pgentity.services.GiftServices.java Source code

Introduction

Here is the source code for pgentity.services.GiftServices.java

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package pgentity.services;

import java.util.Collection;
import java.util.Map;
import java.util.Set;
import org.json.simple.JSONValue;
import pgentity.Gift;
import pgentity.UserGifts;
import pgentity.prize.PrizeFactory;
import share.PGError;
import db.PGKeys;
import share.PGException;

/**
 *
 * @author KieuAnh
 */
public class GiftServices {
    private GiftServices() {
        super();
    }

    private static final GiftServices inst = new GiftServices();

    public static GiftServices inst() {
        return inst;
    }

    public Gift sendGift(Collection<String> receivers, Map<String, Object> giftPrize, long now, int expired) {
        try {
            PrizeFactory.getPrize(giftPrize);
        } catch (Exception ex) {
            PGException.Assert(false, PGError.INVALID_GIFT,
                    "Invalid gift prize " + JSONValue.toJSONString(giftPrize));
        }

        String giftID = PGKeys.randomKey();
        Gift gift = Gift.newGift(giftID, giftPrize, now, expired);

        for (String uid : receivers) {
            UserGifts userGifts = UserGifts.getGift(uid);
            userGifts.add(giftID);
        }

        return gift;
    }

    public void destroyGifts(String uid) {
        UserGifts userGifts = UserGifts.getGift(uid);
        Set<String> allGifts = userGifts.getAll();

        for (String giftID : allGifts) {
            Gift.destroyGift(giftID);
        }

        UserGifts.destroy(uid);
    }
}