PointsHandler.java

/*
 * Copyright (c) 2010 StockPlay development team
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 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 com.kapti.backend.api.user;

import com.kapti.backend.api.MethodClass;
import com.kapti.data.PointsTransaction;
import com.kapti.data.PointsTransaction.Fields;
import com.kapti.data.PointsTransaction.PointsTransactionPK;
import com.kapti.data.Rank;
import com.kapti.data.persistence.GenericDAO;
import com.kapti.data.persistence.GenericPointsTransactionDAO;
import com.kapti.exceptions.StockPlayException;
import com.kapti.filter.Filter;
import com.kapti.filter.parsing.Parser;
import com.kapti.filter.relation.RelationAnd;
import java.util.Collection;
import java.util.HashMap;
import java.util.Vector;

/**
 * \brief   Handler van de User.Points subklasse.
 *
 * Deze klasse is de handler van de User.Points subklasse. Ze staat in
 * voor de verwerking van aanroepen van functies die zich in deze klasse
 * bevinden, lokaal de correcte aanvragen uit te voeren, en het resultaat
 * op conforme wijze terug te sturen.
 */
public class PointsHandler extends MethodClass {

    public Vector<HashMap<String, Object>> Ranking(String iFilter) throws StockPlayException {
        // Get DAO reference
        GenericPointsTransactionDAO tPointsTransactionDAO = getDAO().getPointsTransactionDAO();

        // Create a filter
        Parser parser = Parser.getInstance();
        Filter filter = parser.parse(iFilter);

        // Fetch and convert all Indexs
        Collection<Rank> tRanking = tPointsTransactionDAO.findRankingByFilter(filter);
        Vector<HashMap<String, Object>> oVector = new Vector<HashMap<String, Object>>();
        for (Rank tRank : tRanking) {
            oVector.add(tRank.toStruct(
                    Rank.Fields.ID,
                    Rank.Fields.TOTAL,
                    Rank.Fields.RANK));
        }

        return oVector;
    }

    public Vector<HashMap<String, Object>> EventRanking(String iFilter) throws StockPlayException {
        // Get DAO reference
        GenericPointsTransactionDAO tPointsTransactionDAO = getDAO().getPointsTransactionDAO();

        // Create a filter
        Parser parser = Parser.getInstance();
        Filter filter = parser.parse(iFilter);

        // Fetch and convert all Indexs
        Collection<PointsTransaction> tRanking = tPointsTransactionDAO.findRankingEventByFilter(filter);
        Vector<HashMap<String, Object>> oVector = new Vector<HashMap<String, Object>>();
        for (PointsTransaction tPoints : tRanking) {
            oVector.add(tPoints.toStruct(
                    Fields.USER,
                    Fields.TYPE,
                    Fields.TIMESTAMP,
                    Fields.DELTA,
                    Fields.COMMENTS));
        }

        return oVector;
    }

    public Vector<HashMap<String, Object>> List(String iFilter) throws StockPlayException {
        // Get DAO reference
        GenericDAO<PointsTransaction, PointsTransactionPK> tPointsTransactionDAO = getDAO().getPointsTransactionDAO();

        // Create a filter
        Parser parser = Parser.getInstance();
        Filter filter = null;
        Filter base = parser.parse(iFilter);
        if (getRole().isPointsAdmin()) {
            filter = base;
        } else {
            Filter user = parser.parse("userid == '" + getUser().getId() + "'i");
            if (!base.empty()) {
                filter = Filter.merge(RelationAnd.class, base, user);
            } else {
                filter = user;
            }
        }

        // Fetch and convert all Indexs
        Collection<PointsTransaction> tTransactions = tPointsTransactionDAO.findByFilter(filter);
        Vector<HashMap<String, Object>> oVector = new Vector<HashMap<String, Object>>();
        for (PointsTransaction tTransaction : tTransactions) {
            oVector.add(tTransaction.toStruct(
                    Fields.USER,
                    Fields.TYPE,
                    Fields.TIMESTAMP,
                    Fields.DELTA,
                    Fields.COMMENTS));
        }

        return oVector;
    }

    public int CreateTransaction(HashMap<String, Object> iDetails) throws StockPlayException {
        // Get DAO reference
        GenericDAO<PointsTransaction, PointsTransactionPK> tPointsTransactionDAO = getDAO().getPointsTransactionDAO();

        // Instantiate a new transaction
        //iDetails.put(Fields.TIMESTAMP.toString(), DateHelper.convertCalendar(Calendar.getInstance(), TimeZone.getTimeZone("GMT")).getTime());
        PointsTransaction tTransaction = PointsTransaction.fromStruct(iDetails);
        tTransaction.applyStruct(iDetails);

        return tPointsTransactionDAO.create(tTransaction);

    }

    public int DeleteTransaction(HashMap<String, Object> iDetails) throws StockPlayException{
        // Get DAO reference
        GenericDAO<PointsTransaction, PointsTransactionPK> tPointsTransactionDAO = getDAO().getPointsTransactionDAO();

        PointsTransaction tTransaction = PointsTransaction.fromStruct(iDetails);

        return tPointsTransactionDAO.delete(tTransaction) ? 1:0;
    }
}