Merge branch 'skia/weekmail_fix' into 'master'

com: fix weekmail for the case of non-existing email addresses

See merge request ae/Sith!282

com/templates/com/weekmail_preview.jinja

@@ -7,15 +7,33 @@
 
 {% block content %}
 <a href="{{ url('com:weekmail') }}">{% trans %}Back{% endtrans %}</a>
-{% if request.GET['send'] %}
-<p>{% trans %}Are you sure you want to send this weekmail?{% endtrans %}</p>
-{% if request.LANGUAGE_CODE != settings.LANGUAGE_CODE[:2] %}
-<p><strong>{% trans %}Warning: you are sending the weekmail in another language than the default one!{% endtrans %}</strong></p>
-{% endif %}
-<form method="post" action="">
+{% if bad_recipients %}
+    <p>
+    <span class="important">
+        {% trans %}The following recipients were refused by the SMTP:{% endtrans %}
+    </span>
+    <ul>
+    {% for r in bad_recipients.keys() %}
+        <li>{{ r }}</li>
+    {% endfor %}
+    </ul>
+    </p>
+
+    <form method="post" action="">
+        {% csrf_token %}
+        <button type="submit" name="send" value="clean">{% trans %}Clean subscribers{% endtrans %}</button>
+    </form>
+{% else %}
+    {% if request.GET['send'] %}
+        <p>{% trans %}Are you sure you want to send this weekmail?{% endtrans %}</p>
+        {% if request.LANGUAGE_CODE != settings.LANGUAGE_CODE[:2] %}
+            <p><strong>{% trans %}Warning: you are sending the weekmail in another language than the default one!{% endtrans %}</strong></p>
+        {% endif %}
+        <form method="post" action="">
             {% csrf_token %}
             <button type="submit" name="send" value="validate">{% trans %}Send{% endtrans %}</button>
-</form>
+        </form>
+    {% endif %}
 {% endif %}
 <hr>
 {{ weekmail_rendered|safe }}

com/views.py

@@ -39,6 +39,7 @@ from django.core.exceptions import PermissionDenied
 from django import forms
 
 from datetime import timedelta
+from smtplib import SMTPRecipientsRefused
 
 from com.models import Sith, News, NewsDate, Weekmail, WeekmailArticle, Screen, Poster
 from core.views import (
@@ -414,22 +415,35 @@ class NewsDetailView(CanViewMixin, DetailView):
 # Weekmail
 
 
-class WeekmailPreviewView(ComTabsMixin, CanEditPropMixin, DetailView):
+class WeekmailPreviewView(ComTabsMixin, QuickNotifMixin, CanEditPropMixin, DetailView):
     model = Weekmail
     template_name = "com/weekmail_preview.jinja"
     success_url = reverse_lazy("com:weekmail")
     current_tab = "weekmail"
 
+    def dispatch(self, request, *args, **kwargs):
+        self.bad_recipients = []
+        return super(WeekmailPreviewView, self).dispatch(request, *args, **kwargs)
+
     def post(self, request, *args, **kwargs):
         self.object = self.get_object()
-        try:
         if request.POST["send"] == "validate":
+            try:
                 self.object.send()
                 return HttpResponseRedirect(
                     reverse("com:weekmail") + "?qn_weekmail_send_success"
                 )
-        except:
-            pass
+            except SMTPRecipientsRefused as e:
+                self.bad_recipients = e.recipients
+        elif request.POST["send"] == "clean":
+            try:
+                self.object.send()  # This should fail
+            except SMTPRecipientsRefused as e:
+                users = User.objects.filter(email__in=e.recipients.keys())
+                for u in users:
+                    u.preferences.receive_weekmail = False
+                    u.preferences.save()
+                self.quick_notif_list += ["qn_success"]
         return super(WeekmailPreviewView, self).get(request, *args, **kwargs)
 
     def get_object(self, queryset=None):
@@ -439,6 +453,7 @@ class WeekmailPreviewView(ComTabsMixin, CanEditPropMixin, DetailView):
         """Add rendered weekmail"""
         kwargs = super(WeekmailPreviewView, self).get_context_data(**kwargs)
         kwargs["weekmail_rendered"] = self.object.render_html()
+        kwargs["bad_recipients"] = self.bad_recipients
         return kwargs