Send a message back to Slack, check the error that we got

Author: RadoRado

solution/main.py

@@ -1,12 +1,23 @@
 from pprint import pprint
 
+import requests
+
 from benedict import benedict
 
+from dotenv import dotenv_values
+
 from fastapi import Body, FastAPI, Request, Response
 
+config = dotenv_values(".env")
+
 app = FastAPI()
 
 
+# This token can be obtained from the `OAuth Tokens for Your Workspace` section
+# In `OAuth & Permissions` in the bot settings
+BOT_TOKEN = config["BOT_TOKEN"]
+
+
 @app.post("/echo")
 async def echo(request: Request, response: Response, data=Body(...)):
     raw_body = await request.body()
@@ -24,8 +35,22 @@ async def echo(request: Request, response: Response, data=Body(...)):
     channel_id = payload.get("event.channel")
 
     if event_type == "app_mention":
-        # Send the message here
-        print(channel_id)
+        send_message_payload = {
+            "channel": channel_id,
+            "text": "Pinging back in the channel"
+        }
+
+        headers = {
+            "Authorization": f"Bearer {BOT_TOKEN}"
+        }
+
+        response = requests.post(
+            "https://slack.com/api/chat.postMessage",
+            headers=headers,
+            json=send_message_payload
+        )
+        # We do that to debug any incoming errors from Slack
+        pprint(response.text)
 
     return {
         "data": data,

solution/requirements.txt

@@ -2,3 +2,4 @@ fastapi==0.67.0
 uvicorn==0.14.0
 requests==2.26.0
 python-benedict==0.24.0
+python-dotenv==0.18.0