Initial commit

Author: Saurav-Shrivastav

bot.py

@@ -0,0 +1,61 @@
+from flask import Flask, Response
+from slackeventsapi import SlackEventAdapter
+import os
+from threading import Thread
+from slack import WebClient
+
+
+# This `app` represents your existing Flask app
+app = Flask(__name__)
+
+greetings = ["hi", "hello", "hello there", "hey"]
+
+SLACK_SIGNING_SECRET = os.environ['SLACK_SIGNING_SECRET']
+slack_token = os.environ['SLACK_BOT_TOKEN']
+VERIFICATION_TOKEN = os.environ['VERIFICATION_TOKEN']
+
+#instantiating slack client
+slack_client = WebClient(slack_token)
+
+# An example of one of your Flask app's routes
+@app.route("/")
+def event_hook(request):
+    json_dict = json.loads(request.body.decode("utf-8"))
+    if json_dict["token"] != VERIFICATION_TOKEN:
+        return {"status": 403}
+
+    if "type" in json_dict:
+        if json_dict["type"] == "url_verification":
+            response_dict = {"challenge": json_dict["challenge"]}
+            return response_dict
+    return {"status": 500}
+    return
+
+
+slack_events_adapter = SlackEventAdapter(
+    SLACK_SIGNING_SECRET, "/slack/events", app
+)  
+
+
+@slack_events_adapter.on("app_mention")
+def handle_message(event_data):
+    def send_reply(value):
+        event_data = value
+        message = event_data["event"]
+        if message.get("subtype") is None:
+            command = message.get("text")
+            channel_id = message["channel"]
+            if any(item in command.lower() for item in greetings):
+                message = (
+                    "Hello <@%s>! :tada:"
+                    % message["user"]  # noqa
+                )
+                slack_client.chat_postMessage(channel=channel_id, text=message)
+    thread = Thread(target=send_reply, kwargs={"value": event_data})
+    thread.start()
+    return Response(status=200)
+
+
+# Start the server on port 3000
+if __name__ == "__main__":
+  app.run(port=3000)