public static string Inline(string source)
{
using var pm = new PreMailer.Net.PreMailer(source);
var html = pm.MoveCssInline(css: EmailCssContent, removeComments: true, stripIdAndClassAttributes: false, removeStyleElements: false).Html;
return(html);
}
/// <summary>
/// In-lines the CSS for the current HTML
/// </summary>
/// <param name="removeStyleElements">If set to <c>true</c> the style elements are removed.</param>
/// <param name="ignoreElements">CSS selector for STYLE elements to ignore (e.g. mobile-specific styles etc.)</param>
/// <param name="css">A string containing a style-sheet for inlining.</param>
/// <param name="stripIdAndClassAttributes">True to strip ID and class attributes</param>
/// <param name="removeComments">True to remove comments, false to leave them intact</param>
/// <param name="precompiledStyles"></param>
/// <returns>Returns the html input, with styles moved to inline attributes.</returns>
public InlineResult MoveCssInline(bool removeStyleElements = false, string ignoreElements = null, string css = null, bool stripIdAndClassAttributes = false, bool removeComments = false, SortedList <string, StyleClass> precompiledStyles = null)
{
// Store the variables used for inlining the CSS
_removeStyleElements = removeStyleElements;
_stripIdAndClassAttributes = stripIdAndClassAttributes;
_ignoreElements = ignoreElements;
// Gather all of the CSS that we can work with.
var cssSourceNodes = CssSourceNodes();
var cssLinkNodes = CssLinkNodes();
var cssSources = new List <ICssSource>(ConvertToStyleSources(cssSourceNodes));
cssSources.AddRange(ConvertToStyleSources(cssLinkNodes));
cssSources.AddRange(PreMailer.ConvertToStyleSources(css));
var cssBlocks = PreMailer.GetCssBlocks(cssSources);
if (_removeStyleElements)
{
RemoveStyleElements(cssSourceNodes);
RemoveStyleElements(cssLinkNodes);
}
var joinedBlocks = PreMailer.Join(cssBlocks);
var validSelectors = CleanUnsupportedSelectors(joinedBlocks);
if (precompiledStyles != null)
{
precompiledStyles.ToList().ForEach(kvp => { validSelectors.Add(kvp.Key, kvp.Value); });
}
var elementsWithStyles = FindElementsWithStyles(validSelectors);
var mergedStyles = MergeStyleClasses(elementsWithStyles);
StyleClassApplier.ApplyAllStyles(mergedStyles);
if (_stripIdAndClassAttributes)
{
StripElementAttributes("id", "class");
}
if (removeComments)
{
var comments = _document.Descendents <IComment>().ToList();
foreach (var comment in comments)
{
comment.Remove();
}
}
var html = _document.ToHtml(new AutoSelectedMarkupFormatter(_document.Doctype));
return(new InlineResult(html, _warnings));
}
/// <summary>
/// Function to precompile a style sheet allowing it be be preserved in
/// memory for performance purposes.
/// </summary>
/// <param name="css">A string containing a style-sheet for inlining.</param>
/// <param name="warnings">A list of warnings indicating css elements that are not supported.</param>
/// <returns>A tokenized sorted list representing the css that was passed in</returns>
public static SortedList <string, StyleClass> PrecompileCssString(string css, out List <string> warnings)
{
var cssSource = new List <ICssSource>(PreMailer.ConvertToStyleSources(css));
var cssBlocks = PreMailer.GetCssBlocks(cssSource);
var joinedBlocks = PreMailer.Join(cssBlocks);
warnings = new List <string>();
var cleanJoinedBlocks = PreMailer.CleanUnsupportedSelectors(joinedBlocks, warnings);
return(cleanJoinedBlocks);
}
public string GenerateEmailBody(PersonModel model)
{
// Create a model for our email
var templateFolderPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bin", "EmailTemplates");
var templateFilePath = Path.Combine(templateFolderPath, "Email.cshtml");
// Generate the email body from the template file.
// 'templateFilePath' should contain the absolute path of your template file.
