members/waitinglist: allow editing of invite text

jdav_web/jdav_web/settings/components/texts.py

@@ -26,7 +26,7 @@ GROUP_TIME_AVAILABLE_TEXT = """Die Gruppenstunde findet jeden {weekday} von {sta
 
 GROUP_TIME_UNAVAILABLE_TEXT = """Bitte erfrage die Gruppenzeiten bei der Gruppenleitung ({contact_email})."""
 
-INVITE_TEXT = """Hallo {name},
+INVITE_TEXT = """Hallo {{name}},
 
 wir haben gute Neuigkeiten für dich. Es ist ein Platz in der Jugendgruppe {group_name} {group_link}freigeworden.
 {group_time}
@@ -38,7 +38,7 @@ Informationen und deine Anmeldebestätigung von dir. Die lädst du herunter
 (siehe %(REGISTRATION_FORM_DOWNLOAD_LINK)s ), lässt sie von deinen Eltern ausfüllen, unterschreiben
 und lädst ein Foto davon in unserem Anmeldeformular hoch. Das kannst du alles über folgenden Link erledigen:
 
-{link}
+{{link}}
 
 Du siehst dort auch die Daten, die du bei deiner Eintragung auf die Warteliste angegeben hast. Bitte
 überprüfe, ob die Daten noch stimmen und ändere sie bei Bedarf ab.
@@ -46,7 +46,7 @@ Du siehst dort auch die Daten, die du bei deiner Eintragung auf die Warteliste a
 Falls du zu dem obigen Termin keine Zeit hast oder dich ganz von der Warteliste abmelden möchtest,
 lehne bitte diese Einladung unter folgendem Link ab:
 
-{invitation_reject_link}
+{{invitation_reject_link}}
 
 Bei Fragen, wende dich gerne an %(RESPONSIBLE_MAIL)s.
 

jdav_web/members/admin.py

@@ -561,6 +561,12 @@ class WaiterInviteForm(forms.Form):
                                    label=_('Group'))
 
 
+class WaiterInviteTextForm(forms.Form):
+    _selected_action = forms.CharField(widget=forms.MultipleHiddenInput)
+    text_template = forms.CharField(label=_('Invitation text'),
+            widget=forms.Textarea(attrs={'rows': 30, 'cols': 100}))
+
+
 class InvitationToGroupAdmin(admin.TabularInline):
     model = InvitationToGroup
     fields = ['group', 'date', 'status']
@@ -594,7 +600,7 @@ class MemberWaitingListAdmin(CommonAdminMixin, admin.ModelAdmin):
                     'confirmed_mail', 'waiting_confirmed', 'sent_reminders')
     search_fields = ('prename', 'lastname', 'email')
     list_filter = ['confirmed_mail', 'gender', InvitedToGroupFilter]
-    actions = ['ask_for_registration', 'ask_for_wait_confirmation']
+    actions = ['ask_for_registration_action', 'ask_for_wait_confirmation']
     inlines = [InvitationToGroupAdmin]
     readonly_fields= ['application_date', 'sent_reminders']
 
@@ -609,38 +615,6 @@ class MemberWaitingListAdmin(CommonAdminMixin, admin.ModelAdmin):
                     _("Successfully asked %(name)s to confirm their waiting status.") % {'name': waiter.name})
     ask_for_wait_confirmation.short_description = _('Ask selected waiters to confirm their waiting status')
 
