title_with_video/server/api/response.py

"""
@author: luojunhui
"""
import json
import uuid
import time
import random
import hashlib
import urllib.parse

from applications.log import logging


class Response(object):
    """
    Response
    """
    REQUEST_INIT_STATUS = 0
    REQUEST_SUCCESS_STATUS = 1
    REQUEST_PROCESSING_TASK = 101
    TASK_MAX_PROCESS_TIMES = 3

    def __init__(self, params, mysql_client, config):
        """
        Response 接口
        """
        self.trace_id = None
        self.mini_program_type = None
        self.mysql_client = mysql_client
        self.params = params
        self.article_match_video_table = config.article_match_video_table
        self.mini_program_map = json.loads(config.get_config_value("miniMap"))

    def check_params(self):
        """
        请求参数校验
        :return:
        """
        try:
            self.mini_program_type = self.params['miniprogramUseType']
            self.trace_id = self.params['traceId']
            return None
        except Exception as e:
            return {
                "error": "params error",
                "message": str(e),
                "info": self.params
            }

    async def get_videos_result(self):
        """
        获取结果
        :return:
        """
        select_sql = f"""
        SELECT gh_id, content_status, response, process_times
        FROM {self.article_match_video_table}
        WHERE trace_id = '{self.trace_id}';
        """
        info_tuple = await self.mysql_client.async_select(select_sql)
        gh_id, content_status, response, process_times = info_tuple[0]
        return {
            "gh_id": gh_id,
            "content_status": content_status,
            "response": response,
            "process_times": process_times
        }

    def create_gzh_path(self, video_id, shared_uid, gh_id):
        """
        :param gh_id: 公众号账号的gh_id
        :param video_id: 视频 id
        :param shared_uid: 分享 id
        """

        def generate_source_id():
            """
            generate_source_id
            :return:
            """
            timestamp = str(int(time.time() * 1000))
            random_str = str(random.randint(1000, 9999))
            hash_input = f"{timestamp}-{random_str}"
            return hashlib.md5(hash_input.encode()).hexdigest()

        root_share_id = str(uuid.uuid4())
        if self.mini_program_type == 2:
            source_id = (
                    "touliu_tencentGzhArticle_{}_".format(gh_id) + generate_source_id()
            )
        elif self.mini_program_type == 1:
            source_id = "longArticles_" + generate_source_id()
        elif self.mini_program_type == 3:
            source_id = "WeCom_" + generate_source_id()
        else:
            source_id = "Error mini_program_type {}".format(self.mini_program_type)
        url = f"pages/user-videos?id={video_id}&su={shared_uid}&fromGzh=1&rootShareId={root_share_id}&shareId={root_share_id}&rootSourceId={source_id}"
        # 自动把 root_share_id 加入到白名单
        # auto_white(root_share_id)
        return (
            root_share_id,
            source_id,
            f"pages/category?jumpPage={urllib.parse.quote(url, safe='')}",
        )

    async def generate_single_card(self, index, gh_id, mini_id, item):
        """
        生成单个分享卡片
        :param item: 单个视频结果
        :param mini_id:  小程序 appType
        :param gh_id: 公众号 id
        :param index: 视频位置
        :return:
        """
        str_mini_id = str(mini_id)
        mini_info = self.mini_program_map[str_mini_id]
        avatar, app_id, app_name = mini_info['avatar'], mini_info['id'], mini_info['name']
        root_share_id, root_source_id, production_path = self.create_gzh_path(
            video_id=item['videoId'],
            shared_uid=item['uid'],
            gh_id=gh_id
        )
        logging(
            code="1002",
            info="root_share_id --{}, productionPath -- {}".format(
                root_share_id, production_path
            ),
            function="process",
            trace_id=self.trace_id,
        )
        result = {
            "productionCover": item['videoCover'],
            "productionName": item['kimiTitle'],
            "programAvatar": avatar,
            "programId": app_id,
            "programName": app_name,
            "source": item['source'],
            "rootShareId": root_share_id,
            "productionPath": production_path,
            "videoUrl": item['videoPath'],
            "mini_id": mini_id,
            "paragraphPosition": index * 0.25
        }
        if index == 1:
            result['paragraphPosition'] = 0.01
        item['rootSourceId'] = root_source_id
        return result, item

