Turn form bookings into Zoom meetings with a Gmail confirmation

import base64
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_event, credentials, http, notify

@on_event
def handle(event):
    b = event.json or {}
    meeting = http.post("https://api.zoom.us/v2/users/me/meetings",
                        headers={"Authorization": f"Bearer {credentials.connection('zoom', 'work')}"},
                        json={"topic": f"Intro call with {b['name']}", "type": 2, "start_time": b["time"],
                              "duration": 30, "timezone": "Europe/London"}).json()
    msg = EmailMessage()
    msg["To"], msg["Subject"] = b["email"], "Your call is booked"
    msg.set_content(f"Hi {b['name']},\n\nWe're booked for {b['time']}. Join here: {meeting['join_url']}\n\nSee you then!")
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    gmail.users().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    notify.slack(f"New booking: {b['name']} at {b['time']}", channel="#bookings")
    return {"meeting": meeting["id"]}