-    def ask_for_registration(self, request, queryset):
-        """Asks the waiting person to register with all required data."""
-        if "apply" in request.POST:
-            try:
-                group = Group.objects.get(pk=request.POST['group'])
-            except Group.DoesNotExist:
-                messages.error(request,
-                               _("An error occurred while trying to invite said members. Please try again."))
-                return HttpResponseRedirect(request.get_full_path())
-            if not group.contact_email:
-                messages.error(request,
-                               _('The selected group does not have a contact email. Please first set a contact email and then try again.'))
-                return HttpResponseRedirect(request.get_full_path())
-
-            for waiter in queryset:
-                waiter.invited_for_group = group
-                waiter.save()
-                waiter.invite_to_group(group)
-                messages.success(request,
-                        _("Successfully invited %(name)s to %(group)s.") % {'name': waiter.name, 'group': waiter.invited_for_group.name})
-
-            return HttpResponseRedirect(request.get_full_path())
-        context = dict(self.admin_site.each_context(request),
-                       title=_('Select group for invitation'),
-                       opts=self.opts,
-                       waiters=queryset.all(),
-                       form=WaiterInviteForm(initial={'_selected_action': queryset.values_list('id', flat=True)}))
-        return render(request,
-                      'admin/invite_selected_for_group.html',
-                      context=context)
-    ask_for_registration.short_description = _('Offer waiter a place in a group.')
-
     def response_change(self, request, waiter):
         ret = super(MemberWaitingListAdmin, self).response_change(request, waiter)
         if "_invite" in request.POST:
@@ -672,8 +646,19 @@ class MemberWaitingListAdmin(CommonAdminMixin, admin.ModelAdmin):
         queryset = super().get_queryset(request)
         return queryset.prefetch_related('invitationtogroup_set')
 
+    def ask_for_registration_action(self, request, queryset):
+        return self.invite_view(request, queryset)
+    ask_for_registration_action.short_description = _('Offer waiter a place in a group.')
+
     def invite_view(self, request, object_id):
-        waiter = MemberWaitingList.objects.get(pk=object_id)
+        if type(object_id) == str:
+            waiter = MemberWaitingList.objects.get(pk=object_id)
+            queryset = [waiter]
+            id_list = [waiter.pk]
+        else:
+            waiter = None
+            queryset = object_id
+            id_list = queryset.values_list('id', flat=True)
 
         if "apply" in request.POST:
             try:
@@ -687,22 +672,49 @@ class MemberWaitingListAdmin(CommonAdminMixin, admin.ModelAdmin):
                 messages.error(request,
                                _('The selected group does not have a contact email. Please first set a contact email and then try again.'))
                 return HttpResponseRedirect(request.get_full_path())
+            context = dict(self.admin_site.each_context(request),
+                           title=_('Select group for invitation'),
+                           opts=self.opts,
+                           group=group,
+                           queryset=queryset,
+                           form=WaiterInviteTextForm(initial={
+                               '_selected_action': id_list,
+                               'text_template': group.get_invitation_text_template()
+                            }))
+            if waiter:
+               context = dict(context, object=waiter, waiter=waiter)
+            return render(request,
+                          'admin/invite_for_group_text.html',
+                          context=context)
+
+        if "send" in request.POST:
+            try:
+                group = Group.objects.get(pk=request.POST['group'])
+                text_template = request.POST['text_template']
+            except (Group.DoesNotExist, KeyError):
+                messages.error(request,
+                               _("An error occurred while trying to invite said members. Please try again."))
+                return HttpResponseRedirect(request.get_full_path())
+            for w in queryset:
+                w.invite_to_group(group, text_template=text_template)
+                messages.success(request,
+                        _("Successfully invited %(name)s to %(group)s.") % {'name': w.name, 'group': w.invited_for_group.name})
 
-            waiter.invited_for_group = group
-            waiter.save()
-            waiter.invite_to_group(group)
-            messages.success(request,
-                    _("Successfully invited %(name)s to %(group)s.") % {'name': waiter.name, 'group': waiter.invited_for_group.name})
-
-            return HttpResponseRedirect(reverse('admin:%s_%s_change' % (waiter._meta.app_label, waiter._meta.model_name),
-                                                args=(object_id,)))
+            if waiter:
+                return HttpResponseRedirect(reverse('admin:%s_%s_change' % (self.opts.app_label, self.opts.model_name),
+                                                    args=(object_id,)))
+            else:
+                return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
 
