/// <summary>
/// Replaces the input text's personalization placeholders
/// </summary>
private static string ReplacePersonalizationPlaceholders(string text, SubscriberInfo subscriber, bool isHtml)
{
if (isHtml)
{
text = Regex.Replace(text, @"<%\s*username\s*%>",
subscriber.UserName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*email\s*%>",
subscriber.Email, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*firstname\s*%>",
(subscriber.FirstName.Length > 0 ? subscriber.FirstName : "reader"),
RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*lastname\s*%>",
subscriber.LastName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
}
else
{
text = Regex.Replace(text, @"<%\s*username\s*%>",
subscriber.UserName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*email\s*%>",
subscriber.Email, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*firstname\s*%>",
(subscriber.FirstName.Length > 0 ? subscriber.FirstName : "reader"),
RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*lastname\s*%>",
subscriber.LastName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
}
return(text);
}
/// <summary>
/// Sends the newsletter e-mails to all subscribers
/// </summary>
private static void SendEmails(object data)
{
object[] parameters = (object[])data;
string subject = (string)parameters[0];
string plainTextBody = (string)parameters[1];
string htmlBody = (string)parameters[2];
bool isTestCall = (bool)parameters[3];
HttpContext context = (HttpContext)parameters[4];
if (isTestCall)
{
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails = 1256;
Lock.ReleaseWriterLock();
for (int i = 1; i <= 1256; i++)
{
Thread.Sleep(15);
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.SentMails = i;
Newsletter.PercentageCompleted =
(double)Newsletter.SentMails * 100 / (double)Newsletter.TotalMails; ;
Lock.ReleaseWriterLock();
}
}
else
{
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails = 0;
Lock.ReleaseWriterLock();
// check if the plain-text and the HTML bodies have personalization placeholders
// that will need to be replaced on a per-mail basis. If not, the parsing will
// be completely avoided later.
bool plainTextIsPersonalized = HasPersonalizationPlaceholders(plainTextBody, false);
bool htmlIsPersonalized = HasPersonalizationPlaceholders(htmlBody, true);
// retrieve all subscribers to the plain-text and HTML newsletter,
List<SubscriberInfo> subscribers = new List<SubscriberInfo>();
ProfileCommon profile = context.Profile as ProfileCommon;
foreach (MembershipUser user in Membership.GetAllUsers())
{
ProfileCommon userProfile = profile.GetProfile(user.UserName);
if (userProfile.Preferences.Newsletter != SubscriptionType.None)
{
SubscriberInfo subscriber = new SubscriberInfo(
user.UserName, user.Email, userProfile.FirstName, userProfile.LastName,
userProfile.Preferences.Newsletter);
subscribers.Add(subscriber);
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails += 1;
Lock.ReleaseWriterLock();
}
}
// send the newsletter
SmtpClient smtpClient = new SmtpClient();
foreach (SubscriberInfo subscriber in subscribers)
{
MailMessage mail = new MailMessage();
mail.From = new MailAddress(Settings.FromEmail, Settings.FromDisplayName);
mail.To.Add(subscriber.Email);
mail.Subject = subject;
if (subscriber.SubscriptionType == SubscriptionType.PlainText)
{
string body = plainTextBody;
if (plainTextIsPersonalized)
body = ReplacePersonalizationPlaceholders(body, subscriber, false);
mail.Body = body;
mail.IsBodyHtml = false;
}
else
{
string body = htmlBody;
if (htmlIsPersonalized)
body = ReplacePersonalizationPlaceholders(body, subscriber, true);
mail.Body = body;
mail.IsBodyHtml = true;
}
try
{
smtpClient.Send(mail);
}
catch { }
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.SentMails += 1;
Newsletter.PercentageCompleted =
(double)Newsletter.SentMails * 100 / (double)Newsletter.TotalMails;
Lock.ReleaseWriterLock();
}
}
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.IsSending = false;
Lock.ReleaseWriterLock();
}
/// <summary>
