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4681c6154d
After #28478 we no longer change the name when deactivating a channel, so this is particularly needed - now there's always a "collision" on new_name. Also fixes a second detail - the name should be matched case-insensitively.
104 lines
4.0 KiB
Python
104 lines
4.0 KiB
Python
from argparse import ArgumentParser
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from typing import Any
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from django.core.management.base import CommandError
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from typing_extensions import override
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from zerver.actions.streams import deactivated_streams_by_old_name, do_unarchive_stream
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from zerver.lib.management import ZulipBaseCommand
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from zerver.models import RealmAuditLog, Stream
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from zerver.models.realm_audit_logs import AuditLogEventType
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class Command(ZulipBaseCommand):
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help = """Reactivate a channel that was deactivated."""
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@override
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def add_arguments(self, parser: ArgumentParser) -> None:
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specify_channel = parser.add_mutually_exclusive_group(required=True)
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specify_channel.add_argument(
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"-c",
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"--channel",
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help="Name of a deactivated channel in the realm.",
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)
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specify_channel.add_argument(
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"--channel-id",
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help="ID of a deactivated channel in the realm.",
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)
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parser.add_argument(
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"-n",
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"--new-name",
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required=False,
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help="Name to reactivate as; defaults to the old name.",
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)
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self.add_realm_args(parser, required=True)
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@override
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def handle(self, *args: Any, **options: str | None) -> None:
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realm = self.get_realm(options)
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assert realm is not None # Should be ensured by parser
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# Looking up the channel is complicated, since they get renamed
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# when they are deactivated, in a transformation which may be
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# lossy.
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if options["channel_id"] is not None:
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channel = Stream.objects.get(id=options["channel_id"])
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if channel.realm_id != realm.id:
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raise CommandError(
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f"Channel id {channel.id}, named '{channel.name}', is in realm '{channel.realm.string_id}', not '{realm.string_id}'"
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)
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if not channel.deactivated:
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raise CommandError(
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f"Channel id {channel.id}, named '{channel.name}', is not deactivated"
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)
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if options["new_name"] is None:
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raise CommandError("--new-name flag is required with --channel-id")
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new_name = options["new_name"]
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else:
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channel_name = options["channel"]
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assert channel_name is not None
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possible_channels = deactivated_streams_by_old_name(realm, channel_name)
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if len(possible_channels) == 0:
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raise CommandError("No matching deactivated channels found!")
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if len(possible_channels) > 1:
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# Print ids of all possible channels, support passing by id
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print("Matching channels:")
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for channel in possible_channels:
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last_deactivation = (
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RealmAuditLog.objects.filter(
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realm=realm,
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modified_stream=channel,
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event_type=AuditLogEventType.CHANNEL_DEACTIVATED,
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)
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.order_by("-id")
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.first()
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)
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assert last_deactivation is not None
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print(
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f" ({channel.id}) {channel.name}, deactivated on {last_deactivation.event_time}"
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)
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raise CommandError(
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"More than one matching channel found! Specify which with --channel-id"
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)
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channel = possible_channels[0]
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if options["new_name"] is not None:
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new_name = options["new_name"]
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else:
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new_name = channel_name
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if (
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Stream.objects.filter(realm=realm, name__iexact=new_name)
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.exclude(id=channel.id)
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.exists()
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):
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raise CommandError(
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f"Channel with name '{new_name}' already exists; pass a different --new-name"
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)
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assert channel is not None
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do_unarchive_stream(channel, new_name, acting_user=None)
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