protected virtual void SaveProductTags(Product product, string[] productTags)
{
if (product == null)
throw new ArgumentNullException("product");
//product tags
var existingProductTags = product.ProductTags.ToList();
var productTagsToRemove = new List<ProductTag>();
foreach (var existingProductTag in existingProductTags)
{
bool found = false;
foreach (string newProductTag in productTags)
{
if (existingProductTag.Name.Equals(newProductTag, StringComparison.InvariantCultureIgnoreCase))
{
found = true;
break;
}
}
if (!found)
{
productTagsToRemove.Add(existingProductTag);
}
}
foreach (var productTag in productTagsToRemove)
{
product.ProductTags.Remove(productTag);
_productService.UpdateProduct(product);
}
foreach (string productTagName in productTags)
{
ProductTag productTag;
var productTag2 = _productTagService.GetProductTagByName(productTagName);
if (productTag2 == null)
{
//add new product tag
productTag = new ProductTag
{
Name = productTagName
};
_productTagService.InsertProductTag(productTag);
}
else
{
productTag = productTag2;
}
if (!product.ProductTagExists(productTag.Id))
{
product.ProductTags.Add(productTag);
_productService.UpdateProduct(product);
}
}
}
private void SaveProductTags(Product product, string[] productTags)
{
if (product == null)
throw new ArgumentNullException("product");
//product tags
var existingProductTags = product.ProductTags.OrderByDescending(pt => pt.ProductCount).ToList();
var productTagsToRemove = new List<ProductTag>();
foreach (var existingProductTag in existingProductTags)
{
bool found = false;
foreach (string newProductTag in productTags)
{
if (existingProductTag.Name.Equals(newProductTag, StringComparison.InvariantCultureIgnoreCase))
{
found = true;
break;
}
}
if (!found)
{
productTagsToRemove.Add(existingProductTag);
}
}
foreach (var productTag in productTagsToRemove)
{
product.ProductTags.Remove(productTag);
//ensure product is saved before updating totals
_productService.UpdateProduct(product);
_productTagService.UpdateProductTagTotals(productTag);
}
foreach (string productTagName in productTags)
{
ProductTag productTag = null;
var productTag2 = _productTagService.GetProductTagByName(productTagName);
if (productTag2 == null)
{
//add new product tag
productTag = new ProductTag()
{
Name = productTagName,
ProductCount = 0
};
_productTagService.InsertProductTag(productTag);
}
else
{
productTag = productTag2;
}
if (!product.ProductTagExists(productTag.Id))
{
product.ProductTags.Add(productTag);
//ensure product is saved before updating totals
_productService.UpdateProduct(product);
}
//update product tag totals
_productTagService.UpdateProductTagTotals(productTag);
}
}
