/// <summary>
/// Invoke the widget view component
/// </summary>
/// <param name="widgetZone">Widget zone</param>
/// <param name="additionalData">Additional parameters</param>
/// <returns>View component result</returns>
public IViewComponentResult Invoke(string widgetZone, object additionalData)
{
//ensure that model is passed
if (!(additionalData is BaseNopEntityModel entityModel))
{
return(Content(string.Empty));
}
if (!_permissionService.Authorize(StandardPermissionProvider.ManageTaxSettings))
{
return(Content(string.Empty));
}
//ensure that Avalara tax provider is active
if (!(_taxService.LoadActiveTaxProvider(_workContext.CurrentCustomer) is AvalaraTaxProvider))
{
return(Content(string.Empty));
}
//ensure that it's a proper widget zone
if (!widgetZone.Equals(AdminWidgetZones.CustomerDetailsInfoTop) &&
!widgetZone.Equals(AdminWidgetZones.CustomerRoleDetailsTop) &&
!widgetZone.Equals(AdminWidgetZones.ProductDetailsInfoColumnLeftTop) &&
!widgetZone.Equals(AdminWidgetZones.CheckoutAttributeDetailsInfoTop))
{
return(Content(string.Empty));
}
//get Avalara pre-defined entity use codes
var cachedEntityUseCodes = _cacheManager.Get(AvalaraTaxDefaults.EntityUseCodesCacheKey, () => _avalaraTaxManager.GetEntityUseCodes());
var entityUseCodes = cachedEntityUseCodes?.Select(useCode => new SelectListItem
{
Value = useCode.code,
Text = $"{useCode.name} ({useCode.validCountries.Aggregate(string.Empty, (list, country) => $"{list}{country},").TrimEnd(',')})"
}).ToList() ?? new List <SelectListItem>();
//add the special item for 'undefined' with empty guid value
var defaultValue = Guid.Empty.ToString();
entityUseCodes.Insert(0, new SelectListItem
{
Value = defaultValue,
Text = _localizationService.GetResource("Plugins.Tax.Avalara.Fields.EntityUseCode.None")
});
//prepare model
var model = new EntityUseCodeModel
{
Id = entityModel.Id,
EntityUseCodes = entityUseCodes
};
//get entity by the model identifier
BaseEntity entity = null;
if (widgetZone.Equals(AdminWidgetZones.CustomerDetailsInfoTop))
{
model.PrecedingElementId = nameof(CustomerModel.IsTaxExempt);
entity = _customerService.GetCustomerById(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.CustomerRoleDetailsTop))
{
model.PrecedingElementId = nameof(CustomerRoleModel.TaxExempt);
entity = _customerService.GetCustomerRoleById(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.ProductDetailsInfoColumnLeftTop))
{
model.PrecedingElementId = nameof(ProductModel.IsTaxExempt);
entity = _productService.GetProductById(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.CheckoutAttributeDetailsInfoTop))
{
model.PrecedingElementId = nameof(CheckoutAttributeModel.IsTaxExempt);
entity = _checkoutAttributeService.GetCheckoutAttributeById(entityModel.Id);
}
//try to get previously saved entity use code
model.AvalaraEntityUseCode = entity == null ? defaultValue :
_genericAttributeService.GetAttribute <string>(entity, AvalaraTaxDefaults.EntityUseCodeAttribute);
return(View("~/Plugins/Tax.Avalara/Views/EntityUseCode/EntityUseCode.cshtml", model));
}