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71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
from abc import ABC, abstractmethod
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from iti.applications.common import setup_logger
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from flask import current_app
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logger = setup_logger(__name__)
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class BaseEventHandler(ABC):
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"""
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事件处理器基类
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"""
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def __init__(self, order: int = 0, async_mode: bool = False):
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self.order = order
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self.async_mode = async_mode
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@abstractmethod
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def handle(self, data: any) -> any:
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"""
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处理事件
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"""
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pass
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def before_handle(self, data: any) -> any:
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"""
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处理事件前
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"""
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return data
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def after_handle(self, data: any) -> any:
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"""
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处理事件后
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"""
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return data
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def on_error(self, error: Exception, data: any) -> None:
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"""
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处理事件错误
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"""
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logger.error(f"事件处理错误: {error}, 数据: {data}", exc_info=True)
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class FlaskEventHandler(BaseEventHandler):
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"""Flask 事件处理器基类"""
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def __init__(self, order: int = 0, async_mode: bool = False):
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super().__init__(order, async_mode)
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self._app = None
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@property
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def app(self):
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"""获取 Flask 应用实例"""
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if self._app is None:
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self._app = current_app
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return self._app
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def handle(self, data: any) -> any:
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"""处理事件"""
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try:
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data = self.before_handle(data)
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result = self._do_handle(data)
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result = self.after_handle(result)
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return result
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except Exception as e:
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self.on_error(e, data)
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raise
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def _do_handle(self, data: any) -> any:
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"""实际处理逻辑"""
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pass
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