Github user abhinandanprateek commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/689#discussion_r37716634 --- Diff: plugins/database/quota/src/org/apache/cloudstack/api/response/QuotaResponseBuilderImpl.java --- @@ -0,0 +1,419 @@ +//Licensed to the Apache Software Foundation (ASF) under one +//or more contributor license agreements. See the NOTICE file +//distributed with this work for additional information +//regarding copyright ownership. The ASF licenses this file +//to you under the Apache License, Version 2.0 (the +//"License"); you may not use this file except in compliance +//with the License. You may obtain a copy of the License at +// +//http://www.apache.org/licenses/LICENSE-2.0 +// +//Unless required by applicable law or agreed to in writing, +//software distributed under the License is distributed on an +//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +//KIND, either express or implied. See the License for the +//specific language governing permissions and limitations +//under the License. +package org.apache.cloudstack.api.response; + +import com.cloud.exception.InvalidParameterValueException; +import com.cloud.user.Account; +import com.cloud.user.AccountVO; +import com.cloud.user.User; +import com.cloud.user.dao.AccountDao; +import com.cloud.user.dao.UserDao; +import com.cloud.utils.db.TransactionLegacy; + +import org.apache.cloudstack.api.command.QuotaBalanceCmd; +import org.apache.cloudstack.api.command.QuotaEmailTemplateListCmd; +import org.apache.cloudstack.api.command.QuotaEmailTemplateUpdateCmd; +import org.apache.cloudstack.api.command.QuotaStatementCmd; +import org.apache.cloudstack.api.command.QuotaTariffListCmd; +import org.apache.cloudstack.api.command.QuotaTariffUpdateCmd; +import org.apache.cloudstack.quota.QuotaService; +import org.apache.cloudstack.quota.constant.QuotaConfig; +import org.apache.cloudstack.quota.constant.QuotaTypes; +import org.apache.cloudstack.quota.dao.QuotaBalanceDao; +import org.apache.cloudstack.quota.dao.QuotaCreditsDao; +import org.apache.cloudstack.quota.dao.QuotaEmailTemplatesDao; +import org.apache.cloudstack.quota.dao.QuotaTariffDao; +import org.apache.cloudstack.quota.vo.QuotaBalanceVO; +import org.apache.cloudstack.quota.vo.QuotaCreditsVO; +import org.apache.cloudstack.quota.vo.QuotaEmailTemplatesVO; +import org.apache.cloudstack.quota.vo.QuotaTariffVO; +import org.apache.cloudstack.quota.vo.QuotaUsageVO; +import org.apache.cloudstack.region.RegionManager; +import org.apache.commons.lang.StringEscapeUtils; +import org.apache.log4j.Logger; +import org.springframework.stereotype.Component; + +import javax.ejb.Local; +import javax.inject.Inject; + +import java.math.BigDecimal; +import java.util.ArrayList; +import java.util.Calendar; +import java.util.Collections; +import java.util.Comparator; +import java.util.Date; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; + +@Component +@Local(value = QuotaResponseBuilderImpl.class) +public class QuotaResponseBuilderImpl implements QuotaResponseBuilder { + private static final Logger s_logger = Logger.getLogger(QuotaResponseBuilderImpl.class.getName()); + + @Inject + private QuotaTariffDao _quotaTariffDao; + @Inject + private QuotaBalanceDao _quotaBalanceDao; + @Inject + private QuotaCreditsDao _quotaCreditsDao; + @Inject + private QuotaEmailTemplatesDao _quotaEmailTemplateDao; + + @Inject + private UserDao _userDao; + @Inject + private QuotaService _quotaService; + @Inject + AccountDao _accountDao; + @Inject + private RegionManager _regionMgr; + + @Override + public QuotaTariffResponse createQuotaTariffResponse(QuotaTariffVO tariff) { + final QuotaTariffResponse response = new QuotaTariffResponse(); + response.setUsageType(tariff.getUsageType()); + response.setUsageName(tariff.getUsageName()); + response.setUsageUnit(tariff.getUsageUnit()); + response.setUsageDiscriminator(tariff.getUsageDiscriminator()); + response.setTariffValue(tariff.getCurrencyValue()); + response.setEffectiveOn(tariff.getEffectiveOn()); + response.setDescription(tariff.getDescription()); + response.setCurrency(QuotaConfig.QuotaCurrencySymbol.value()); + return response; + } + + @Override + public QuotaBalanceResponse createQuotaBalanceResponse(List<QuotaBalanceVO> quotaBalance, Date startDate, Date endDate) { + if (quotaBalance.size() == 0) { + new InvalidParameterValueException("The request period does not contain balance entries."); + } + Collections.sort(quotaBalance, new Comparator<QuotaBalanceVO>() { + public int compare(QuotaBalanceVO o1, QuotaBalanceVO o2) { + return o2.getUpdatedOn().compareTo(o1.getUpdatedOn()); // desc + } + }); + + int quota_activity = quotaBalance.size(); + QuotaBalanceResponse resp = new QuotaBalanceResponse(); + BigDecimal lastCredits = new BigDecimal(0); + boolean consecutive = true; + for (Iterator<QuotaBalanceVO> it = quotaBalance.iterator(); it.hasNext();) { + QuotaBalanceVO entry = it.next(); + s_logger.info("createQuotaBalanceResponse: Date=" + entry.getUpdatedOn().toGMTString() + " balance=" + entry.getCreditBalance() + " credit=" + entry.getCreditsId()); + if (entry.getCreditsId() > 0) { + if (consecutive) { + lastCredits = lastCredits.add(entry.getCreditBalance()); + } + resp.addCredits(entry); + it.remove(); --- End diff -- The list is for consumption in that method itself. Yes if it was being passed around from that method then the operation or overhead of copying would be useful.
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