/// <summary>
/// Writes the body of the EML E-mail to html or text and extracts all the attachments. The
/// result is returned as a List of strings
/// </summary>
/// <param name="message">The <see cref="Mime.Message"/> object</param>
/// <param name="outputFolder">The folder where we need to write the output</param>
/// <param name="hyperlinks">When true then hyperlinks are generated for the To, CC, BCC and attachments</param>
/// <returns></returns>
private List<string> WriteEmlEmail(Mime.Message message, string outputFolder, bool hyperlinks)
{
var fileName = "email";
bool htmlBody;
string body;
List<string> attachmentList;
List<string> files;
PreProcessEmlFile(message,
hyperlinks,
outputFolder,
ref fileName,
out htmlBody,
out body,
out attachmentList,
out files);
if (!htmlBody)
hyperlinks = false;
var maxLength = 0;
// Calculate padding width when we are going to write a text file
if (!htmlBody)
{
var languageConsts = new List<string>
{
#region LanguageConsts
LanguageConsts.EmailFromLabel,
LanguageConsts.EmailSentOnLabel,
LanguageConsts.EmailToLabel,
LanguageConsts.EmailCcLabel,
LanguageConsts.EmailBccLabel,
LanguageConsts.EmailSubjectLabel,
LanguageConsts.ImportanceLabel,
LanguageConsts.EmailAttachmentsLabel,
#endregion
};
maxLength = languageConsts.Select(languageConst => languageConst.Length).Concat(new[] { 0 }).Max() + 2;
}
var emailHeader = new StringBuilder();
var headers = message.Headers;
// Start of table
WriteHeaderStart(emailHeader, htmlBody);
// From
var from = string.Empty;
if (headers.From != null)
from = message.GetEmailAddresses(new List<RfcMailAddress> { headers.From }, hyperlinks, htmlBody);
WriteHeaderLineNoEncoding(emailHeader, htmlBody, maxLength, LanguageConsts.EmailFromLabel, from);
// Sent on
WriteHeaderLine(emailHeader, htmlBody, maxLength, LanguageConsts.EmailSentOnLabel,
(message.Headers.DateSent.ToLocalTime()).ToString(LanguageConsts.DataFormatWithTime));
// To
WriteHeaderLineNoEncoding(emailHeader, htmlBody, maxLength, LanguageConsts.EmailToLabel,
message.GetEmailAddresses(headers.To, hyperlinks, htmlBody));
// CC
var cc = message.GetEmailAddresses(headers.Cc, hyperlinks, htmlBody);
if (!string.IsNullOrEmpty(cc))
WriteHeaderLineNoEncoding(emailHeader, htmlBody, maxLength, LanguageConsts.EmailCcLabel, cc);
// BCC
var bcc = message.GetEmailAddresses(headers.Bcc, hyperlinks, htmlBody);
if (!string.IsNullOrEmpty(bcc))
WriteHeaderLineNoEncoding(emailHeader, htmlBody, maxLength, LanguageConsts.EmailBccLabel, bcc);
// Subject
var subject = message.Headers.Subject ?? string.Empty;
WriteHeaderLine(emailHeader, htmlBody, maxLength, LanguageConsts.EmailSubjectLabel, subject);
// Urgent
var importanceText = string.Empty;
switch (message.Headers.Importance)
{
case MailPriority.Low:
importanceText = LanguageConsts.ImportanceLowText;
break;
case MailPriority.Normal:
importanceText = LanguageConsts.ImportanceNormalText;
break;
case MailPriority.High:
importanceText = LanguageConsts.ImportanceHighText;
break;
}
if (!string.IsNullOrEmpty(importanceText))
{
WriteHeaderLine(emailHeader, htmlBody, maxLength, LanguageConsts.ImportanceLabel, importanceText);
// Empty line
WriteHeaderEmptyLine(emailHeader, htmlBody);
}
// Attachments
if (attachmentList.Count != 0)
WriteHeaderLineNoEncoding(emailHeader, htmlBody, maxLength, LanguageConsts.EmailAttachmentsLabel,
string.Join(", ", attachmentList));
// Empty line
WriteHeaderEmptyLine(emailHeader, htmlBody);
// End of table + empty line
WriteHeaderEnd(emailHeader, htmlBody);
body = InjectHeader(body, emailHeader.ToString());
// Write the body to a file
File.WriteAllText(fileName, body, Encoding.UTF8);
return files;
}
