zulip/zerver/lib/widget.py

80 lines
2.6 KiB
Python

import json
import re
from typing import Any, Optional, Tuple
from zerver.lib.message import SendMessageRequest
from zerver.models import SubMessage
def get_widget_data(content: str) -> Tuple[Optional[str], Optional[str]]:
valid_widget_types = ["poll", "todo"]
tokens = content.split(" ")
# tokens[0] will always exist
if tokens[0].startswith("/"):
widget_type = tokens[0][1:]
if widget_type in valid_widget_types:
remaining_content = content.replace(tokens[0], "", 1).strip()
extra_data = get_extra_data_from_widget_type(remaining_content, widget_type)
return widget_type, extra_data
return None, None
def get_extra_data_from_widget_type(content: str, widget_type: Optional[str]) -> Any:
if widget_type == "poll":
# This is used to extract the question from the poll command.
# The command '/poll question' will pre-set the question in the poll
lines = content.splitlines()
question = ""
options = []
if lines and lines[0]:
question = lines.pop(0).strip()
for line in lines:
# If someone is using the list syntax, we remove it
# before adding an option.
option = re.sub(r"(\s*[-*]?\s*)", "", line.strip(), 1)
if len(option) > 0:
options.append(option)
extra_data = {
"question": question,
"options": options,
}
return extra_data
return None
def do_widget_post_save_actions(send_request: SendMessageRequest) -> None:
"""
This code works with the webapp; mobile and other
clients should also start supporting this soon.
"""
message_content = send_request.message.content
sender_id = send_request.message.sender_id
message_id = send_request.message.id
widget_type = None
extra_data = None
widget_type, extra_data = get_widget_data(message_content)
widget_content = send_request.widget_content
if widget_content is not None:
# Note that we validate this data in check_message,
# so we can trust it here.
widget_type = widget_content["widget_type"]
extra_data = widget_content["extra_data"]
if widget_type:
content = dict(
widget_type=widget_type,
extra_data=extra_data,
)
submessage = SubMessage(
sender_id=sender_id,
message_id=message_id,
msg_type="widget",
content=json.dumps(content),
)
submessage.save()
send_request.submessages = SubMessage.get_raw_db_rows([message_id])