Add sending of notification to participants of event by organisers

website/events/admin.py

@@ -230,6 +230,10 @@ class EventAdmin(DoNextTranslatedModelAdmin):
                  self.admin_site.admin_view(
                      admin_views.EventRegistrationsMarkPresent.as_view()),
                  name='events_event_all_present'),
+            path('<int:pk>/message/',
+                 self.admin_site.admin_view(
+                     admin_views.EventMessage.as_view(admin=self)),
+                 name='events_event_message'),
         ]
         return custom_urls + urls
 

website/events/admin_views.py

@@ -18,7 +18,8 @@ from django.views.generic import DetailView, TemplateView, FormView
 from events import services
 from events.decorators import organiser_only
 from events.exceptions import RegistrationError
-from events.forms import FieldsForm
+from events.forms import FieldsForm, EventMessageForm
+from pushnotifications.models import Message, Category
 from .models import Event, Registration
 
 
@@ -110,6 +111,74 @@ class RegistrationAdminFields(FormView):
         ))
 
 
+@method_decorator(staff_member_required, name='dispatch')
+@method_decorator(organiser_only, name='dispatch')
+class EventMessage(FormView):
+    """
+    Renders a form that allows the user to create a push notification for all
+    users registers to the event.
+    """
+    form_class = EventMessageForm
+    template_name = 'events/admin/message_form.html'
+    admin = None
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context.update({
+            **self.admin.admin_site.each_context(self.request),
+            'add': False,
+            'change': True,
+            'has_view_permission': True,
+            'has_add_permission': False,
+            'has_change_permission':
+                self.request.user.has_perms('events.change_event'),
+            'has_delete_permission': False,
+            'has_editable_inline_admin_formsets': False,
+            'app_label': 'events',
+            'opts': self.event._meta,
+            'is_popup': False,
+            'save_as': False,
+            'save_on_top': False,
+            'original': self.event,
+            'obj_id': self.event.pk,
+            'title': _('Send push notification'),
+            'adminform': helpers.AdminForm(context['form'], (
+                (None, {
+                    'fields': [f for f in context['form'].fields.keys()]
+                }),
+            ), {})
+        })
+        return context
+
+    def form_valid(self, form):
+        values = form.cleaned_data
+        message = Message(
+            title_nl=values['title_nl'],
+            title_en=values['title_en'],
+            body_nl=values['title_nl'],
+            body_en=values['title_en'],
+            url=values['url'],
+            category=Category.objects.get(key='event')
+        )
+        message.save()
+        message.users.set([r.member for r in self.event.participants
+                           if r.member])
+        message.send()
+        print(message)
+
+        messages.success(self.request,
+                         _("Message sent successfully."))
+        if '_save' in self.request.POST:
+            return HttpResponseRedirect(reverse(
+                'admin:events_event_details',
+                args=[str(self.event.pk)]
+            ))
+
+    def dispatch(self, request, *args, **kwargs):
+        self.event = get_object_or_404(Event, pk=self.kwargs['pk'])
+        return super().dispatch(request, *args, **kwargs)
+
+
 @method_decorator(staff_member_required, name='dispatch')
 @method_decorator(organiser_only, name='dispatch')
 class EventRegistrationsExport(View, PermissionRequiredMixin):

website/events/forms.py

@@ -86,3 +86,12 @@ class FieldsForm(forms.Form):
     def field_values(self):
         for key, field in self.information_fields.items():
             yield (key, self.cleaned_data[key])
+
+
+class EventMessageForm(forms.Form):
+    """Form that outputs a widget to get info to send a push notification"""
+    title_en = forms.CharField(required=True, max_length=150)
+    title_nl = forms.CharField(required=True, max_length=150)
+    body_en = forms.CharField(required=True)
+    body_nl = forms.CharField(required=True)
+    url = forms.CharField(max_length=256)

website/events/templates/events/admin/details.html

@@ -55,6 +55,7 @@
         <a href="{% url 'admin:events_event_export' pk=event.pk %}" class="button">{% trans "Export registrations" %}</a>
         <a href="{% url 'admin:events_event_export_email' pk=event.pk %}" class="button">{% trans "Export email addresses of attendees" %}</a>
         <a href="{% url 'admin:events_event_all_present' pk=event.pk %}" class="button">{% trans "Set all registered to paid and present" %}</a>
+        <a href="{% url 'admin:events_event_message' pk=event.pk %}" class="button">{% trans "Send pushnotification to registerd users" %}</a>
     </div>
 </div>
 {% endblock %}

website/events/templates/events/admin/message_form.html

+{% extends "admin/change_form.html" %}
+{% load i18n admin_urls static compress %}
+
+{% block extrastyle %}
+    {{ block.super }}
+    {% compress css %}<link rel="stylesheet" type="text/x-scss" href="{% static 'admin/pushnotifications/css/forms.scss' %}" />{% endcompress %}
+{% endblock %}
+
+{% block submit_buttons_bottom %}
+    <div class="submit-row pushnotifications-row">
+        <input type="submit" value="Send message" class="default button" name="_save" data-_extension-text-contrast="">
+    </div>
+{% endblock %}

website/pushnotifications/static/admin/pushnotifications/css/forms.scss

@@ -11,7 +11,7 @@
     }
 }
 
-.pushnotifications-row a.button {
+.pushnotifications-row .button {
     background-color: #e65c95;
     font-size: 13px;