Publish a weekly blog post and announce it on LinkedIn

from clickruntime import on_trigger, credentials, http, state, ai, notify

TOPICS = ["Writing a fair remote work policy", "What to include in a first-week onboarding plan", "Handling a grievance step by step"]
SCHEMA = {"type": "object", "properties": {k: {"type": "string"} for k in ["title", "excerpt", "body_html", "teaser"]}, "required": ["title", "excerpt", "body_html", "teaser"]}
WP = "https://blog.example.com/wp-json/wp/v2"

def wp(method, path, **kw):
    r = http.request(method, f"{WP}/{path}", auth=(credentials.secret("WP_USER"), credentials.secret("WP_APP_PASSWORD")), **kw)
    r.raise_for_status()
    return r.json()
def post_to_linkedin(text):
    token = credentials.connection("linkedin", "work")
    me = http.get("https://api.linkedin.com/v2/userinfo", headers={"Authorization": f"Bearer {token}"}).json()["sub"]
    http.post("https://api.linkedin.com/rest/posts", headers={"Authorization": f"Bearer {token}", "LinkedIn-Version": "202409", "X-Restli-Protocol-Version": "2.0.0"},
              json={"author": f"urn:li:person:{me}", "commentary": text, "visibility": "PUBLIC", "lifecycleState": "PUBLISHED",
                    "distribution": {"feedDistribution": "MAIN_FEED", "targetEntities": [], "thirdPartyDistributionChannels": []}}).raise_for_status()

@on_trigger
def run(event):
    used = state.get("used") or 0
    if used >= len(TOPICS):
        notify.email_me("Blog topic list is empty", "Add more topics to keep the weekly post going.")
        return {"posted": False}
    art = ai.generate(f"Write a 1000-word blog post (HTML body, H2 headings) for small business owners on '{TOPICS[used]}', plus a 60-word LinkedIn teaser.",
                      json_schema=SCHEMA, max_output_tokens=2048).json
    post = wp("POST", "posts", json={"title": art["title"], "excerpt": art["excerpt"], "content": art["body_html"], "status": "publish"})
    post_to_linkedin(f"{art['teaser']}\n\n{post['link']}")
    state.set("used", used + 1)
    return {"posted": post["link"]}