Share new blog posts on LinkedIn after a quick review

import base64, uuid
import feedparser
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, on_event, report_fetched, credentials, http, state, ai

FEED, ME, APPROVE_URL = "https://blog.example.com/feed", "me@example.com", "https://your-trigger-link"

@on_trigger
def check(event):
    seen = state.get("seen")
    entries = feedparser.parse(FEED).entries[:20]
    new = [e for e in entries if seen is not None and e.link not in seen]
    report_fetched(len(new))
    if seen is None:
        state.set("seen", [e.link for e in entries])
    if not new:
        return {"drafts": 0}
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    for e in new:
        text = ai.generate(f"Write a 100-word LinkedIn post promoting this article, ending with the link.\n{e.title}\n{e.get('summary', '')[:1500]}\n{e.link}",
                           max_output_tokens=300).text.strip()
        key = uuid.uuid4().hex
        state.set(f"draft:{key}", text)
        msg = EmailMessage()
        msg["To"], msg["Subject"] = ME, f"LinkedIn draft: {e.title}"
        msg.set_content(f"{text}\n\nApprove and publish: {APPROVE_URL}?draft={key}")
        gmail.users().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    state.set("seen", (seen + [e.link for e in new])[-300:])
    return {"drafts": len(new)}

@on_event
def approve(event):
    key = (event.json or {}).get("draft", "")
    text = state.get(f"draft:{key}")
    if not text:
        return {"published": False}
    headers = {"Authorization": "Bearer " + credentials.connection("linkedin", "main"), "LinkedIn-Version": "202405"}
    me = http.get("https://api.linkedin.com/v2/userinfo", headers=headers).json()["sub"]
    http.post("https://api.linkedin.com/rest/posts", headers=headers, json={
        "author": f"urn:li:person:{me}", "commentary": text, "visibility": "PUBLIC", "lifecycleState": "PUBLISHED",
        "distribution": {"feedDistribution": "MAIN_FEED", "targetEntities": [], "thirdPartyDistributionChannels": []}}).raise_for_status()
    state.delete(f"draft:{key}")
    return {"published": True}