         context = dict(self.admin_site.each_context(request),
                        title=_('Select group for invitation'),
                        opts=self.opts,
-                       object=waiter,
-                       waiter=waiter,
-                       form=WaiterInviteForm(initial={'_selected_action': [waiter.pk]}))
+                       queryset=queryset,
+                       form=WaiterInviteForm(initial={
+                           '_selected_action': id_list
+                        }))
+        if waiter:
+           context = dict(context, object=waiter, waiter=waiter)
         return render(request,
                       'admin/invite_for_group.html',
                       context=context)

jdav_web/members/models.py

@@ -97,6 +97,24 @@ class Group(models.Model):
         # return if the group has all relevant time slot information filled
         return self.weekday and self.start_time and self.end_time
 
+    def get_invitation_text_template(self):
+        """The text template used to invite waiters to this group. This contains
+        placeholders for the name of the waiter and personalized links."""
+        if self.show_website:
+            group_link = '({url}) '.format(url=prepend_base_url(reverse('startpage:gruppe_detail', args=[self.name])))
+        else:
+            group_link = ''
+        if self.has_time_info():
+            group_time = settings.GROUP_TIME_AVAILABLE_TEXT.format(weekday=WEEKDAYS[self.weekday][1],
+                                                                   start_time=self.start_time.strftime('%H:%M'),
+                                                                   end_time=self.end_time.strftime('%H:%M'))
+        else:
+            group_time = settings.GROUP_TIME_UNAVAILABLE_TEXT.format(contact_email=self.contact_email)
+        return settings.INVITE_TEXT.format(group_time=group_time,
+                                           group_name=self.name,
+                                           group_link=group_link,
+                                           contact_email=self.contact_email)
+
 
 class MemberManager(models.Manager):
     def get_queryset(self):
@@ -945,27 +963,21 @@ class MemberWaitingList(Person):
         except InvitationToGroup.DoesNotExist:
             return False
 
-    def invite_to_group(self, group):
-        if group.show_website:
-            group_link = '({url}) '.format(url=prepend_base_url(reverse('startpage:gruppe_detail', args=[group.name])))
-        else:
-            group_link = ''
-        if group.has_time_info():
-            group_time = settings.GROUP_TIME_AVAILABLE_TEXT.format(weekday=WEEKDAYS[group.weekday][1],
-                                                          start_time=group.start_time.strftime('%H:%M'),
-                                                          end_time=group.end_time.strftime('%H:%M'))
-        else:
-            group_time = settings.GROUP_TIME_UNAVAILABLE_TEXT.format(contact_email=group.contact_email)
+    def invite_to_group(self, group, text_template=None):
+        """
+        Invite waiter to given group. Stores a new group invitation
+        and sends a personalized e-mail based on the passed template.
+        """
+        self.invited_for_group = group
+        self.save()
+        if not text_template:
+            text_template = group.get_invitation_text_template()
         invitation = InvitationToGroup(group=group, waiter=self)
         invitation.save()
         self.send_mail(_("Invitation to trial group meeting"),
-            settings.INVITE_TEXT.format(name=self.prename,
-                group_time=group_time,
-                group_name=group.name,
-                group_link=group_link,
-                contact_email=group.contact_email,
-                link=get_registration_link(invitation.key),
-                invitation_reject_link=get_invitation_reject_link(invitation.key)),
+            text_template.format(name=self.prename,
+                                 link=get_registration_link(invitation.key),
+                                 invitation_reject_link=get_invitation_reject_link(invitation.key)),
             cc=group.contact_email.email)
 
     def unregister(self):

jdav_web/members/templates/admin/invite_for_group.html

@@ -17,7 +17,9 @@
 <a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
 &rsaquo; <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ opts.app_config.verbose_name }}</a>
 &rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}">{{ opts.verbose_name_plural|capfirst }}</a>
+{% if object %}
 &rsaquo; <a href="{% url opts|admin_urlname:'change' object.pk|admin_urlquote %}">{{ object|truncatewords:"18" }}</a>
+{% endif %}
 &rsaquo; {% translate 'Invite to group' %}
 </div>
 {% endblock %}
@@ -25,18 +27,28 @@
 {% block content %}
 <h2>{% translate "Invite to a group" %}</h2>
 <p>
+{% if waiter %}
 {% trans "You are inviting:" %}
+{% else %}
+{% trans "You are inviting the following waiters for registration:" %}
+{% endif %}
 </p>
 <p>
 <ul>
+    {% for waiter in queryset %}
     <li>
     <a href="{% url 'admin:members_memberwaitinglist_change' waiter.id %}">{{ waiter }}</a>
     </li>
+    {% endfor %}
 </ul>
 </p>
 
