Add event-base listening prototype.

slack-bot-testing.py

@@ -1,11 +1,39 @@
 import os
 import slack
-
+'''
 client = slack.WebClient(token=os.environ['SLACK_API_TOKEN'])
 
+
 response = client.chat_postMessage(
     channel='#general',
     text='Hello, world!'
 )
 assert response['ok']
-assert response['message']['text'] == 'Hello, world!'
+assert response['message']['text'] == 'Hello, world!'
+'''
+print('I am running.')
+
+@slack.RTMClient.run_on(event='message')
+def say_hello(**payload):
+    print('I\'m in.')
+    data = payload['data']
+    web_client = payload['web_client']
+    rtm_client = payload['rtm_client']
+    try:
+        if 'Hello' in data['text']:
+            channel_id = data['channel']
+            thread_ts = data['ts']
+            user = data['user']
+
+            web_client.chat_postMessage(
+                channel=channel_id,
+                text="Hi <@{user}>!",
+                thread_ts=thread_ts
+            )
+    except:
+        print('lmao wtf')
+
+slack_token = os.environ["SLACK_API_TOKEN"]
+rtm_client = slack.RTMClient(token=slack_token)
+rtm_client.start()
+