stash

core/authentication/admin.py

@@ -10,5 +10,8 @@ class ExtendedUserAdmin(UserAdmin):
     ordering = ('username',)
     filter_horizontal = ('groups', 'user_permissions', 'permissions')
 
+#    def permissions(self, obj):
+#        return ', '.join(obj.get_all_permissions())
+
 
 admin.site.register(ExtendedUser, ExtendedUserAdmin)

core/core/settings.py

@@ -32,7 +32,9 @@ SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'django-insecure-tm*$w_14iqbiy-!7(8#
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = truthy_str(os.getenv('DEBUG_MODE_ACTIVE', 'False'))
 
-ALLOWED_HOSTS = [os.getenv('HTTP_HOST', 'localhost')]
+PRIMARY_HOST = os.getenv('HTTP_HOST', 'localhost')
+
+ALLOWED_HOSTS = [PRIMARY_HOST]
 
 MAIL_DOMAIN = os.getenv('MAIL_DOMAIN', 'localhost')
 
@@ -45,6 +47,10 @@ SYSTEM3_VERSION = "0.0.0-dev.0"
 
 ACTIVE_SPAM_TRAINING = truthy_str(os.getenv('ACTIVE_SPAM_TRAINING', 'False'))
 
+TELEGRAM_BOT_TOKEN = os.getenv('TELEGRAM_BOT_TOKEN', '1234567890:ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghi')
+
+TELEGRAM_GROUP_CHAT_ID = os.getenv('TELEGRAM_GROUP_CHAT_ID', '-1234567890')
+
 # Application definition
 
 INSTALLED_APPS = [
@@ -61,6 +67,7 @@ INSTALLED_APPS = [
     'drf_yasg',
     'channels',
     'authentication',
+    'notifications',
     'files',
     'tickets',
     'inventory',

core/core/urls.py

@@ -31,6 +31,7 @@ urlpatterns = [
     path('api/2/', include('mail.api_v2')),
     path('api/2/', include('notify_sessions.api_v2')),
     path('api/2/', include('authentication.api_v2')),
+    path('api/2/', include('notifications.api_v2')),
     path('api/', get_info),
     path('', include('django_prometheus.urls')),
 ]

core/mail/models.py

@@ -4,6 +4,8 @@ from django.db import models
 from django_softdelete.models import SoftDeleteModel
 
 from core.settings import MAIL_DOMAIN, ACTIVE_SPAM_TRAINING
+from authentication.models import ExtendedUser
+from core.settings import MAIL_DOMAIN
 from files.models import AbstractFile
 from inventory.models import Event
 from tickets.models import IssueThread

core/mail/protocol.py

@@ -7,6 +7,7 @@ from channels.db import database_sync_to_async
 from django.core.files.base import ContentFile
 
 from mail.models import Email, EventAddress, EmailAttachment
+from notifications.templates import render_auto_reply
 from notify_sessions.models import SystemEvent
 from tickets.models import IssueThread
 
@@ -87,6 +88,22 @@ def make_reply(reply_email, references=None, event=None):
     return reply
 
 
+def make_notification(message, to, title):  # TODO where should replies to this go
+    from email.message import EmailMessage
+    from core.settings import MAIL_DOMAIN
+    notification = EmailMessage()
+    notification["From"] = "notifications@%s" % MAIL_DOMAIN
+    notification["To"] = to
+    notification["Subject"] = f"[C3LF Notification]%s" % title
+    # notification["Reply-To"] = f"{event}@{MAIL_DOMAIN}"
+    # notification["In-Reply-To"] = email.reference
+    # notification["Message-ID"] = email.id + "@" + MAIL_DOMAIN
+
+    notification.set_content(message)
+
+    return notification
+
+
 async def send_smtp(message):
     await aiosmtplib.send(message, hostname="127.0.0.1", port=25, use_tls=False, start_tls=False)
 
@@ -185,6 +202,16 @@ def receive_email(envelope, log=None):
     header_in_reply_to = parsed.get('In-Reply-To')
     header_message_id = parsed.get('Message-ID')
 
+    #    if header_from != envelope.mail_from:
+    #        log.warning("Header from does not match envelope from")
+    #        log.info(f"Header from: {header_from}, envelope from: {envelope.mail_from}")
+    #
+    #    if header_to != envelope.rcpt_tos[0]:
+    #        log.warning("Header to does not match envelope to")
+    #        log.info(f"Header to: {header_to}, envelope to: {envelope.rcpt_tos[0]}")
+
+    # handle undelivered mail header_from : 'Mail Delivery System <MAILER-DAEMON@...'
+
     if match(r'^([a-zA-Z ]*<)?MAILER-DAEMON@', header_from) and envelope.mail_from.strip("<>") == "":
         log.warning("Ignoring mailer daemon")
         raise SpecialMailException("Ignoring mailer daemon")
@@ -218,16 +245,7 @@ def receive_email(envelope, log=None):
         references = collect_references(active_issue_thread)
         if not sender.startswith('noreply'):
             subject = f"Re: {subject} [#{active_issue_thread.short_uuid()}]"
-            body = '''Your request (#{}) has been received and will be reviewed by our lost&found angels.
-
-We are reviewing incoming requests during the event and teardown. Immediately after the event, expect a delay as the \
-workload is high. We will not forget about your request and get back in touch once we have updated information on your \
-request. Requests for devices, wallets, credit cards or similar items will be handled with priority.
-
-If you happen to find your lost item or just want to add additional information, please reply to this email. Please \
-do not create a new request.
-
-Your c3lf (Cloakroom + Lost&Found) Team'''.format(active_issue_thread.short_uuid())
+            body = render_auto_reply(active_issue_thread)
             reply_email = Email.objects.create(
                 sender=recipient, recipient=sender, body=body, subject=subject,
                 in_reply_to=header_message_id, event=target_event, issue_thread=active_issue_thread)
@@ -270,11 +288,19 @@ class LMTPHandler:
                 'general', {"type": "generic.event", "name": "send_message_to_frontend", "event_id": systemevent.id,
                             "message": "email received"})
             log.info(f"Sent message to frontend")
+
             if new and reply:
                 log.info('Sending message to %s' % reply['To'])
                 await send_smtp(reply)
                 log.info("Sent auto reply")
 
