Add attendee email field (#466)

* Add attendee email field

* exports, tests

src/pretix/control/forms/event.py

@@ -240,6 +240,21 @@ class EventSettingsForm(SettingsForm):
         help_text=_("Require customers to fill in the names of all attendees."),
         required=False
     )
+    attendee_emails_asked = forms.BooleanField(
+        label=_("Ask for attendee e-mails"),
+        help_text=_("Ask for an e-mail address for all tickets which include admission to the event. Important: For "
+                    "every order, an e-mail address needs to be provided, regardless of this setting. The order "
+                    "confirmation which can be used to change the order will always only be sent to the e-mail "
+                    "address provided for the order. Only check this box if you want to ask for additional e-mail "
+                    "addresses for each attendee, e.g. in case of group orders."),
+        required=False
+    )
+    attendee_emails_required = forms.BooleanField(
+        label=_("Require attendee e-mails"),
+        help_text=_("Require customers to fill in the e-mail addresses of all attendees. See the above option for "
+                    "more details."),
+        required=False
+    )
     max_items_per_order = forms.IntegerField(
         min_value=1,
         label=_("Maximum number of items per order")
@@ -274,6 +289,11 @@ class EventSettingsForm(SettingsForm):
             raise ValidationError({
                 'attendee_names_required': _('You cannot require specifying attendee names if you do not ask for them.')
             })
+        if data['attendee_emails_required'] and not data['attendee_emails_asked']:
+            raise ValidationError({
+                'attendee_emails_required': _('You cannot require specifying attendee emails if you do not ask for '
+                                              'them.')
+            })
         return data
 
 

src/pretix/control/templates/pretixcontrol/event/settings.html

@@ -41,6 +41,8 @@
             {% bootstrap_field sform.max_items_per_order layout="horizontal" %}
             {% bootstrap_field sform.attendee_names_asked layout="horizontal" %}
             {% bootstrap_field sform.attendee_names_required layout="horizontal" %}
+            {% bootstrap_field sform.attendee_emails_asked layout="horizontal" %}
+            {% bootstrap_field sform.attendee_emails_required layout="horizontal" %}
             {% bootstrap_field sform.cancel_allow_user layout="horizontal" %}
         </fieldset>
         <fieldset>

src/pretix/control/templates/pretixcontrol/order/index.html

@@ -187,6 +187,11 @@
                                             <dd>{% if line.attendee_name %}{{ line.attendee_name }}{% else %}
                                                 <em>{% trans "not answered" %}</em>{% endif %}</dd>
                                         {% endif %}
+                                        {% if line.item.admission and event.settings.attendee_emails_asked %}
+                                            <dt>{% trans "Attendee email" %}</dt>
+                                            <dd>{% if line.attendee_email %}{{ line.attendee_email }}{% else %}
+                                                <em>{% trans "not answered" %}</em>{% endif %}</dd>
+                                        {% endif %}
                                         {% for q in line.questions %}
                                             <dt>{{ q.question }}</dt>
                                             <dd>{% if q.answer %}{{ q.answer|linebreaksbr }}{% else %}

src/pretix/control/views/orders.py

@@ -54,6 +54,7 @@ class OrderList(EventPermissionRequiredMixin, ListView):
             u = self.request.GET.get("user", "")
             qs = qs.filter(
                 Q(email__icontains=u) | Q(positions__attendee_name__icontains=u)
+                | Q(positions__attendee_email__icontains=u)
             )
         if self.request.GET.get("status", "") != "":
             s = self.request.GET.get("status", "")
@@ -172,6 +173,7 @@ class OrderDetail(OrderView):
         for p in cartpos:
             p.has_questions = (
                 (p.item.admission and self.request.event.settings.attendee_names_asked) or
+                (p.item.admission and self.request.event.settings.attendee_emails_asked) or
                 p.item.questions.all()
             )
             p.cache_answers()