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Commerce - find variants with no prices


I would like to use Episerver Search & Navigation -- Find -- to search for all variants that does have any prices. I am not sure how to build the correct filter to do this.

Code so far:

var itemsWithNoPrices = _client.Search<VariationContent>()
  .Filter(x => x.Prices() ????? )  // <-- how to construct?
  .Select(x => x.Code)

"Prices" are added by default via "nested conventions", and are of type IEnumerable<Price>. When a price exists I can see that the json in Find contains:

  "Prices$$nested": [
      "MinQuantity$$number": 0,
      "CustomerPricing": {
        "PriceCode$$string": "",
        "PriceTypeId": 0,
        "$type": "Mediachase.Commerce.Pricing.CustomerPricing, Mediachase.Commerce"
      "UnitPrice": {
        "Currency": {
        "CurrencyCode$$string": "USD"
      "Amount$$number": "316.000000000",
      "$type": "Mediachase.Commerce.Money, Mediachase.Commerce"

And when no prices exists it looks like this:

  "Prices$$nested": [],

How should my filter be constructed? Or phrased differently: how do I build a filter for nested queries as "Prices$$nested"?


The reason I want to use Find and not using traversing is, that the catalog contains more than 200.000 variants and Elastic search is quite fast for this.

Edited, Jan 09, 2021 20:26

Have you tried creating a NestedFilter?

Jan 11, 2021 9:10
Robert Runge - Jan 12, 2021 8:30
Thanks for answering. Not quite sure what you mean by a nested filter, or maybe it is the same as nested queries you refer to?!

I haven't tried it, but perhaps

 .Filter(x => x.Prices(), p => p.Amount > 0 ))

might work

Jan 11, 2021 9:24
Robert Runge - Jan 12, 2021 8:33
Thanks. I did write similar code to what you suggest.

The code I wrote is following the path Quan Mai suggest:

.Filter(x => !x.Prices().MatchItem(p => p.MatchTypeHierarchy(typeof(Price))))

The thing is, that is "pure" Elasticsearch query, it is possible to test the "array" and not by querying a sub-item.

Jan 12, 2021 8:35
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