src/main/java/de/uapcore/lightpit/dao/postgres/PGModuleDao.java

/*
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 *
 * Copyright 2018 Mike Becker. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *      notice, this list of conditions and the following disclaimer.
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 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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package de.uapcore.lightpit.dao.postgres;

import de.uapcore.lightpit.LightPITModule;
import de.uapcore.lightpit.dao.AbstractDao;
import de.uapcore.lightpit.dao.ModuleDao;
import de.uapcore.lightpit.entities.Module;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
import java.util.Set;

public final class PGModuleDao extends AbstractDao<Module> implements ModuleDao {

    @Override
    protected PreparedStatement listQuery(Connection connection) throws SQLException {
        return connection.prepareStatement("select * from lpitcore_module");
    }

    @Override
    protected Module mapColumns(ResultSet result) throws SQLException {
        final var mod = new Module();
        mod.setModID(result.getInt("modid"));
        mod.setClassname(result.getString("classname"));
        mod.setVisible(result.getBoolean("visible"));
        mod.setPriority(result.getInt("priority"));
        return mod;
    }

    @Override
    public void syncRegisteredModuleClasses(Connection conn, Set<Map.Entry<String, LightPITModule>> moduleSet) throws SQLException {

        var check = conn.prepareStatement("select visible from lpitcore_module where classname = ?");
        var insert = conn.prepareStatement("insert into lpitcore_module (classname, visible, priority) values (?, ?, ?)");
        insert.setBoolean(2, true);
        // update/delete not required, we do this in the module management UI

        for (Map.Entry<String, LightPITModule> modEntry : moduleSet) {
            if (modEntry.getValue().systemModule()) continue;

            check.setString(1, modEntry.getKey());
            try (ResultSet r = check.executeQuery()) {
                if (!r.next()) {
                    insert.setString(1, modEntry.getKey());
                    insert.setInt(3, modEntry.getValue().defaultPriority());
                    insert.executeUpdate();
                }
            }
        }
    }
}