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User: i have such classes:
class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True)
    username = Column(Text)
    password = Column(Text)
    balance = Column(Integer, default=0)
    status = Column(Integer, default=1)
    ip = Column(Text)

    orders = relationship("Order", back_populates="user", lazy="selectin")
    balance_applications = relationship(
        "BalanceApplication", back_populates="user", lazy="selectin")
    disputes = relationship("Dispute", back_populates="user", lazy="subquery")
    dispute_messages = relationship(
        "DisputeMessage", back_populates="user", lazy="selectin")
    activations = relationship(
        "PromocodeActivation", back_populates="user", lazy="selectin")
class Dispute(Base):
    __tablename__ = "disputes"

    id = Column(Integer, primary_key=True)
    user_id = Column(ForeignKey("users.id", ondelete="CASCADE"))
    order_id = Column(ForeignKey("orders.id", ondelete="CASCADE"))
    photos = Column(Text)
    comment = Column(Text)

    user = relationship("User", back_populates="disputes", lazy="subquery")
    order = relationship("Order", back_populates="dispute", lazy="selectin")
    messages = relationship(
        "DisputeMessage", back_populates="dispute", lazy="selectin")


class DisputeMessage(Base):
    __tablename__ = "dispute_messages"

    id = Column(Integer, primary_key=True)
    user_id = Column(ForeignKey("users.id", ondelete="CASCADE"))
    dispute_id = Column(ForeignKey("disputes.id", ondelete="CASCADE"))
    message = Column(Text)
    date = Column(Integer)
    read = Column(Integer, default=0)

    user = relationship(
        "User", back_populates="dispute_messages", lazy="selectin")
    dispute = relationship(
        "Dispute", back_populates="messages", lazy="selectin")
    photos = relationship(
        "DisputePhoto", back_populates="message", lazy="selectin")


class DisputePhoto(Base):
    __tablename__ = "dispute_photos"

    id = Column(Integer, primary_key=True)
    message_id = Column(ForeignKey("dispute_messages.id", ondelete="CASCADE"))
    photo = Column(Text)

    message = relationship(
        "DisputeMessage", back_populates="photos", lazy="selectin")
how can i get messages from user according to given dispute_id , read status and user status
modify this method
async def read_messages_user(self, dispute_id):
        session: AsyncSession
        async with self.async_session() as session:
            messages = await session.execute(select(DisputeMessage).where(DisputeMessage.dispute_id==dispute_id, DisputeMessage.read == 0, DisputeMessage.user.status == 1))
            for message in messages.scalars().all():
                message.read = 1
            await session.commit()
Assistant: To retrieve messages based on the given `dispute_id`, `read` status, and `user` status, you can modify your `read_messages_user` method as follows. Ensure you correctly establish the relationship between `DisputeMessage` and `User`:

### Pseudocode
1. Start an async session.
2. Use `select` to query `DisputeMessage` based on `dispute_id`, `read` status, and related `User`'s status.
3. Iterate over the results and update the `read` status.
4. Commit the changes.

### Code
```python
from sqlalchemy.future import select
from sqlalchemy.orm import joinedload

async def read_messages_user(self, dispute_id):
    async with self.async_session() as session:
        # Retrieve messages with the given conditions
        result = await session.execute(
            select(DisputeMessage)
            .options(joinedload(DisputeMessage.user))  # Ensure User data is loaded
            .where(
                DisputeMessage.dispute_id == dispute_id,
                DisputeMessage.read == 0,
                DisputeMessage.user.has(status=1)  # Filter User status
            )
        )
        # Mark each message as read
        for message in result.scalars():
            message.read = 1
        # Commit changes to the database
        await session.commit()
```

### Next Steps:
- Make sure you have correct imports and connections.
- Test the method to ensure it correctly updates the message statuses.
User: which sqlalchemy load can improve my perfomance?
Assistant: