Developer forum

Should be doable.

Have a look at these threads: https://doc.dynamicweb.com/forum/development/development/form-for-adding-bom-configurable-products and https://doc.dynamicweb.com/forum/swift/swift/swift-and-bom-products

Also be aware that if you run the very latest 9.16.3 you have support for BOM in viewmodels using extension methods for the productviewmodel - you can use @Model.GetBomConfiguration to get viewmodels for BOM related data.

BR Nicolai

Hi Nicolai,

We updated to 9.16.3 but I can't find the GetBomConfiguration method in the ProductViewModelExtensions.
I'm including Dynamicweb.Ecommerce.ProductCatalog. Am I missing something? 

Thank you, I was able to use the GetBomConfiguration after adding the right Dynamicweb.Ecommerce package. But I'm still having an issue with adding the variants to the cart.

If I have a parts list created with a group (one product in that group has variants) I can now select the variant when adding to the cart and the variant is added.

1. redirect:
   false
2. ProductId:
   PROD157
3. ProductName:
   Hose Kit (Group)
4. ProductVariantName:
    
5. ProductCurrency:
   USD
6. ProductPrice:
   100.00
7. ProductReferer:
   component_ProductAddToCart
8. cartcmd:
   add
9. PRODITEM59:
   PROD145|VO5
10. Stock:
    30
11. UnitID:
     
12.  
    Quantity:
    1

But if I have a parts list created with individual products (one of the products has variants) I can select the variant but it's not added to the cart, the main products is still added instead. Am I missing something fro this case? I'm using he same logic in both cases.

1. redirect:
   false
2. ProductId:
   PROD148
3. ProductName:
   Hose Kit (Variants)
4. ProductVariantName:
    
5. ProductCurrency:
   USD
6.  
   ProductPrice:
   190.00
7. ProductReferer:
   component_ProductAddToCart
8. cartcmd:
   add
9. PRODITEM51:
   PROD145|VO1
10. Stock:
    19
11. UnitID:
     
12. Quantity:
    1

This is the code I'm using to select the variants for both cases:

@{
 var bomConfiguration = product.GetBomConfiguration();

 if (bomConfiguration != null && bomConfiguration.Items.Any())
 {
  /*Products*/
  foreach (var bomItem in bomConfiguration.Items)
  {
   var prod = Dynamicweb.Ecommerce.Services.Products.GetProductById(bomItem.Product.ProductId, bomItem.Product.VariantId, Dynamicweb.Ecommerce.Common.Context.LanguageID);
   if (prod != null)
   {
    disableAddToCart = prod.Discontinued || !prod.Active ? "disabled" : disableAddToCart;

    if (prod.IsVariantMaster && prod.Active)
    {
     <select class="mt-2 mb-2 pt-2 pb-2" name="@bomItem.Id">
      @foreach (var variant in prod.VariantCombinations)
      {
       <option value="@variant.ProductId|@variant.VariantId">@prod.Name @variant.GetVariantName(Dynamicweb.Ecommerce.Common.Context.LanguageID).ToString()</option>
      }
     </select>
    }
   }
  }
 }
 else if (bomConfiguration != null && bomConfiguration.Groups.Any())
 {
  /*Groups*/
  foreach (var group in bomConfiguration.Groups)
  {
   foreach (var groupProduct in group.Products)
   {
    var prod = Dynamicweb.Ecommerce.Services.Products.GetProductById(groupProduct.ProductId, groupProduct.VariantId, Dynamicweb.Ecommerce.Common.Context.LanguageID);
    if (prod != null)
    {
     disableAddToCart = prod.Discontinued || !prod.Active ? "disabled" : disableAddToCart;

     if (prod.IsVariantMaster && prod.Active)
     {
      <select class="mt-2 mb-2 pt-2 pb-2" name="@group.Id">
       @foreach (var variant in prod.VariantCombinations)
       {
        <option value="@variant.ProductId|@variant.VariantId">@prod.Name @variant.GetVariantName(Dynamicweb.Ecommerce.Common.Context.LanguageID).ToString()</option>
       }
      </select>
     }
    }
   }
  }
 }
}

Thanks Nicolai, I applyed that code for single products and I got it working.