Fix Jackson serialization of granular filterable attributes

src/main/java/com/meilisearch/sdk/model/Settings.java

@@ -1,5 +1,7 @@
 package com.meilisearch.sdk.model;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import java.util.HashMap;
 import lombok.AccessLevel;
 import lombok.Getter;
@@ -42,20 +44,24 @@ public class Settings {
     public Settings() {}
 
     /** Granular filterable attributes accessor. */
+    @JsonProperty("filterableAttributes")
     public FilterableAttributesConfig[] getFilterableAttributesConfig() {
         return filterableAttributes;
     }
 
+    @JsonProperty("filterableAttributes")
     public Settings setFilterableAttributesConfig(FilterableAttributesConfig[] configs) {
         this.filterableAttributes = configs;
         return this;
     }
 
     /** Legacy String[] view of filterable attributes. */
+    @JsonIgnore
     public String[] getFilterableAttributes() {
         return FilterableAttributesLegacyAdapter.toLegacyNamesOrThrow(filterableAttributes);
     }
 
+    @JsonIgnore
     public Settings setFilterableAttributes(String[] filterableAttributes) {
         this.filterableAttributes =
                 FilterableAttributesLegacyAdapter.fromLegacyNames(filterableAttributes);

src/test/java/com/meilisearch/sdk/json/JacksonJsonHandlerTest.java

@@ -134,4 +134,48 @@ void settingsWithGranularFilterableAttributesRoundTripWithCustomMapper() throws
                 decoded.getFilterableAttributesConfig()[1].getAttributePatterns()[0],
                 is("director"));
     }
+
+    @Test
+    void settingsWithAdvancedGranularFilterableAttributesRoundTripWithCustomMapper()
+            throws Exception {
+        ObjectMapper customMapper = new ObjectMapper();
+        JacksonJsonHandler handlerWithCustomMapper = new JacksonJsonHandler(customMapper);
+
+        FilterableAttributesFeatures features = new FilterableAttributesFeatures();
+        features.setFacetSearch(false);
+        features.setFilter(new FilterableAttributesFilter(true, false));
+
+        FilterableAttributesConfig advanced = new FilterableAttributesConfig();
+        advanced.setAttributePatterns(new String[] {"parent"});
+        advanced.setFeatures(features);
+
+        Settings settings = new Settings();
+        settings.setFilterableAttributesConfig(new FilterableAttributesConfig[] {advanced});
+
+        String json = handlerWithCustomMapper.encode(settings);
+
+        assertThat(
+                json,
+                is(
+                        "{\"filterableAttributes\":[{\"attributePatterns\":[\"parent\"],\"features\":{\"facetSearch\":false,\"filter\":{\"equality\":true,\"comparison\":false}}}]}"));
+
+        Settings decoded = handlerWithCustomMapper.decode(json, Settings.class);
+
+        assertThat(decoded.getFilterableAttributesConfig(), is(notNullValue()));
+        assertThat(decoded.getFilterableAttributesConfig().length, is(1));
+        assertThat(
+                decoded.getFilterableAttributesConfig()[0].getAttributePatterns()[0], is("parent"));
+        assertThat(
+                decoded.getFilterableAttributesConfig()[0].getFeatures().getFacetSearch(),
+                is(false));
+        assertThat(
+                decoded.getFilterableAttributesConfig()[0].getFeatures().getFilter().getEquality(),
+                is(true));
+        assertThat(
+                decoded.getFilterableAttributesConfig()[0]
+                        .getFeatures()
+                        .getFilter()
+                        .getComparison(),
+                is(false));
+    }
 }