/// <summary>
/// Invoke the widget view component
/// </summary>
/// <param name="widgetZone">Widget zone</param>
/// <param name="additionalData">Additional parameters</param>
/// <returns>
/// A task that represents the asynchronous operation
/// The task result contains the view component result
/// </returns>
public async Task <IViewComponentResult> InvokeAsync(string widgetZone, object additionalData)
{
//ensure that model is passed
if (additionalData is not BaseNopEntityModel entityModel)
{
return(Content(string.Empty));
}
//ensure that Avalara tax provider is active
if (!await _taxPluginManager.IsPluginActiveAsync(AvalaraTaxDefaults.SystemName))
{
return(Content(string.Empty));
}
if (!await _permissionService.AuthorizeAsync(StandardPermissionProvider.ManageTaxSettings))
{
return(Content(string.Empty));
}
//ensure that it's a proper widget zone
if (!widgetZone.Equals(AdminWidgetZones.CustomerDetailsBlock) &&
!widgetZone.Equals(AdminWidgetZones.CustomerRoleDetailsTop) &&
!widgetZone.Equals(AdminWidgetZones.ProductDetailsBlock) &&
!widgetZone.Equals(AdminWidgetZones.CheckoutAttributeDetailsBlock))
{
return(Content(string.Empty));
}
//get Avalara pre-defined entity use codes
var cacheKey = _staticCacheManager.PrepareKeyForDefaultCache(AvalaraTaxDefaults.EntityUseCodesCacheKey);
var cachedEntityUseCodes = await _staticCacheManager.GetAsync(cacheKey, async() => await _avalaraTaxManager.GetEntityUseCodesAsync());
var entityUseCodes = cachedEntityUseCodes?.Select(useCode => new SelectListItem
{
Value = useCode.code,
Text = $"{useCode.name} ({string.Join(", ", useCode.validCountries)})"
}).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 = await _localizationService.GetResourceAsync("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.CustomerDetailsBlock))
{
model.PrecedingElementId = nameof(CustomerModel.IsTaxExempt);
entity = await _customerService.GetCustomerByIdAsync(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.CustomerRoleDetailsTop))
{
model.PrecedingElementId = nameof(CustomerRoleModel.TaxExempt);
entity = await _customerService.GetCustomerRoleByIdAsync(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.ProductDetailsBlock))
{
model.PrecedingElementId = nameof(ProductModel.IsTaxExempt);
entity = await _productService.GetProductByIdAsync(entityModel.Id);
}
if (widgetZone.Equals(AdminWidgetZones.CheckoutAttributeDetailsBlock))
{
model.PrecedingElementId = nameof(CheckoutAttributeModel.IsTaxExempt);
entity = await _checkoutAttributeService.GetCheckoutAttributeByIdAsync(entityModel.Id);
}
//try to get previously saved entity use code
model.AvalaraEntityUseCode = entity == null ? defaultValue :
await _genericAttributeService.GetAttributeAsync <string>(entity, AvalaraTaxDefaults.EntityUseCodeAttribute);
return(View("~/Plugins/Tax.Avalara/Views/EntityUseCode/EntityUseCode.cshtml", model));
}