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celery/app/routers/oembed.py
giles a3437f0069
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Add nav-item + link-card fragments and oEmbed endpoint
- nav-item fragment handler with template
- link-card fragment handler with CID-based lookup, friendly names, batch mode
- oEmbed router at GET /oembed for media/recipe/effect/run content
- Fragment templates in app/templates/fragments/

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-24 21:44:13 +00:00

75 lines
2.1 KiB
Python

"""Art-DAG oEmbed endpoint.
Returns oEmbed JSON responses for Art-DAG content (media, recipes, effects, runs).
"""
import os
from fastapi import APIRouter, Request
from fastapi.responses import JSONResponse
router = APIRouter()
@router.get("/oembed")
async def oembed(request: Request):
url = request.query_params.get("url", "")
if not url:
return JSONResponse({"error": "url parameter required"}, status_code=400)
# Parse URL to extract content type and CID
# URL patterns: /cache/{cid}, /recipes/{cid}, /effects/{cid}, /runs/{cid}
from urllib.parse import urlparse
parsed = urlparse(url)
parts = [p for p in parsed.path.strip("/").split("/") if p]
if len(parts) < 2:
return JSONResponse({"error": "could not parse content URL"}, status_code=404)
content_type = parts[0].rstrip("s") # recipes -> recipe, runs -> run
cid = parts[1]
import database
title = cid[:16]
thumbnail_url = None
# Look up metadata
items = await database.get_item_types(cid)
if items:
meta = items[0]
title = meta.get("filename") or meta.get("description") or title
# Try friendly name
actor_id = meta.get("actor_id")
if actor_id:
friendly = await database.get_friendly_name_by_cid(actor_id, cid)
if friendly:
title = friendly.get("display_name") or friendly.get("base_name", title)
# Media items get a thumbnail
if meta.get("type") == "media":
artdag_url = os.getenv("APP_URL_ARTDAG", "https://celery-artdag.rose-ash.com")
thumbnail_url = f"{artdag_url}/cache/{cid}/raw"
elif content_type == "run":
run = await database.get_run_cache(cid)
if run:
title = f"Run {cid[:12]}"
artdag_url = os.getenv("APP_URL_ARTDAG", "https://celery-artdag.rose-ash.com")
resp = {
"version": "1.0",
"type": "link",
"title": title,
"provider_name": "art-dag",
"provider_url": artdag_url,
"url": url,
}
if thumbnail_url:
resp["thumbnail_url"] = thumbnail_url
return JSONResponse(resp)