Package protocol

Source Code of protocol.EditEventTypeQuery

/**
*
*/
package protocol;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

import domain.EventType;

/**
* @author Nufar Oren
*
*/
public class EditEventTypeQuery extends Query
{
  /**
   *
   */
  private static final long serialVersionUID = 1898632870192382727L;
  private Long id;
  private String description;
  private String color;
 
  public EditEventTypeQuery() {} // required for Gson
 
  /**
   * Checks if the manager send this request,
   * Checks if the given id, description and color are valid
   * and then update the event-type in the database
   */
  @Override
  protected Response internalExecute(HttpServletRequest request, Session databaseSession) {
 
    Response response = null;
    EventType oldEventType = null;
    HttpSession httpSession = request.getSession();
   
    // if user is not a manager, he can't continue
    if( ! ((Boolean) httpSession.getAttribute("manager")) ) {
     
      return new Response(ResponseStatus.FAIL, "No authorization");
    }
   
    try
     
      oldEventType = (EventType) databaseSession.createCriteria(EventType.class)
                  .add(Restrictions.eq("id", this.id))
                  .uniqueResult();
     
      if (null == oldEventType) {
        throw new IllegalArgumentException("The user you are editing was not found.");
      }
     
      Transaction transaction = databaseSession.beginTransaction();     
 
      oldEventType.setColor(this.color);
      oldEventType.setDescription(this.description);
      databaseSession.update(oldEventType);
 
      transaction.commit();
      response = new Response(ResponseStatus.OK);
    }
    catch (Exception ex) {
      // if there was an error, it'll be set here.
      response = new Response(ResponseStatus.FAIL, ex.toString());
    }
 
    return response;
     
  }
}
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