public async Task <IActionResult> Content([FromRoute] string name, [FromRoute] string mode, [FromQuery][FromBody] dynamic model)
{
var fragment = await _fragmentResolver.ResolveAsync(name);
var fragmentOptions = _fragmentOptionsProvider.GetFragmentOptions(fragment);
var fragmentType = fragment.GetType();
var methodInfo = fragmentType.GetMethod(Constants.ProcessAsyncMethodName);
var modelType = methodInfo.GetParameters().FirstOrDefault();
var html = await _fragmentRenderer.ExecuteAsync(new FragmentContext
{
Fragment = fragment,
FragmentOptions = fragmentOptions,
Model = model ?? (modelType == null ? null : Activator.CreateInstance(modelType.ParameterType)),
OutputStream = HttpContext.Response.Body,
PlaceHolderId = Guid.Empty.ToString()
});
if (mode == "preview")
{
html = AddAssetsToHtml(html, fragmentOptions);
}
return(base.Content(html, "text/html"));
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
output.TagName = "div";
Fragment fragment = await _fragmentResolver.ResolveAsync(Name);
var fragmentOptions = _fragmentOptionsProvider.GetFragmentOptions(fragment);
var fragmentContext = new FragmentContext
{
Fragment = fragment,
OutputStream = ViewContext.HttpContext.Response.Body,
Model = Model,
FragmentOptions = fragmentOptions
};
_fragmentContextProvider.AddContext(fragmentContext);
_fragmentLogger.Info($"Executing fragment {Name}. Model : {JsonConvert.SerializeObject(fragmentContext.Model)}");
var placeHolderViewName = fragmentOptions?.PlaceHolderViewName;
if (fragmentOptions?.IsSync == true || fragmentOptions?.IsSyncOnAjax == true && IsAjaxRequest(ViewContext.HttpContext.Request))
{
output.SuppressOutput();
throw new NotImplementedException("Sync fragments are not implemented yet.");
}
else
{
fragmentContext.PlaceHolderId = Guid.NewGuid().ToString();
var placeHolderHtml = string.IsNullOrEmpty(placeHolderViewName) ? await fragment.GetPlaceHolderHtmlAsync() : await _viewRenderer.RenderAsync(placeHolderViewName, null);
if (string.IsNullOrEmpty(placeHolderHtml) == false)
{
output.Content.SetHtmlContent(placeHolderHtml);
}
output.Attributes.SetAttribute(Constants.HtmlIdAttribute, fragmentContext.PlaceHolderId);
output.TagMode = TagMode.StartTagAndEndTag;
}
}
