#3 トランザクションの追加

config.py

@@ -3,6 +3,8 @@ from __future__ import annotations
 import os
 from typing import TypedDict
 
+from eloquent import DatabaseManager, Model  # type: ignore
+
 CONFIG: dict[str, DbConfig] = { 'mysql': { 'driver':    'mysql',
                                            'host':      'localhost',
                                            'database':  'nizika_ai',
@@ -10,6 +12,9 @@ CONFIG: dict[str, DbConfig] = { 'mysql': { 'driver':    'mysql',
                                            'password':  os.environ['MYSQL_PASS'],
                                            'prefix':    '' } }
 
+DB = DatabaseManager (CONFIG)
+Model.set_connection_resolver (DB)
+
 
 class DbConfig (TypedDict):
     driver:     str

models.py

@@ -4,6 +4,8 @@ from datetime import datetime
 
 from eloquent import Model  # type: ignore
 
+from config import DB
+
 
 class AnsweredFlag (Model):
     id:         int

queries_to_answers.py

@@ -4,9 +4,7 @@ import random
 from datetime import datetime
 from typing import cast
 
-from eloquent import DatabaseManager, Model  # type: ignore
-
-from config import CONFIG
+from config import DB
 from consts import Character
 from models import Answer, Query, User
 from talk import Talk
@@ -14,8 +12,7 @@ from talk import Talk
 
 def main (
 ) -> None:
-    db = DatabaseManager (CONFIG)
-    Model.set_connection_resolver (db)
+    DB.begin_transaction ()
     queries: list[Query] = Query.where ('answered', False).get ()
     if not queries:
         return
@@ -53,6 +50,7 @@ def main (
         answer.save ()
     query.answered = True
     query.save ()
+    DB.commit ()
 
 
 if __name__ == '__main__':