gwap.search.MitSearchBean.java Source code

Introduction

Here is the source code for gwap.search.MitSearchBean.java

Source

/*
 * This file is part of gwap, an open platform for games with a purpose
 *
 * Copyright (C) 2013
 * Project play4science
 * Lehr- und Forschungseinheit fr Programmier- und Modellierungssprachen
 * Ludwig-Maximilians-Universitt Mnchen
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package gwap.search;

import gwap.model.action.Bet;
import gwap.model.resource.Statement;

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

import javax.persistence.EntityManager;
import javax.persistence.Query;

import org.apache.solr.client.solrj.SolrQuery;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;

/**
 * @author Fabian Kneil
 */
@Name("mitSearchBean")
@Scope(ScopeType.PAGE)
public class MitSearchBean extends SolrSearchBean {

    private static final long serialVersionUID = -6337457799491522338L;

    protected static final List<SearchSpecialParameter> specialWords;
    protected Statement selectedStatement;
    protected Bet selectedBet;
    @In
    protected EntityManager entityManager;

    static {
        specialWords = new ArrayList<SearchSpecialParameter>();
        specialWords.add(new SearchSpecialParameter("femminile", "gender:1"));
        specialWords.add(new SearchSpecialParameter("maschile", "gender:2"));
        specialWords.add(new SearchSpecialParameter("giovane", "maturity:1"));
        specialWords.add(new SearchSpecialParameter("anziano", "maturity:2"));
        specialWords.add(new SearchSpecialParameter("poco-istruito", "cultivation:1"));
        specialWords.add(new SearchSpecialParameter("istruito", "cultivation:2"));
    }

    public MitSearchBean() {
        RESULTS_PER_PAGE = 10;
    }

    @Override
    public SolrQuery generateQuery() {
        if (isQueryEmpty())
            return null;
        // 1. Parse queryString and look for locations and special characterization words (variable "specialWords")
        String[] queryArray = queryBean.getQueryString().split("\\s+");
        String solrQueryString = "";
        String solrBoostString = null;
        for (int i = 0; i < queryArray.length; i++) {
            boolean found = false;
            for (SearchSpecialParameter special : specialWords) {
                if (special.getWord().equals(queryArray[i])) {
                    solrQueryString += special.getQueryReplacement() + " ";
                    solrBoostString = special.getBoostFunction();
                    found = true;
                }
            }
            if (!found)
                solrQueryString += queryArray[i] + " ";
        }
        //TODO for locations

        SolrQuery solrQuery = new SolrQuery(solrQueryString);
        solrQuery.setParam("defType", "edismax");
        solrQuery.setParam("qf", "statement standard highlighted location_name");
        if (solrBoostString != null)
            solrQuery.setParam("bf", solrBoostString);
        return solrQuery;
    }

    public void showDetail(Long selectedStatementId) {
        selectedStatement = entityManager.find(Statement.class, selectedStatementId);

        Query q = entityManager.createNamedQuery("bet.byResourceAndPerson").setParameter("person", person)
                .setParameter("resource", selectedStatement);
        List<Bet> betList = q.getResultList();
        if (betList.size() > 0)
            selectedBet = betList.get(0);
        else
            selectedBet = null;

        log.info("Selected Statement in showDetail(): " + selectedStatementId);
    }

    public Statement getSelectedStatement() {
        return selectedStatement;
    }

    public Bet getSelectedBet() {
        return selectedBet;
    }

}