Import L1 (celery) as l1/

l1/app/routers/fragments.py

@@ -0,0 +1,143 @@
+"""
+Art-DAG fragment endpoints.
+
+Exposes HTML fragments at ``/internal/fragments/{type}`` for consumption
+by coop apps via the fragment client.
+"""
+
+import os
+
+from fastapi import APIRouter, Request, Response
+
+router = APIRouter()
+
+# Registry of fragment handlers: type -> async callable(request) returning HTML str
+_handlers: dict[str, object] = {}
+
+FRAGMENT_HEADER = "X-Fragment-Request"
+
+
+@router.get("/internal/fragments/{fragment_type}")
+async def get_fragment(fragment_type: str, request: Request):
+    if not request.headers.get(FRAGMENT_HEADER):
+        return Response(content="", status_code=403)
+
+    handler = _handlers.get(fragment_type)
+    if handler is None:
+        return Response(content="", media_type="text/html", status_code=200)
+    html = await handler(request)
+    return Response(content=html, media_type="text/html", status_code=200)
+
+
+# --- nav-item fragment ---
+
+async def _nav_item_handler(request: Request) -> str:
+    from artdag_common import render_fragment
+
+    templates = request.app.state.templates
+    artdag_url = os.getenv("APP_URL_ARTDAG", "https://celery-artdag.rose-ash.com")
+    return render_fragment(templates, "fragments/nav_item.html", artdag_url=artdag_url)
+
+
+_handlers["nav-item"] = _nav_item_handler
+
+
+# --- link-card fragment ---
+
+async def _link_card_handler(request: Request) -> str:
+    from artdag_common import render_fragment
+    import database
+
+    templates = request.app.state.templates
+    cid = request.query_params.get("cid", "")
+    content_type = request.query_params.get("type", "media")
+    slug = request.query_params.get("slug", "")
+    keys_raw = request.query_params.get("keys", "")
+
+    # Batch mode: return multiple cards separated by markers
+    if keys_raw:
+        keys = [k.strip() for k in keys_raw.split(",") if k.strip()]
+        parts = []
+        for key in keys:
+            parts.append(f"<!-- fragment:{key} -->")
+            card_html = await _render_single_link_card(
+                templates, key, content_type,
+            )
+            parts.append(card_html)
+        return "\n".join(parts)
+
+    # Single mode: use cid or slug
+    lookup_cid = cid or slug
+    if not lookup_cid:
+        return ""
+    return await _render_single_link_card(templates, lookup_cid, content_type)
+
+
+async def _render_single_link_card(templates, cid: str, content_type: str) -> str:
+    import database
+    from artdag_common import render_fragment
+
+    if not cid:
+        return ""
+
+    artdag_url = os.getenv("APP_URL_ARTDAG", "https://celery-artdag.rose-ash.com")
+
+    # Try item_types first (has metadata)
+    item = await database.get_item_types(cid)
+    # get_item_types returns a list; pick best match for content_type
+    meta = None
+    if item:
+        for it in item:
+            if it.get("type") == content_type:
+                meta = it
+                break
+        if not meta:
+            meta = item[0]
+
+    # Try friendly name for display
+    friendly = None
+    if meta and meta.get("actor_id"):
+        friendly = await database.get_friendly_name_by_cid(meta["actor_id"], cid)
+
+    # Try run cache if type is "run"
+    run = None
+    if content_type == "run":
+        run = await database.get_run_cache(cid)
+
+    title = ""
+    description = ""
+    link = ""
+
+    if friendly:
+        title = friendly.get("display_name") or friendly.get("base_name", cid[:12])
+    elif meta:
+        title = meta.get("filename") or meta.get("description", cid[:12])
+    elif run:
+        title = f"Run {cid[:12]}"
+    else:
+        title = cid[:16]
+
+    if meta:
+        description = meta.get("description", "")
+
+    if content_type == "run":
+        link = f"{artdag_url}/runs/{cid}"
+    elif content_type == "recipe":
+        link = f"{artdag_url}/recipes/{cid}"
+    elif content_type == "effect":
+        link = f"{artdag_url}/effects/{cid}"
+    else:
+        link = f"{artdag_url}/cache/{cid}"
+
+    return render_fragment(
+        templates, "fragments/link_card.html",
+        title=title,
+        description=description,
+        link=link,
+        cid=cid,
+        content_type=content_type,
+        artdag_url=artdag_url,
+    )
+
+
+_handlers["link-card"] = _link_card_handler