267 lines
11 KiB
Python
267 lines
11 KiB
Python
from typing import Dict
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from fastapi import Request
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from app.chain import _ChainBase
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from app.chain.common import *
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from app.chain.search import SearchChain
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from app.core import MediaInfo, TorrentInfo, MetaInfo
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from app.db.subscribes import Subscribes
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from app.log import logger
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from app.utils.types import EventType
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class UserMessageChain(_ChainBase):
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"""
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外来消息处理链
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"""
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# 缓存的用户数据 {userid: {type: str, items: list}}
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_user_cache: Dict[str, dict] = {}
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# 每页数据量
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_page_size: int = 8
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# 当前页面
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_current_page: int = 0
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# 当前元数据
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_current_meta: Optional[MetaInfo] = None
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# 当前媒体信息
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_current_media: Optional[MediaInfo] = None
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def __init__(self):
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super().__init__()
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self.common = CommonChain()
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self.subscribes = Subscribes()
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self.searchchain = SearchChain()
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def process(self, request: Request, *args, **kwargs) -> None:
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"""
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识别消息内容，执行操作
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"""
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# 获取消息内容
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info: dict = self.run_module('message_parser', request=request)
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if not info:
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return
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# 用户ID
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userid = info.get('userid')
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if not userid:
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logger.debug(f'未识别到用户ID：{request}')
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return
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# 消息内容
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text = str(info.get('text')).strip() if info.get('text') else None
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if not text:
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logger.debug(f'未识别到消息内容：{request}')
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return
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logger.info(f'收到用户消息内容，用户：{userid}，内容：{text}')
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if text.startswith('/'):
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# 执行命令
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self.eventmanager.send_event(
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EventType.CommandExcute,
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{
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"cmd": text
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}
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)
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elif text.isdigit():
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# 缓存
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cache_data: dict = self._user_cache.get(userid)
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# 选择项目
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if not cache_data \
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or not cache_data.get('items') \
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or len(cache_data.get('items')) < int(text):
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# 发送消息
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self.common.post_message(title="输入有误！", userid=userid)
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return
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# 缓存类型
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cache_type: str = cache_data.get('type')
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# 缓存列表
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cache_list: list = cache_data.get('items')
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# 选择
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if cache_type == "Search":
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mediainfo: MediaInfo = cache_list[int(text) - 1]
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self._current_media = mediainfo
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# 检查是否已存在
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exists: list = self.run_module('media_exists', mediainfo=mediainfo)
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if exists:
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# 已存在
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self.common.post_message(
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title=f"{mediainfo.type.value} {mediainfo.get_title_string()} 媒体库中已存在", userid=userid)
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return
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# 搜索种子
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contexts = self.searchchain.process(meta=self._current_meta, mediainfo=mediainfo)
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if not contexts:
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# 没有数据
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self.common.post_message(title=f"{mediainfo.title} 未搜索到资源！", userid=userid)
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return
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# 更新缓存
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self._user_cache[userid] = {
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"type": "Torrent",
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"items": contexts
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}
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self._current_page = 0
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# 发送种子数据
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self.__post_torrents_message(items=contexts[:self._page_size], userid=userid)
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elif cache_type == "Subscribe":
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# 订阅媒体
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mediainfo: MediaInfo = cache_list[int(text) - 1]
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self._current_media = mediainfo
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state, msg = self.subscribes.add(mediainfo,
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season=self._current_meta.begin_season,
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episode=self._current_meta.begin_episode)
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if state:
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# 订阅成功
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self.common.post_message(
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title=f"{mediainfo.get_title_string()} 已添加订阅",
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image=mediainfo.get_message_image(),
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userid=userid)
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else:
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# 订阅失败
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self.common.post_message(title=f"{mediainfo.title} 添加订阅失败：{msg}", userid=userid)
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elif cache_type == "Torrent":
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if int(text) == 0:
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# 自动选择下载
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# 查询缺失的媒体信息
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exist_flag, no_exists = self.common.get_no_exists_info(mediainfo=self._current_media)
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if exist_flag:
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self.common.post_message(title=f"{self._current_media.get_title_string()} 媒体库中已存在",
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userid=userid)
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return
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# 批量下载
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self.common.batch_download(contexts=cache_list, need_tvs=no_exists, userid=userid)
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else:
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# 下载种子
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torrent: TorrentInfo = cache_list[int(text) - 1]
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# 识别种子信息
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meta = MetaInfo(torrent.title)
