/// <returns>A task that represents the asynchronous operation</returns>
public override async Task <IActionResult> Categories()
{
//ensure that Avalara tax provider is active
if (!await _taxPluginManager.IsPluginActiveAsync(AvalaraTaxDefaults.SystemName))
{
//if isn't active return base action result
RouteData.Values["controller"] = "Tax";
return(await base.Categories());
}
if (!await _permissionService.AuthorizeAsync(StandardPermissionProvider.ManageTaxSettings))
{
return(AccessDeniedView());
}
//prepare model
var model = new Models.Tax.TaxCategorySearchModel();
var cacheKey = _cacheManager.PrepareKeyForDefaultCache(AvalaraTaxDefaults.TaxCodeTypesCacheKey);
var taxCodeTypes = await _cacheManager.GetAsync(cacheKey, async() => await _avalaraTaxManager.GetTaxCodeTypesAsync());
if (taxCodeTypes != null)
{
model.AvailableTypes = taxCodeTypes.Select(type => new SelectListItem(type.Value, type.Key)).ToList();
}
model.SetGridPageSize();
//use overridden view
return(View("~/Plugins/Tax.Avalara/Views/Tax/Categories.cshtml", model));
}