From 1f78158637fa582d523de95895eb0c3919387cbd Mon Sep 17 00:00:00 2001
From: Klaus-Uwe Mitterer <git@kumi.email>
Date: Sat, 2 Jan 2021 10:13:07 +0100
Subject: [PATCH] Implement filter signals for message processing

---
 msgio/gateways/telegram.py |  5 ++++-
 msgio/handler.py           |  3 ++-
 msgio/helpers.py           | 12 ++++++++++++
 requirements.txt           |  1 +
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/msgio/gateways/telegram.py b/msgio/gateways/telegram.py
index d2d7bdb..02afe6d 100644
--- a/msgio/gateways/telegram.py
+++ b/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)
\ No newline at end of file
+        text = run_filters(notification)
+
+        TelegramDispatcher().send(text, chat_id)
\ No newline at end of file
diff --git a/msgio/handler.py b/msgio/handler.py
index 1a192a0..ec9413d 100644
--- a/msgio/handler.py
+++ b/msgio/handler.py
@@ -26,4 +26,5 @@ def send_notifications(sender, **kwargs):
                 except:
                     pass # TODO: See above
 
-    return returns
\ No newline at end of file
+    return returns
+
diff --git a/msgio/helpers.py b/msgio/helpers.py
index e69de29..d675fbe 100644
--- a/msgio/helpers.py
+++ b/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"))}
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 83c68f8..44b7f55 100644
--- a/requirements.txt
+++ b/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