+            if thread:
+                await channel_layer.group_send(
+                    'general', {"type": "generic.event", "name": "user_notification", "event_id": systemevent.id,
+                                "ticket_id": thread.id, "new": new})
+            else:
+                print("No thread found")
+
             return '250 Message accepted for delivery'
         except SpecialMailException as e:
             import uuid

core/mail/tests/v2/test_user_notifications.py

@@ -0,0 +1,20 @@
+from django.contrib.auth.models import Permission
+from django.test import TestCase
+
+from authentication.models import ExtendedUser
+from notifications.models import UserNotificationChannel
+
+
+class UserNotificationTestCase(TestCase):
+
+    def setUp(self):
+        super().setUp()
+        self.user = ExtendedUser.objects.create_user('testuser', 'test', 'test')
+        self.user.user_permissions.add(*Permission.objects.all())
+        self.user.save()
+        self.channel = UserNotificationChannel.objects.create(user=self.user, channel_type='telegram',
+                                                              channel_target='123456789',
+                                                              event_filter='*', active=True)
+
+    async def test_telegram_notify(self):
+        pass

core/notifications/admin.py

@@ -0,0 +1,15 @@
+from django.contrib import admin
+
+from notifications.models import MessageTemplate, UserNotificationChannel
+
+
+class MessageTemplateAdmin(admin.ModelAdmin):
+    pass
+
+
+class UserNotificationChannelAdmin(admin.ModelAdmin):
+    pass
+
+
+admin.site.register(MessageTemplate, MessageTemplateAdmin)
+admin.site.register(UserNotificationChannel, UserNotificationChannelAdmin)

core/notifications/api_v2.py

@@ -0,0 +1,37 @@
+from django.contrib.auth.decorators import permission_required
+from rest_framework import routers, viewsets
+from django.urls import re_path
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+
+from notifications.models import MessageTemplate
+from rest_framework import serializers
+
+from notifications.templates import TEMPLATE_VARS
+
+
+class MessageTemplateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = MessageTemplate
+        fields = '__all__'
+
+
+class MessageTemplateViewSet(viewsets.ModelViewSet):
+    serializer_class = MessageTemplateSerializer
+    queryset = MessageTemplate.objects.all()
+
+
+@api_view(['GET'])
+@permission_classes([IsAuthenticated])
+@permission_required('tickets.add_issuethread_manual', raise_exception=True)  # TDOO: change this permission
+def get_template_vars(self):
+    return Response(TEMPLATE_VARS, status=200)
+
+
+router = routers.SimpleRouter()
+router.register(r'message_templates', MessageTemplateViewSet)
+
+urlpatterns = ([
+                   re_path('message_template_variables', get_template_vars),
+               ] + router.urls)

core/notifications/defaults.py

@@ -0,0 +1,16 @@
+auto_reply_body = '''Your request (#{{ ticket_uuid }}) has been received and will be reviewed by our lost&found angels.
+
+We are reviewing incoming requests during the event and teardown. Immediately after the event, expect a delay as the \
+workload is high. We will not forget about your request and get back in touch once we have updated information on your \
+request. Requests for devices, wallets, credit cards or similar items will be handled with priority.
+
+If you happen to find your lost item or just want to add additional information, please reply to this email. Please \
+do not create a new request.
+
+Your c3lf (Cloakroom + Lost&Found) Team'''
+
+new_issue_notification = '''New issue "{{ ticket_name | limit_length }}" [{{ ticket_uuid }}] created
+{{ ticket_url }}'''
+
+reply_issue_notification = '''Reply to issue "{{ ticket_name }}" [{{ ticket_uuid }}] (was {{ previous_state_pretty }})
+{{ ticket_url }}'''

core/notifications/dispatch.py

@@ -0,0 +1,85 @@
+import asyncio
+
+from aiohttp.client import ClientSession
+from channels.layers import get_channel_layer
+from channels.db import database_sync_to_async
+from urllib.parse import quote as urlencode
+
+from core.settings import TELEGRAM_BOT_TOKEN, TELEGRAM_GROUP_CHAT_ID
+from mail.protocol import send_smtp, make_notification
+from notifications.models import UserNotificationChannel
+from notifications.templates import render_notification_new_ticket_async, render_notification_reply_ticket_async
+from tickets.models import IssueThread
+
+
+async def http_get(url):
+    async with ClientSession() as session:
+        async with session.get(url) as response:
+            return await response.text()
+
+
+async def telegram_notify(message, chat_id):
+    encoded_message = urlencode(message)
+    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage?chat_id={chat_id}&text={encoded_message}"
+    return await http_get(url)
+
+
+async def email_notify(message, title, email):
+    mail = make_notification(message, email, title)
+    await send_smtp(mail)
+
+
+class NotificationDispatcher:
+    channel_layer = None
+    room_group_name = "general"
+
+    def __init__(self):
+        self.channel_layer = get_channel_layer('default')
+        if not self.channel_layer:
+            raise Exception("Could not get channel layer")
+
+    @database_sync_to_async
+    def get_notification_targets(self):
+        channels = UserNotificationChannel.objects.filter(active=True)
+        return list(channels)
+
+    @database_sync_to_async
+    def get_ticket(self, ticket_id):
+        return IssueThread.objects.filter(id=ticket_id).select_related('event').first()
+
+    async def run_forever(self):
+        # Infinite loop to continuously listen for messages
+        print("Listening for messages...")
+        channel_name = await self.channel_layer.new_channel()
+        await self.channel_layer.group_add(self.room_group_name, channel_name)
+        print("Channel name:", channel_name)
+        while True:
+            # Blocking receive to get the message from the channel layer
+            message = await self.channel_layer.receive(channel_name)
+
+            if (message and 'type' in message and message['type'] == 'generic.event' and 'name' in message and
+                    message['name'] == 'user_notification'):
+                if 'ticket_id' in message and 'event_id' in message and 'new' in message:
+                    ticket = await self.get_ticket(message['ticket_id'])
+                    await self.dispatch(ticket, message['event_id'], message['new'])
+                else:
+                    print("Error: Invalid message format")
+
+    async def dispatch(self, ticket, event_id, new):
+        message = await render_notification_new_ticket_async(
+            ticket) if new else await render_notification_reply_ticket_async(ticket)
+        title = f"[#{ticket.short_uuid()}] {ticket.name}"
+        print("Dispatching message:", message, "with event_id:", event_id)
+        targets = await self.get_notification_targets()
+        jobs = []
+        jobs.append(telegram_notify(message, TELEGRAM_GROUP_CHAT_ID))
+        for target in targets:
+            if target.channel_type == 'telegram':
+                print("Sending telegram notification to:", target.channel_target)
+                jobs.append(telegram_notify(message, target.channel_target))
+            elif target.channel_type == 'email':
+                print("Sending email notification to:", target.channel_target)
+                jobs.append(email_notify(message, title, target.channel_target))
+            else:
+                print("Unknown channel type:", target.channel_type)
+        await asyncio.gather(*jobs)

