fix(abonnement): garde active→pending, datetime parse, resolve_handle vide (#90)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DRGb8NAMwaTZxUszSbaj4N

src/subscriptions/db.py

@@ -102,7 +102,13 @@ def has_active_subscription(user_id: int) -> bool:
     if row["status"] in _ACCESS_STATUSES:
         return True
     if row["status"] == "cancelled" and row["current_period_end"]:
-        return row["current_period_end"] > _now()
+        try:
+            end = datetime.fromisoformat(
+                row["current_period_end"].replace("Z", "+00:00")
+            )
+            return end > datetime.now(timezone.utc)
+        except ValueError:
+            return False
     return False
 
 

src/subscriptions/plans.py

@@ -30,16 +30,20 @@ PLANS = {
 
 def resolve_handle(key: str) -> str | None:
     meta = PLANS.get(key)
-    return _handle(meta["env"]) if meta else None
+    if meta is None:
+        return None
+    h = _handle(meta["env"])
+    return h if h else None
 
 
 def plan_meta(key: str) -> dict | None:
     meta = PLANS.get(key)
     if meta is None:
         return None
+    h = _handle(meta["env"])
     return {
         "key": key,
-        "handle": _handle(meta["env"]),
+        "handle": h if h else None,
         "label": meta["label"],
         "prix_ht": meta["prix_ht"],
         "description": meta["description"],

src/subscriptions/routes.py

@@ -22,6 +22,9 @@ def subscribe():
         return "Plan inconnu", 400
 
     base = os.getenv("APP_BASE_URL", "")
+    if db.has_active_subscription(current_user.id):
+        return redirect(f"{base}/compte/abonnement")
+
     cust = _customer_handle(current_user.id)
     try:
         client.get_or_create_customer(cust, current_user.email)