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# 预处理种子
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torrent_file, msg = self.run_module("prepare_torrent", torrentinfo=torrent)
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if not torrent_file:
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# 下载失败
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self.run_module('post_message',
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title=f"{torrent.title} 种子下载失败！",
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text=f"错误信息：{msg}\n种子链接：{torrent.enclosure}",
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userid=userid)
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return
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# 添加下载
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state, msg = self.run_module("download_torrent",
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torrent_path=torrent_file,
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mediainfo=self._current_media)
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if not state:
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# 下载失败
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self.common.post_message(title=f"{torrent.title} 添加下载失败！",
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text=f"错误信息：{msg}",
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userid=userid)
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return
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# 下载成功，发送通知
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self.common.post_download_message(meta=meta, mediainfo=self._current_media, torrent=torrent)
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elif text.lower() == "p":
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# 上一页
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cache_data: dict = self._user_cache.get(userid)
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if not cache_data:
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# 没有缓存
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self.common.post_message(title="输入有误！", userid=userid)
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return
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if self._current_page == 0:
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# 第一页
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self.common.post_message(title="已经是第一页了！", userid=userid)
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return
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cache_type: str = cache_data.get('type')
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cache_list: list = cache_data.get('items')
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# 减一页
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self._current_page -= 1
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if self._current_page == 0:
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start = 0
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end = self._page_size
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else:
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start = self._current_page * self._page_size
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end = start + self._page_size
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if cache_type == "Torrent":
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# 发送种子数据
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self.__post_torrents_message(items=cache_list[start:end], userid=userid)
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else:
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# 发送媒体数据
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self.__post_medias_message(items=cache_list[start:end], userid=userid)
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elif text.lower() == "n":
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# 下一页
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cache_data: dict = self._user_cache.get(userid)
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if not cache_data:
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# 没有缓存
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self.common.post_message(title="输入有误！", userid=userid)
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return
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cache_type: str = cache_data.get('type')
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cache_list: list = cache_data.get('items')
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# 加一页
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self._current_page += 1
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cache_list = cache_list[self._current_page * self._page_size:]
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if not cache_list:
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# 没有数据
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self.common.post_message(title="已经是最后一页了！", userid=userid)
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return
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else:
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if cache_type == "Torrent":
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# 发送种子数据
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self.__post_torrents_message(items=cache_list, userid=userid)
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else:
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# 发送媒体数据
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self.__post_medias_message(items=cache_list, userid=userid)
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else:
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# 搜索或订阅
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if text.startswith("订阅"):
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# 订阅
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content = re.sub(r"订阅[:：\s]*", "", text)
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action = "Subscribe"
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else:
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# 搜索
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content = re.sub(r"(搜索|下载)[:：\s]*", "", text)
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action = "Search"
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# 提取要素
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mtype, key_word, season_num, episode_num, year, title = StringUtils.get_keyword(content)
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# 识别
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meta = MetaInfo(title)
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if not meta.get_name():
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self.common.post_message(title="无法识别输入内容！", userid=userid)
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return
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# 合并信息
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if mtype:
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meta.type = mtype
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if season_num:
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meta.begin_season = season_num
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if episode_num:
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meta.begin_episode = episode_num
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if year:
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meta.year = year
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self._current_meta = meta
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# 开始搜索
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medias = self.run_module('search_medias', meta=meta)
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if not medias:
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self.common.post_message(title=f"{meta.get_name()} 没有找到对应的媒体信息！", userid=userid)
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return
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self._user_cache[userid] = {
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'type': action,
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'items': medias
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}
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self._current_page = 0
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self._current_media = None
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# 发送媒体列表
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self.__post_medias_message(items=medias[:self._page_size], userid=userid)
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def __post_medias_message(self, items: list, userid: str):
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"""
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发送媒体列表消息
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"""
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self.run_module('post_medias_message',
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title="请回复数字选择对应媒体（p：上一页, n：下一页）",
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items=items,
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userid=userid)
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def __post_torrents_message(self, items: list, userid: str):
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"""
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发送种子列表消息
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"""
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self.run_module('post_torrents_message',
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title="请回复数字下载对应资源（0：自动选择, p：上一页, n：下一页）",
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items=items,
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userid=userid)
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