core/notifications/migrations/0001_initial.py

@@ -0,0 +1,51 @@
+# Generated by Django 4.2.7 on 2024-05-03 21:02
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+from notifications.defaults import auto_reply_body, new_issue_notification, reply_issue_notification
+from notifications.models import MessageTemplate
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    def create_required_templates(apps, schema_editor):
+        MessageTemplate.objects.create(name='auto_reply', message=auto_reply_body, marked_required=True)
+        MessageTemplate.objects.create(name='new_issue_notification', message=new_issue_notification,
+                                       marked_required=True)
+        MessageTemplate.objects.create(name='reply_issue_notification', message=reply_issue_notification,
+                                       marked_required=True)
+
+    operations = [
+        migrations.CreateModel(
+            name='MessageTemplate',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('message', models.TextField()),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('marked_confidential', models.BooleanField(default=False)),
+                ('marked_required', models.BooleanField(default=False)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='UserNotificationChannel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('channel_type',
+                 models.CharField(choices=[('telegram', 'telegram'), ('email', 'email')], max_length=255)),
+                ('channel_target', models.CharField(max_length=255)),
+                ('event_filter', models.CharField(max_length=255)),
+                ('active', models.BooleanField(default=True)),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.RunPython(create_required_templates),
+    ]

core/notifications/models.py

@@ -0,0 +1,29 @@
+from django.db import models
+
+from authentication.models import ExtendedUser
+
+
+class MessageTemplate(models.Model):
+    name = models.CharField(max_length=255)
+    message = models.TextField()
+    created = models.DateTimeField(auto_now_add=True)
+    marked_confidential = models.BooleanField(default=False)
+    marked_required = models.BooleanField(default=False)  # may not be deleted
+
+    def __str__(self):
+        return self.name
+
+
+class UserNotificationChannel(models.Model):
+    user = models.ForeignKey(ExtendedUser, models.CASCADE)
+    channel_type = models.CharField(choices=[('telegram', 'telegram'), ('email', 'email')], max_length=255)
+    channel_target = models.CharField(max_length=255)
+    event_filter = models.CharField(max_length=255)
+    active = models.BooleanField(default=True)
+    created = models.DateTimeField(auto_now_add=True)
+
+    def validate_constraints(self, exclude=None):  # TODO: email -> emailaddress, telegram -> chatid
+        return True
+
+    def __str__(self):
+        return self.user.username + '(' + self.channel_type + ')'

core/notifications/templates.py

@@ -0,0 +1,69 @@
+import jinja2
+from channels.db import database_sync_to_async
+from core.settings import PRIMARY_HOST
+
+from notifications.models import MessageTemplate
+
+TEMPLATE_VARS = ['ticket_name', 'ticket_uuid', 'ticket_id', 'ticket_url',
+                'current_state', 'previous_state', 'current_state_pretty', 'previous_state_pretty',
+                'event_slug', 'event_name',
+                'username', 'user_nick',
+                'web_host']  # TODO customer_name, tracking_code
+
+
+def limit_length(s, length=50):
+    if len(s) > length:
+        return s[:(length - 3)] + "..."
+    return s
+
+
+def ticket_url(ticket):
+    eventslug = ticket.event.slug if ticket.event else "37C3"  # TODO 37C3 should not be hardcoded
+    return f"https://{PRIMARY_HOST}/{eventslug}/ticket/{ticket.id}/"
+
+
+def render_template(template, **kwargs):
+    try:
+        environment = jinja2.Environment()
+        environment.filters['limit_length'] = limit_length
+        tmpl = MessageTemplate.objects.get(name=template)
+        template = environment.from_string(tmpl.message)
+        return template.render(**kwargs, web_host=PRIMARY_HOST)
+    except MessageTemplate.DoesNotExist:
+        return None
+
+
+def get_ticket_vars(ticket):
+    states = list(ticket.state_changes.order_by('-timestamp'))
+    return {
+        'ticket_name': ticket.name,
+        'ticket_uuid': ticket.short_uuid(),
+        'ticket_id': ticket.id,
+        'ticket_url': ticket_url(ticket),
+        'current_state': states[0].state if states else 'none',
+        'previous_state': states[1].state if len(states) > 1 else 'none',
+        'current_state_pretty': states[0].get_state_display() if states else 'none',
+        'previous_state_pretty': states[1].get_state_display() if len(states) > 1 else 'none',
+        'event_slug': ticket.event.slug if ticket.event else "37C3",  # TODO 37C3 should not be hardcoded
+        'event_name': ticket.event.name if ticket.event else "37C3",
+    }
+
+
+def render_auto_reply(ticket):
+    return render_template('auto_reply', **get_ticket_vars(ticket))
+
+
+def render_notification_new_ticket(ticket):
+    return render_template('new_issue_notification', **get_ticket_vars(ticket))
+
+
+def render_notification_reply_ticket(ticket):
+    return render_template('reply_issue_notification', **get_ticket_vars(ticket))
+
+
+async def render_notification_new_ticket_async(ticket):
+    return await database_sync_to_async(render_notification_new_ticket)(ticket)
+
+
+async def render_notification_reply_ticket_async(ticket):
+    return await database_sync_to_async(render_notification_reply_ticket)(ticket)

core/notify_sessions/decorators.py

@@ -0,0 +1,21 @@
+from asgiref.sync import async_to_sync
+from channels.layers import get_channel_layer
+
+
+def notify_sessions(event, data):
+    def wrapper(func):
+        def wrapped(*args, **kwargs):
+            ret = func(*args, **kwargs)
+            channel_layer = get_channel_layer()
+            async_to_sync(channel_layer.group_send)(
+                event,
+                {
+                    'type': 'notify',
+                    'data': data,
+                }
+            )
+            return ret
+
+        return wrapped
+
+    return wrapper

core/server.py

@@ -12,6 +12,7 @@ django.setup()
 from helper import init_loop
 from mail.protocol import LMTPHandler
 from mail.socket import UnixSocketLMTPController
+from notifications.dispatch import NotificationDispatcher
 
 
 class UvicornServer(uvicorn.Server):
@@ -54,6 +55,11 @@ async def lmtp(loop):
     log.info("LMTP done")
 
