Rendering code refactor

folkugat_web/dal/sql/temes/query.py

@@ -1,3 +1,5 @@
+from collections.abc import Iterable
+
 from folkugat_web.dal.sql import Connection, get_connection
 from folkugat_web.model import search as search_model
 from folkugat_web.model import temes as model
@@ -22,6 +24,21 @@ def get_tema_by_id(tema_id: int, con: Connection | None = None) -> model.Tema |
         return conversion.row_to_tema(row) if row else None
 
 
+def get_temes_by_ids(tema_ids: list[int], con: Connection | None = None) -> list[model.Tema]:
+    placeholders = ", ".join(["?" for _ in tema_ids])
+    query = f"""
+      SELECT
+        id, title, alternatives, creation_date, modification_date, hidden
+      FROM temes
+      WHERE id IN ({placeholders})
+    """
+    with get_connection(con) as con:
+        cur = con.cursor()
+        _ = cur.execute(query, tema_ids)
+        rows: Iterable[conversion.TemaRowTuple] = cur.fetchall()
+        return list(map(conversion.row_to_tema, rows))
+
+
 def evict_tema_id_to_ngrams_cache():
     global _tema_id_to_ngrams_cache
     _tema_id_to_ngrams_cache = None