mirror of https://github.com/zulip/zulip.git
128 lines
3.4 KiB
Python
128 lines
3.4 KiB
Python
import logging
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import time
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from typing import Callable, List, TypeVar
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from django.db import connection
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from django.db.backends.utils import CursorWrapper
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from psycopg2.sql import SQL
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from zerver.models import UserProfile
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T = TypeVar("T")
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"""
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NOTE! Be careful modifying this library, as it is used
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in a migration, and it needs to be valid for the state
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of the database that is in place when the 0104_fix_unreads
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migration runs.
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"""
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logger = logging.getLogger("zulip.fix_unreads")
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logger.setLevel(logging.WARNING)
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def update_unread_flags(cursor: CursorWrapper, user_message_ids: List[int]) -> None:
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query = SQL(
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"""
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UPDATE zerver_usermessage
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SET flags = flags | 1
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WHERE id IN %(user_message_ids)s
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"""
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)
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cursor.execute(query, {"user_message_ids": tuple(user_message_ids)})
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def get_timing(message: str, f: Callable[[], T]) -> T:
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start = time.time()
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logger.info(message)
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ret = f()
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elapsed = time.time() - start
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logger.info("elapsed time: %.03f\n", elapsed)
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return ret
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def fix_unsubscribed(cursor: CursorWrapper, user_profile: UserProfile) -> None:
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def find_recipients() -> List[int]:
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query = SQL(
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"""
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SELECT
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zerver_subscription.recipient_id
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FROM
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zerver_subscription
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INNER JOIN zerver_recipient ON (
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zerver_recipient.id = zerver_subscription.recipient_id
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)
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WHERE (
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zerver_subscription.user_profile_id = %(user_profile_id)s AND
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zerver_recipient.type = 2 AND
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(NOT zerver_subscription.active)
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)
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"""
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)
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cursor.execute(query, {"user_profile_id": user_profile.id})
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rows = cursor.fetchall()
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recipient_ids = [row[0] for row in rows]
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logger.info("%s", recipient_ids)
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return recipient_ids
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recipient_ids = get_timing(
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"get recipients",
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find_recipients,
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)
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if not recipient_ids:
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return
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def find() -> List[int]:
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query = SQL(
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"""
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SELECT
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zerver_usermessage.id
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FROM
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zerver_usermessage
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INNER JOIN zerver_message ON (
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zerver_message.id = zerver_usermessage.message_id
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)
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WHERE (
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zerver_usermessage.user_profile_id = %(user_profile_id)s AND
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(zerver_usermessage.flags & 1) = 0 AND
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zerver_message.recipient_id in %(recipient_ids)s
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)
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"""
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)
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cursor.execute(
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query,
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{
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"user_profile_id": user_profile.id,
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"recipient_ids": tuple(recipient_ids),
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},
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)
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rows = cursor.fetchall()
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user_message_ids = [row[0] for row in rows]
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logger.info("rows found: %d", len(user_message_ids))
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return user_message_ids
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user_message_ids = get_timing(
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"finding unread messages for non-active streams",
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find,
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)
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if not user_message_ids:
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return
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def fix() -> None:
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update_unread_flags(cursor, user_message_ids)
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get_timing(
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"fixing unread messages for non-active streams",
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fix,
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)
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def fix(user_profile: UserProfile) -> None:
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logger.info("\n---\nFixing %s:", user_profile.id)
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with connection.cursor() as cursor:
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fix_unsubscribed(cursor, user_profile)
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