/
update_handlers.py
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/
update_handlers.py
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import logging
from functools import wraps
from typing import Any, Callable, Dict
from tg import config, utils
from tg.controllers import Controller
from tg.msg import MsgProxy
log = logging.getLogger(__name__)
UpdateHandler = Callable[[Controller, Dict[str, Any]], None]
handlers: Dict[str, UpdateHandler] = {}
max_download_size: int = utils.parse_size(config.MAX_DOWNLOAD_SIZE)
def update_handler(
update_type: str,
) -> Callable[[UpdateHandler], UpdateHandler]:
def decorator(fun: UpdateHandler) -> UpdateHandler:
global handlers
assert (
update_type not in handlers
), f"Update type <{update_type}> already has handler: {handlers[update_type]}"
@wraps(fun)
def wrapper(controller: Controller, update: Dict[str, Any]) -> None:
try:
fun(controller, update)
except Exception:
log.exception("Error happened in handler: %s", update_type)
handlers[update_type] = wrapper
return wrapper
return decorator
@update_handler("updateMessageContent")
def update_message_content(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
message_id = update["message_id"]
controller.model.msgs.update_msg(
chat_id, message_id, content=update["new_content"]
)
current_chat_id = controller.model.current_chat_id
if current_chat_id == chat_id:
controller.render_msgs()
@update_handler("updateMessageEdited")
def update_message_edited(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
message_id = update["message_id"]
edit_date = update["edit_date"]
controller.model.msgs.update_msg(chat_id, message_id, edit_date=edit_date)
current_chat_id = controller.model.current_chat_id
if current_chat_id == chat_id:
controller.render_msgs()
@update_handler("updateNewMessage")
def update_new_message(controller: Controller, update: Dict[str, Any]) -> None:
msg = MsgProxy(update["message"])
controller.model.msgs.add_message(msg.chat_id, msg.msg)
current_chat_id = controller.model.current_chat_id
if current_chat_id == msg.chat_id:
controller.render_msgs()
if msg.file_id and msg.size and msg.size <= max_download_size:
controller.download(msg.file_id, msg.chat_id, msg["id"])
controller.notify_for_message(msg.chat_id, msg)
@update_handler("updateChatOrder")
def update_chat_order(controller: Controller, update: Dict[str, Any]) -> None:
current_chat_id = controller.model.current_chat_id
chat_id = update["chat_id"]
order = update["order"]
if controller.model.chats.update_chat(chat_id, order=order):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatTitle")
def update_chat_title(controller: Controller, update: Dict[str, Any]) -> None:
chat_id = update["chat_id"]
title = update["title"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(chat_id, title=title):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatIsMarkedAsUnread")
def update_chat_is_marked_as_unread(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
is_marked_as_unread = update["is_marked_as_unread"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(
chat_id, is_marked_as_unread=is_marked_as_unread
):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateNewChat")
def update_new_chat(controller: Controller, update: Dict[str, Any]) -> None:
chat = update["chat"]
controller.model.chats.add_chat(chat)
@update_handler("updateChatIsPinned")
def update_chat_is_pinned(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
is_pinned = update["is_pinned"]
order = update["order"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(
chat_id, is_pinned=is_pinned, order=order
):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatReadOutbox")
def update_chat_read_outbox(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
last_read_outbox_message_id = update["last_read_outbox_message_id"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(
chat_id, last_read_outbox_message_id=last_read_outbox_message_id
):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatReadInbox")
def update_chat_read_inbox(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
last_read_inbox_message_id = update["last_read_inbox_message_id"]
unread_count = update["unread_count"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(
chat_id,
last_read_inbox_message_id=last_read_inbox_message_id,
unread_count=unread_count,
):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatDraftMessage")
def update_chat_draft_message(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
# FIXME: ignoring draft message itself for now because UI can't show it
# draft_message = update["draft_message"]
order = update["order"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(chat_id, order=order):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatLastMessage")
def update_chat_last_message(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
last_message = update.get("last_message")
if not last_message:
# according to documentation it can be null
log.warning("last_message is null: %s", update)
return
order = update["order"]
current_chat_id = controller.model.current_chat_id
if controller.model.chats.update_chat(
chat_id, last_message=last_message, order=order
):
controller.refresh_current_chat(current_chat_id)
@update_handler("updateChatNotificationSettings")
def update_chat_notification_settings(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
notification_settings = update["notification_settings"]
if controller.model.chats.update_chat(
chat_id, notification_settings=notification_settings
):
controller.render()
@update_handler("updateMessageSendSucceeded")
def update_message_send_succeeded(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["message"]["chat_id"]
msg_id = update["old_message_id"]
controller.model.msgs.add_message(chat_id, update["message"])
controller.model.msgs.remove_messages(chat_id, [msg_id])
current_chat_id = controller.model.current_chat_id
if current_chat_id == chat_id:
controller.render_msgs()
@update_handler("updateFile")
def update_file(controller: Controller, update: Dict[str, Any]) -> None:
file_id = update["file"]["id"]
local = update["file"]["local"]
chat_id, msg_id = controller.model.downloads.get(file_id, (None, None))
if chat_id is None:
log.warning(
"Can't find information about file with file_id=%s", file_id
)
return
msgs = controller.model.msgs.msgs[chat_id]
for msg_id, msg in msgs.items():
if msg["id"] == msg_id:
proxy = MsgProxy(msg)
proxy.local = local
controller.render_msgs()
if proxy.is_downloaded:
controller.model.downloads.pop(file_id)
break
@update_handler("updateMessageContentOpened")
def update_message_content_opened(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
message_id = update["message_id"]
controller.model.msgs.update_msg_content_opened(chat_id, message_id)
controller.render_msgs()
@update_handler("updateDeleteMessages")
def update_delete_messages(
controller: Controller, update: Dict[str, Any]
) -> None:
if not update["is_permanent"]:
log.debug("Ignoring deletiong becuase not permanent: %s", update)
return
chat_id = update["chat_id"]
msg_ids = update["message_ids"]
controller.model.msgs.remove_messages(chat_id, msg_ids)
controller.render_msgs()
@update_handler("updateConnectionState")
def update_connection_state(
controller: Controller, update: Dict[str, Any]
) -> None:
state = update["state"]["@type"]
states = {
"connectionStateWaitingForNetwork": "Waiting for network...",
"connectionStateConnectingToProxy": "Connecting to proxy...",
"connectionStateConnecting": "Connecting...",
"connectionStateUpdating": "Updating...",
# state exists, but when it's "Ready" we want to show "Chats"
# "connectionStateReady": "Ready",
}
controller.model.chats.title = states.get(state, "Chats")
controller.render_chats()
@update_handler("updateUserStatus")
def update_user_status(controller: Controller, update: Dict[str, Any]) -> None:
controller.model.users.set_status(update["user_id"], update["status"])
controller.render()
@update_handler("updateBasicGroup")
def update_basic_group(controller: Controller, update: Dict[str, Any]) -> None:
basic_group = update["basic_group"]
controller.model.users.groups[basic_group["id"]] = basic_group
controller.render_msgs()
@update_handler("updateSupergroup")
def update_supergroup(controller: Controller, update: Dict[str, Any]) -> None:
supergroup = update["supergroup"]
controller.model.users.supergroups[supergroup["id"]] = supergroup
controller.render_msgs()
@update_handler("updateUserChatAction")
def update_user_chat_action(
controller: Controller, update: Dict[str, Any]
) -> None:
chat_id = update["chat_id"]
if update["action"]["@type"] == "chatActionCancel":
controller.model.users.actions.pop(chat_id, None)
else:
controller.model.users.actions[chat_id] = update
controller.render()