reassign tvseason to show.

catalog/templates/catalog_edit.html

@@ -76,7 +76,7 @@
                 {% if not item.show or request.user.is_superuser %}
                 <div class="action-panel__label">{% trans '将本季关联到电视剧' %} </div>
                 <div class="action-panel__button-group">
-                  <form method="post" action="{% url 'catalog:assign_parent' item.url_path item.uuid %}" onsubmit="return confirm('本操作不可撤销。确认合并吗？');">
+                  <form method="post" action="{% url 'catalog:assign_parent' item.url_path item.uuid %}" onsubmit="return confirm('本操作不可撤销。确认关联吗？');">
                     {% csrf_token %}
                     <input type="url" name="parent_item_url" placeholder="目标条目URL" value="{{ item.show.absolute_url }}" required><br>
                     <input class="button" type="submit" value="{% trans '提交' %}">

catalog/views.py

@@ -230,13 +230,13 @@ def assign_parent(request, item_path, item_uuid):
     if request.method != "POST":
         raise BadRequest()
     item = get_object_or_404(Item, uid=get_uuid_or_404(item_uuid))
-    if not request.user.is_superuser and not item.deletable:
-        raise PermissionDenied()
     new_item = Item.get_by_url(request.POST.get("parent_item_url"))
     if not new_item or new_item.is_deleted or new_item.merged_to_item_id:
         raise BadRequest("Can't assign parent to a deleted or redirected item")
     if item.__class__ != TVSeason or new_item.__class__ != TVShow:
         raise BadRequest("Can't assign parent for this item")
+    if not request.user.is_superuser and item.show:
+        raise PermissionDenied()
     _logger.warn(f"{request.user} assign {item} to {new_item}")
     item.show = new_item
     item.save(update_fields=["show"])