/*
   * 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.
   */
  
  import org.ofbiz.entity.util.EntityFindOptions;
  import org.ofbiz.entity.condition.*;
  import org.ofbiz.entity.transaction.TransactionUtil;
  import org.ofbiz.base.util.*
  
  module = "showvisits.groovy";
  
  partyId = parameters.partyId;
  context.partyId = partyId;
  
  showAll = parameters.showAll ?:"false";
  context.showAll = showAll;
  
  sort = parameters.sort;
  context.sort = sort;
  
  visitListIt = null;
  sortList = ["-fromDate"];
  if (sort) sortList.add(0, sort);
  
  boolean beganTransaction = false;
  try {
      beganTransaction = TransactionUtil.begin();
  
      viewIndex = Integer.valueOf(parameters.VIEW_INDEX  ?: 1);
      viewSize = Integer.valueOf(parameters.VIEW_SIZE ?: UtilProperties.getPropertyValue("widget", "widget.form.defaultViewSize"));
      context.viewIndex = viewIndex;
      context.viewSize = viewSize;
  
      // get the indexes for the partial list
      lowIndex = (((viewIndex - 1) * viewSize) + 1);
      highIndex = viewIndex * viewSize;
  
      if (partyId) {
          visitListIt = delegator.find("Visit", EntityCondition.makeCondition("partyId", EntityOperator.EQUALS, partyId), null, null, sortList, new EntityFindOptions(true, EntityFindOptions.TYPE_SCROLL_INSENSITIVE, EntityFindOptions.CONCUR_READ_ONLY, -1, highIndex, true));
      } else if (showAll.equalsIgnoreCase("true")) {
          visitListIt = delegator.find("Visit", null, null, null, sortList, new EntityFindOptions(true, EntityFindOptions.TYPE_SCROLL_INSENSITIVE, EntityFindOptions.CONCUR_READ_ONLY, -1, highIndex, true));
      } else {
          // show active visits
          visitListIt = delegator.find("Visit", EntityCondition.makeCondition("thruDate", EntityOperator.EQUALS, null), null, null, sortList, new EntityFindOptions(true, EntityFindOptions.TYPE_SCROLL_INSENSITIVE, EntityFindOptions.CONCUR_READ_ONLY, -1, highIndex, true));
      }
  
      // get the partial list for this page
      visitList = visitListIt.getPartialList(lowIndex, viewSize);
      if (!visitList) {
          visitList = new ArrayList();
      }
  
      visitListSize = visitListIt.getResultsSizeAfterPartialList();
      if (highIndex > visitListSize) {
          highIndex = visitListSize;
      }
      context.visitSize = visitListSize;
  
      visitListIt.close();
  } catch (Exception e) {
      String errMsg = "Failure in operation, rolling back transaction";
      Debug.logError(e, errMsg, module);
      try {
          // only rollback the transaction if we started one...
          TransactionUtil.rollback(beganTransaction, errMsg, e);
      } catch (Exception e2) {
          Debug.logError(e2, "Could not rollback transaction: " + e2.toString(), module);
      }
      // after rolling back, rethrow the exception
      throw e;
  } finally {
      // only commit the transaction if we started one... this will throw an exception if it fails
      TransactionUtil.commit(beganTransaction);
  }
  
  context.visitList = visitList;
  listSize = 0;
  if (visitList) {
      listSize = lowIndex + visitList.size();
  }
  
  if (listSize < highIndex) {
      highIndex = listSize;
  }
  context.lowIndex = lowIndex;
  context.highIndex = highIndex;
  context.listSize = listSize;