Move unspread fertilization entries on variety change

backend/apps/plans/services.py

@@ -59,7 +59,12 @@ def handle_plan_variety_change(plan: Plan, *, old_variety, new_variety, reason:
 
 
 def process_plan_variety_change(change: PlanVarietyChange):
-    """後続 issue で施肥計画・田植え計画への移動処理を追加する入口。"""
+    from apps.fertilizer.services import move_unspread_entries_for_variety_change
+
+    moved_count = move_unspread_entries_for_variety_change(change)
+    if moved_count != change.moved_entry_count:
+        change.moved_entry_count = moved_count
+        change.save(update_fields=['moved_entry_count'])
     return change