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) 2017-2020 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.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.Banishment;

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

import fr.quatrevieux.araknemu.data.transformer.Transformer;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.time.Instant;

import java.util.List;

/**

 * SQL Implementation for {@link BanishmentRepository}

 */

final class SqlBanishmentRepository implements BanishmentRepository {

    private final QueryExecutor executor;

    private final RepositoryUtils<Banishment> utils;

    private final Transformer<Instant> instantTransformer;

    public SqlBanishmentRepository(QueryExecutor executor, Transformer<Instant> instantTransformer) {

        this.executor = executor;

        this.instantTransformer = instantTransformer;

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

    }

    @Override

    public void initialize() throws RepositoryException {

        try {

            executor.query(

                "CREATE TABLE BANISHMENT (" +

                    "BANISHMENT_ID INTEGER PRIMARY KEY AUTOINCREMENT," +

                    "ACCOUNT_ID INTEGER," +

                    "START_DATE DATETIME," +

                    "END_DATE DATETIME," +

                    "CAUSE VARCHAR(255)," +

                    "BANISHER_ID INTEGER" +

                ")"

            );

            executor.query("CREATE INDEX IDX_IS_BANISHMENT ON BANISHMENT (ACCOUNT_ID, START_DATE, END_DATE)");

        } catch (SQLException e) {

            throw new RepositoryException(e);

        }

    }

    @Override

    public void destroy() throws RepositoryException {

        try {

            executor.query("DROP TABLE BANISHMENT");

        } catch (SQLException e) {

            throw new RepositoryException(e);

        }

    }

    @Override

    public Banishment add(Banishment entity) {

        return utils.update(

            "INSERT INTO BANISHMENT (`ACCOUNT_ID`, `START_DATE`, `END_DATE`, `CAUSE`, `BANISHER_ID`) VALUES (?, ?, ?, ?, ?)",

            rs -> {

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

                rs.setString(2, instantTransformer.serialize(entity.startDate()));

                rs.setString(3, instantTransformer.serialize(entity.endDate()));

                rs.setString(4, entity.cause());

                rs.setInt(5, entity.banisherId());

            },

            entity

        );

    }

    @Override

    public void delete(Banishment entity) {

        utils.update("DELETE FROM BANISHMENT WHERE BANISHMENT_ID = ?", stmt -> stmt.setInt(1, entity.id()));

    }

    }

    @Override

    public boolean has(Banishment entity) {

        return utils.aggregate(

            "SELECT COUNT(*) FROM BANISHMENT WHERE BANISHMENT_ID = ?",

            stmt -> stmt.setInt(1, entity.id())

        ) > 0;

    }

    @Override

    public boolean isBanned(int accountId) {

        final String date = instantTransformer.serialize(Instant.now());

        return utils.aggregate(

            "SELECT COUNT(*) FROM BANISHMENT WHERE ACCOUNT_ID = ? AND START_DATE <= ? AND END_DATE >= ?",

            stmt -> {

                stmt.setInt(1, accountId);

                stmt.setString(2, date);

                stmt.setString(3, date);

            }

        ) > 0;

    }

    @Override

    public List<Banishment> forAccount(int accountId) {

        return utils.findAll(

            "SELECT * FROM BANISHMENT WHERE ACCOUNT_ID = ? ORDER BY START_DATE DESC",

            stmt -> stmt.setInt(1, accountId)

        );

    }

    @Override

    public void removeActive(int accountId) {

        final String date = instantTransformer.serialize(Instant.now());

        utils.update(

            "DELETE FROM BANISHMENT WHERE ACCOUNT_ID = ? AND START_DATE <= ? AND END_DATE >= ?",

            stmt -> {

                stmt.setInt(1, accountId);

                stmt.setString(2, date);

                stmt.setString(3, date);

            }

        );

    }

        @Override

        public Banishment create(Record record) throws SQLException {

            return new Banishment(

                record.getInt("BANISHMENT_ID"),

                record.getInt("ACCOUNT_ID"),

                record.unserialize("START_DATE", instantTransformer),

                record.unserialize("END_DATE", instantTransformer),

                record.getString("CAUSE"),

                record.getInt("BANISHER_ID")

            );

        }

        @Override

        public Banishment fillKeys(Banishment entity, ResultSet keys) throws SQLException {

            return entity.withId(keys.getInt(1));

        }

    }

}