//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at  http://www.nopCommerce.com/License.aspx. 
// 
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. 
// See the License for the specific language governing rights and limitations under the License.
// 
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
// 
// Contributor(s): _______. 
//------------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Mail;
using System.Text;
using System.Xml;
using NopSolutions.NopCommerce.Common.Audit;
using NopSolutions.NopCommerce.Common.Tasks;
using NopSolutions.NopCommerce.Common.Configuration.Settings;

namespace NopSolutions.NopCommerce.Common.CustomerManagement
{
    /// <summary>
    /// Represents a task for deleting expires customer sessions
    /// </summary>
    public class DeleteExpiresCustomerSessionsTask : ITask
    {
        private int _deleteExpiredCustomerSessionsOlderThanMinutes = 43200; //30 days

        /// <summary>
        /// Executes a task
        /// </summary>
        /// <param name="node">Xml node that represents a task description</param>
        public void Execute(XmlNode node)
        {
            XmlAttribute attribute1 = node.Attributes["deleteExpiredCustomerSessionsOlderThanMinutes"];
            if (attribute1 != null && !String.IsNullOrEmpty(attribute1.Value))
            {
                this._deleteExpiredCustomerSessionsOlderThanMinutes = int.Parse(attribute1.Value);
            }

            CustomerSessionCollection customerSessions = CustomerManager.GetAllCustomerSessions();
            foreach (CustomerSession customerSession in customerSessions)
            {
                if (customerSession.LastAccessed.AddMinutes((double)this._deleteExpiredCustomerSessionsOlderThanMinutes) < DateTime.UtcNow)
                {
                    //may be marking as expired is better way ???
                    CustomerManager.DeleteCustomerSession(customerSession.CustomerSessionGUID);
                }
            }
        }
    }
}