 <p>
+{% if waiter %}
 {% blocktrans %}Please choose the group that you want to invite {{ waiter }} to.{% endblocktrans %}
+{% else %}
+{% blocktrans %}To which group do you want to invite these waiters?{% endblocktrans %}
+{% endif %}
 </p>
 
 <form action="" method="post">
@@ -47,7 +59,7 @@
     <br>
     <div>
     <p>
-    <input type="hidden" name="action" value="ask_for_registration">
+    <input type="hidden" name="action" value="ask_for_registration_action">
     <input class="default" style="color: $default-link-color" type="submit" name="apply" value="{% translate 'Invite' %}">
     <a href="#" class="button cancel-link">{% translate "Cancel" %}</a>
     </p>

jdav_web/members/templates/admin/invite_for_group_text.html

@@ -0,0 +1,68 @@
+{% extends "admin/base_site.html" %}
+{% load i18n admin_urls static %}
+
+{% block extrahead %}
+    {{ block.super }}
+    {{ media }}
+    <script src="{% static 'admin/js/cancel.js' %}" async></script>
+    <script type="text/javascript" src="{% static "admin/js/vendor/jquery/jquery.js" %}"></script>
+    <script type="text/javascript" src="{% static "admin/js/jquery.init.js" %}"></script>
+{% endblock %}
+
+{% block bodyclass %}{{ block.super }} app-{{ opts.app_label }} model-{{ opts.model_name }} invite-waiter
+{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% translate 'Home' %}</a>
+&rsaquo; <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ opts.app_config.verbose_name }}</a>
+&rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}">{{ opts.verbose_name_plural|capfirst }}</a>
+{% if object %}
+&rsaquo; <a href="{% url opts|admin_urlname:'change' object.pk|admin_urlquote %}">{{ object|truncatewords:"18" }}</a>
+{% endif %}
+&rsaquo; {% translate 'Invite to group' %}
+</div>
+{% endblock %}
+
+{% block content %}
+<h2>{% translate "Invite to a group" %}</h2>
+<p>
+{% if waiter %}
+{% blocktrans %}You are inviting the following waiter for registration in group {{ group }}.{% endblocktrans %}
+{% else %}
+{% blocktrans %}You are inviting the following waiters for registration in group {{ group }}.{% endblocktrans %}
+{% endif %}
+</p>
+<p>
+<ul>
+    {% for waiter in queryset %}
+    <li>
+    <a href="{% url 'admin:members_memberwaitinglist_change' waiter.id %}">{{ waiter }}</a>
+    </li>
+    {% endfor %}
+</ul>
+</p>
+
+<p>
+{% blocktrans %}The following text will be sent as an invitation email. The patterns
+{name}, {link} and {invitation_reject_link} will be automatically replaced by personalized
+data upon sending. Please adapt if needed and confirm.{% endblocktrans %}
+</p>
+
+<form action="" method="post">
+    {% csrf_token %}
+    <p>
+    {{form}}
+    </p>
+    <br>
+    <div>
+    <p>
+    <input type="hidden" name="group" value="{{ group.pk }}">
+    <input type="hidden" name="action" value="ask_for_registration_action">
+    <input class="default" style="color: $default-link-color" type="submit" name="send" value="{% translate 'Send' %}">
+    <a href="#" class="button cancel-link">{% translate "Back" %}</a>
+    </p>
+    </div>
+</form>
+
+{% endblock %}