message.py 文件源码

def getReceiptList(self):
        """
        Returns a list of message receipt statuses.
        """
        receipts = list()
        with db.conn() as conn:
            cur = conn.execute('''
                SELECT receipt.user, read_at, delivered_at
                FROM %(schema_name)s.receipt
                WHERE
                    "message" = %(message_id)s AND
                    (read_at IS NOT NULL or delivered_at is NOT NULL)
                ''', {
                    'schema_name': AsIs(_get_schema_name()),
                    'message_id': self.id.key
                }
            )

            for row in cur:
                receipts.append({
                    'user': row['user'],
                    'read_at': to_rfc3339_or_none(row['read_at']),
                    'delivered_at': to_rfc3339_or_none(row['delivered_at'])
                })
        return receipts