 
+async def notifications(loop):
+    dispatcher = NotificationDispatcher()
+    await dispatcher.run_forever()
+
+
 def main():
     import sdnotify
     import setproctitle
@@ -67,6 +73,7 @@ def main():
     loop.create_task(web(loop))
     #    loop.create_task(tcp(loop))
     loop.create_task(lmtp(loop))
+    loop.create_task(notifications(loop))
     n = sdnotify.SystemdNotifier()
     n.notify("READY=1")
     log.info("Server ready")

core/tickets/api_v2.py

@@ -23,6 +23,11 @@ class IssueViewSet(viewsets.ModelViewSet):
     queryset = IssueThread.objects.all()
 
 
+class CommentViewSet(viewsets.ModelViewSet):
+    serializer_class = CommentSerializer
+    queryset = Comment.objects.all()
+
+
 class ShippingVoucherViewSet(viewsets.ModelViewSet):
     serializer_class = ShippingVoucherSerializer
     queryset = ShippingVoucher.objects.all()
@@ -119,6 +124,7 @@ def add_comment(request, pk):
 
 router = routers.SimpleRouter()
 router.register(r'tickets', IssueViewSet, basename='issues')
+#router.register(r'comments', CommentViewSet, basename='comments')
 router.register(r'shipping_vouchers', ShippingVoucherViewSet, basename='shipping_vouchers')
 
 urlpatterns = ([

core/tickets/models.py

@@ -1,5 +1,5 @@
-from django.db import models
 from django.utils import timezone
+from django.db import models
 from django_softdelete.models import SoftDeleteModel
 
 from authentication.models import ExtendedUser

core/tickets/serializers.py

@@ -52,8 +52,8 @@ class IssueSerializer(serializers.ModelSerializer):
         ret = super().to_internal_value(data)
         if 'state' in data:
             ret['state'] = data['state']
-#        if 'assigned_to' in data:
-#            ret['assigned_to'] = data['assigned_to']
+        #        if 'assigned_to' in data:
+        #            ret['assigned_to'] = data['assigned_to']
         return ret
 
     def validate(self, attrs):

core/tickets/tests/v2/test_tickets.py

@@ -247,6 +247,16 @@ class IssueApiTest(TestCase):
         self.assertEqual(timeline[1]['subject'], 'test issue')
         self.assertEqual(timeline[1]['body'], 'test')
 
+    #def test_post_comment(self):
+    #    issue = IssueThread.objects.create(
+    #        name="test issue",
+    #    )
+    #    response = self.client.post('/api/2/comments/', {'comment': 'test', 'issue_thread': issue.id})
+    #    self.assertEqual(response.status_code, 201)
+    #    self.assertEqual(response.json()['comment'], 'test')
+    #    self.assertEqual(response.json()['issue_thread'], issue.id)
+    #    self.assertEqual(response.json()['timestamp'], response.json()['timestamp'])
+
     def test_post_comment_altenative(self):
         issue = IssueThread.objects.create(
             name="test issue",

deploy/ansible/playbooks/templates/django.env.j2

@@ -13,3 +13,5 @@ STATIC_ROOT=/var/www/c3lf-sys3/staticfiles
 ACTIVE_SPAM_TRAINING=True
 DEBUG_MODE_ACTIVE={{ debug_mode_active }}
 DJANGO_SECRET_KEY={{ django_secret_key }}
+TELEGRAM_GROUP_CHAT_ID={{ telegram_group_chat_id }}
+TELEGRAM_BOT_TOKEN={{ telegram_bot_token }}

web/package.json

@@ -8,6 +8,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
+    "@chenfengyuan/vue-qrcode": "^2.0.0",
     "@fortawesome/fontawesome-svg-core": "^6.5.1",
     "@fortawesome/free-solid-svg-icons": "^6.5.1",
     "@fortawesome/vue-fontawesome": "^3.0.6",

web/src/components/CollapsableCards.vue

@@ -1,6 +1,31 @@
 <template>
     <div class="row">
         <div class="col-lg-3 col-xl-2">
+            <!--div class="card bg-dark text-light mb-2" id="filters">
+                <div class="card-body">
+                    <h5 class="card-title text-info">Sort & Filter</h5>
+                    <div class="form-group" v-for="(column, index) in columns" :key="index">
+                        <label>{{ column }}</label>
+                        <div class="input-group">
+                            <div class="input-group-prepend">
+                                <button
+                                    :class="[ 'btn', column === sortBy ? 'btn-outline-info' : 'btn-outline-secondary' ]"
+                                    type="button"
+                                    @click="toggleSort(column)">
+                                    <font-awesome-icon :icon="getSortIcon(column)"/>
+                                </button>
+                            </div>
+                            <input
+                                type="text"
+                                class="form-control"
+                                placeholder="filter"
+                                :value="filters[column]"
+                                @input="changeFilter(column, $event.target.value)"
+                            >
+                        </div>
+                    </div>
+                </div>
+            </div-->
         </div>
         <div class="col-lg-9 col-xl-8">
             <div class="w-100"
@@ -58,6 +83,13 @@ export default {
         } else {
             this.collapsed = this.sections.map(() => true);
         }
+
+        //this.$router.push({...this.$router.currentRoute, query: {...this.$router.currentRoute.query, layout}});
+        //this.collapsed = this.sections.map(() => true);
+        /*this.columns.map(e => ({
+            k: e,
+            v: this.$store.getters.getFilters[e]
+        })).filter(e => e.v).forEach(e => this.setFilter(e.k, e.v));*/
     },
     computed: {
         grouped_items() {

