/// <summary>
/// Loads a named email template from database and replaces tokens with passed entities, and returns a new email message object with template values
/// </summary>
/// <param name="templateName"></param>
/// <param name="model"></param>
/// <returns></returns>
private EmailMessage LoadAndProcessTemplate(string templateName, object model = null)
{
//first load the template from database
var template = _emailTemplateService.FirstOrDefault(x => x.TemplateSystemName == templateName);
if (template == null)
{
return(null);
}
var content = _emailTemplateService.GetProcessedContentTemplate(template);
//render the content
//expand the routes first
content = Expander.ExpandRoutes(content, model);
var processedTemplateString = _viewAccountant.RenderView(templateName, content, model);
var subjectString = _viewAccountant.RenderView($"{templateName}:Subject", template.Subject, model);
var emailAccount = template.EmailAccount;
//create a new email message
var emailMessage = new EmailMessage()
{
IsEmailBodyHtml = true,
EmailBody = processedTemplateString,
EmailAccount = emailAccount,
EmailAccountId = emailAccount?.Id ?? 0,
Subject = subjectString,
OriginalEmailTemplate = template,
SendingDate = DateTime.UtcNow,
Tos = new List <EmailMessage.UserInfo>()
};
return(emailMessage);
}
public async Task RenderAsync(ViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
//preserve view path
context.TempData.Add("requested_path", _requestedPath);
var view = _viewAccountant.RenderView(context);
await context.Writer.WriteAsync(view);
}
public string ReadTemplateFile(Context context, string templateName)
{
templateName = templateName.Trim('"');
var viewPath = _viewAccountant.GetThemeViewPath(templateName);
if (string.IsNullOrEmpty(viewPath))
{
throw new FileSystemException(
$"The template '{templateName}' was not found. The following locations were searched:<br/>{string.Join("<br/>", _viewAccountant.GetSearchLocations())}");
}
return(_viewAccountant.RenderView(viewPath, templateName, null, context.Scopes[0]));
}