"""
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L2成交数据处理器
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"""
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import json
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from db import redis_manager
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from db.redis_manager_delegate import RedisUtils
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from log_module import async_log_util
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from log_module.log import hx_logger_l2_transaction_desc
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from utils import tool
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class HuaXinTransactionDataManager:
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__db = 0
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__instance = None
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__redis_manager = redis_manager.RedisManager(0)
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# 正在成交的订单
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__dealing_order_info_dict = {}
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# 最近成交的订单{"code":(订单号，是否成交完成)}
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__latest_deal_order_info_dict = {}
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def __new__(cls, *args, **kwargs):
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if not cls.__instance:
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cls.__instance = super(HuaXinTransactionDataManager, cls).__new__(cls, *args, **kwargs)
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cls.__load_datas()
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return cls.__instance
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@classmethod
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def __get_redis(cls):
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return cls.__redis_manager.getRedis()
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@classmethod
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def __load_datas(cls):
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__redis = cls.__get_redis()
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try:
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keys = RedisUtils.keys(__redis, "dealing_order_info-*")
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for k in keys:
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code = k.split("-")[-1]
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val = RedisUtils.get(__redis, k)
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val = json.loads(val)
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tool.CodeDataCacheUtil.set_cache(cls.__dealing_order_info_dict, code, val)
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finally:
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RedisUtils.realse(__redis)
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# 将数据持久化到数据库
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def sync_dealing_data_to_db(self):
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for code in self.__dealing_order_info_dict:
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RedisUtils.setex(self.__get_redis(), f"dealing_order_info-{code}", tool.get_expire(),
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json.dumps(self.__dealing_order_info_dict[code]))
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# 获取代码正在成交的信息
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# 返回数据：[订单号，总股数，开始成交时间，结束成交时间, 总买]
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@classmethod
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def get_dealing_order_info(cls, code):
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return cls.__dealing_order_info_dict.get(code)
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# 统计成交的情况
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@classmethod
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def statistic_deal_desc(cls, code, data, total_buy_num):
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if code not in cls.__dealing_order_info_dict:
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# 数据格式[订单号，总股数，开始成交时间，结束成交时间, 总买]
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cls.__dealing_order_info_dict[code] = [data[6], 0, data[3], data[3], total_buy_num]
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if cls.__dealing_order_info_dict[code][0] == data[6]:
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# 成交同一个订单号
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cls.__dealing_order_info_dict[code][1] += data[2]
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cls.__dealing_order_info_dict[code][3] = data[3]
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else:
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# 保存上一条数据
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async_log_util.info(hx_logger_l2_transaction_desc, f"{code}#{cls.__dealing_order_info_dict[code]}")
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# 设置最近成交完成的一条数据
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deal_info = (
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cls.__dealing_order_info_dict[code][0],
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cls.__dealing_order_info_dict[code][4] == cls.__dealing_order_info_dict[code][1])
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cls.__latest_deal_order_info_dict[code] = deal_info
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# 初始化本条数据
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cls.__dealing_order_info_dict[code] = [data[6], data[2], data[3], data[3], total_buy_num]
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return deal_info
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return None
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