59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
import json
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from typing import Any, Union
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from sqlalchemy.orm import Session
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from app.db import SessionLocal
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from app.db.models.systemconfig import SystemConfig
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from app.utils.object import ObjectUtils
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from app.utils.singleton import Singleton
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from app.utils.types import SystemConfigKey
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class SystemConfigs(metaclass=Singleton):
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# 配置对象
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__SYSTEMCONF: dict = {}
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_db: Session = None
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def __init__(self, _db=SessionLocal()):
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"""
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加载配置到内存
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"""
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self._db = _db
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for item in SystemConfig.list(self._db):
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if ObjectUtils.is_obj(item.value):
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self.__SYSTEMCONF[item.key] = json.loads(item.value)
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else:
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self.__SYSTEMCONF[item.key] = item.value
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def set(self, key: Union[str, SystemConfigKey], value: Any):
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"""
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设置系统设置
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"""
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if isinstance(key, SystemConfigKey):
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key = key.value
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# 更新内存
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self.__SYSTEMCONF[key] = value
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# 写入数据库
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if ObjectUtils.is_obj(value):
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if value is not None:
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value = json.dumps(value)
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else:
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value = ''
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conf = SystemConfig.get_by_key(self._db, key)
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if conf:
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conf.update(self._db, {"value": value})
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else:
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conf = SystemConfig(key=key, value=value)
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conf.create(self._db)
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def get(self, key: Union[str, SystemConfigKey] = None):
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"""
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获取系统设置
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"""
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if isinstance(key, SystemConfigKey):
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key = key.value
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if not key:
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return self.__SYSTEMCONF
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return self.__SYSTEMCONF.get(key)
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