hyperboria/nexus/bot/handlers/view.py
the-superpirate 6de3fb1250 - feat(bot): Add top-missing cmd
- feat(bot): Refactor referencing handler
  - fix(bot): Refactor DocumentListWidget
1 internal commit(s)

GitOrigin-RevId: 9f388e98c7039711927abf4a048b5c45ea7a2fc3
2021-04-13 17:49:04 +03:00

118 lines
4.6 KiB
Python

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