wip

kafka-ui-api/src/main/java/com/provectus/kafka/ui/mapper/KafkaSrMapper.java

@@ -3,18 +3,21 @@ package com.provectus.kafka.ui.mapper;
 import com.provectus.kafka.ui.model.CompatibilityCheckResponseDTO;
 import com.provectus.kafka.ui.model.CompatibilityLevelDTO;
 import com.provectus.kafka.ui.model.NewSchemaSubjectDTO;
+import com.provectus.kafka.ui.model.SchemaReferenceDTO;
 import com.provectus.kafka.ui.model.SchemaSubjectDTO;
 import com.provectus.kafka.ui.model.SchemaTypeDTO;
 import com.provectus.kafka.ui.service.SchemaRegistryService;
 import com.provectus.kafka.ui.sr.model.Compatibility;
 import com.provectus.kafka.ui.sr.model.CompatibilityCheckResponse;
 import com.provectus.kafka.ui.sr.model.NewSubject;
+import com.provectus.kafka.ui.sr.model.SchemaReference;
 import com.provectus.kafka.ui.sr.model.SchemaType;
+import java.util.List;
 import java.util.Optional;
 import org.mapstruct.Mapper;
 
 
-@Mapper(componentModel = "spring")
+@Mapper
 public interface KafkaSrMapper {
 
   default SchemaSubjectDTO toDto(SchemaRegistryService.SubjectWithCompatibilityLevel s) {
@@ -24,9 +27,12 @@ public interface KafkaSrMapper {
         .subject(s.getSubject())
         .schema(s.getSchema())
         .schemaType(SchemaTypeDTO.fromValue(Optional.ofNullable(s.getSchemaType()).orElse(SchemaType.AVRO).getValue()))
+        .references(toDto(s.getReferences()))
         .compatibilityLevel(s.getCompatibility().toString());
   }
 
+  List<SchemaReferenceDTO> toDto(List<SchemaReference> references);
+
   CompatibilityCheckResponseDTO toDto(CompatibilityCheckResponse ccr);
 
   CompatibilityLevelDTO.CompatibilityEnum toDto(Compatibility compatibility);

kafka-ui-api/src/main/java/com/provectus/kafka/ui/serdes/builtin/sr/SchemaRegistrySerde.java

@@ -20,6 +20,7 @@ import io.confluent.kafka.schemaregistry.client.SchemaMetadata;
 import io.confluent.kafka.schemaregistry.client.SchemaRegistryClient;
 import io.confluent.kafka.schemaregistry.client.SchemaRegistryClientConfig;
 import io.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException;
+import io.confluent.kafka.schemaregistry.json.JsonSchema;
 import io.confluent.kafka.schemaregistry.json.JsonSchemaProvider;
 import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchema;
 import io.confluent.kafka.schemaregistry.protobuf.ProtobufSchemaProvider;
@@ -218,7 +219,8 @@ public class SchemaRegistrySerde implements BuiltInSerde {
             .convert(basePath, ((AvroSchema) schemaById).rawSchema())
             .toJson();
       case JSON:
-        return schema.getSchema();
+        //need to create confluent JsonSchema object to resolve references
+        return ((JsonSchema) schemaById).rawSchema().toString();
       default:
         throw new IllegalStateException();
     }

kafka-ui-api/src/main/java/com/provectus/kafka/ui/service/SchemaRegistryService.java

@@ -14,8 +14,7 @@ import com.provectus.kafka.ui.sr.model.CompatibilityLevelChange;
 import com.provectus.kafka.ui.sr.model.NewSubject;
 import com.provectus.kafka.ui.sr.model.SchemaSubject;
 import com.provectus.kafka.ui.util.ReactiveFailover;
-import com.provectus.kafka.ui.util.WebClientConfigurator;
+import java.nio.charset.Charset;
-import java.io.IOException;
 import java.util.List;
 import java.util.stream.Collectors;
 import lombok.AllArgsConstructor;

kafka-ui-contract/src/main/resources/swagger/kafka-sr-api.yaml

@@ -317,6 +317,10 @@ components:
                 type: string
               schemaType:
                   $ref: '#/components/schemas/SchemaType'
+              references:
+                type: array
+                items:
+                  $ref: '#/components/schemas/SchemaReference'
             required:
               - id
               - subject

kafka-ui-contract/src/main/resources/swagger/kafka-ui-api.yaml

@@ -2745,6 +2745,10 @@ components:
           type: string
         schemaType:
           $ref: '#/components/schemas/SchemaType'
+        references:
+          type: array
+          items:
+            $ref: '#/components/schemas/SchemaReference'
       required:
         - id
         - subject
@@ -2762,13 +2766,30 @@ components:
         schema:
           type: string
         schemaType:
-          $ref: '#/components/schemas/SchemaType'
+          $ref: '#/components/schemas/SchemaType' # upon updating a schema, the type of existing schema can't be changed
-          # upon updating a schema, the type of existing schema can't be changed
+        references:
+          type: array
+          items:
+            $ref: '#/components/schemas/SchemaReference'
       required:
         - subject
         - schema
         - schemaType
 
+    SchemaReference:
+      type: object
+      properties:
+        name:
+          type: string
+        subject:
+          type: string
+        version:
+          type: integer
+      required:
+        - name
+        - subject
+        - version
+
     CompatibilityLevel:
       type: object
       properties: