content: // 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
  // 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 com.cloud.usage.parser;
  
  import java.text.DecimalFormat;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.inject.Inject;
  
  import com.cloud.usage.UsageManagerImpl;
  import com.cloud.utils.DateUtil;
  import org.springframework.stereotype.Component;
  
  import org.apache.cloudstack.usage.UsageTypes;
  
  import com.cloud.usage.UsageSnapshotOnPrimaryVO;
  import com.cloud.usage.UsageVO;
  import com.cloud.usage.dao.UsageVMSnapshotOnPrimaryDao;
  import com.cloud.user.AccountVO;
  
  import static com.cloud.utils.NumbersUtil.toHumanReadableSize;
  
  @Component
  public class VMSnapshotOnPrimaryParser extends UsageParser {
      @Inject
      private UsageVMSnapshotOnPrimaryDao usageSnapshotOnPrimaryDao;
  
      @Override
      public String getParserName() {
          return "VM Snapshot on Primary";
      }
  
      @Override
      protected boolean parse(AccountVO account, Date startDate, Date endDate) {
          if ((endDate == null) || endDate.after(new Date())) {
              endDate = new Date();
          }
  
          List<UsageSnapshotOnPrimaryVO> usageUsageVMSnapshots = usageSnapshotOnPrimaryDao.getUsageRecords(account.getId(), account.getDomainId(), startDate, endDate);
  
          if (usageUsageVMSnapshots.isEmpty()) {
              logger.debug("No VM snapshot on primary usage events for this period");
              return true;
          }
  
          Map<String, UsageSnapshotOnPrimaryVO> unprocessedUsage = new HashMap<String, UsageSnapshotOnPrimaryVO>();
          for (UsageSnapshotOnPrimaryVO usageRec : usageUsageVMSnapshots) {
              logger.debug("usageRec for VMsnap on primary [{}]", usageRec.toString());
              String key = usageRec.getName();
              if (usageRec.getPhysicalSize() == 0) {
                  usageRec.setDeleted(new Date());
                  usageSnapshotOnPrimaryDao.updateDeleted(usageRec);
              } else {
                  unprocessedUsage.put(key, usageRec);
              }
          }
  
          for (String key : unprocessedUsage.keySet()) {
              UsageSnapshotOnPrimaryVO usageRec = unprocessedUsage.get(key);
              Date created = usageRec.getCreated();
              if (created.before(startDate)) {
                  created = startDate;
              }
              Date endDateEffective = endDate;
              if (usageRec.getDeleted() != null && usageRec.getDeleted().before(endDate)){
                  endDateEffective = usageRec.getDeleted();
                  logger.debug("Removed vm snapshot found endDateEffective [{}] period end data [{}]", endDateEffective, endDate);
              }
              long duration = (endDateEffective.getTime() - created.getTime()) + 1;
              createUsageRecord(UsageTypes.VM_SNAPSHOT_ON_PRIMARY, duration, created, endDateEffective, account, usageRec.getVolumeId(), usageRec.getName(), usageRec.getZoneId(),
                      usageRec.getVirtualSize(), usageRec.getPhysicalSize(), usageRec.getVmSnapshotId());
          }
  
          return true;
      }
  
      private void createUsageRecord(int usageType, long runningTime, Date startDate, Date endDate, AccountVO account, long vmId, String name, long zoneId, long virtualSize,
                                            long physicalSize, Long vmSnapshotId) {
          // Our smallest increment is hourly for now
          logger.debug("Total running time {} ms", runningTime);
  
          float usage = runningTime / 1000f / 60f / 60f;
  
          DecimalFormat dFormat = new DecimalFormat("#.######");
          String usageDisplay = dFormat.format(usage);
  
          logger.debug("Creating usage record for VMSnapshot with id [{}] in primary, vm [{}], usage [{}], startDate [{}], and endDate [{}], for account [{}].",
                  vmSnapshotId, vmId, usageDisplay, DateUtil.displayDateInTimezone(UsageManagerImpl.getUsageAggregationTimeZone(), startDate),
                  DateUtil.displayDateInTimezone(UsageManagerImpl.getUsageAggregationTimeZone(), endDate), account.getId());
  
          // Create the usage record
          String usageDesc = "VMSnapshot Id: " + vmSnapshotId + " On Primary Usage: VM Id: " + vmId;
          usageDesc += " Size: " + toHumanReadableSize(virtualSize);
  
          UsageVO usageRecord = new UsageVO(zoneId, account.getId(), account.getDomainId(), usageDesc, usageDisplay + " Hrs", usageType, new Double(usage), vmId, name, null, null,
                  vmSnapshotId, physicalSize, virtualSize, startDate, endDate);
          usageDao.persist(usageRecord);
      }
  
  }
  