From a67cc5f8126f3493e403b4dd7e3cee35db279c37 Mon Sep 17 00:00:00 2001
From: Lars <Lars@stommer.de>
Date: Fri, 24 Apr 2026 15:27:11 +0200
Subject: [PATCH] fix: exercises.py - use direct VARCHAR for age_groups (no
 catalog table in Shinkan)

---
 backend/routers/exercises.py | 27 ++++++++++++---------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/backend/routers/exercises.py b/backend/routers/exercises.py
index a873bda..0b3bcc0 100644
--- a/backend/routers/exercises.py
+++ b/backend/routers/exercises.py
@@ -142,16 +142,15 @@ def enrich_exercise_detail(exercise_id: int, cur) -> dict:
     )
     exercise["target_groups"] = [r2d(r) for r in cur.fetchall()]
 
-    # Age Groups (M:N) - nur Namen, nicht Objekte
+    # Age Groups (M:N) - direkt als VARCHAR gespeichert
     cur.execute(
-        """SELECT ag.name
-           FROM exercise_age_groups eag
-           JOIN age_groups ag ON eag.age_group_id = ag.id
-           WHERE eag.exercise_id = %s
-           ORDER BY ag.sort_order""",
+        """SELECT age_group
+           FROM exercise_age_groups
+           WHERE exercise_id = %s
+           ORDER BY age_group""",
         (exercise_id,)
     )
-    exercise["age_groups"] = [r["name"] for r in cur.fetchall()]
+    exercise["age_groups"] = [r["age_group"] for r in cur.fetchall()]
 
     # Skills (M:N) mit Levels und Intensity
     cur.execute(
@@ -226,19 +225,17 @@ def assign_exercise_relations(cur, conn, exercise_id: int, data: dict):
                 (exercise_id, tg["target_group_id"], tg.get("is_primary", False))
             )
 
-    # Age Groups (Namen → IDs lookup)
+    # Age Groups (direkt als VARCHAR, CHECK constraint validiert)
     if "age_groups" in data:
         cur.execute("DELETE FROM exercise_age_groups WHERE exercise_id = %s", (exercise_id,))
         for age_group_name in data["age_groups"]:
-            cur.execute("SELECT id FROM age_groups WHERE name ILIKE %s", (age_group_name,))
-            row = cur.fetchone()
-            if row:
+            try:
                 cur.execute(
-                    "INSERT INTO exercise_age_groups (exercise_id, age_group_id) VALUES (%s, %s)",
-                    (exercise_id, row[0])
+                    "INSERT INTO exercise_age_groups (exercise_id, age_group) VALUES (%s, %s)",
+                    (exercise_id, age_group_name)
                 )
-            else:
-                logger.warning("Age Group '%s' nicht im Katalog gefunden", age_group_name)
+            except Exception as e:
+                logger.warning("Age Group '%s' ungültig: %s", age_group_name, e)
 
     # Skills
     if "skills" in data: