refactor: optimize structure, stability and runtime performance

db/email.py

@@ -5,6 +5,27 @@ from __future__ import annotations
 import db_pool
 
 
+def _to_bool_with_default(value, default: bool = True) -> bool:
+    if value is None:
+        return default
+    try:
+        return bool(int(value))
+    except Exception:
+        try:
+            return bool(value)
+        except Exception:
+            return default
+
+
+def _normalize_notify_enabled(enabled) -> int:
+    if isinstance(enabled, bool):
+        return 1 if enabled else 0
+    try:
+        return 1 if int(enabled) else 0
+    except Exception:
+        return 1
+
+
 def get_user_by_email(email):
     """根据邮箱获取用户"""
     with db_pool.get_db() as conn:
@@ -25,7 +46,7 @@ def update_user_email(user_id, email, verified=False):
             SET email = ?, email_verified = ?
             WHERE id = ?
             """,
-            (email, int(verified), user_id),
+            (email, 1 if verified else 0, user_id),
         )
         conn.commit()
         return cursor.rowcount > 0
@@ -42,7 +63,7 @@ def update_user_email_notify(user_id, enabled):
             SET email_notify_enabled = ?
             WHERE id = ?
             """,
-            (int(enabled), user_id),
+            (_normalize_notify_enabled(enabled), user_id),
         )
         conn.commit()
         return cursor.rowcount > 0
@@ -57,6 +78,6 @@ def get_user_email_notify(user_id):
             row = cursor.fetchone()
             if row is None:
                 return True
-            return bool(row[0]) if row[0] is not None else True
+            return _to_bool_with_default(row[0], default=True)
         except Exception:
             return True