()
+
+    new_avatar_url = get_user_avatar_url(user)
+    return HttpResponse(
+        json.dumps({'new_avatar_url': new_avatar_url}),
+        content_type="application/json",
+    )
+
+
+def get_user_avatar_url(user):
+    if user.profile.use_gravatar:
         gravatar_hash = md5(user.email).hexdigest()
-        return "https://gravatar.com/avatar/%s" % gravatar_hash
+        return "https://secure.gravatar.com/avatar/%s?s=200" % gravatar_hash
+    else:
+        return static("dashboard/img/avatar.png")