Implement filter signals for message processing

msgio/gateways/telegram.py

@@ -9,6 +9,7 @@ from dbsettings.functions import dbsettings
 
 from ..signals import send_message
 from ..models import GatewayUser
+from ..helpers import run_filters
 
 class TelegramWebhookView(View):
     def post(self, *args, **kwargs):
@@ -29,4 +30,6 @@ def telegram_sender(sender, **kwargs):
         settings = GatewayUser.objects.get(user=notification.recipient, gateway="telegram")
         chat_id = settings.gatewayusersetting_set.get(key="chat_id").value
 
-        TelegramDispatcher().send(notification.content, chat_id)
+        text = run_filters(notification)
+
+        TelegramDispatcher().send(text, chat_id)

msgio/handler.py

@@ -27,3 +27,4 @@ def send_notifications(sender, **kwargs):
                     pass # TODO: See above
 
     return returns
+

msgio/helpers.py

@@ -0,0 +1,12 @@
+import filtersignals
+
+from dbsettings.functions import getValue
+
+make_message = filtersignals.FilterSignal()
+
+def run_filters(notification):
+    return make_message.send_robust(notification.__class__, recipient=notification.recipient, content=notification.content, app=notification.app)["content"]
+
+@filtersignals.receiver(make_message, 500)
+def notification_placeholders(sender, **kwargs):
+    return {"content": kwargs["content"].replace("%KUMIFYURL%", getValue("KUMIFY_URL", "your Kumify instance"))}

requirements.txt

@@ -6,6 +6,7 @@ django-multiupload
 django-storages
 git+git://github.com/Chive/django-multiupload.git@ba52e161a68ce19062c3655e89544c2d377990a0#egg=multiupload
 git+https://kumig.it/kumisystems/django-dbsettings.git
+git+https://kumig.it/kumisystems/django-filtersignals.git
 mysqlclient
 boto3
 argon2_cffi