/// <summary>
/// Run the template
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="templateKey"></param>
/// <param name="template"></param>
/// <param name="model"></param>
/// <returns></returns>
private void Merge <TModel>(string templateKey, Model.IEmailTemplate template, TModel model)
{
var type = typeof(TModel) == typeof(object) || typeof(TModel).IsAnonymousType() ? null : typeof(TModel);
template.Subject = Engine.Razor.Run(String.Format(SUBJECT_TEMPLATE_KEY, templateKey), type, model);
template.Body = Engine.Razor.Run(String.Format(BODY_TEMPLATE_KEY, templateKey), type, model);
}
/// <summary>
/// Build the specified 'template' and merge the specified 'model'.
/// Mutate the specified 'template' Subject and Body properties.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="templateKey"></param>
/// <param name="template"></param>
/// <param name="model"></param>
public void Build <TModel>(string templateKey, Model.IEmailTemplate template, TModel model)
{
if (String.IsNullOrWhiteSpace(templateKey))
{
throw new ArgumentException("Argument is required and cannot be null, empty or whitespace.", nameof(templateKey));
}
if (template == null)
{
throw new ArgumentNullException(nameof(template));
}
CompileTemplate <TModel>(templateKey, template);
Merge(templateKey, template, model);
}
/// <summary>
/// Compile the templates before running them.
/// </summary>
/// <param name="options"></param>
private void CompileTemplate <TModel>(string templateKey, Model.IEmailTemplate template)
{
var subjectKey = String.Format(SUBJECT_TEMPLATE_KEY, templateKey);
var type = typeof(TModel) == typeof(object) || typeof(TModel).IsAnonymousType() ? null : typeof(TModel);
if (!_cache.ContainsKey(subjectKey))
{
Engine.Razor.Compile(template.Subject, subjectKey, type);
_cache.Add(subjectKey, template);
}
var bodyKey = String.Format(BODY_TEMPLATE_KEY, templateKey);
if (!_cache.ContainsKey(bodyKey))
{
Engine.Razor.Compile(template.Body, bodyKey, type);
_cache.Add(bodyKey, template);
}
}