//var TemplateService = new TemplateService();
var emailHtmlBody = TemplateService.Parse(File.ReadAllText(templateFilePath), model, null, "Email");
/*
* Move CSS Inline. https://github.com/milkshakesoftware/PreMailer.Net
*/
var pm = new PreMailer.Net.PreMailer(emailHtmlBody);
//pm.AddAnalyticsTags(source, medium, campaign, content, domain = null); // Optional to add analytics tags
var result = pm.MoveCssInline();
return(result.Html);
}
/// <summary>
///
/// </summary>
/// <param name="mailInfo"></param>
/// <param name="recepients">receivers</param>
/// <param name="testMode">No mails are sent, generating report for user</param>
/// <returns>A html formatted report of the send process</returns>
public override SendMailLog SendEmail(MailInformation mailInfo, JobWorkItems recepients, bool testMode)
{
_log.Debug("Starting Send");
// for logging
SendMailLog log = new SendMailLog();
// Need someone to send to
if (recepients.Items.Count == 0)
{
_log.Error("Trying to send newsletter with an empty JobWorkCollection. Please check the collection before attemting to send mail.");
throw new ArgumentNullException("recepients", "Recipient collection is empty, there is no recipients to send to.");
}
// And, we need a sender address
if (string.IsNullOrEmpty(mailInfo.From))
{
_log.Error("Missing from address.");
throw new ArgumentNullException("mailInfo", "Missing from address.");
}
// Inline all css
PreMailer.Net.PreMailer preMailer = new PreMailer.Net.PreMailer(mailInfo.BodyHtml);
if (mailInfo.Utm.HasValidUtmCode)
{
preMailer.AddAnalyticsTags(mailInfo.Utm.Source, mailInfo.Utm.Medium, mailInfo.Utm.Campaign,
mailInfo.Utm.Content);
}
InlineResult cssInline = preMailer.MoveCssInline();
mailInfo.BodyHtml = cssInline.Html;
// Log any messages, debug is only detected
// if we have an HttpContext.
if (IsInDebugMode())
{
log.WarningMessages.Add("Premailer CSS warning messages are only shown in debug mode. Primarily for developers.");
log.WarningMessages.AddRange(cssInline.Warnings.ToArray());
}
// Loop through receivers collection, add to collection and send
// one email per batch size.
int batchRun = 0;
int batchSize = GetBatchSize();
do
{
IEnumerable<JobWorkItem> workItems = recepients.Skip(batchRun*batchSize).Take(batchSize);
int numberofItemsToSend = workItems.Count();
if (numberofItemsToSend == 0)
break;
batchRun++;
try
{
if (SendMailBatch(mailInfo, workItems, testMode))
{
// Mark each item as sent
foreach (JobWorkItem workItem in workItems)
{
log.SuccessMessages.Add(workItem.EmailAddress);
// Update status and save it
workItem.Status = JobWorkStatus.Complete;
// Only save if real work item (could be a test item)
if (workItem.JobId > 0)
workItem.Save();
}
}
}
catch (Exception ex)
{
_log.Error(string.Format("Error sending batch (to {0} recipients).", recepients.Count()), ex);
string exceptionMsg = ex.Message;
log.ErrorMessages.Add(exceptionMsg);
// Update work item
foreach (JobWorkItem workItem in workItems)
{
workItem.Status = JobWorkStatus.Failed;
if (exceptionMsg.Length >= 2000)
exceptionMsg = exceptionMsg.Substring(0, 1999);
workItem.Info = exceptionMsg;
if (workItem.JobId > 0)
workItem.Save();
}
// can't continue
break;
}
} while (true);
// Finished
log.SendStop = DateTime.Now;
_log.Debug("Ending Send");
// return report
return log;
}
/// <summary>
/// In-lines the CSS within the HTML given.
/// </summary>
/// <param name="html">The HTML input.</param>
/// <param name="removeStyleElements">If set to <c>true</c> the style elements are removed.</param>
/// <param name="ignoreElements">CSS selector for STYLE elements to ignore (e.g. mobile-specific styles etc.)</param>
/// <returns>Returns the html input, with styles moved to inline attributes.</returns>
public static InlineResult MoveCssInline(string html, bool removeStyleElements = false, string ignoreElements = null)
{
var pm = new PreMailer(html, removeStyleElements, ignoreElements);
return pm.Process();
}
/// <summary>
/// In-lines the CSS within the HTML given.
