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refactor：重构配置热加载

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jxxghp
2025-06-03 20:56:21 +08:00
parent 5f18a21e86
commit b4ed2880f7
18 changed files with 291 additions and 80 deletions
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22
app/db/systemconfig_oper.py
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@@ -1,5 +1,6 @@
from typing import Any, Union
from app.core.config import ConfigChangeEvent, config_notifier, ConfigChangeType
from app.db import DbOper
from app.db.models.systemconfig import SystemConfig
from app.schemas.types import SystemConfigKey
@@ -24,17 +25,32 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
"""
if isinstance(key, SystemConfigKey):
key = key.value
# 旧值
old_value = self.__SYSTEMCONF.get(key)
# 更新内存
self.__SYSTEMCONF[key] = value
conf = SystemConfig.get_by_key(self._db, key)
if conf:
if value:
conf.update(self._db, {"value": value})
# 发送配置变更通知
if old_value != value:
event = ConfigChangeEvent(key, old_value=old_value, new_value=value,
change_type=ConfigChangeType.UPDATE)
config_notifier.notify(event)
else:
conf.delete(self._db, conf.id)
# 发送配置删除通知
event = ConfigChangeEvent(key, old_value=old_value, new_value=None,
change_type=ConfigChangeType.DELETE)
config_notifier.notify(event)
else:
conf = SystemConfig(key=key, value=value)
conf.create(self._db)
# 发送配置变更通知
event = ConfigChangeEvent(key, old_value=None, new_value=value,
change_type=ConfigChangeType.ADD)
config_notifier.notify(event)
def get(self, key: Union[str, SystemConfigKey] = None) -> Any:
"""
@@ -59,11 +75,15 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
if isinstance(key, SystemConfigKey):
key = key.value
# 更新内存
self.__SYSTEMCONF.pop(key, None)
old_value = self.__SYSTEMCONF.pop(key, None)
# 写入数据库
conf = SystemConfig.get_by_key(self._db, key)
if conf:
conf.delete(self._db, conf.id)
# 发送配置变更通知
event = ConfigChangeEvent(key, old_value=old_value, new_value=None,
change_type=ConfigChangeType.ADD)
config_notifier.notify(event)
return True
def __del__(self):