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51cef01c29
This avoids a potential unnecessary message.recipient fetch required by is_stream_message(). is_stream_message() methods precedes the addition of the denormalized is_channel_message column and is now unnecessary. In practice, we usually fetch Message objects with `.recipient` already, so I don't expect any notable performance impact here - but it's still a useful change to make.
118 lines
4.6 KiB
Python
118 lines
4.6 KiB
Python
from django.conf import settings
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from django.utils.translation import gettext as _
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from zerver.actions.message_send import internal_send_stream_message
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from zerver.lib.display_recipient import get_display_recipient
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from zerver.lib.markdown.fenced_code import get_unused_fence
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from zerver.lib.mention import silent_mention_syntax_for_user
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from zerver.lib.message import is_1_to_1_message, truncate_content
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from zerver.lib.topic_link_util import get_message_link_syntax
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from zerver.models import Message, Realm, UserProfile
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from zerver.models.recipients import Recipient
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from zerver.models.streams import StreamTopicsPolicyEnum
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from zerver.models.users import get_system_bot
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# We shrink the truncate length for the reported message to ensure
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# that the "notes" included by the reporting user fit within the
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# limit. The extra 500 is an arbitrary buffer for all the extra
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# template strings.
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MAX_REPORT_MESSAGE_SNIPPET_LENGTH = (
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settings.MAX_MESSAGE_LENGTH - Realm.MAX_REPORT_MESSAGE_EXPLANATION_LENGTH - 500
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)
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def send_message_report(
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reporting_user: UserProfile,
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realm: Realm,
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reported_message: Message,
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report_type: str,
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description: str,
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) -> None:
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moderation_request_channel = realm.moderation_request_channel
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assert moderation_request_channel is not None
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reported_user = reported_message.sender
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reported_user_mention = silent_mention_syntax_for_user(reported_user)
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reporting_user_mention = silent_mention_syntax_for_user(reporting_user)
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# Build reported message header
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if is_1_to_1_message(reported_message):
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report_header = _(
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"{reporting_user_mention} reported a DM sent by {reported_user_mention}."
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).format(
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reporting_user_mention=reporting_user_mention,
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reported_user_mention=reported_user_mention,
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)
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elif reported_message.recipient.type == Recipient.DIRECT_MESSAGE_GROUP:
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recipient_list = get_display_recipient(reported_message.recipient)
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last_user = recipient_list.pop()
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last_user_mention = silent_mention_syntax_for_user(last_user)
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recipient_mentions: str = ", ".join(
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[silent_mention_syntax_for_user(user) for user in recipient_list]
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)
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report_header = _(
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"{reporting_user_mention} reported a DM sent by {reported_user_mention} to {recipient_mentions}, and {last_user_mention}."
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).format(
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reporting_user_mention=reporting_user_mention,
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reported_user_mention=reported_user_mention,
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recipient_mentions=recipient_mentions,
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last_user_mention=last_user_mention,
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)
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else:
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assert reported_message.is_channel_message is True
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topic_name = reported_message.topic_name()
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channel_id = reported_message.recipient.type_id
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channel_name = reported_message.recipient.label()
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channel_message_link = get_message_link_syntax(
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channel_id,
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channel_name,
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topic_name,
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reported_message.id,
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)
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report_header = _(
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"{reporting_user_mention} reported {channel_message_link} sent by {reported_user_mention}."
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).format(
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reporting_user_mention=reporting_user_mention,
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reported_user_mention=reported_user_mention,
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channel_message_link=channel_message_link,
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)
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content = report_header
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# Build report context block
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report_context_block = _("""
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- Reason: **{report_type}**
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- Notes:
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""").format(report_type=report_type)
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report_context_block += f"```quote\n{description}\n```"
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content += report_context_block
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# Build reported message preview block
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message_sent_by = _("**Message sent by {reported_user_mention}**").format(
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reported_user_mention=reported_user_mention
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)
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reported_message_content = truncate_content(
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reported_message.content, MAX_REPORT_MESSAGE_SNIPPET_LENGTH, "\n[message truncated]"
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)
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reported_message_preview_block = """
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{fence} spoiler {message_sent_by}
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{reported_message}
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{fence}
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""".format(
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message_sent_by=message_sent_by,
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reported_message=reported_message_content,
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fence=get_unused_fence(reported_message_content),
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)
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content += reported_message_preview_block
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topic_name = _("{fullname}'s moderation requests").format(fullname=reported_user.full_name)
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if moderation_request_channel.topics_policy == StreamTopicsPolicyEnum.empty_topic_only.value:
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topic_name = ""
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internal_send_stream_message(
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sender=get_system_bot(settings.NOTIFICATION_BOT, moderation_request_channel.realm.id),
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stream=moderation_request_channel,
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topic_name=topic_name,
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content=content,
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)
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