/*
    * The Kuali Financial System, a comprehensive financial management system for higher education.
    * 
    * Copyright 2005-2014 The Kuali Foundation
    * 
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero 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 Affero General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.kuali.kfs.module.purap.document.validation.impl;
  
  import org.kuali.kfs.module.purap.PurapKeyConstants;
  import org.kuali.kfs.module.purap.PurapPropertyConstants;
  import org.kuali.kfs.module.purap.businessobject.PurApAccountingLine;
  import org.kuali.kfs.sys.businessobject.AccountingLine;
  import org.kuali.kfs.sys.document.validation.GenericValidation;
  import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  public class PurchasingUpdateAccountingLineValidation extends GenericValidation {
  
      private AccountingLine updatedAccountingLine;
  
      public boolean validate(AttributedDocumentEvent event) {
          //this is necessary because sometimes this method is called for baseline accounts, should not be needed once baseline is removed
          if(updatedAccountingLine instanceof PurApAccountingLine) {
              return verifyAccountingLinePercent((PurApAccountingLine) updatedAccountingLine);
          }//else
          return true;
      }
  
      /**
       * Verifies that the accounting line percent is a whole number.
       * 
       * @param purapAccountingLine the accounting line to be validated
       * @return boolean false if the accounting line percent is not a whole number.
       */
      protected boolean verifyAccountingLinePercent(PurApAccountingLine purapAccountingLine) {
          // make sure it's a whole number
          if (purapAccountingLine.getAccountLinePercent().stripTrailingZeros().scale() > 0) {
              GlobalVariables.getMessageMap().putError(PurapPropertyConstants.ACCOUNTS, PurapKeyConstants.ERROR_PURCHASING_PERCENT_NOT_WHOLE, purapAccountingLine.getAccountLinePercent().toPlainString());
  
              return false;
          }
  
          return true;
      }
  
      public AccountingLine getUpdatedAccountingLine() {
          return updatedAccountingLine;
      }
  
      public void setUpdatedAccountingLine(AccountingLine updatedAccountingLine) {
          this.updatedAccountingLine = updatedAccountingLine;
      }
  
  }