send email to host,cohost

Whenever a host adds or removes a cohost to the event, email notification are sent to a) host and b) the added/removed cohost

physionet-django/events/templates/events/email/event_cohost_cohost_status_change.html

@@ -0,0 +1,15 @@
+{% load i18n %}{% autoescape off %}{% filter wordwrap:70 %}
+Dear {{ name }},
+{% if status == 'Make cohost' %}
+You have been added as Cohost to the Event : {{ event_title }}.
+
+You can now manage the event participants from your events dashboard.
+{% elif status == 'Remove cohost' %}
+Your Cohost access has been removed from the Event : {{ event_title }}.
+{% endif %}
+You can view further information about the event using the following link:
+{{ url_prefix }}{{ event_url }}
+
+Regards
+The {{ SITE_NAME }} Team
+{% endfilter %}{% endautoescape %}

physionet-django/events/templates/events/email/event_host_cohost_status_change.html

@@ -0,0 +1,14 @@
+{% load i18n %}{% autoescape off %}{% filter wordwrap:70 %}
+Dear {{ host_name }},
+{% if status == 'Make cohost' %}
+You have provided {{ cohost_name }} Cohost access to the Event : {{ event_title }}.
+{% elif status == 'Remove cohost' %}
+You have removed {{ cohost_name }}'s Cohost access from the Event : {{ event_title }}.
+{% endif %}
+If this was done by mistake, you can change the cohost status by visiting the events dashboard.
+
+{{ url_prefix }}/events/
+
+Regards
+The {{ SITE_NAME }} Team
+{% endfilter %}{% endautoescape %}

physionet-django/events/views.py

@@ -266,17 +266,25 @@ def manage_co_hosts(request):
                 return JsonResponse({'error': 'User is not a cohost of this event'}, status=403)
             participant.is_cohost = False
             participant.save()
-
-            # placeholder for notification to cohost that they have been removed and to host that they removed a cohost
+            # notify the cohost that their cohost permission has been removed
+            notification.notify_event_cohost_cohost_status_change(request=request, cohost=participant.user,
+                                                                  event=event, status='Remove cohost')
+            # notify the host that they have removed a cohost
+            notification.notify_event_host_cohost_status_change(request=request, cohost=participant.user, event=event,
+                                                                status='Remove cohost')
 
             return JsonResponse({'success': 'Cohost removed successfully'})
         elif 'Make cohost' in request.POST.get('submit'):
             if participant.is_cohost:
                 return JsonResponse({'error': 'User is already a cohost of this event'}, status=403)
             participant.is_cohost = True
             participant.save()
-
-            # placeholder for notification to cohost that they have been added and to host that they added a cohost
+            # notify the cohost that they have been added as a cohost for the event
+            notification.notify_event_cohost_cohost_status_change(request=request, cohost=participant.user,
+                                                                  event=event, status='Make cohost')
+            # notify the host that they have added a cohost for the event
+            notification.notify_event_host_cohost_status_change(request=request, cohost=participant.user, event=event,
+                                                                status='Make cohost')
 
             return JsonResponse({'success': 'Cohost added successfully'})
 

physionet-django/notification/utility.py

@@ -1005,6 +1005,45 @@ def notify_participant_event_decision(request, user, event, decision, comment_to
     send_mail(subject, body, settings.DEFAULT_FROM_EMAIL, [user.email], fail_silently=False)
 
 
+def notify_event_cohost_cohost_status_change(request, cohost, event, status='Make cohost'):
+    """
+    Send email to co-host about their cohost status change for the event.
+    """
+    subject = f"{settings.SITE_NAME} Event Cohost Status Change"
+    context = {
+        'name': cohost.get_full_name(),
+        'domain': get_current_site(request),
+        'url_prefix': get_url_prefix(request),
+        'event_title': event.title,
+        'event_url': reverse('event_detail', args=[event.slug]),
+        'status': status,
+        'SITE_NAME': settings.SITE_NAME,
+    }
+    body = loader.render_to_string('events/email/event_cohost_cohost_status_change.html', context)
+    # Not resend the email if there was an integrity error
+    send_mail(subject, body, settings.DEFAULT_FROM_EMAIL, [cohost.email], fail_silently=False)
+
+
+def notify_event_host_cohost_status_change(request, cohost, event, status='Make cohost'):
+    """
+    Send email to host about cohost status change for the event.
+    """
+    subject = f"{settings.SITE_NAME} Event Cohost Status Change"
+    context = {
+        'host_name': event.host.get_full_name(),
+        'cohost_name': cohost.get_full_name(),
+        'domain': get_current_site(request),
+        'url_prefix': get_url_prefix(request),
+        'event_title': event.title,
+        'event_url': reverse('event_detail', args=[event.slug]),
+        'status': status,
+        'SITE_NAME': settings.SITE_NAME,
+    }
+    body = loader.render_to_string('events/email/event_host_cohost_status_change.html', context)
+    # Not resend the email if there was an integrity error
+    send_mail(subject, body, settings.DEFAULT_FROM_EMAIL, [cohost.email], fail_silently=False)
+
+
 def notify_event_participant_application(request, user, registered_user, event):
     """
     Send email to host and co-host about new registration request on event.