web/src/components/SlotTable.vue

@@ -0,0 +1,105 @@
+<template>
+    <table class="table table-striped table-dark">
+        <thead>
+        <tr>
+            <th scope="col" v-for="(column, index) in columns" :key="index"
+                v-if="columnHasData[index]||columnHasSlot[index]">
+                <div class="input-group" v-if="columnHasData[index]">
+                    <div class="input-group-prepend">
+                        <button
+                            :class="[ 'btn', column === sortBy ? 'btn-outline-info' : 'btn-outline-secondary' ]"
+                            @click="toggleSort(column)"
+                        >
+                            {{ column }}
+                            <span :class="{ 'text-info': column === sortBy }">
+                                    <font-awesome-icon :icon="getSortIcon(column)"/>
+                                </span>
+                        </button>
+                    </div>
+                    <input
+                        type="text"
+                        class="form-control"
+                        placeholder="filter"
+                        :value="filters[column]"
+                        @input="changeFilter(column, $event.target.value)"
+                    >
+                </div>
+                <span v-else-if="columnHasSlot[index]">
+                    {{ column }}
+                </span>
+            </th>
+            <th>
+                <slot name="header_actions"/>
+            </th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr v-for="item in internalItems" :key="item[keyName]" @click="$emit('itemActivated', item)">
+            <td v-for="(column, index) in columns" :key="index" v-if="columnHasSlot[index]||columnHasData[index]">
+                <slot v-if="columnHasSlot[index]" :name="column" :item="item"/>
+                <span v-else-if="columnHasData[index]">
+                    {{ item[column] }}
+                </span>
+                <span v-else>
+                    {{ column }}
+                </span>
+            </td>
+            <td>
+                <slot v-bind:item="item" name="actions"/>
+            </td>
+        </tr>
+        </tbody>
+    </table>
+</template>
+
+<script>
+import DataContainer from '@/mixins/data-container';
+import router from '../router';
+
+export default {
+    name: 'SlotTable',
+    mixins: [DataContainer],
+    data() {
+        return {
+            columnHasSlot: [],
+            columnHasData: []
+        }
+    },
+    created() {
+        this.columns.map(e => ({
+            k: e,
+            v: this.$store.getters.getFilters[e]
+        })).filter(e => e.v).forEach(e => this.setFilter(e.k, e.v));
+
+    },
+    mounted() {
+        this.columnHasSlot = this.columns.map(e => Object.keys(this.$slots).includes(e));
+        this.columnHasData = this.columns.map(e => this.items.reduce((a, b) => a || b[e] !== undefined, false));
+        //console.log(this.columnHasData, this.columnHasSlot, this.columns, Object.keys(this.$slots), this.$slots);
+        for (let slot in this.$slots) {
+            console.log(`Slot: ${slot}`);
+            console.log(`Data: ${this.$slots[slot]}`);
+        }
+    },
+    beforeUpdate() {
+        this.columnHasSlot = this.columns.map(e => Object.keys(this.$slots).includes(e));
+        this.columnHasData = this.columns.map(e => this.items.reduce((a, b) => a || b[e] !== undefined, false));
+    },
+    methods: {
+        changeFilter(col, val) {
+            this.setFilter(col, val);
+            let newquery = Object.entries({
+                ...this.$store.getters.getFilters,
+                [col]: val
+            }).reduce((a, [k, v]) => (v ? {...a, [k]: v} : a), {});
+            router.push({query: newquery});
+        },
+    },
+};
+</script>
+
+<style>
+.table-body-move {
+    transition: transform 1s;
+}
+</style>

web/src/components/Toast.vue

@@ -0,0 +1,48 @@
+<template>
+    <div class="toast" :class="color && ('border-' + color)" role="alert" ref="toast" data-autohide="false">
+        <div class="toast-header" :class="[color && ('bg-' + color), color && 'text-light']">
+            <strong class="mr-auto pr-3">{{ title }}</strong>
+            <small>{{ displayTime }}</small>
+            <button type="button" class="ml-2 mb-1 close" @click="close()">
+                <span aria-hidden="true">&times;</span>
+            </button>
+        </div>
+        <!--div class="toast-body" v-html="message">{{ message }}</div-->
+    </div>
+</template>
+
+<script>
+import $ from 'jquery';
+import 'bootstrap/js/dist/toast';
+import {DateTime} from 'luxon';
+
+export default {
+    name: 'Toast',
+    props: ['title', 'message', 'color'],
+    data: () => ({
+        creationTime: DateTime.local(),
+        displayTime: 'just now',
+        timer: undefined
+    }),
+    mounted() {
+        const {toast} = this.$refs;
+        $(toast).toast('show');
+        this.timer = setInterval(this.updateDisplayTime, 1000);
+    },
+    methods: {
+        close() {
+            const {toast} = this.$refs;
+            $(toast).toast('hide');
+            window.setTimeout(() => {
+                this.$emit('close');
+            }, 500);
+        },
+        updateDisplayTime() {
+            this.displayTime = this.creationTime.toRelative();
+        }
+    },
+    beforeDestroy() {
+        clearInterval(this.timer);
+    }
+};
+</script>

