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			129 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import logging
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import time
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from collections.abc import Callable
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from typing import 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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