/// <summary>
/// Expands the fields in the template using the lookup provider
/// </summary>
/// <param name="fieldsLookup">A TFS lookup provider</param>
/// <param name="template">The HTML like template</param>
/// <returns>An expanded message</returns>
internal static string ExpandTemplateFields(IFieldLookupProvider fieldsLookup, string template)
{
// process the work item fields
string returnValue = template;
// Process work item fields
int endIndex = -1;
int startIndex = template.IndexOf(EmailTemplate.FieldTag, endIndex + 1);
while (startIndex > -1)
{
endIndex = template.IndexOf(EmailTemplate.FieldTag, startIndex + 1);
var fieldName = template.Substring(startIndex + 2, endIndex - startIndex - 2);
returnValue = returnValue.Replace(string.Format("{1}{0}{1}", fieldName, EmailTemplate.FieldTag), fieldsLookup.LookupWorkItemFieldValue(fieldName));
startIndex = template.IndexOf(EmailTemplate.FieldTag, endIndex + 1);
}
// Process alert fields
endIndex = -1;
startIndex = template.IndexOf(EmailTemplate.AlertTag, endIndex + 1);
while (startIndex > -1)
{
endIndex = template.IndexOf(EmailTemplate.AlertTag, startIndex + 1);
var fieldName = template.Substring(startIndex + 2, endIndex - startIndex - 2);
returnValue = returnValue.Replace(string.Format("{1}{0}{1}", fieldName, EmailTemplate.AlertTag), fieldsLookup.LookupAlertFieldValue(fieldName));
startIndex = template.IndexOf(EmailTemplate.AlertTag, endIndex + 1);
}
return(returnValue);
}
/// <summary>
/// Sends the email build from a work item
/// </summary>
/// <param name="fieldsLookupProvider">The provider that extracts the data from Azure DevOps</param>
/// <param name="templatePath">The path to the HTML (like) template file</param>
/// <param name="includeAllWorkItemFields">If true all available work item fields are appended to the email body</param>
/// <param name="includeAllAlertFields">If true all available alert fields are appended to the email body</param>
public void SendEmailAlert(
IFieldLookupProvider fieldsLookupProvider,
string templatePath,
bool includeAllWorkItemFields,
bool includeAllAlertFields)
{
if (fieldsLookupProvider == null)
{
throw new ArgumentNullException("fieldsLookupProvider", "The fieldsLookupProvider cannot be null");
}
var template = EmailTemplate.LoadTemplate(templatePath, fieldsLookupProvider.GetWorkItemType);
if (template != null)
{
using (var msg = new MailMessage())
{
var addresses = fieldsLookupProvider.GetInterestedEmailAddresses(this.domain);
if (string.IsNullOrEmpty(addresses) == false)
{
msg.To.Add(addresses);
msg.From = new MailAddress(this.fromAddress);
msg.Subject = EmailHelper.ExpandTemplateFields(fieldsLookupProvider, template.Title);
msg.IsBodyHtml = true;
msg.Body = EmailHelper.ExpandTemplateFields(fieldsLookupProvider, template.Body);
if (includeAllWorkItemFields == true)
{
msg.Body += fieldsLookupProvider.GetAllWorkItemFields(template.WiFieldHeader);
}
if (includeAllAlertFields == true)
{
msg.Body += fieldsLookupProvider.GetAllAlertFields(template.AlertFieldHeader);
}
using (var client = new SmtpClient(this.smptServer, this.port))
{
if (string.IsNullOrEmpty(this.username))
{
client.Credentials = CredentialCache.DefaultNetworkCredentials;
}
else
{
client.Credentials = new System.Net.NetworkCredential(this.username, this.password);
}
client.Send(msg);
}
logger.Info(string.Format("AzureDevOpsEventsProcessor: '{0}' email sent to {1}", msg.Subject, msg.To[0].Address));
}
else
{
logger.Info(string.Format("AzureDevOpsEventsProcessor: '{0}' No email sent as no interested parties", msg.Subject));
}
}
}
}
