290 lines
11 KiB
Python
290 lines
11 KiB
Python
import asyncio
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import logging
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import re
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import time
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from grpc import StatusCode
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from grpc.experimental.aio import AioRpcError
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from library.telegram.base import RequestContext
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from nexus.bot.widgets.search_widget import SearchWidget
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from nexus.translations import t
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from nexus.views.telegram.common import close_button
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from nexus.views.telegram.registry import parse_typed_document_to_view
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from telethon import (
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events,
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functions,
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)
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from .base import (
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BaseCallbackQueryHandler,
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BaseHandler,
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)
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class BaseSearchHandler(BaseHandler):
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should_reset_last_widget = False
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async def do_search(
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self,
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event: events.ChatAction,
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request_context: RequestContext,
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prefetch_message,
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query: str,
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is_group_mode: bool = False,
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is_shortpath_enabled: bool = False,
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):
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session_id = self.generate_session_id()
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message_id = prefetch_message.id
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request_context.add_default_fields(is_group_mode=is_group_mode, mode='search', session_id=session_id)
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start_time = time.time()
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try:
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search_widget = await SearchWidget.create(
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application=self.application,
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chat=request_context.chat,
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session_id=session_id,
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message_id=message_id,
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request_id=request_context.request_id,
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query=query,
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is_group_mode=is_group_mode,
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)
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except AioRpcError as e:
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actions = [
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self.application.telegram_client.delete_messages(
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request_context.chat.chat_id,
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[message_id],
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)
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]
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if e.code() == StatusCode.INVALID_ARGUMENT:
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too_difficult_picture_url = self.application.config['application'].get('too_difficult_picture_url', '')
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if e.details() == 'url_query_error':
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actions.append(
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event.reply(
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t('INVALID_QUERY_ERROR', language=request_context.chat.language).format(
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too_difficult_picture_url=too_difficult_picture_url,
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),
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buttons=[close_button()],
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)
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)
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elif e.details() == 'invalid_query_error':
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actions.append(
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event.reply(
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t('INVALID_SYNTAX_ERROR', language=request_context.chat.language).format(
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too_difficult_picture_url=too_difficult_picture_url,
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),
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buttons=[close_button()],
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)
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)
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return await asyncio.gather(*actions)
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elif e.code() == StatusCode.CANCELLED:
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maintenance_picture_url = self.application.config['application'].get('maintenance_picture_url', '')
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request_context.error_log(e)
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actions.append(event.reply(
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t('MAINTENANCE', language=request_context.chat.language).format(
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maintenance_picture_url=maintenance_picture_url,
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),
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buttons=[close_button()],
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))
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return await asyncio.gather(*actions)
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raise e
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action = 'documents_found'
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if len(search_widget.scored_documents) == 0:
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action = 'documents_not_found'
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request_context.statbox(
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action=action,
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duration=time.time() - start_time,
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query=f'page:0 query:{query}',
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)
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if len(search_widget.scored_documents) == 1 and is_shortpath_enabled:
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scored_document = search_widget.scored_documents[0]
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document_view = parse_typed_document_to_view(scored_document.typed_document)
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# Second (re-)fetching is required to retrieve duplicates
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document_view = await self.resolve_document(
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schema=scored_document.typed_document.WhichOneof('document'),
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document_id=document_view.id,
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position=0,
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session_id=session_id,
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request_context=request_context,
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)
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view, buttons = document_view.get_view(
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language=request_context.chat.language,
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session_id=session_id,
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bot_external_name=self.application.config['telegram']['bot_external_name'],
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with_buttons=not is_group_mode,
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)
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return await asyncio.gather(
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self.application.telegram_client.edit_message(
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request_context.chat.chat_id,
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message_id,
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view,
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buttons=buttons,
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),
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)
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serp, buttons = await search_widget.render()
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return await self.application.telegram_client.edit_message(
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request_context.chat.chat_id,
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message_id,
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serp,
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buttons=buttons,
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link_preview=False,
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)
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class SearchHandler(BaseSearchHandler):
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filter = events.NewMessage(incoming=True, pattern=re.compile('^(/search\\s+)?(.*)', flags=re.DOTALL))
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is_group_handler = True
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should_reset_last_widget = False
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is_subscription_required_for_handler = True
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async def ban_handler(self, event: events.ChatAction, request_context: RequestContext, ban_timeout: float):
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logging.getLogger('statbox').info({
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'bot_name': self.application.config['telegram']['bot_name'],
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'action': 'user_flood_ban',
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'mode': 'search',
