Add view and everything related for additional registration field submission.

Closes #15, #26.

ticdesk_events/templates/ticdesk_events/register_event_additional.html

+{% extends "ticdesk/base_with_info_sidebar.html" %}
+{% load bootstrap3 i18n %}
+
+{% block page_title %}{% blocktrans %}Zusätzliche Angaben zur Veranstaltungsanmeldung{% endblocktrans %}{% endblock %}
+
+{% block content_info_children %}
+ {% blocktrans %}
+  Bitte lies dir mit deinen Eltern gemeinsam alles genau durch und schicke
+  deine Anmeldung dann mit ihnen gemeinsam ab!
+ {% endblocktrans %}
+{% endblock %}
+
+{% block content_info_parents %}
+ {% blocktrans %}
+  Bitte gehen Sie die Anmeldung mit Ihrem Kind gemeinsam durch. Uns ist es
+  wichtig, schon mit der Anmeldung wichtige Kompetenzen im Umgang mit dem
+  Internet und Verantwortung im Allgemeinen zu trainieren.
+ {% endblocktrans %}
+{% endblock %}
+
+{% block main_content %}
+ <h2>
+  {% blocktrans %}Zusätzliche Angaben zu{% endblocktrans %} {{ event.display_name }}
+ </h2>
+
+ {% if error %}
+  <div class="panel panel-danger">
+   <div class="panel-heading">
+    {% blocktrans %}Fehler{% endblocktrans %}
+   </div>
+   <div class="panel-body">
+    <p>
+     {{ error }}
+    </p>
+   </div>
+  </div>
+ {% elif success %}
+  <div class="panel panel-success">
+   <div class="panel-heading">
+    {% blocktrans %}Anmeldung erfolgreich{% endblocktrans %}
+   </div>
+   <div class="panel-body">
+    <p>
+     {% blocktrans %}
+      Du hast deien Angaben erfolgreich eingesendet.
+     {% endblocktrans %}
+    </p>
+   </div>
+  </div>
+ {% else %}
+  <form method="post">
+   {% csrf_token %}
+   {% bootstrap_form register_form %}
+   <input type="submit" value="{% blocktrans %}Absenden{% endblocktrans %}" />
+  </form>
+ {% endif %}
+{% endblock %}

ticdesk_events/urls.py

@@ -5,5 +5,6 @@ from . import views
 urlpatterns = [
     url(r'^upcoming$', views.upcoming_events, name='upcoming_events'),
     url(r'^register/(?P<cn>[a-z][a-z0-9-]+)$', views.register_event, name='register_event_by_cn'),
+    url(r'^register/(?P<cn>[a-z][a-z0-9-]+)/additional$', views.register_event_additional, name='register_event_additional_by_cn'),
     url(r'^feedback/(?P<cn>[a-z][a-z0-9-]+)$', views.feedback_event, name='feedback_event_by_cn'),
 ]

ticdesk_events/views.py

@@ -188,6 +188,66 @@ def register_event(request, cn):
 
     return render(request, 'ticdesk_events/register_event.html', context)
 
+def register_event_additional(request, cn):
+    context = {}
+    
+    # Only authenticated users can add registration data for events
+    if not request.user.is_authenticated:
+        return redirect(reverse('ticdesk_account:login') + '?next=%s' % request.path)
+
+    # Get current person and event
+    current_person = TeckidsPerson.objects.get(uid=request.user.username)
+    event = TeckidsProject.objects.get(cn=cn)
+    context['event'] = event
+
+    register_form = EventAdditionalSurveyForm(event)
+
+    # Check whether person is already a member of the event
+    if current_person.dn not in event.members:
+        context['error'] = _('Du bist nicht zu dieser Veranstaltung angemeldet.')
+        return render(request, 'ticdesk_events/register_event_additional.html', context)
+
+    if request.method == 'POST':
+        register_form = EventAdditionalSurveyForm(event, request.POST)
+        if register_form.is_valid():
+            # Store additional registration fields
+            for field in event.registration_fields:
+                label, help_text, *choices = field.split('|')
+                var = re.sub(r'\W|^(?=\d)', '_', label)
+
+                try:
+                    field = RegistrationField.objects.get(project_cn = event.cn, person_uid=current_person.uid, title=label)
+                except RegistrationField.DoesNotExist:
+                    field = RegistrationFeild.objects.create(project_cn = event.cn, person_uid=current_person.uid, title=label)
+
+                field.content = register_form.cleaned_data[var]
+                field.save()
+
+            # Produce e-mail to registration queue
+            message = EmailMessage()
+            message.reply_to = (current_person.mail, register_form.cleaned_data['guardian_mail'])
+            message.to = ['anmeldung@teckids.org',]
+            message.subject = _('Zusätzliche Angaben: %s von %s') % (event.display_name, current_person.cn)
+            message.extra_headers = {
+                'X-OTRS-DynamicField-TeckidsEvent': event.display_name,
+                'X-OTRS-CustomerUser': current_person.uid
+            }
+            message.body = ''
+            message.body += form_to_text_table(register_form, 78)
+
+            # Attach raw form data as attachment
+            message.attach('register_form.json', json.dumps(register_form.cleaned_data, indent=4, default=str), 'application/json')
+
+            # Send message
+            message.send()
+
+            # Set success
+            context['success'] = True
+
+    context['register_form'] = register_form
+
+    return render(request, 'ticdesk_events/register_event_additional.html', context)
+
 def feedback_event(request, cn):
     context = {}