refactor slack logger

app/doorboy-proxy.py

@@ -3,12 +3,14 @@ from datetime import date, datetime
 from sanic import Sanic
 from sanic.response import text, json
 from sanic_prometheus import monitor
-from motor.motor_asyncio import AsyncIOMotorClient
 import httpx
-import pymongo
+from motor.motor_asyncio import AsyncIOMotorClient
+from pymongo.errors import PyMongoError
 import os
+from .slack import add_slack_routes
 
 app = Sanic(__name__)
+add_slack_routes(app)
 monitor(app).expose_endpoint()
 
 DOORBOY_SECRET_FLOOR = os.environ["DOORBOY_SECRET_FLOOR"] # API key for godoor controllers authenticating for k-space:floor
@@ -148,16 +150,41 @@ async def forward_swipe(request):
         print("Door", repr(data.get("door")), "not in", doors)
         return text("Not allowed", 403)
 
-    async with httpx.AsyncClient() as client:
-        r = await client.post(SWIPE_URI, json=data, headers={
-            "Content-Type": "application/json",
-            "Authorization": f"Basic {INVENTORY_API_KEY}"
-        })
-    if r.status_code == 200:
-        return text("ok")
-    else:
-        return text("Failed", 500)
+def slack_post(msg):
+    if SLACK_DOORLOG_CALLBACK == "DEV":
+        print(f"[DEV SLACK]: {msg}") 
+        return
 
+    try:
+        requests.post(SLACK_DOORLOG_CALLBACK, json={"text": msg }).raise_for_status()
+    except requests.exceptions.RequestException as e:
+        print(f"[SLACK]: {e}")
+
+def approvedStr(approved: bool) -> str:
+    if approved:
+        return "Permitted"
+    
+    return "Denied"
+
+# consumes SLACK_DOORLOG_CALLBACK and app.ctx.db
+@app.listener("after_server_start")
+async def slack_log(app, loop):
+    pipeline = [{
+        "$match": {
+            "operationType": "insert",
+        }
+    }]
+    while True:
+        try:
+            async with app.ctx.db.eventlog.watch(pipeline) as stream:
+                async for event in stream:
+                    ev = event["fullDocument"]                    
+                    
+                    msg = "%s %s access for %s via %s" % (approvedStr(ev["approved"]), ev["door"], ev["user"]["name"], ev("method"))
+                    slack_post(msg)
+        
+        except PyMongoError as e:
+            print(e)
 
 if __name__ == "__main__":
     app.run(debug=False, host="0.0.0.0", port=5000, single_process=True, access_log=True)