/// </summary>
/// <param name="html">The HTML input.</param>
/// <param name="removeStyleElements">If set to <c>true</c> the style elements are removed.</param>
/// <param name="ignoreElements">CSS selector for STYLE elements to ignore (e.g. mobile-specific styles etc.)</param>
/// <param name="css">A string containing a style-sheet for inlining.</param>
/// <returns>Returns the html input, with styles moved to inline attributes.</returns>
public static InlineResult MoveCssInline(string html, bool removeStyleElements = false, string ignoreElements = null, string css = null, bool stripIdAndClassAttributes = false)
{
var pm = new PreMailer(html, removeStyleElements, ignoreElements, css, stripIdAndClassAttributes);
return(pm.Process());
}
/// <summary>
/// In-lines the CSS within the HTML given.
/// </summary>
/// <param name="html">The HTML input.</param>
/// <param name="removeStyleElements">If set to <c>true</c> the style elements are removed.</param>
/// <param name="ignoreElements">CSS selector for STYLE elements to ignore (e.g. mobile-specific styles etc.)</param>
/// <returns>Returns the html input, with styles moved to inline attributes.</returns>
public static InlineResult MoveCssInline(string html, bool removeStyleElements = false, string ignoreElements = null)
{
var pm = new PreMailer(html, removeStyleElements, ignoreElements);
return(pm.Process());
}
/// <summary>
///
/// </summary>
/// <param name="mailInfo"></param>
/// <param name="recepients">receivers</param>
/// <param name="testMode">No mails are sent, generating report for user</param>
/// <returns>A html formatted report of the send process</returns>
public override SendMailLog SendEmail(MailInformation mailInfo, JobWorkItems recepients, bool testMode)
{
_log.Debug("Starting Send");
// for logging
SendMailLog log = new SendMailLog();
// Need someone to send to
if (recepients.Items.Count == 0)
{
_log.Error("Trying to send newsletter with an empty JobWorkCollection. Please check the collection before attemting to send mail.");
throw new ArgumentNullException("recepients", "Recipient collection is empty, there is no recipients to send to.");
}
// And, we need a sender address
if (string.IsNullOrEmpty(mailInfo.From))
{
_log.Error("Missing from address.");
throw new ArgumentNullException("mailInfo", "Missing from address.");
}
// Inline all css
PreMailer.Net.PreMailer preMailer = new PreMailer.Net.PreMailer(mailInfo.BodyHtml);
if (mailInfo.Utm.HasValidUtmCode)
{
preMailer.AddAnalyticsTags(mailInfo.Utm.Source, mailInfo.Utm.Medium, mailInfo.Utm.Campaign,
mailInfo.Utm.Content);
}
InlineResult cssInline = preMailer.MoveCssInline();
mailInfo.BodyHtml = cssInline.Html;
// Log any messages, debug is only detected
// if we have an HttpContext.
if (IsInDebugMode())
{
log.WarningMessages.Add("Premailer CSS warning messages are only shown in debug mode. Primarily for developers.");
log.WarningMessages.AddRange(cssInline.Warnings.ToArray());
}
// Loop through receivers collection, add to collection and send
// one email per batch size.
int batchRun = 0;
int batchSize = GetBatchSize();
do
{
IEnumerable <JobWorkItem> workItems = recepients.Skip(batchRun * batchSize).Take(batchSize);
int numberofItemsToSend = workItems.Count();
if (numberofItemsToSend == 0)
{
break;
}
batchRun++;
try
{
if (SendMailBatch(mailInfo, workItems, testMode))
{
// Mark each item as sent
foreach (JobWorkItem workItem in workItems)
{
log.SuccessMessages.Add(workItem.EmailAddress);
// Update status and save it
workItem.Status = JobWorkStatus.Complete;
// Only save if real work item (could be a test item)
if (workItem.JobId > 0)
{
workItem.Save();
}
}
}
}
catch (Exception ex)
{
_log.Error(string.Format("Error sending batch (to {0} recipients).", recepients.Count()), ex);
string exceptionMsg = ex.Message;
log.ErrorMessages.Add(exceptionMsg);
// Update work item
foreach (JobWorkItem workItem in workItems)
{
workItem.Status = JobWorkStatus.Failed;
if (exceptionMsg.Length >= 2000)
{
exceptionMsg = exceptionMsg.Substring(0, 1999);
}
workItem.Info = exceptionMsg;
if (workItem.JobId > 0)
{
workItem.Save();
}
}
// can't continue
break;
}
} while (true);
// Finished
log.SendStop = DateTime.Now;
_log.Debug("Ending Send");
// return report
return(log);
}