web/src/components/inputs/FormatedText.vue

@@ -0,0 +1,112 @@
+<template>
+    <div contenteditable @input="onchange" ref="text">
+    </div>
+</template>
+
+<script>
+export default {
+    name: 'FormatedText',
+    props: {
+        value: {
+            type: String,
+            required: true
+        },
+        format: {
+            type: Function,
+            default: null
+        }
+    },
+    data() {
+        return {
+            selection: {start: 0, end: 0, direction: 'forward', type: 'Caret'}
+        };
+    },
+    emits: ['input'],
+    methods: {
+        rawhtml(value) {
+            if (typeof this.format === 'function') {
+                return this.format(value.replace(/ /g, '&nbsp;'));
+            } else {
+                return value;
+            }
+        },
+        onchange(event) {
+            const div = this.$refs.text;
+            const sel = window.getSelection();
+            if (sel.rangeCount > 0) {
+                this.selection.start = this.calculateOffset(div, sel.anchorNode, sel.anchorOffset);
+                this.selection.end = this.calculateOffset(div, sel.focusNode, sel.focusOffset);
+                this.selection.direction = sel.direction;
+                this.selection.type = sel.type;
+            }
+            this.$emit('input', event.target.innerText.replace(/&nbsp;/g, ' ').replace(/\xA0/g, ' '));
+        },
+        calculateOffset(container, node, offset) {
+            let position = 0;
+            let found = false;
+            const walk = (elem) => {
+                if (elem === node) {
+                    found = true;
+                    return;
+                }
+                if (elem.nodeType === 3) {
+                    position += elem.length;
+                } else {
+                    for (let i = 0; i < elem.childNodes.length; i++) {
+                        walk(elem.childNodes[i]);
+                        if (found) {
+                            return;
+                        }
+                    }
+                }
+            };
+            walk(container);
+            return position + offset;
+        },
+        findNode(container, offset) {
+            let position = 0;
+            let found = false;
+            let node = null;
+            const walk = (elem) => {
+                if (position + elem.length >= offset) {
+                    found = true;
+                    node = elem;
+                    return;
+                }
+                if (elem.nodeType === 3) {
+                    position += elem.length;
+                } else {
+                    for (let i = 0; i < elem.childNodes.length; i++) {
+                        walk(elem.childNodes[i]);
+                        if (found) {
+                            return;
+                        }
+                    }
+                }
+            };
+            walk(container);
+            return [node, offset - position]
+        },
+    },
+    watch: {
+        value() {
+            if (this.selection) {
+                const div = this.$refs.text;
+                div.innerHTML = this.rawhtml(this.value);
+
+                const range = document.createRange();
+                const sel = window.getSelection();
+                range.setStart(...this.findNode(div, this.selection.start));
+                range.setEnd(...this.findNode(div, this.selection.end));
+
+                sel.removeAllRanges();
+                sel.addRange(range);
+            }
+        }
+    },
+    mounted() {
+        const div = this.$refs.text;
+        div.innerHTML = this.rawhtml(this.value);
+    }
+};
+</script>

web/src/main.js

@@ -1,5 +1,6 @@
 import {createApp} from 'vue'
 import App from './App.vue';
+import VueQrcode from '@chenfengyuan/vue-qrcode';
 import store from './store';
 import router from './router';
 
@@ -52,5 +53,6 @@ library.add(faPlus, faCheckCircle, faEdit, faTrash, faCat, faSyncAlt, faSort, fa
 
 const app = createApp(App).use(store).use(router);
 
+app.component(VueQrcode.name, VueQrcode);
 app.component('font-awesome-icon', FontAwesomeIcon);
 app.mount('#app')

web/src/router.js

@@ -4,6 +4,7 @@ import store from '@/store';
 import Items from './views/Items';
 import Boxes from './views/Boxes';
 import Files from './views/Files';
+import Error from './views/Error';
 import HowTo from './views/HowTo';
 import Login from '@/views/Login.vue';
 import Register from '@/views/Register.vue';
@@ -13,9 +14,11 @@ import Ticket from "@/views/Ticket.vue";
 import Admin from "@/views/admin/Admin.vue";
 import Empty from "@/views/Empty.vue";
 import Events from "@/views/admin/Events.vue";
+import Settings from "@/views/admin/Settings.vue";
 import AccessControl from "@/views/admin/AccessControl.vue";
 import {default as BoxesAdmin} from "@/views/admin/Boxes.vue"
 import Shipping from "@/views/admin/Shipping.vue";
+import Notifications from "@/views/admin/Notifications.vue";
 
 const routes = [
     {path: '/', redirect: '/37C3/items', meta: {requiresAuth: false}},
@@ -58,6 +61,10 @@ const routes = [
                 path: 'events/', name: 'events', component: Events, meta:
                     {requiresAuth: true, requiresPermission: 'delete_event'}
             },
+            {
+                path: 'settings/', name: 'settings', component: Settings, meta:
+                    {requiresAuth: true, requiresPermission: 'delete_event'}
+            },
             {
                 path: '', name: 'admin', component: Dashboard, meta:
                     {requiresAuth: true, requiresPermission: 'delete_event'}
@@ -74,9 +81,14 @@ const routes = [
                 path: 'shipping/', name: 'shipping', component: Shipping, meta:
                     {requiresAuth: true, requiresPermission: 'delete_event'}
             },
+            {
+                path: 'notifications/', name: 'notifications', component: Notifications, meta:
+                    {requiresAuth: true, requiresPermission: 'delete_event'}
+            }
         ]
     },
     {path: '/user', name: 'user', component: Empty, meta: {requiresAuth: true}},
+    //{path: '*', component: Error},
 ];
 
 const router = createRouter({
@@ -110,3 +122,4 @@ router.afterEach((to, from) => {
 });
 
 export default router;
+

web/src/store.js

@@ -19,6 +19,8 @@ const store = createStore({
         users: [],
         groups: [],
         state_options: [],
+        messageTemplates: [],
+        messageTemplateVariables: [],
         shippingVouchers: [],
 
         lastEvent: '37C3',
@@ -42,6 +44,7 @@ const store = createStore({
             users: 0,
             groups: 0,
             states: 0,
+            messageTemplates: 0,
             shippingVouchers: 0,
         },
         persistent_loaded: false,
@@ -50,6 +53,7 @@ const store = createStore({
 
         showAddBoxModal: false,
         showAddEventModal: false,
+        test: ['foo', 'bar', 'baz'],
 
