Turn new Drive docs into LinkedIn posts

from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, report_fetched, credentials, http, state, ai

FOLDER_ID = "your-drive-folder-id"

@on_trigger
def run(event):
    drive = build("drive", "v3", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    done = set(state.get("done") or [])
    files = drive.files().list(q=f"'{FOLDER_ID}' in parents and mimeType = 'application/vnd.google-apps.document' and trashed = false",
                               fields="files(id,name)", pageSize=20).execute()["files"]
    new = [f for f in files if f["id"] not in done]
    report_fetched(len(new))
    if not new:
        return {"posted": 0}
    headers = {"Authorization": "Bearer " + credentials.connection("linkedin", "main"), "LinkedIn-Version": "202405"}
    me = http.get("https://api.linkedin.com/v2/userinfo", headers=headers).json()["sub"]
    for f in new:
        text = drive.files().export(fileId=f["id"], mimeType="text/plain").execute().decode(errors="ignore")
        post = ai.generate(f"Notes titled '{f['name']}':\n{text[:6000]}", max_output_tokens=400,
                           system="Write a 150-word first-person LinkedIn post about the single most useful idea in these notes.").text
        http.post("https://api.linkedin.com/rest/posts", headers=headers, json={
            "author": f"urn:li:person:{me}", "commentary": post, "visibility": "PUBLIC", "lifecycleState": "PUBLISHED",
            "distribution": {"feedDistribution": "MAIN_FEED", "targetEntities": [], "thirdPartyDistributionChannels": []}}).raise_for_status()
        done.add(f["id"])
    state.set("done", list(done))
    return {"posted": len(new)}