Added readrow, saverow and filters to ensure deduplication

plugins/rmass/actions/synapsepushmessages.py

@@ -1,4 +1,4 @@
-#import os
+from . import synapsenotify
 
 name = "Synapse Message Push"
 
@@ -34,6 +34,8 @@ resolve = {
     },
 }
 
+isrequest = True
+
 keys = [
     {
         "keytitle": "msgtype",
@@ -85,4 +87,42 @@ headers = {
     "Content-Type": "application/json",
 }
 
+outputs = {
+    "event_id": "event_id"
+}
+
+saverow = {
+    "table": "message_mapping",
+    "columns": [
+        {"rmass_message_id": "INTEGER PRIMARY KEY"},
+        {"matrix_event_id": "TEXT NOT NULL UNIQUE"},
+    ],
+    
+    "rowitems": [
+        {"resolved": "message_id"},
+        {"outputs": "event_id"},
+    ],
+}
+
+readrow = {
+    "table": "message_mapping",
+    "columns": [
+        {"rmass_message_id": "INTEGER PRIMARY KEY"},
+        {"matrix_event_id": "TEXT NOT NULL UNIQUE"},
+    ],
+    "searchcolumn": "rmass_message_id",
+    "rowsearchvalue": [
+        {"resolved": "message_id"},
+    ],
+    "columnnumber": 0,
+}
+
+filters = [
+    {
+        "filterkey": "message_id",
+        "operator": "==",
+        "filtervalue": {"outputs": "databasetarget"},
+        "print": "Message already forwarded. Continuing...",
+    },
+]