Save email attachments to OneDrive and share them in Teams

GRAPH = "https://graph.microsoft.com/v1.0"
import base64
from clickruntime import on_trigger, credentials, http, state, report_fetched

TEAM_ID, CHANNEL_ID = "your-team-id", "your-channel-id"

@on_trigger
def run(event):
    h = {"Authorization": f"Bearer {credentials.connection('microsoft', 'work')}"}
    since = state.get("since") or "2026-01-01T00:00:00Z"
    msgs = http.get(f"{GRAPH}/me/messages", headers=h, params={"$filter": f"hasAttachments eq true and receivedDateTime gt {since}",
                    "$orderby": "receivedDateTime", "$select": "id,subject,from,receivedDateTime"}).json()["value"]
    report_fetched(len(msgs))
    if not msgs:
        return {"summary": "Nothing new"}
    posted = 0
    for m in msgs:
        for a in http.get(f"{GRAPH}/me/messages/{m['id']}/attachments", headers=h).json()["value"]:
            if a.get("isInline") or "contentBytes" not in a:
                continue
            item = http.put(f"{GRAPH}/me/drive/root:/Shared Inbox Files/{a['name']}:/content", headers=h,
                            data=base64.b64decode(a["contentBytes"])).json()
            html = f"📎 <a href='{item['webUrl']}'>{a['name']}</a> from {m['from']['emailAddress']['address']} — {m['subject']}"
            http.post(f"{GRAPH}/teams/{TEAM_ID}/channels/{CHANNEL_ID}/messages", headers=h, json={"body": {"contentType": "html", "content": html}})
            posted += 1
    state.set("since", msgs[-1]["receivedDateTime"])
    return {"posted": posted}