title_with_video/applications/schedule/search_schedule.py

"""
@author: luojunhui
调用接口在微信内搜索视频
"""
import asyncio

from applications.search import *
from applications.static.config import gh_id_dict
from applications.functions.log import logging
from applications.functions.video_item import VideoProducer
from applications.functions.async_etl import AsyncETL
from applications.functions.mysql import select_sensitive_words


class SearchABTest(object):
    """
    搜索策略实验方案
    """

    ori_title = None
    article_summary = None
    article_keys = None
    gh_id = None
    trace_id = None

    def __init__(self, info, gh_id):
        SearchABTest.set_class_properties(info, gh_id)

    @classmethod
    def set_class_properties(cls, info, gh_id):
        """
        初始化搜索策略实验类
        :param info: kimi 挖掘的基本信息
        :param gh_id: 公众号账号 id
        :return:
        """
        cls.ori_title = info["ori_title"]
        cls.article_summary = info["content_title"]
        cls.article_keys = info["content_keys"]
        cls.trace_id = info["trace_id"]
        cls.gh_id = gh_id

    @classmethod
    async def base_line(cls):
        """
        兜底策略
        """
        result = await SearchMethod().search_v0(
            text=cls.article_keys[0],
            trace_id=cls.trace_id
        )
        if result:
            return result
        else:
            sub_result = await SearchMethod().search_v0(
                text=cls.article_keys[1],
                trace_id=cls.trace_id)
            if sub_result:
                return sub_result
            else:
                return await SearchMethod().search_v0(
                    text=cls.article_keys[2],
                    trace_id=cls.trace_id
                )

    @classmethod
    async def ab_0(cls):
        """
        默认原标题搜索
        :return:
        """
        search_result = await SearchMethod().search_v0(
            text=cls.ori_title,
            trace_id=cls.trace_id
        )
        if search_result:
            return search_result
        else:
            return await cls.base_line()

    @classmethod
    async def ab_1(cls):
        """
        使用 content_summary搜索
        :return:
        """
        search_result = await SearchMethod().search_v0(
            text=cls.article_summary,
            trace_id=cls.trace_id
        )
        if search_result:
            return search_result
        else:
            return await cls.ab_0()

    @classmethod
    async def ab_2(cls):
        """
        使用文本关键词搜索
        :return:
        """
        search_result = await SearchMethod().search_v0(
            text=",".join(cls.article_keys[0]),
            trace_id=cls.trace_id
        )
        if search_result:
            return search_result
        else:
            return await cls.base_line()

    @classmethod
    async def ab_3(cls):
        """
        使用文本关键词搜索
        :return:
        """
        search_result = await SearchMethod().search_v0(
            text=",".join(cls.article_keys[1]),
            trace_id=cls.trace_id
        )
        if search_result:
            return search_result
        else:
            return await cls.base_line()

    @classmethod
    async def ab_4(cls):
        """
        使用文本关键词搜索
        :return:
        """
        search_result = await SearchMethod().search_v0(
            text=",".join(cls.article_keys[3]),
            trace_id=cls.trace_id
        )
        if search_result:
            return search_result
        else:
            return await cls.base_line()


class SearchMethod(object):
    """
    搜索召回模式
    """
    s_words = select_sensitive_words()

    @classmethod
    async def search_v0(cls, text, trace_id):
        """
        搜索顺序-wx --> baidu --> xigua
        一共需要返回三条视频
        :return:
        """
        wx_result = wx_search(keys=text, sensitive_words=cls.s_words)
        if wx_result:
            return {"platform": "wx_search", "result": wx_result[0]}
        else:
            logging(
                code="7001",
                info="通过微信搜索失败---{}".format(text),
                trace_id=trace_id,
            )
            # 微信搜不到的话，采用好看视频搜索
            baidu_result = hksp_search(key=text, sensitive_words=cls.s_words)
            if baidu_result:
                return {"platform": "baidu_search", "result": baidu_result[0]}
            else:
                # 若好看视频未搜到，则采用西瓜搜索
                logging(
                    code="7001",
                    info="通过baidu搜索失败---{}".format(text),
                    trace_id=trace_id,
                )
                xigua_result = xigua_search(keyword=text, sensitive_words=cls.s_words)
                if xigua_result:
                    return {"platform": "xg_search", "result": xigua_result[0]}
                else:
                    logging(
                        code="7001",
                        info="通过西瓜搜索失败---{}, 启用兜底方式".format(text),
                        trace_id=trace_id,
                    )
                    return None


async def video_sender(video_obj, user, trace_id, platform):
    """
    异步处理微信 video_obj
    公众号和站内账号一一对应
    :param platform:
    :param user:
    :param trace_id:
    :param video_obj:
    :return:
    """
    # ETL_MQ = MQ(topic_name="topic_crawler_etl_prod")
    Video = VideoProducer()
    if platform == "xg_search":
        mq_obj = Video.xg_video_producer(
            video_obj=video_obj,
            user=user,
            trace_id=trace_id,
        )
    elif platform == "baidu_search":
        mq_obj = Video.baidu_video_producer(
            video_obj=video_obj,
            user=user,
            trace_id=trace_id,
        )
    elif platform == "wx_search":
        mq_obj = Video.wx_video_producer(
            video_obj=video_obj,
            user=user,
            trace_id=trace_id,
        )
    else:
        mq_obj = {}
    AE = AsyncETL(video_obj=mq_obj)
    video_id = await AE.etl_deal()
    logging(
        code="6002",
        info="视频下载完成",
        data=mq_obj,
        trace_id=trace_id
    )
    return video_id


async def search_videos(kimi_info, trace_id, gh_id, mysql_client):
    """
    search and send msg to ETL
    :param mysql_client:
    :param kimi_info:
    :param gh_id: 通过账号 id 来控制实验策略
    :param trace_id:
    :return:
    """
    kimi_info["trace_id"] = trace_id
    SearchAB = SearchABTest(info=kimi_info, gh_id=gh_id)
    recall_obj_1 = await SearchAB.ab_1()
    await asyncio.sleep(3)
    recall_obj_2 = await SearchAB.ab_2()
    await asyncio.sleep(3)
    recall_obj_3 = await SearchAB.ab_3()
    recall_list = [recall_obj_1, recall_obj_2, recall_obj_3]
    un_empty_list = [i for i in recall_list if i]
    if len(un_empty_list) < 3:
        await asyncio.sleep(3)
        recall_obj_4 = await SearchAB.ab_4()
        un_empty_list.append(recall_obj_4)

    # 逐条下载，逐条写表
    if un_empty_list:
        for index, recall_obj in enumerate(un_empty_list, 1):
            platform = recall_obj["platform"]
            recall_video = recall_obj["result"]
            if recall_video:
                logging(
                    code="7002",
                    info="视频搜索成功, 搜索平台为--{}".format(platform),
                    trace_id=trace_id,
                    data=recall_video,
                )
                video_id = await video_sender(
                    video_obj=recall_video,
                    user=gh_id_dict.get(gh_id),
                    trace_id=trace_id,
                    platform=platform,
                )
                update_id_sql = f"""
                UPDATE long_articles_video_dev
                SET
                recall_video_id{index} = {video_id}
                WHERE
                trace_id = '{trace_id}'
                """
                print(update_id_sql)
                await mysql_client.async_insert(update_id_sql)
    else:
        logging(code="7003", info="视频搜索失败", trace_id=trace_id)
        return None