/// Replaces the input text's personalization placeholders
/// </summary>
private static string ReplacePersonalizationPlaceholders(string text, SubscriberInfo subscriber, bool isHtml)
{
if (isHtml)
{
text = Regex.Replace(text, @"<%\s*username\s*%>",
subscriber.UserName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*email\s*%>",
subscriber.Email, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*firstname\s*%>",
(subscriber.FirstName.Length > 0 ? subscriber.FirstName : "reader"),
RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*lastname\s*%>",
subscriber.LastName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
}
else
{
text = Regex.Replace(text, @"<%\s*username\s*%>",
subscriber.UserName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*email\s*%>",
subscriber.Email, RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*firstname\s*%>",
(subscriber.FirstName.Length > 0 ? subscriber.FirstName : "reader"),
RegexOptions.IgnoreCase | RegexOptions.Compiled);
text = Regex.Replace(text, @"<%\s*lastname\s*%>",
subscriber.LastName, RegexOptions.IgnoreCase | RegexOptions.Compiled);
}
return text;
}
/// <summary>
/// Sends the newsletter e-mails to all subscribers
/// </summary>
private static void SendEmails(object data)
{
object[] parameters = (object[])data;
string subject = (string)parameters[0];
string plainTextBody = (string)parameters[1];
string htmlBody = (string)parameters[2];
bool isTestCall = (bool)parameters[3];
HttpContext context = (HttpContext)parameters[4];
if (isTestCall)
{
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails = 1256;
Lock.ReleaseWriterLock();
for (int i = 1; i <= 1256; i++)
{
Thread.Sleep(15);
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.SentMails = i;
Newsletter.PercentageCompleted =
(double)Newsletter.SentMails * 100 / (double)Newsletter.TotalMails;;
Lock.ReleaseWriterLock();
}
}
else
{
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails = 0;
Lock.ReleaseWriterLock();
// check if the plain-text and the HTML bodies have personalization placeholders
// that will need to be replaced on a per-mail basis. If not, the parsing will
// be completely avoided later.
bool plainTextIsPersonalized = HasPersonalizationPlaceholders(plainTextBody, false);
bool htmlIsPersonalized = HasPersonalizationPlaceholders(htmlBody, true);
// retrieve all subscribers to the plain-text and HTML newsletter,
List <SubscriberInfo> subscribers = new List <SubscriberInfo>();
ProfileCommon profile = context.Profile as ProfileCommon;
foreach (MembershipUser user in Membership.GetAllUsers())
{
ProfileCommon userProfile = profile.GetProfile(user.UserName);
if (userProfile.Preferences.Newsletter != SubscriptionType.None)
{
SubscriberInfo subscriber = new SubscriberInfo(
user.UserName, user.Email, userProfile.FirstName, userProfile.LastName,
userProfile.Preferences.Newsletter);
subscribers.Add(subscriber);
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.TotalMails += 1;
Lock.ReleaseWriterLock();
}
}
// send the newsletter
SmtpClient smtpClient = new SmtpClient();
foreach (SubscriberInfo subscriber in subscribers)
{
MailMessage mail = new MailMessage();
mail.From = new MailAddress(Settings.FromEmail, Settings.FromDisplayName);
mail.To.Add(subscriber.Email);
mail.Subject = subject;
if (subscriber.SubscriptionType == SubscriptionType.PlainText)
{
string body = plainTextBody;
if (plainTextIsPersonalized)
{
body = ReplacePersonalizationPlaceholders(body, subscriber, false);
}
mail.Body = body;
mail.IsBodyHtml = false;
}
else
{
string body = htmlBody;
if (htmlIsPersonalized)
{
body = ReplacePersonalizationPlaceholders(body, subscriber, true);
}
mail.Body = body;
mail.IsBodyHtml = true;
}
try
{
smtpClient.Send(mail);
}
catch { }
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.SentMails += 1;
Newsletter.PercentageCompleted =
(double)Newsletter.SentMails * 100 / (double)Newsletter.TotalMails;
Lock.ReleaseWriterLock();
}
}
Lock.AcquireWriterLock(Timeout.Infinite);
Newsletter.IsSending = false;
Lock.ReleaseWriterLock();
}