///// <summary>
///// 发送Email，只要条件符合，立即发送（当处于缓存中时，只要轮询到，也立即尝试发送）
///// </summary>
///// <typeparam name="T"></typeparam>
///// <param name="sendEmailParameter"></param>
///// <param name="lineInCache"></param>
///// <param name="useBackupEmail">使用备用Email发送（如果lineInCache=True，则由缓存处理模块决定）</param>
///// <returns></returns>
//public bool Send<T>(T sendEmailParameter, bool lineInCache, bool useBackupEmail) where T : SendEmailParameter
//{
// return this.Send(sendEmailParameter, lineInCache, true, useBackupEmail);
//}
/// <summary>
/// 发送Email
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sendEmailParameter"></param>
/// <param name="lineInCache"></param>
/// <param name="sendImmediately">是否立即发送（仅当lineInCache=true时有效）</param>
/// <param name="useBackupEmail">使用备用Email发送</param>
/// <returns></returns>
public bool Send <T>(T sendEmailParameter, bool lineInCache, bool sendImmediately, EmailAccountType emailUserType) where T : SendEmailParameter
{
SentSubject = null;
SentBody = null;
try
{
if (sendEmailParameter.ToEmail.IsNullOrEmpty() /*|| !sendEmailParameter.ToEmail.ValidateEmailFormat()*/)
{
throw new Exception("ToEmail参数为空");
}
//替换
SentSubject = ReplaceHolderValue(sendEmailParameter, Subject);
SentBody = ReplaceHolderValue(sendEmailParameter, Body);
bool sendImmediatelySuccess = true;
if (!lineInCache)
{
//立即发送，发送失败的邮件会列入缓存发送
sendImmediatelySuccess = DoSendEmail(sendEmailParameter.ToEmail, SentSubject, SentBody, sendEmailParameter.UserName, true, emailUserType, lineInCache);
}
//直接放入缓存，或将发送失败的邮件内容放入缓存
if (lineInCache || !sendImmediatelySuccess)
{
//存入缓存
SendEmailCache cache = new SendEmailCache();
AutoSendEmail email = new AutoSendEmail
{
UserName = sendEmailParameter.UserName,
Address = sendEmailParameter.ToEmail,
Subject = SentSubject,
Body = this.GetEmailTemplate(SentBody, this.UseEmailTemplate), //内容 + 模板
SendCount = sendImmediately ? 0 : (SiteConfig.MaxSendEmailTimes + 200), //如果不要求马上发送，则仅存于缓存中
LastSendTime = DateTime.Now
};
bool insertSuccess = cache.InsertEmail(email);
if (!insertSuccess)
{
LogUtility.EmailLogger.Error($"Email加入缓存失败！Email:{sendEmailParameter.ToEmail},Subject:{SentSubject}\r\n内容：\r\n{SentBody}");
}
return(insertSuccess);
}
else
{
return(sendImmediatelySuccess);
}
}
catch (Exception e)
{
LogUtility.EmailLogger.ErrorFormat(
$"发送Email出错：{e.Message}，Email:{sendEmailParameter.ToEmail},Username:{sendEmailParameter.UserName}，" +
$"Subject:{SentSubject}\r\n内容：\r\n{SentBody}", e);
return(false);
}
}
public void SendEventHandler(object state, bool timeout)
{
try
{
//LogUtility.EmailLogger.Info("开始Email发送轮询");
if (!OpenAutoSendEmail)
{
AutoSendEmailStarted = false;
SetSleep(10);
return; //continue;
}
AutoSendEmailStarted = true;
//HttpContext cont = new HttpContext(new HttpRequest("Default.aspx", "http://www.senparc.com/Default.aspx", ""), new HttpResponse(null));
SendEmailCache emailCache = new SendEmailCache();
SendEmail sendEmail = new SendEmail(null);
var emails = emailCache.Data.ToList();//这里添加ToList为了防止Data中途有变化，抛出异常：System.InvalidOperationException: 集合已修改；可能无法执行枚举操作。
foreach (var email in emails)
{
if (!OpenAutoSendEmail)
{
break;
}
AutoSendCount++;
if (email.SendCount > SiteConfig.MaxSendEmailTimes)
{
continue;
}
bool useBackEmail = email.SendCount >= 3;//当3次发送失败后，使用备用邮箱
var accountType = useBackEmail ? EmailAccountType._163 : EmailAccountType.Default;
//if (accountType == EmailUserType.Default && email.SendCount == 5 && email.Address.Contains("@163"))
//{
// accountType = EmailUserType._163;
//}
if (email.SendCount > 2)
{
accountType = EmailAccountType._163;
}
else if (email.SendCount > 1)
{
accountType = EmailAccountType.Souidea;
}
if (sendEmail.DoSendEmail(email.Address, email.Subject, email.Body, email.UserName, false, accountType, true))
{
emailCache.SendSuccess(email);
SendSuccessCount++;
LogUtility.EmailLogger.Info($"缓存自动发送Email成功（by {accountType}）：{email.Address}，Subject:{email.Subject}");
}
else
{
emailCache.SendFail(email);
LogUtility.EmailLogger.Error($"缓存自动发送Email失败（by {accountType}）：{email.Address}，Subject:{email.Subject}");
}
SetSleep(7);
}
if (emailCache.Data.Count == 0)
{
SetSleep(5);
}
}
catch (Exception ex)
{
LogUtility.EmailLogger.ErrorFormat("AutoSendEmail发送错误！", ex);
}
}