Afegir metadades per quan es comparteixen enllaços

folkugat_web/api/routes/playlist/set_page.py

@@ -1,12 +1,22 @@
-from fastapi import Request
+from fastapi import HTTPException, Request
 from folkugat_web.api.router import get_router
 from folkugat_web.fragments import set_page
+from folkugat_web.model import playlists
 from folkugat_web.services import auth
+from folkugat_web.services import playlists as playlists_service
 from folkugat_web.templates import templates
 
 router = get_router()
 
 
+def set_description(set_: playlists.Set) -> str:
+    tema_names = [tis.tema.title if tis.tema else "Desconegut" for tis in set_.temes]
+    return " i ".join(filter(bool, [
+        ", ".join(tema_names[:-1]),
+        tema_names[-1]
+    ]))
+
+
 @router.get("/playlist/{playlist_id}/set/{set_id}")
 def page(
     request: Request,
@@ -14,11 +24,16 @@ def page(
     playlist_id: int,
     set_id: int,
 ):
+    set_ = playlists_service.get_set(playlist_id=playlist_id, set_id=set_id)
+    if not set_:
+        raise HTTPException(status_code=404, detail="Set not found")
+    set_ = playlists_service.add_temes_to_set(set_)
     return templates.TemplateResponse(
         "index.html",
         {
             "request": request,
-            "page_title": "Folkugat",
+            "page_title": "Folkugat - Set",
+            "page_description": set_description(set_=set_),
             "content": f"/api/content/playlist/{playlist_id}/set/{set_id}",
             "logged_in": logged_in,
         }