AliasTableRicerchePersonalizzate.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.core.plugins.utils;

import java.util.ArrayList;
import java.util.List;

import org.openspcoop2.core.plugins.model.PluginModel;
import org.openspcoop2.core.plugins.model.PluginProprietaCompatibilitaModel;
import org.openspcoop2.generic_project.beans.IAliasTableField;
import org.openspcoop2.generic_project.beans.IField;
import org.openspcoop2.generic_project.exception.ExpressionException;
import org.openspcoop2.generic_project.exception.ExpressionNotImplementedException;
import org.openspcoop2.generic_project.expression.IExpression;
import org.openspcoop2.generic_project.expression.impl.sql.ISQLFieldConverter;
import org.openspcoop2.utils.sql.ISQLQueryObject;
import org.openspcoop2.utils.sql.SQLQueryObjectException;

/**     
 * AliasTableRicerchePersonalizzate
 *
 * @author Poli Andrea (poli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class AliasTableRicerchePersonalizzate {

    public static final String ALIAS_PREFIX = "op2S";
    
    private static List<String> addFromTable(IExpression expression, ISQLQueryObject sqlQueryObject,
            ISQLFieldConverter fieldConverter,PluginProprietaCompatibilitaModel proprietaModel) throws ExpressionNotImplementedException, ExpressionException, SQLQueryObjectException{
        List<IField> iFields = expression.getFields(true);
        List<String> tabelleAggiunteAlias = new ArrayList<>();
        if(iFields!=null && iFields.size()>0){
            for (IField iField : iFields) {
                if(iField instanceof IAliasTableField){
                    IAliasTableField af = (IAliasTableField) iField;
                    String aliasTabella = null;
                    
                    if(proprietaModel.NOME.equals(af.getField()) ){
                        aliasTabella = af.getAliasTable();
                    }
                    
                    if(aliasTabella!=null){
                        if(tabelleAggiunteAlias.contains(aliasTabella)==false){
                            //sqlQueryObject.addFromTable(fieldConverter.toTable(contenutiModel), aliasTabella);
                            //Lo fa gia in automatico la gestione dell'Expression
                            tabelleAggiunteAlias.add(aliasTabella);
                        }
                    }
                    
                }
            }
        }
        return tabelleAggiunteAlias;
    }
    
    
    public static void join(IExpression expression, ISQLQueryObject sqlQueryObject, PluginModel model,PluginProprietaCompatibilitaModel modelProprieta,
            ISQLFieldConverter sqlFieldConverter) throws ExpressionNotImplementedException, ExpressionException, SQLQueryObjectException{
        List<String> tableWithAlias = AliasTableRicerchePersonalizzate.addFromTable(expression, sqlQueryObject, sqlFieldConverter,modelProprieta);
        if(tableWithAlias!=null && tableWithAlias.size()>0){
            String tableName2 = sqlFieldConverter.toTable(model);
            for (String aliasTable : tableWithAlias) {
                sqlQueryObject.addWhereCondition(aliasTable+".id_plugin="+tableName2+".id");    
            }
        }
        else{
            if(expression.inUseModel(modelProprieta,false)){
                String tableName1 = sqlFieldConverter.toTable(modelProprieta);
                String tableName2 = sqlFieldConverter.toTable(model);
                sqlQueryObject.addWhereCondition(tableName1+".id_plugin="+tableName2+".id");
            }
        }
        
    }
}