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Unsubscribe.aspx.cs
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Unsubscribe.aspx.cs
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using System;
using System.Net;
using System.Web.UI.WebControls;
using Project.Infrastructure.Helpers;
using FlyerMe.Controls;
namespace FlyerMe
{
public partial class Unsubscribe : PageBase
{
protected override String ScriptsBundleName
{
get
{
return "~/bundles/scripts/unsubscribe";
}
}
protected override MetaObject MetaObject
{
get
{
return MetaObject.Create()
.SetPageTitle("Unsubscribe | {0}", clsUtility.ProjectName);
}
}
protected void Page_Load(Object sender, EventArgs e)
{
Request.RedirectToHttpIfRequired(Response);
if (Request.IsGet())
{
inputEmail.Attributes["type"] = "email";
if (Request["email"].HasText())
{
inputEmail.Value = Request["email"];
}
if (CanUnsubscribeByIdAndKey())
{
divContentUnsubscribe.Visible = false;
divUnsubscibeByIdAndSecretPreview.Visible = true;
}
}
}
protected void btnUnsubscribe_Click(Object sender, EventArgs e)
{
if (inputEmail.Value.HasNoText())
{
message.MessageText = "Email is required.";
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
if (message.MessageText.HasNoText())
{
var subBLL = new SubscribeBLL();
Helper.InsertEmailInSpamList(inputEmail.Value.Trim());
if (subBLL.UnsubscribeByEmail(inputEmail.Value.Trim()))
{
message.MessageText = "You have been successfully unsubscribed. Please allow 48 hours for this to take effect. Thank you.";
message.MessageClass = Admin.Controls.MessageClassesEnum.Ok;
}
else
{
message.MessageText = "Your address has been removed from our mailing list.";
message.MessageClass = Admin.Controls.MessageClassesEnum.Ok;
}
}
if (message.MessageClass == Admin.Controls.MessageClassesEnum.Ok)
{
message.RedirectToShowMessage();
}
else
{
message.ShowMessage();
}
}
protected void lbUnsubscribeByIdAndSecret_Command(Object sender, CommandEventArgs e)
{
var subscriberIdStr = Request["s"];
var key = Request["k"];
Int64 @int64;
Int64 subscriberId = 0L;
if (!Int64.TryParse(subscriberIdStr, out @int64))
{
message.MessageText = "Subscriber ID should be an integral number.";
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
else
{
subscriberId = @int64;
}
if (message.MessageText.HasNoText())
{
try
{
var subBLL = new SubscribeBLL();
var subscribersDataTable = subBLL.GetSubscriberById(subscriberId);
if (subscribersDataTable.Rows.Count > 0)
{
var lastName = subscribersDataTable.Rows[0]["last_name"] as String;
var lastNameHash = SecurityHelper.GetHashOfString(lastName).Substring(0, 5);
if (String.Compare(key, lastNameHash, true) != 0)
{
message.MessageText = String.Format("k parameter is not valid. Ensure that you opened this page from link in your e-mail box. Also you can unsubscribe <a href='{0}'>here</a>. You can <a href='{1}'>contact us</a> for assistance.", ResolveUrl("~/unsubscribe.aspx"), ResolveUrl("~/contacts.aspx"));
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
if (message.MessageText.HasNoText())
{
if (subBLL.Unsubscribe(subscriberId))
{
message.MessageClass = Admin.Controls.MessageClassesEnum.Ok;
try
{
using (var obj = new clsData())
{
obj.strSql = @"insert into tblUnsubscribers(Subscriber_ID, LastName, UnsubscribeDateTime, IPAddress)
values(" + subscriberId + ", '" + lastName.Replace("'", "''") + "', '" + DateTime.Now.ToString() + "', '" + Request.UserHostAddress + "')";
obj.ExecuteSql();
}
}
catch
{
}
}
else
{
message.MessageText = String.Format("System encountered a problem. Please try again later or <a href='{0}'>contact us</a> for assistance.", ResolveUrl("~/contacts.aspx"));