         shippingVoucherTypes: {
             '2kg-de': '2kg Paket (DE)',
@@ -219,9 +223,19 @@ const store = createStore({
             user.permissions = null;
             state.user = user;
         },
+        setTest(state, test) {
+            state.test = test;
+        },
         setThumbnail(state, {url, data}) {
             state.thumbnailCache[url] = data;
         },
+        setMessageTemplates(state, templates) {
+            state.messageTemplates = templates;
+            state.fetchedData = {...state.fetchedData, messageTemplates: Date.now()};
+        },
+        setMessageTemplateVariables(state, variables) {
+            state.messageTemplateVariables = variables;
+        },
         setShippingVouchers(state, codes) {
             state.shippingVouchers = codes;
             state.fetchedData = {...state.fetchedData, shippingVouchers: Date.now()};
@@ -459,6 +473,39 @@ const store = createStore({
             const {data, success} = await http.patch(`/2/tickets/${id}/`, ticket, state.user.token);
             commit('updateTicket', data);
         },
+        async fetchMessageTemplates({commit, state}) {
+            if (!state.user.token) return;
+            if (state.messageTemplates.length > 0) return;
+            const {data, success} = await http.get('/2/message_templates/', state.user.token);
+            if (data && success) {
+                commit('setMessageTemplates', data);
+            }
+        },
+        async updateMessageTemplate({dispatch, state}, template) {
+            const {data, success} = await http.patch(`/2/message_templates/${template.id}/`,
+                {'message': template.message}, state.user.token);
+            if (data && success) {
+                state.fetchedData.messageTemplates = 0;
+                dispatch('fetchMessageTemplates');
+            }
+        },
+        async fetchMessageTemplateVariables({commit, state}) {
+            if (!state.user.token) return;
+            if (state.messageTemplateVariables.length > 0) return;
+            const {data, success} = await http.get('/2/message_template_variables/', state.user.token);
+            if (data && success) {
+                commit('setMessageTemplateVariables', data);
+            }
+        },
+        async createMessageTemplate({dispatch, state}, template_name) {
+            const {data, success} = await http.post('/2/message_templates/', {
+                name: template_name,
+                message: '-'
+            }, state.user.token);
+            if (data && success) {
+                dispatch('fetchMessageTemplates');
+            }
+        },
         async fetchShippingVouchers({commit, state}) {
             if (!state.user.token) return;
             if (state.fetchedData.shippingVouchers > Date.now() - 1000 * 60 * 60 * 24) return;
@@ -513,6 +560,8 @@ const store = createStore({
                 "groups",
                 "loadedBoxes",
                 "loadedItems",
+                "messageTemplates",
+                "messageTemplatesVariables",
                 "shippingVouchers",
             ],
             watch: [
@@ -524,6 +573,8 @@ const store = createStore({
                 "groups",
                 "loadedBoxes",
                 "loadedItems",
+                "messageTemplates",
+                "messageTemplatesVariables",
                 "shippingVouchers",
             ],
             mutations: [

web/src/views/Tickets.vue

@@ -3,7 +3,7 @@
         <div class="container-fluid px-xl-5 mt-3">
             <div class="row">
                 <div class="col-xl-8 offset-xl-2">
-                    <Table
+                <SlotTable
                         :columns="['id', 'name', 'state', 'last_activity', 'assigned_to', 'actions', 'actions2']"
                         :items="tickets.map(formatTicket)"
                         :keyName="'id'"
@@ -18,7 +18,7 @@
                                 </a>
                             </div>
                         </template>
-                    </Table>
+                    </SlotTable>
                 </div>
             </div>
             <CollapsableCards v-if="layout === 'tasks'" :items="tickets"
@@ -56,13 +56,13 @@ import Modal from '@/components/Modal';
 import EditItem from '@/components/EditItem';
 import {mapActions, mapGetters, mapState} from 'vuex';
 import Lightbox from '../components/Lightbox';
-import Table from '@/components/Table';
+import SlotTable from "@/components/SlotTable.vue";
 import CollapsableCards from "@/components/CollapsableCards.vue";
 import AsyncLoader from "@/components/AsyncLoader.vue";
 
 export default {
     name: 'Tickets',
-    components: {AsyncLoader, Lightbox, Table, Cards, Modal, EditItem, CollapsableCards},
+    components: {AsyncLoader, Lightbox, SlotTable, Cards, Modal, EditItem, CollapsableCards},
     computed: {
         ...mapState(['tickets']),
         ...mapGetters(['stateInfo', 'getEventSlug', 'layout']),

web/src/views/admin/Admin.vue

@@ -8,9 +8,15 @@
                             <li class="nav-item">
                                 <router-link class="nav-link" :to="{name: 'admin'}" active-class="dummy" exact-active-class="active">Dashboard</router-link>
                             </li>
+                            <li class="nav-item">
+                                <router-link class="nav-link" :to="{name: 'settings'}" active-class="active">Settings</router-link>
+                            </li>
                             <li class="nav-item">
                                 <router-link class="nav-link" :to="{name: 'events'}" active-class="active">Events</router-link>
                             </li>
+                            <li class="nav-item">
+                                <router-link class="nav-link" :to="{name: 'notifications'}" active-class="active">Notifications</router-link>
+                            </li>
                             <li class="nav-item">
                                 <router-link class="nav-link" :to="{name: 'shipping'}" active-class="active">Shipping</router-link>
                             </li>

web/src/views/admin/Debug.vue

@@ -0,0 +1,87 @@
+<template>
+    <div>
+        <div>
+            <ul>
+                <li>
+                    <button class="btn btn-primary" @click="addTest('test')">+</button>
+                </li>
+                <li v-for="(t, index) in test" :key="index">
+                    {{ t }}
+                    <button class="btn btn-link" @click="removeTest(index)">-</button>
+                </li>
+            </ul>
+        </div>
+        <vue-qrcode :value="qr_url" tag="svg" :size="200" :options="{errorCorrectionLevel: 'H'}"></vue-qrcode>
+        <!--qr-code :text="" color="#000" bg-color="#fff" error-level="H" ></qr-code-->
+        <h3 class="text-center">Events</h3>
+        <!--p>{{ events }}</p-->
+        <span>{{ events.length }} loaded events</span>
+        <ul class="hidden">
+            <li v-for="event in events" :key="event.id">
+                {{ event.slug }}
+            </li>
+        </ul>
+        <h3 class="text-center">Items</h3>
+        <!--p>{{ loadedItems }}</p-->
+        <span>{{ loadedItems.length }} loaded items</span>
+        <ul class="hidden">
+            <li v-for="item in loadedItems" :key="item.id">
+                {{ item.description }}
+            </li>
+        </ul>
+        <h3 class="text-center">Boxes</h3>
+        <!--p>{{ loadedBoxes }}</p-->
+        <span>{{ loadedBoxes.length }} loaded boxes</span>
+        <ul class="hidden">
+            <li v-for="box in loadedBoxes" :key="box.id">
+                {{ box.name }}
+            </li>
+        </ul>
+        <h3 class="text-center">Issues</h3>
+        <!--p>{{ issues }}</p-->
+        <ul>
+            <li v-for="issue in tickets" :key="issue.id">
+                {{ issue.id }}
+            </li>
+        </ul>
+    </div>
+</template>
+
+<script>
+import {mapActions, mapMutations, mapState} from 'vuex';
+import Table from '@/components/Table';
+
+export default {
+    name: 'Debug',
+    components: {Table},
+    computed: {
+        ...mapState(['events', 'loadedItems', 'loadedBoxes', 'tickets']),
+        ...mapState(['events', 'loadedItems', 'loadedBoxes']),//, 'mails', 'issues', 'systemEvents']),
+        ...mapState(['test']),
+        qr_url() {
+            return window.location.href;
+        }
+    },
+    methods: {
+        ...mapActions(['changeEvent', 'loadTickets']),
+
+        ...mapActions(['changeEvent']),//, 'loadMails', 'loadIssues', 'loadSystemEvents']),
+        ...mapMutations(['setTest']),
+        addTest(test) {
+            const tests = [...this.test, test];
+            this.setTest(tests);
+        },
+        removeTest(index) {
+            const tests = [...this.test];
+            tests.splice(index, 1);
+            this.setTest(tests);
+        }
+    },
+    mounted() {
+        this.loadTickets();
+    }
+};
+</script>
+
+<style>
+</style>