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'ban_timeout_seconds': ban_timeout,
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'chat_id': request_context.chat.chat_id,
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})
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ban_reason = t(
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'BAN_MESSAGE_TOO_MANY_REQUESTS',
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language=request_context.chat.language
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)
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return await event.reply(t(
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'BANNED_FOR_SECONDS',
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language=request_context.chat.language
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).format(
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seconds=str(ban_timeout),
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reason=ban_reason,
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))
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async def handler(self, event: events.ChatAction, request_context: RequestContext):
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ban_timeout = self.application.user_manager.check_search_ban_timeout(user_id=request_context.chat.chat_id)
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if ban_timeout:
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return await self.ban_handler(event, request_context, ban_timeout)
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self.application.user_manager.add_search_time(user_id=request_context.chat.chat_id, search_time=time.time())
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search_prefix = event.pattern_match.group(1)
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query = event.pattern_match.group(2)
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is_group_mode = event.is_group or event.is_channel
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if is_group_mode and not search_prefix:
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return
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if not is_group_mode and search_prefix:
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query = event.raw_text
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prefetch_message = await event.reply(
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t("SEARCHING", language=request_context.chat.language),
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)
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self.application.user_manager.last_widget[request_context.chat.chat_id] = prefetch_message.id
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try:
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await self.do_search(
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event, request_context, prefetch_message,
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query=query,
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is_group_mode=is_group_mode,
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is_shortpath_enabled=True,
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)
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except (AioRpcError, asyncio.CancelledError) as e:
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await asyncio.gather(
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event.delete(),
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prefetch_message.delete(),
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)
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raise e
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class SearchEditHandler(BaseSearchHandler):
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filter = events.MessageEdited(incoming=True, pattern=re.compile('^(/search\\s+)?(.*)', flags=re.DOTALL))
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is_group_handler = True
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should_reset_last_widget = False
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async def handler(self, event: events.ChatAction, request_context: RequestContext):
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request_context.add_default_fields(mode='search_edit')
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search_prefix = event.pattern_match.group(1)
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query = event.pattern_match.group(2)
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is_group_mode = event.is_group or event.is_channel
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if is_group_mode and not search_prefix:
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return
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if not is_group_mode and search_prefix:
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query = event.raw_text
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result = await self.application.telegram_client(functions.messages.GetMessagesRequest(
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id=list(range(event.id + 1, event.id + 10)))
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)
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if not result:
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request_context.statbox(action='failed')
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return await event.reply(
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t('REPLY_MESSAGE_HAS_BEEN_DELETED', language=request_context.chat.language),
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)
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for next_message in result.messages:
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if next_message.is_reply and event.id == next_message.reply_to_msg_id:
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request_context.statbox(action='resolved')
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await self.do_search(
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event,
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request_context,
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prefetch_message=next_message,
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query=query,
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is_group_mode=is_group_mode,
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)
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return
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request_context.statbox(action='failed')
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return await event.reply(
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t('REPLY_MESSAGE_HAS_BEEN_DELETED', language=request_context.chat.language),
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)
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class SearchPagingHandler(BaseCallbackQueryHandler):
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filter = events.CallbackQuery(pattern='^/search_([A-Za-z0-9]+)_([0-9]+)_([0-9]+)$')
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should_reset_last_widget = False
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async def handler(self, event: events.ChatAction, request_context: RequestContext):
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session_id = event.pattern_match.group(1).decode()
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message_id = int(event.pattern_match.group(2).decode())
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page = int(event.pattern_match.group(3).decode())
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request_context.add_default_fields(mode='search_paging', session_id=session_id)
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message = await event.get_message()
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if not message:
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return await event.answer()
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reply_message = await message.get_reply_message()
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if not reply_message:
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return await event.respond(
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t('REPLY_MESSAGE_HAS_BEEN_DELETED', language=request_context.chat.language),
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)
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start_time = time.time()
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query = reply_message.raw_text
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try:
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search_widget = await SearchWidget.create(
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application=self.application,
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chat=request_context.chat,
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session_id=session_id,
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message_id=message_id,
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request_id=request_context.request_id,
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query=query,
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page=page,
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)
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except AioRpcError as e:
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if e.code() == StatusCode.INVALID_ARGUMENT or e.code() == StatusCode.CANCELLED:
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request_context.error_log(e)
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return await event.answer(
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t('MAINTENANCE_WO_PIC', language=request_context.chat.language),
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)
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raise e
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action = 'documents_found'
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if len(search_widget.scored_documents) == 0:
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action = 'documents_not_found'
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request_context.statbox(
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action=action,
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duration=time.time() - start_time,
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query=f'page:{page} query:{query}',
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)
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serp, buttons = await search_widget.render()
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return await asyncio.gather(
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event.answer(),
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message.edit(serp, buttons=buttons, link_preview=False)
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)
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