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async_app.py
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async_app.py
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import os
import logging
import asyncio
import ssl as ssl_lib
import certifi
import slack
from onboarding_tutorial import OnboardingTutorial
"""This file serves as an example for how to create the same app, but running asynchronously."""
# For simplicity we'll store our app data in-memory with the following data structure.
# onboarding_tutorials_sent = {"channel": {"user_id": OnboardingTutorial}}
onboarding_tutorials_sent = {}
async def start_onboarding(web_client: slack.WebClient, user_id: str, channel: str):
# Create a new onboarding tutorial.
onboarding_tutorial = OnboardingTutorial(channel)
# Get the onboarding message payload
message = onboarding_tutorial.get_message_payload()
# Post the onboarding message in Slack
response = await web_client.chat_postMessage(**message)
# Capture the timestamp of the message we've just posted so
# we can use it to update the message after a user
# has completed an onboarding task.
onboarding_tutorial.timestamp = response["ts"]
# Store the message sent in onboarding_tutorials_sent
if channel not in onboarding_tutorials_sent:
onboarding_tutorials_sent[channel] = {}
onboarding_tutorials_sent[channel][user_id] = onboarding_tutorial
# ================ Team Join Event =============== #
# When the user first joins a team, the type of the event will be 'team_join'.
# Here we'll link the onboarding_message callback to the 'team_join' event.
@slack.RTMClient.run_on(event="team_join")
async def onboarding_message(**payload):
"""Create and send an onboarding welcome message to new users. Save the
time stamp of this message so we can update this message in the future.
"""
# Get WebClient so you can communicate back to Slack.
web_client = payload["web_client"]
# Get the id of the Slack user associated with the incoming event
user_id = payload["data"]["user"]["id"]
# Open a DM with the new user.
response = web_client.im_open(user_id)
channel = response["channel"]["id"]
# Post the onboarding message.
await start_onboarding(web_client, user_id, channel)
# ============= Reaction Added Events ============= #
# When a users adds an emoji reaction to the onboarding message,
# the type of the event will be 'reaction_added'.
# Here we'll link the update_emoji callback to the 'reaction_added' event.
@slack.RTMClient.run_on(event="reaction_added")
async def update_emoji(**payload):
"""Update the onboarding welcome message after receiving a "reaction_added"
event from Slack. Update timestamp for welcome message as well.
"""
data = payload["data"]
web_client = payload["web_client"]
channel_id = data["item"]["channel"]
user_id = data["user"]
# Get the original tutorial sent.
onboarding_tutorial = onboarding_tutorials_sent[channel_id][user_id]
# Mark the reaction task as completed.
onboarding_tutorial.reaction_task_completed = True
# Get the new message payload
message = onboarding_tutorial.get_message_payload()
# Post the updated message in Slack
updated_message = await web_client.chat_update(**message)
# Update the timestamp saved on the onboarding tutorial object
onboarding_tutorial.timestamp = updated_message["ts"]
# =============== Pin Added Events ================ #
# When a users pins a message the type of the event will be 'pin_added'.
# Here we'll link the update_pin callback to the 'reaction_added' event.
@slack.RTMClient.run_on(event="pin_added")
async def update_pin(**payload):
"""Update the onboarding welcome message after receiving a "pin_added"
event from Slack. Update timestamp for welcome message as well.
"""
data = payload["data"]
web_client = payload["web_client"]
channel_id = data["channel_id"]
user_id = data["user"]
# Get the original tutorial sent.
onboarding_tutorial = onboarding_tutorials_sent[channel_id][user_id]
# Mark the pin task as completed.
onboarding_tutorial.pin_task_completed = True
# Get the new message payload
message = onboarding_tutorial.get_message_payload()
# Post the updated message in Slack
updated_message = await web_client.chat_update(**message)
# Update the timestamp saved on the onboarding tutorial object
onboarding_tutorial.timestamp = updated_message["ts"]
# ============== Message Events ============= #
# When a user sends a DM, the event type will be 'message'.
# Here we'll link the message callback to the 'message' event.
@slack.RTMClient.run_on(event="message")
async def message(**payload):
"""Display the onboarding welcome message after receiving a message
that contains "start".
"""
data = payload["data"]
web_client = payload["web_client"]
channel_id = data.get("channel")
user_id = data.get("user")
text = data.get("text")
if text and text.lower() == "start":
return await start_onboarding(web_client, user_id, channel_id)
if __name__ == "__main__":
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logger.addHandler(logging.StreamHandler())
ssl_context = ssl_lib.create_default_context(cafile=certifi.where())
slack_token = os.environ["SLACK_BOT_TOKEN"]
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
rtm_client = slack.RTMClient(
token=slack_token, ssl=ssl_context, run_async=True, loop=loop
)
loop.run_until_complete(rtm_client.start())