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
}
}
else
{
message.MessageText = String.Format("Subscriber ID {0} doesn't exist.", subscriberIdStr);
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
}
catch (Exception ex)
{
message.MessageText = String.Format("Unhandled error occured. Please try again later or <a href='{0}'>contact us</a> for assistance. Message: {1}", ResolveUrl("~/contacts.aspx"), ex.Message);
message.MessageClass = Admin.Controls.MessageClassesEnum.Error;
}
}
if (message.MessageClass != Admin.Controls.MessageClassesEnum.Ok)
{
message.ShowMessage();
}
else
{
message.HideMessage();
divUnsubscibeByIdAndSecretPreview.Visible = false;
divSubscibeByIdAndSecret.Visible = true;
}
}
protected void lbSubscribeByIdAndSecret_Command(Object sender, CommandEventArgs e)
{
if (CanSubscribeByIdAndKey())
{
var subscriberIdStr = Request["s"];
var key = Request["k"];
Int64 @int64;
Int64 subscriberId = 0L;
if (!Int64.TryParse(subscriberIdStr, out @int64))
{
message.MessageText = "Subscriber ID should be an integral number.";
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
else
{
subscriberId = @int64;
}
if (message.MessageText.HasNoText())
{
try
{
var subBLL = new SubscribeBLL();
var subscribersDataTable = subBLL.GetSubscriberById(subscriberId);
if (subscribersDataTable.Rows.Count > 0)
{
var lastName = subscribersDataTable.Rows[0]["last_name"] as String;
var lastNameHash = SecurityHelper.GetHashOfString(lastName).Substring(0, 5);
if (String.Compare(key, lastNameHash, true) != 0)
{
message.MessageText = String.Format("k parameter is not valid. Ensure that you opened this page from link in your e-mail box. Also you can subscribe <a href='{0}'>here</a>.", ResolveUrl("~/subscribe.aspx"), ResolveUrl("~/contacts.aspx"));
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
if (subBLL.Subscribe(subscriberId))
{
message.MessageClass = Admin.Controls.MessageClassesEnum.Ok;
message.MessageText = "Subscription has been successfully recovered.";
try
{
using (var obj = new clsData())
{
obj.strSql = @"delete from tblUnsubscribers where Subscriber_ID=" + subscriberId.ToString();
obj.ExecuteSql();
}
}
catch
{
}
}
else
{
message.MessageText = String.Format("System encountered a problem. Please try again later or <a href='{0}'>contact us</a> for assistance.", ResolveUrl("~/contacts.aspx"));
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
}
else
{
message.MessageText = String.Format("Subscriber ID {0} doesn't exist.", subscriberIdStr);
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
}
catch (Exception ex)
{
message.MessageText = String.Format("Unhandled error occured. Please try again later or <a href='{0}'>contact us</a> for assistance. Message: {1}", ResolveUrl("~/contacts.aspx"), ex.Message);
message.MessageClass = Admin.Controls.MessageClassesEnum.Error;
}
}
}
else
{
message.MessageText = String.Format("Not applicable. Subscription recovery is only available for those who have unsubscribed from email link. You can subscribe <a href='{0}'>here</a>.", ResolveUrl("~/subscribe.aspx"));
message.MessageClass = Admin.Controls.MessageClassesEnum.System;
}
if (message.MessageClass != Admin.Controls.MessageClassesEnum.Ok)
{
message.ShowMessage();
}
else
{
message.ShowMessage();
divUnsubscibeByIdAndSecretPreview.Visible = true;
divSubscibeByIdAndSecret.Visible = false;
}
}
#region private
private Boolean CanUnsubscribeByIdAndKey()
{
return Request["s"].HasText() && Request["k"].HasText();
}
private Boolean CanSubscribeByIdAndKey()
{
return Request["s"].HasText() && Request["k"].HasText();
}
#endregion
}
}