protected override async Task <byte[]> CallTheDriver(ActionContext context)
{
// use action name if the view name was not provided
string viewName = ViewName;
if (string.IsNullOrEmpty(ViewName))
{
viewName = ((Microsoft.AspNetCore.Mvc.Controllers.ControllerActionDescriptor)context.ActionDescriptor).ActionName;
}
ViewEngineResult viewResult = GetView(context, viewName, MasterName);
var html = new StringBuilder();
ITempDataProvider tempDataProvider = context.HttpContext.RequestServices.GetService(typeof(ITempDataProvider)) as ITempDataProvider;
var viewDataDictionary = new ViewDataDictionary(
metadataProvider: new EmptyModelMetadataProvider(),
modelState: new ModelStateDictionary())
{
Model = this.Model
};
if (this.ViewData != null)
{
foreach (var item in this.ViewData)
{
viewDataDictionary.Add(item);
}
}
using (var output = new StringWriter())
{
var view = viewResult.View;
var tempDataDictionary = new TempDataDictionary(context.HttpContext, tempDataProvider);
var viewContext = new ViewContext(
context,
viewResult.View,
viewDataDictionary,
tempDataDictionary,
output,
new HtmlHelperOptions());
await view.RenderAsync(viewContext);
html = output.GetStringBuilder();
}
string baseUrl = string.Format("{0}://{1}", context.HttpContext.Request.Scheme, context.HttpContext.Request.Host);
var htmlForWkhtml = Regex.Replace(html.ToString(), "<head>", string.Format("<head><base href=\"{0}\" />", baseUrl), RegexOptions.IgnoreCase);
byte[] fileContent = WkhtmltopdfDriver.ConvertHtml(this.WkhtmlPath, this.GetConvertOptions(), htmlForWkhtml);
return(fileContent);
}
protected override byte[] WkhtmlConvert(string switches)
{
return(WkhtmltopdfDriver.Convert(this.WkhtmlPath, switches));
}