/// <summary>
/// Renders the email view and builds a <see cref="MailMessage"/>. Does not send the email.
/// </summary>
/// <param name="email">The email to render.</param>
/// <returns>A <see cref="MailMessage"/> containing the rendered email.</returns>
public async Task <MailMessage> CreateMailMessageAsync(Email email)
{
var rawEmailString = await emailViewRenderer.RenderAsync(email);
emailParser = new EmailParser(emailViewRenderer);
var mailMessage = await emailParser.ParseAsync(rawEmailString, email);
return(mailMessage);
}
/// <summary>
/// Renders the email view and builds a <see cref="MailMessage"/>. Does not send the email.
/// </summary>
/// <param name="email">The email to render.</param>
/// <returns>A <see cref="MailMessage"/> containing the rendered email.</returns>
public async Task <MailMessage> CreateMailMessageAsync(Email email)
{
var rawEmailString = await emailViewRenderer.RenderAsync(email);
emailParser = new EmailParser(emailViewRenderer);
var mailMessage = await emailParser.ParseAsync(rawEmailString, email);
if (mailMessage.From == null || mailMessage.From.Address == null)
{
mailMessage.From = new MailAddress(this.options.FromAddress);
}
return(mailMessage);
}
private async Task CreateAlternativeViews(string deliminatedViewNames, Email email)
{
var viewNames = deliminatedViewNames.Split(new[] { ',', ' ', ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var alternativeViewName in viewNames)
{
var fullViewName = GetAlternativeViewName(email, alternativeViewName);
var output = await alternativeViewRenderer.RenderAsync(email, fullViewName);
string contentType;
string body;
using (var reader = new StringReader(output))
{
contentType = ParseHeadersForContentType(reader);
body = reader.ReadToEnd();
}
if (string.IsNullOrWhiteSpace(contentType))
{
if (alternativeViewName.Equals("text", StringComparison.OrdinalIgnoreCase))
{
contentType = "text/plain";
}
else if (alternativeViewName.Equals("html", StringComparison.OrdinalIgnoreCase))
{
contentType = "text/html";
}
}
var ct = ContentType.Parse(contentType);
switch (ct.MimeType)
{
case "text/plain":
email.BodyBuilder.TextBody = body;
break;
case "text/html":
email.BodyBuilder.HtmlBody = body;
break;
default:
throw new Exception("The 'Content-Type' header is unknown or missing from the alternative view '" + fullViewName + "'.");
}
foreach (var r in email.ImageEmbedder.Builder.LinkedResources)
{
email.BodyBuilder.LinkedResources.Add(r);
}
}
}
private async Task <AlternateView> CreateAlternativeView(Email email, string alternativeViewName)
{
var fullViewName = GetAlternativeViewName(email, alternativeViewName);
var output = await alternativeViewRenderer.RenderAsync(email, fullViewName);
string contentType;
string body;
using (var reader = new StringReader(output))
{
contentType = ParseHeadersForContentType(reader);
body = reader.ReadToEnd();
}
if (string.IsNullOrWhiteSpace(contentType))
{
if (alternativeViewName.Equals("text", StringComparison.OrdinalIgnoreCase))
{
contentType = "text/plain";
}
else if (alternativeViewName.Equals("html", StringComparison.OrdinalIgnoreCase))
{
contentType = "text/html";
}
else
{
throw new Exception("The 'Content-Type' header is missing from the alternative view '" + fullViewName + "'.");
}
}
var stream = CreateStreamOfBody(body);
var alternativeView = new AlternateView(stream, contentType);
if (alternativeView.ContentType.CharSet == null)
{
// Must set a charset otherwise mail readers seem to guess the wrong one!
// Strings are unicode by default in .net.
alternativeView.ContentType.CharSet = Encoding.Unicode.WebName;
// A different charset can be specified in the Content-Type header.
// e.g. Content-Type: text/html; charset=utf-8
}
email.ImageEmbedder.AddImagesToView(alternativeView);
return(alternativeView);
}
