Enable nested fields

lib/src/models/field.dart

@@ -248,6 +248,7 @@ enum Type {
   auto,
   stringify,
   geopoint,
+  object,
 }
 
 extension _Type on Type {
@@ -259,6 +260,7 @@ extension _Type on Type {
       case Type.float:
       case Type.bool:
       case Type.geopoint:
+      case Type.object:
         final description = toString(),
             indexOfDot = description.indexOf('.'),
             value = description.substring(indexOfDot + 1);

lib/src/models/schema.dart

@@ -28,11 +28,15 @@ class Schema extends BaseSchema {
   /// searching.
   final Field? defaultSortingField;
 
+  /// Boolean to enable nested fields on the schema, only available for typesense 0.24 or more
+  final bool? enableNestedFields;
+
   Schema(
     this.name,
     super.fields, {
     this.defaultSortingField,
     this.documentCount,
+    this.enableNestedFields,
   });
 
   factory Schema.fromMap(Map<String, dynamic> map) {
@@ -54,12 +58,14 @@ class Schema extends BaseSchema {
             ),
           )
         : null;
+    final bool? enableNestedFields = map["enable_nested_fields"];
 
     return Schema(
       map['name'],
       fields,
       documentCount: map['num_documents'] ?? 0,
       defaultSortingField: defaultSortingField,
+      enableNestedFields: enableNestedFields,
     );
   }
 
@@ -73,6 +79,9 @@ class Schema extends BaseSchema {
     if (documentCount != null) {
       map['num_documents'] = documentCount;
     }
+    if (enableNestedFields != null) {
+      map['enable_nested_fields'] = enableNestedFields;
+    }
     return map;
   }
 }

test/models/field_test.dart

@@ -242,6 +242,20 @@ void main() {
       });
       expect(field.type, equals(Type.geopoint));
       expect(field.isMultivalued, isTrue);
+
+      field = Field.fromMap({
+        "name": "name",
+        "type": "object",
+      });
+      expect(field.type, equals(Type.object));
+      expect(field.isMultivalued, isFalse);
+
+      field = Field.fromMap({
+        "name": "name",
+        "type": "object[]",
+      });
+      expect(field.type, equals(Type.object));
+      expect(field.isMultivalued, isTrue);
     });
     test('sets default values to fields when null', () {
       final field = Field.fromMap({"name": "num_employees", "type": "int32"});

test/models/schema_test.dart

@@ -15,6 +15,7 @@ void main() {
         },
         defaultSortingField: Field('num_employees'),
         documentCount: 0,
+        enableNestedFields: true,
       );
       s2 = Schema.fromMap({
         "name": "companies",
@@ -25,6 +26,7 @@ void main() {
         ],
         "default_sorting_field": "num_employees",
         "num_documents": 0,
+        "enable_nested_fields": true,
       });
     });
 
@@ -54,6 +56,10 @@ void main() {
       expect(s2.defaultSortingField,
           equals(Field('num_employees', type: Type.int32)));
     });
+    test('has a enableNestedFields field', () {
+      expect(s1.enableNestedFields, equals(true));
+      expect(s2.enableNestedFields, equals(true));
+    });
     test('has a toMap method', () {
       final map = {
         "name": "companies",
@@ -64,6 +70,7 @@ void main() {
         ],
         "default_sorting_field": "num_employees",
         "num_documents": 0,
+        "enable_nested_fields": true,
       };
 
       expect(s1.toMap(), equals(map));
@@ -151,6 +158,32 @@ void main() {
         ),
       );
     });
+    test("with null/empty enableNestedFields is successful", () {
+      var schema = Schema.fromMap({
+        "name": "companies",
+        "fields": [
+          {"name": "company_name", "type": "string"},
+          {"name": "num_employees", "type": "int32"},
+          {"name": "country", "type": "string", "facet": true}
+        ],
+        "default_sorting_field": "",
+        "num_documents": 0,
+      });
+      expect(schema.name, equals('companies'));
+      expect(schema.enableNestedFields, isNull);
+
+      schema = Schema.fromMap({
+        "name": "companies",
+        "fields": [
+          {"name": "company_name", "type": "string"},
+          {"name": "num_employees", "type": "int32"},
+          {"name": "country", "type": "string", "facet": true}
+        ],
+        "num_documents": 0,
+      });
+      expect(schema.name, equals('companies'));
+      expect(schema.enableNestedFields, isNull);
+    });
   });
 
   group('UpdateSchema', () {