Devx 813 product search stats facet (#1092)

* DEVX-813: adding test

* DEVX-813: fixing deserializer

* spotless: Fix code style

* spotless: add commit to blame ignore revs file

---------

Co-authored-by: ct-sdks[bot] <153784748+ct-sdks[bot]@users.noreply.github.com>

Author: ShipilA

.git-blame-ignore-revs

@@ -30,3 +30,4 @@ f00f4fe6ed5e22cdd2e3f68370c2da96e6bbc8e7
 f6aab9d10212756b1d71a0568c706a9df51c322d
 4822581aeff072b7649c7aec56a13a95bd58c249
 eb09ce06943ccb460981afaa6b5ecfd54f8f87e2
+4e64347e48610b8128ca737ccdb24634a92bbe34

commercetools/commercetools-sdk-java-api/src/main/java/com/commercetools/api/json/ProductSearchFacetResultDeserializer.java

@@ -3,10 +3,7 @@
 
 import java.util.List;
 
-import com.commercetools.api.models.product_search.ProductSearchFacetResult;
-import com.commercetools.api.models.product_search.ProductSearchFacetResultBucket;
-import com.commercetools.api.models.product_search.ProductSearchFacetResultBucketEntry;
-import com.commercetools.api.models.product_search.ProductSearchFacetResultCount;
+import com.commercetools.api.models.product_search.*;
 
 import tools.jackson.core.JsonParser;
 import tools.jackson.core.type.TypeReference;
@@ -36,6 +33,16 @@ else if (node.has("value")) {
                     .value(node.get("value").asLong())
                     .build();
         }
+        else if (node.has("count") || node.has("min")) {
+            return ProductSearchFacetResultStats.builder()
+                    .name(node.get("name").asString())
+                    .count(node.get("count").asLong())
+                    .max(node.get("max").asDouble())
+                    .min(node.get("min").asDouble())
+                    .mean(node.get("mean").asDouble())
+                    .sum(node.get("sum").asDouble())
+                    .build();
+        }
         return ProductSearchFacetResult.builder().name(node.get("name").asString()).build();
     }
 }

commercetools/commercetools-sdk-java-api/src/test/java/com/commercetools/SearchTest.java

@@ -10,6 +10,9 @@
 import com.commercetools.api.client.ByProjectKeyRequestBuilder;
 import com.commercetools.api.defaultconfig.ApiRootBuilder;
 import com.commercetools.api.models.product.*;
+import com.commercetools.api.models.product_search.ProductPagedSearchResponse;
+import com.commercetools.api.models.product_search.ProductSearchFacetResult;
+import com.commercetools.api.models.product_search.ProductSearchFacetResultStats;
 
 import io.vrap.rmf.base.client.ApiHttpClient;
 import io.vrap.rmf.base.client.ApiHttpHeaders;
@@ -156,4 +159,35 @@ public void testFacetResultsAccessor() {
         Assertions.assertThat(((TermFacetResult) prices).getTerms().size()).isEqualTo(3);
         Assertions.assertThat(((TermFacetResult) prices).getTerms().get(0).getTerm()).isEqualTo("S");
     }
+
+    @Test
+    public void testStatsFacetResultsDeserialization() {
+        ProductPagedSearchResponse response = JsonUtils.fromJsonString(
+            stringFromResource("search_stats_facet_response.json"), ProductPagedSearchResponse.class);
+
+        ProductSearchFacetResult facet = response.getFacets().get(0);
+        Assertions.assertThat(facet).isInstanceOf(ProductSearchFacetResultStats.class);
+
+        ProductSearchFacetResultStats statsFacet = (ProductSearchFacetResultStats) facet;
+        Assertions.assertThat(statsFacet.getName()).isEqualTo("price");
+        Assertions.assertThat(statsFacet.getCount()).isEqualTo(42L);
+        Assertions.assertThat(statsFacet.getMin()).isEqualTo(1000.);
+        Assertions.assertThat(statsFacet.getMax()).isEqualTo(50000.);
+        Assertions.assertThat(statsFacet.getMean()).isEqualTo(15000.5);
+        Assertions.assertThat(statsFacet.getSum()).isEqualTo(1500050.);
+
+        response = JsonUtils.fromJsonString(stringFromResource("search_stats_facet_response_1.json"),
+            ProductPagedSearchResponse.class);
+
+        facet = response.getFacets().get(0);
+        Assertions.assertThat(facet).isInstanceOf(ProductSearchFacetResultStats.class);
+
+        statsFacet = (ProductSearchFacetResultStats) facet;
+        Assertions.assertThat(statsFacet.getName()).isEqualTo("price");
+        Assertions.assertThat(statsFacet.getCount()).isEqualTo(859016);
+        Assertions.assertThat(statsFacet.getMin()).isEqualTo(199.0);
+        Assertions.assertThat(statsFacet.getMax()).isEqualTo(3599900.0);
+        Assertions.assertThat(statsFacet.getMean()).isEqualTo(233019.64729760564);
+        Assertions.assertThat(statsFacet.getSum()).isEqualTo(2.00167605343E11);
+    }
 }

commercetools/commercetools-sdk-java-api/src/test/resources/search_stats_facet_response.json

@@ -0,0 +1,16 @@
+{
+  "total": 1,
+  "offset": 0,
+  "limit": 10,
+  "facets": [
+    {
+      "name": "price",
+      "count": 42,
+      "min": 1000,
+      "max": 50000,
+      "mean": 15000.5,
+      "sum": 1500050
+    }
+  ],
+  "results": []
+}

commercetools/commercetools-sdk-java-api/src/test/resources/search_stats_facet_response_1.json

@@ -0,0 +1,17 @@
+{
+    "total": 1,
+    "offset": 0,
+    "limit": 10,
+    "facets": [
+        {
+        "name": "price",
+        "min": 199.0,
+        "max": 3599900.0,
+        "mean": 233019.64729760564,
+        "sum": 2.00167605343E11,
+        "count": 859016
+    }
+    ],
+    "results": []
+}
+