118 lines
4.6 KiB
Python
118 lines
4.6 KiB
Python
import asyncio
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from library.telegram.base import RequestContext
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from nexus.bot.exceptions import MessageHasBeenDeletedError
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from nexus.translations import t
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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 telethon.errors import MessageIdInvalidError
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from .base import BaseHandler
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class ViewHandler(BaseHandler):
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filter = events.NewMessage(incoming=True, pattern='^/v([ab])([sr])?_([A-Za-z0-9]+)_([0-9]+)_([0-9]+)_'
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'([0-9]+)')
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should_reset_last_widget = False
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def parse_pattern(self, event: events.ChatAction):
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short_index_alias = event.pattern_match.group(1)
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index_alias = self.short_index_alias_to_index_alias(short_index_alias)
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session_id = event.pattern_match.group(3)
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old_message_id = int(event.pattern_match.group(4))
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document_id = int(event.pattern_match.group(5))
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position = int(event.pattern_match.group(6))
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page = int(position / self.application.config['application']['page_size'])
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return index_alias, session_id, old_message_id, document_id, position, page
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async def process_widgeting(self, has_found_old_widget, old_message_id, request_context: RequestContext):
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if has_found_old_widget:
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message_id = old_message_id
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link_preview = None
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else:
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old_message = (await self.application.telegram_client(
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functions.messages.GetMessagesRequest(id=[old_message_id])
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)).messages[0]
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prefetch_message = await self.application.telegram_client.send_message(
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request_context.chat.chat_id,
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t("SEARCHING", language=request_context.chat.language),
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reply_to=old_message.reply_to_msg_id,
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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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message_id = prefetch_message.id
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link_preview = True
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return message_id, link_preview
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async def compose_back_command(
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self,
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session_id,
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message_id,
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page,
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):
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return f'/search_{session_id}_{message_id}_{page}'
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async def handler(self, event: events.ChatAction, request_context: RequestContext):
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index_alias, session_id, old_message_id, document_id, position, page = self.parse_pattern(event)
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request_context.add_default_fields(mode='view', session_id=session_id)
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request_context.statbox(action='view', document_id=document_id, position=position, index_alias=index_alias)
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has_found_old_widget = old_message_id == self.application.user_manager.last_widget.get(request_context.chat.chat_id)
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try:
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message_id, link_preview = await self.process_widgeting(
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has_found_old_widget=has_found_old_widget,
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old_message_id=old_message_id,
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request_context=request_context
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)
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document_view = await self.resolve_document(
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index_alias,
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document_id,
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position,
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session_id,
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request_context,
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)
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try:
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back_command = await self.compose_back_command(
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session_id=session_id,
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message_id=message_id,
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page=page,
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)
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except MessageHasBeenDeletedError:
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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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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_name=self.application.config['telegram']['bot_name'],
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position=position,
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back_command=back_command,
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)
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actions = [
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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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link_preview=link_preview,
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),
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event.delete(),
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]
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if not has_found_old_widget:
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actions.append(
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self.application.telegram_client.delete_messages(
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request_context.chat.chat_id,
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[old_message_id],
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)
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)
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return await asyncio.gather(*actions)
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except MessageIdInvalidError:
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await event.reply(t("VIEWS_CANNOT_BE_SHARED", language=request_context.chat.language))
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