public void TemplateEngine_RenderAsync_Executes()
{
var template =
_templateEngine.RenderAsync("Test.cshtml", "Model", null, CultureInfo.InvariantCulture).Result;
Assert.IsNotNull(template);
Assert.IsTrue(template.Length > 0);
}
public static Task <MailMessage> RenderEmailAsync(this ITemplateEngine templateEngine, string path, object viewBag = null,
CultureInfo culture = null)
{
Contract.Requires <ArgumentNullException>(templateEngine != null);
Contract.Requires <ArgumentException>(!string.IsNullOrEmpty(path));
Contract.Requires <NotSupportedException>(templateEngine.GetType() == typeof(RazorTemplateEngine), "Only razor engine is supported.");
return(templateEngine.RenderAsync(path, renderer: new EmailRenderer(), viewBag: viewBag, culture: culture));
}
public async ValueTask <string?> FormatAsync(string text, EnrichedEvent @event)
{
if (string.IsNullOrWhiteSpace(text))
{
return(text);
}
if (TryGetTemplate(text.Trim(), out var template))
{
var vars = new TemplateVars
{
["event"] = @event
};
return(await templateEngine.RenderAsync(template, vars));
}
if (TryGetScript(text.Trim(), out var script))
{
// Script vars are just wrappers over dictionaries for better performance.
var vars = new EventScriptVars
{
Event = @event,
AppId = @event.AppId.Id,
AppName = @event.AppId.Name,
User = Admin()
};
var result = (await scriptEngine.ExecuteAsync(vars, script)).ToString();
if (result == "undefined")
{
return(GlobalFallback);
}
return(result);
}
var parts = BuildParts(text, @event);
if (parts.Any(x => !x.Var.IsCompleted))
{
await ValueTaskEx.WhenAll(parts.Select(x => x.Var));
}
return(CombineParts(text, parts));
}
public async ValueTask <string?> FormatAsync(string text, EnrichedEvent @event)
{
if (string.IsNullOrWhiteSpace(text))
{
return(text);
}
if (TryGetTemplate(text.Trim(), out var template))
{
var vars = new TemplateVars
{
["event"] = @event
};
return(await templateEngine.RenderAsync(template, vars));
}
if (TryGetScript(text.Trim(), out var script))
{
var vars = new ScriptVars
{
["event"] = @event
};
#pragma warning disable MA0042 // Do not use blocking calls in an async method
var result = scriptEngine.Execute(vars, script).ToString();
#pragma warning restore MA0042 // Do not use blocking calls in an async method
if (result == "undefined")
{
return(GlobalFallback);
}
return(result);
}
var parts = BuildParts(text, @event);
if (parts.Any(x => !x.Var.IsCompleted))
{
await ValueTaskEx.WhenAll(parts.Select(x => x.Var));
}
return(CombineParts(text, parts));
}
/// <inheritdoc />
public async Task <string> GenerateEmailBody <T>(MessageTemplate template, T model)
{
template.ThrowIfNull(nameof(template));
logger.LogInformation($"Start generate email body by template:{template.Name}, model: {model?.ToJson()}, parent template:{template.Parent}");
var parentTemplate = await GetParentTemplate(template);
VerifyTemplateAndParentTemplate(template, parentTemplate);
ITemplateEngine templateEngine = GetTemplateEngine(template.EngineType);
templateEngine.AddParentTemplate(parentTemplate);
logger.LogInformation($"Starting async render template with model. Type template engine: {templateEngine.GetType().Name}");
return(await templateEngine.RenderAsync(template, model));
}
public async ValueTask <string?> FormatAsync(string text, EnrichedEvent @event)
{
if (string.IsNullOrWhiteSpace(text))
{
return(text);
}
if (TryGetTemplate(text.Trim(), out var template))
{
var vars = new TemplateVars
{
["event"] = @event
};
return(await templateEngine.RenderAsync(template, vars));
}
if (TryGetScript(text.Trim(), out var script))
{
var vars = new ScriptVars
{
["event"] = @event
};
return(scriptEngine.Interpolate(vars, script));
}
var parts = BuildParts(text, @event);
if (parts.Any(x => !x.Var.IsCompleted))
{
await ValueTaskEx.WhenAll(parts.Select(x => x.Var));
}
return(CombineParts(text, parts));
}