Email customers when the bug they reported is fixed

import base64
from email.mime.text import MIMEText
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from datetime import datetime, timezone
from clickruntime import on_trigger, state_initializer, credentials, http, state, report_fetched

JIRA, SITE = "https://api.atlassian.com/ex/jira/your-cloud-id", "https://acme.atlassian.net/browse/"
adf = lambda text: {"type": "doc", "version": 1, "content": [{"type": "paragraph", "content": [{"type": "text", "text": text}]}]}

def jira(method, path, **kw):
    resp = http.request(method, JIRA + path, headers={"Authorization": f"Bearer {credentials.connection('jira', 'work')}", "Accept": "application/json"}, **kw)
    return resp.raise_for_status() or (resp.json() if resp.content else None)
gmail = lambda: build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users()

def send(to, subject, body, cc=None):
    msg = MIMEText(body)
    msg["To"], msg["Subject"] = to, subject
    if cc: msg["Cc"] = cc
    gmail().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()

EMAIL_FIELD = "customfield_10050"

@state_initializer
def init():
    state.set("since", datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M"))

@on_trigger
def run(event):
    since = state.get("since")
    now = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M")
    issues = jira("POST", "/rest/api/3/search/jql", json={"jql": f'project = SUP AND issuetype = Bug AND resolved >= "{since}" AND "{EMAIL_FIELD}" is not EMPTY',
                  "fields": ["summary", EMAIL_FIELD], "maxResults": 100})["issues"]
    report_fetched(len(issues))
    if not issues:
        return {"emailed": 0}
    emails = [(e.strip(), i["fields"]["summary"]) for i in issues for e in (i["fields"][EMAIL_FIELD] or "").split(",")]
    for email, title in emails:
        send(email, f"Fixed: {title}", f"Hi,\n\nGood news: the problem you reported, \"{title}\", has been fixed. Reply here if anything still looks wrong.\n\nThe Acme team")
    state.set("since", now)
    return {"emailed": len(emails)}