web/src/views/admin/Notifications.vue

@@ -0,0 +1,36 @@
+<template>
+    <Table
+        :columns="['slug', 'name']"
+        :items="events"
+        :keyName="'slug'"
+    >
+        <template #actions="{ item }">
+            <div class="btn-group">
+                <button class="btn btn-secondary" @click.stop="changeEvent(item)">
+                    <font-awesome-icon icon="archive"/>
+                    use
+                </button>
+                <button class="btn btn-danger" @click.stop="">
+                    <font-awesome-icon icon="trash"/>
+                    delete
+                </button>
+            </div>
+        </template>
+    </Table>
+</template>
+
+<script>
+import {mapActions, mapState} from 'vuex';
+import Table from '@/components/Table';
+
+export default {
+    name: 'Notifications',
+    components: {Table},
+    computed: mapState(['events']),
+    methods: mapActions(['changeEvent']),
+};
+</script>
+
+<style scoped>
+
+</style>

web/src/views/admin/Settings.vue

@@ -0,0 +1,109 @@
+<template>
+    <h3 class="text-center">Available Message Template Variables</h3>
+    <p>
+        <span v-for="(variable, key) in messageTemplateVariables" :key="key" class="badge badge-primary"
+              style="margin: 5px;">
+            {{ variable }}
+        </span>
+    </p>
+    <h3 class="text-center">Message Templates</h3>
+    <div v-for="template in messageTemplatesIntermediate" :key="template.id" class="card bg-dark"
+         style="margin-bottom: 10px;">
+        <div class="card-header">{{ template.name }}</div>
+        <FormatedText :value="template.message" :format="formatText" class="card-body"
+                      @input="changeMessageTemplate(template.id, $event)"/>
+        <div class="card-body">
+            <button class="btn btn-primary" @click="resetMessageTemplate(template.id)"
+                    :disabled="messageTemplates.find(t => t.id === template.id).message === template.message">Reset
+            </button>
+            <button class="btn btn-success" @click="saveMessageTemplate(template.id)"
+                    :disabled="messageTemplates.find(t => t.id === template.id).message === template.message">Save
+            </button>
+        </div>
+    </div>
+    <div class="card bg-dark">
+        <div class="card-body">
+            <div class="input-group">
+                <input type="text" class="form-control" v-model="newTemplateName" placeholder="New Template Name">
+                <button class="btn btn-success input-group-btn" @click="createMessageTemplateAndReset()"
+                        ref="createButton">Create
+                </button>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script>
+import {mapActions, mapState} from 'vuex';
+import Table from '@/components/Table';
+import FormatedText from "@/components/inputs/FormatedText.vue";
+
+export default {
+    name: 'Settings',
+    components: {FormatedText, Table},
+    data() {
+        return {
+            messageTemplatesIntermediate: [],
+            newTemplateName: '',
+        };
+    },
+    computed: mapState(['messageTemplates', 'messageTemplateVariables']),
+    methods: {
+        ...mapActions(['fetchMessageTemplates', 'fetchMessageTemplateVariables', 'updateMessageTemplate', 'createMessageTemplate']),
+        formatText(value) {
+            return value.replace(/{{(.+?)}}/g, (match, key) => {
+                return `<span class="text-primary">{{${key}}}</span>`;
+            }).replace(/\n/g, '<br>').replace(/\t/g, '&nbsp;&nbsp;&nbsp;&nbsp;');
+        },
+        changeMessageTemplate(id, message) {
+            console.log(id, message);
+            this.messageTemplatesIntermediate.forEach(template => {
+                if (template.id === id) {
+                    template.message = message;
+                }
+            });
+        },
+        saveMessageTemplate(id) {
+            this.updateMessageTemplate(this.messageTemplatesIntermediate.find(template => template.id === id));
+        },
+        resetMessageTemplate(id) {
+            this.messageTemplatesIntermediate.find(template => template.id === id).message =
+                this.messageTemplates.find(template => template.id === id).message;
+        },
+        async createMessageTemplateAndReset() {
+            this.$refs.createButton.disabled = true;
+            await this.createMessageTemplate(this.newTemplateName);
+            this.newTemplateName = '';
+            this.$refs.createButton.disabled = false;
+        },
+    },
+    mounted() {
+        this.fetchMessageTemplates().then(() => {
+            this.messageTemplatesIntermediate = JSON.parse(JSON.stringify(this.messageTemplates));
+        });
+        this.fetchMessageTemplateVariables();
+    },
+    watch: {
+        messageTemplates() {
+            for (const template of this.messageTemplates) {
+                if (!this.messageTemplatesIntermediate.find(t => t.id === template.id)) {
+                    this.messageTemplatesIntermediate.push(JSON.parse(JSON.stringify(template)));
+                }
+            }
+            for (const template of this.messageTemplatesIntermediate) {
+                if (!this.messageTemplates.find(t => t.id === template.id)) {
+                    this.messageTemplatesIntermediate = this.messageTemplatesIntermediate.filter(t => t.id !== template.id);
+                }
+            }
+        }
+    }
+};
+</script>
+
+<style scoped>
+pre {
+    white-space: pre-wrap;
+    word-wrap: break-word;
+    color: inherit;
+}
+</style>