public async Task <IActionResult> Render()
{
if (!await _authorizationService.AuthorizeAsync(User, Permissions.ContentPreview))
{
return(Unauthorized());
}
var contentItemType = Request.Form["ContentItemType"];
var contentItem = await _contentManager.NewAsync(contentItemType);
// Assign the ids from the currently edited item so that validation thinks
// it's working on the same item. For instance if drivers are checking name unicity
// they need to think this is the same existing item (AutoroutePart).
var contentItemId = Request.Form["PreviewContentItemId"];
var contentItemVersionId = Request.Form["PreviewContentItemVersionId"];
// Unique contentItem.Id that only Preview is using such that another
// stored document can't have the same one in the IContentManagerSession index
contentItem.Id = -1;
contentItem.ContentItemId = contentItemId;
contentItem.ContentItemVersionId = contentItemVersionId;
contentItem.CreatedUtc = _clock.UtcNow;
contentItem.ModifiedUtc = _clock.UtcNow;
contentItem.PublishedUtc = _clock.UtcNow;
contentItem.Published = true;
// TODO: we should probably get this value from the main editor as it might impact validators
var model = await _contentItemDisplayManager.UpdateEditorAsync(contentItem, this, true);
if (!ModelState.IsValid)
{
var errors = new List <string>();
foreach (var modelState in ValidationHelpers.GetModelStateList(ViewData, false))
{
for (var i = 0; i < modelState.Errors.Count; i++)
{
var modelError = modelState.Errors[i];
var errorText = ValidationHelpers.GetModelErrorMessageOrDefault(modelError);
errors.Add(errorText);
}
}
return(StatusCode(500, new { errors = errors }));
}
var previewAspect = await _contentManager.PopulateAspectAsync(contentItem, new PreviewAspect());
if (!String.IsNullOrEmpty(previewAspect.PreviewUrl))
{
// The PreviewPart is configured, we need to set the fake content item
_contentManagerSession.Store(contentItem);
if (!previewAspect.PreviewUrl.StartsWith('/'))
{
previewAspect.PreviewUrl = "/" + previewAspect.PreviewUrl;
}
Request.HttpContext.Items["PreviewPath"] = previewAspect.PreviewUrl;
return(Ok());
}
model = await _contentItemDisplayManager.BuildDisplayAsync(contentItem, this, "Detail");
return(View(model));
}
