RenderEmailTemplateTask.cs

using Vendr.Core.Models;
using Vendr.Core.Services;
using Vendr.Core.Templating;

namespace Vendr.Core.Pipelines.Email.Tasks
{
    public class RenderEmailTemplateTask : PipelineTaskWithTypedArgsBase<EmailSendPipelineArgs, EmailContext>
    {
        private ITranslationService _translationService;
        private IEmailTemplateEngine _emailTemplateEngine;

        public RenderEmailTemplateTask(ITranslationService translationService,
            IEmailTemplateEngine emailTemplateEngine)
        {
            _translationService = translationService;
            _emailTemplateEngine = emailTemplateEngine;
        }

        public override PipelineResult<EmailContext> Execute(EmailSendPipelineArgs args)
        {
            var templateView = _translationService.TranslateValue(args.Model.EmailTemplate.TemplateView,
                args.Model.LanguageIsoCode,
                out string usedLanguageIsoCode)?.ToString();

            var rendered = _emailTemplateEngine.RenderTemplateView(templateView, args.Model.Model, usedLanguageIsoCode);

            args.Model.MailMessage.Body = rendered;

            return Ok(args.Model);
        }
    }
}