Source code for eolib.protocol.net.server.trade_reply_server_packet

# Generated from the eo-protocol XML specification.
#
# This file should not be modified.
# Changes will be lost when code is regenerated.

from __future__ import annotations
from collections.abc import Iterable
from .trade_item_data import TradeItemData
from ..packet_family import PacketFamily
from ..packet_action import PacketAction
from ....serialization_error import SerializationError
from ....net.packet import Packet
from .....data.eo_writer import EoWriter
from .....data.eo_reader import EoReader



class TradeReplyServerPacket(Packet):
    """
    Trade updated (items changed)
    """
    _byte_size: int = 0
    _trade_data: tuple[TradeItemData, ...]



    def __init__(self, *, trade_data: Iterable[TradeItemData]):
        """
        Create a new instance of TradeReplyServerPacket.

        Args:
            trade_data: (Length must be `2`.)
        """
        self._trade_data = tuple(trade_data)


    @property
    def byte_size(self) -> int:
        """
        The size of the data that this was deserialized from.
        """
        return self._byte_size

    @property
    def trade_data(self) -> tuple[TradeItemData, ...]:
        """
        The `trade_data` field.
        """
        return self._trade_data



    @staticmethod
    def family() -> PacketFamily:
        """
        Returns the packet family associated with this packet.

        Returns:
            The packet family associated with this packet.
        """
        return PacketFamily.Trade




    @staticmethod
    def action() -> PacketAction:
        """
        Returns the packet action associated with this packet.

        Returns:
            The packet action associated with this packet.
        """
        return PacketAction.Reply




    def write(self, writer):
        """
        Serializes and writes this packet to the provided EoWriter.

        Args:
            writer (EoWriter): the writer that this packet will be written to.
        """
        TradeReplyServerPacket.serialize(writer, self)




    @staticmethod
    def serialize(writer: EoWriter, data: "TradeReplyServerPacket") -> None:
        """
        Serializes an instance of `TradeReplyServerPacket` to the provided `EoWriter`.

        Args:
            writer (EoWriter): The writer that the data will be serialized to.
            data (TradeReplyServerPacket): The data to serialize.
        """
        old_string_sanitization_mode: bool = writer.string_sanitization_mode
        try:
            writer.string_sanitization_mode = True
            if data._trade_data is None:
                raise SerializationError("trade_data must be provided.")
            if len(data._trade_data) != 2:
                raise SerializationError(f"Expected length of trade_data to be exactly 2, got {len(data._trade_data)}.")
            for i in range(2):
                TradeItemData.serialize(writer, data._trade_data[i])
                writer.add_byte(0xFF)
            writer.string_sanitization_mode = False
        finally:
            writer.string_sanitization_mode = old_string_sanitization_mode




    @staticmethod
    def deserialize(reader: EoReader) -> "TradeReplyServerPacket":
        """
        Deserializes an instance of `TradeReplyServerPacket` from the provided `EoReader`.

        Args:
            reader (EoReader): The writer that the data will be serialized to.

        Returns:
            The data to serialize.
        """
        old_chunked_reading_mode: bool = reader.chunked_reading_mode
        try:
            reader_start_position: int = reader.position
            reader.chunked_reading_mode = True
            trade_data = []
            for i in range(2):
                trade_data.append(TradeItemData.deserialize(reader))
                reader.next_chunk()
            reader.chunked_reading_mode = False
            result = TradeReplyServerPacket(trade_data=trade_data)
            result._byte_size = reader.position - reader_start_position
            return result
        finally:
            reader.chunked_reading_mode = old_chunked_reading_mode


    def __repr__(self):
        return f"TradeReplyServerPacket(byte_size={repr(self._byte_size)}, trade_data={repr(self._trade_data)})"