    async def generate_cards(self, result):
        """
        生成返回卡片
        :return:
        """
        gh_id = result['gh_id']
        response = json.loads(result['response'])
        touliu_mini_program_id = 33
        we_com_mini_program_id = 27
        match self.mini_program_type:
            case 1:
                L = []
                new_item_list = []
                for index, item in enumerate(response, 1):
                    random_num = random.randint(1, 10)
                    if random_num in [1, 2, 3, 4, 5, 6]:
                        long_articles_mini_program_id = 25
                    elif random_num in [7, 8]:
                        long_articles_mini_program_id = 29
                    else:
                        long_articles_mini_program_id = 31
                    card, new_item = await self.generate_single_card(index, gh_id, long_articles_mini_program_id, item)
                    L.append(card)
                    new_item_list.append(new_item)
                return L, new_item_list
            case 2:
                L = []
                new_item_list = []
                for index, item in enumerate(response, 1):
                    card, new_item = await self.generate_single_card(index, gh_id, touliu_mini_program_id, item)
                    L.append(card)
                    new_item_list.append(new_item)
                return L, new_item_list
            case 3:
                L = []
                new_item_list = []
                for index, item in enumerate(response, 1):
                    card, new_item = await self.generate_single_card(index, gh_id, we_com_mini_program_id, item)
                    L.append(card)
                    new_item_list.append(card)
                return L, new_item_list

    async def job(self):
        """
        执行方法
        :return:
        """
        response = await self.get_videos_result()
        status_code = response.get('content_status')
        process_times = response.get('process_times')
        match status_code:
            case 0:
                if process_times > self.TASK_MAX_PROCESS_TIMES:
                    result = {
                        "traceId": self.trace_id,
                        "code": 0,
                        "error": "匹配失败，处理超过 3 次"
                    }
                else:
                    result = {
                        "traceId": self.trace_id,
                        "code": 0,
                        "message": "该请求还没处理"
                    }
                return result
            case 1:
                return {
                    "traceId": self.trace_id,
                    "code": 1,
                    "message": "已经执行完kimi"
                }
            case 2:
                return {
                    "traceId": self.trace_id,
                    "code": 2,
                    "message": "已经执行完爬虫"
                }
            case 3:
                return {
                    "traceId": self.trace_id,
                    "code": 3,
                    "message": "已经执行完 etl"
                }
            case 4:
                # 修改任务状态为处理中
                update_sql = f"""
                    UPDATE {self.article_match_video_table}
                    SET success_status = %s
                    WHERE success_status = %s and trace_id = %s;
                """
                affected_rows = await self.mysql_client.async_insert(
                    sql=update_sql,
                    params=(
                        self.REQUEST_PROCESSING_TASK,
                        self.REQUEST_INIT_STATUS,
                        self.trace_id
                    )
                )
                if affected_rows == 0:
                    return {
                        "traceId": self.trace_id,
                        "info": "并发任务抢占锁失败",
                        "message": "该 trace_id 正在处理中或者已经处理完成"
                    }
                card_list, new_items = await self.generate_cards(result=response)
                update_sql = f"""
                    UPDATE {self.article_match_video_table}
                    SET response = %s, success_status = %s
                    WHERE trace_id = %s and success_status = %s;
                """
                await self.mysql_client.async_insert(
                    sql=update_sql,
                    params=(
                        json.dumps(new_items, ensure_ascii=False),
                        self.REQUEST_SUCCESS_STATUS,
                        self.trace_id,
                        self.REQUEST_PROCESSING_TASK
                    )
                )
                return {
                    "traceId": self.trace_id,
                    "miniprogramList": card_list
                }
            case 99:
                return {
                    "traceId": self.trace_id,
                    "code": 99,
                    "error": "该任务执行失败"
                }
            case 101:
                return {
                    "traceId": self.trace_id,
                    "code": 101,
                    "message": "该任务正在执行中"
                }

    async def deal(self):
        """
        api process starts from here
        :return:
        """
        params_error = self.check_params()
        if params_error:
            return params_error
        else:
            return await self.job()