Arakne / Araknemu

 * This file is part of Araknemu.

 *

 * Araknemu is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Araknemu is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with Araknemu.  If not, see <https://www.gnu.org/licenses/>.

 *

 * Copyright (c) 2017-2019 Vincent Quatrevieux

 */

package fr.quatrevieux.araknemu.data.living.repository.implementation.sql;

import fr.quatrevieux.araknemu.core.dbal.executor.QueryExecutor;

import fr.quatrevieux.araknemu.core.dbal.repository.EntityNotFoundException;

import fr.quatrevieux.araknemu.core.dbal.repository.Record;

import fr.quatrevieux.araknemu.core.dbal.repository.RepositoryException;

import fr.quatrevieux.araknemu.core.dbal.repository.RepositoryUtils;

import fr.quatrevieux.araknemu.data.living.entity.account.AccountBank;

import fr.quatrevieux.araknemu.data.living.repository.account.AccountBankRepository;

import java.sql.ResultSet;

import java.sql.SQLException;

/**

 * SQL implementation of {@link AccountBankRepository}

 */

final class SqlAccountBankRepository implements AccountBankRepository {

    private final QueryExecutor executor;

    private final RepositoryUtils<AccountBank> utils;

    public SqlAccountBankRepository(QueryExecutor executor) {

        this.executor = executor;

        this.utils = new RepositoryUtils<>(this.executor, new Loader());

    }

    @Override

    public void initialize() throws RepositoryException {

        try {

            executor.query(

                "CREATE TABLE BANK (" +

                    "ACCOUNT_ID INTEGER," +

                    "SERVER_ID INTEGER," +

                    "BANK_KAMAS BIGINT," +

                    "PRIMARY KEY (ACCOUNT_ID, SERVER_ID)" +

                ")"

            );

        } catch (SQLException e) {

            throw new RepositoryException(e);

        }

    }

    @Override

    public void destroy() throws RepositoryException {

        try {

            executor.query("DROP TABLE BANK");

        } catch (SQLException e) {

            throw new RepositoryException(e);

        }

    }

    @Override

    public AccountBank add(AccountBank entity) {

        utils.update(

            "REPLACE INTO BANK (`ACCOUNT_ID`, `SERVER_ID`, `BANK_KAMAS`) VALUES (?, ?, ?)",

            rs -> {

                rs.setInt(1, entity.accountId());

                rs.setInt(2, entity.serverId());

                rs.setLong(3, entity.kamas());

            }

        );

        return entity;

    }

    @Override

    public void delete(AccountBank entity) {

        utils.update("DELETE FROM BANK WHERE ACCOUNT_ID = ? AND SERVER_ID = ?", rs -> {

            rs.setInt(1, entity.accountId());

            rs.setInt(2, entity.serverId());

        });

    }

    @Override

    public AccountBank get(AccountBank entity) throws RepositoryException {

        try {

            return utils.findOne("SELECT * FROM BANK WHERE ACCOUNT_ID = ? AND SERVER_ID = ?", rs -> {

                rs.setInt(1, entity.accountId());

                rs.setInt(2, entity.serverId());

            });

        } catch (EntityNotFoundException e) {

            entity.setKamas(0); // Ensure that kamas are set to zero

            return entity;

        }

    }

    @Override

    public boolean has(AccountBank entity) {

        return utils.aggregate("SELECT COUNT(*) FROM BANK WHERE ACCOUNT_ID = ? AND SERVER_ID = ?", rs -> {

            rs.setInt(1, entity.accountId());

            rs.setInt(2, entity.serverId());

        }) > 0;

    }

    private static class Loader implements RepositoryUtils.Loader<AccountBank> {

        }

        @Override

        public AccountBank fillKeys(AccountBank entity, ResultSet keys) {

            throw new UnsupportedOperationException();

        }

    }

}