from sqlalchemy import and_, select
from sqlalchemy.orm import aliased

from ledger.schema import TransactionLedgerRead
from transaction.models import Split, Transaction



class LedgerResource:
    @classmethod
    def get_ledger(cls, session, account_id):
        split_account = aliased(Split)

        stmt = select(Transaction, split_account).join(
            split_account,
            and_(Transaction.id == split_account.transaction_id, split_account.account_id == account_id)
        )

        return [TransactionLedgerRead(transaction=transaction, account_split=split) for transaction, split in session.exec(stmt).all()]