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As of now, editing a widget doesn't update the rendered content. It's important to ensure that existing votes or options added later on don't get deleted when rendered. This seems more complex than it's worth. For now, we just prevent edits to widgets. This commit makes the UI clearer that editing widgets isn't allowed. See also: https://github.com/zulip/zulip/issues/14229 https://github.com/zulip/zulip/issues/14799 Fixes #17156
85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
import json
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import re
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from typing import Any, Optional, Tuple
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from zerver.lib.message import SendMessageRequest
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from zerver.models import Message, SubMessage
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def get_widget_data(content: str) -> Tuple[Optional[str], Optional[str]]:
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valid_widget_types = ["poll", "todo"]
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tokens = content.split(" ")
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# tokens[0] will always exist
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if tokens[0].startswith("/"):
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widget_type = tokens[0][1:]
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if widget_type in valid_widget_types:
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remaining_content = content.replace(tokens[0], "", 1).strip()
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extra_data = get_extra_data_from_widget_type(remaining_content, widget_type)
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return widget_type, extra_data
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return None, None
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def get_extra_data_from_widget_type(content: str, widget_type: Optional[str]) -> Any:
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if widget_type == "poll":
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# This is used to extract the question from the poll command.
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# The command '/poll question' will pre-set the question in the poll
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lines = content.splitlines()
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question = ""
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options = []
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if lines and lines[0]:
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question = lines.pop(0).strip()
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for line in lines:
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# If someone is using the list syntax, we remove it
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# before adding an option.
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option = re.sub(r"(\s*[-*]?\s*)", "", line.strip(), 1)
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if len(option) > 0:
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options.append(option)
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extra_data = {
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"question": question,
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"options": options,
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}
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return extra_data
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return None
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def do_widget_post_save_actions(send_request: SendMessageRequest) -> None:
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"""
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This code works with the webapp; mobile and other
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clients should also start supporting this soon.
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"""
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message_content = send_request.message.content
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sender_id = send_request.message.sender_id
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message_id = send_request.message.id
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widget_type = None
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extra_data = None
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widget_type, extra_data = get_widget_data(message_content)
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widget_content = send_request.widget_content
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if widget_content is not None:
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# Note that we validate this data in check_message,
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# so we can trust it here.
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widget_type = widget_content["widget_type"]
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extra_data = widget_content["extra_data"]
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if widget_type:
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content = dict(
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widget_type=widget_type,
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extra_data=extra_data,
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)
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submessage = SubMessage(
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sender_id=sender_id,
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message_id=message_id,
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msg_type="widget",
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content=json.dumps(content),
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)
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submessage.save()
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send_request.submessages = SubMessage.get_raw_db_rows([message_id])
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def is_widget_message(message: Message) -> bool:
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# Right now all messages that are widgetized use submessage, and vice versa.
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return message.submessage_set.exists()
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