Update resource structure for edge

application/src/main/java/org/thingsboard/server/service/edge/rpc/constructor/ResourceMsgConstructor.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.service.edge.rpc.constructor;
 
+import com.google.protobuf.ByteString;
 import org.springframework.stereotype.Component;
 import org.thingsboard.server.common.data.TbResource;
 import org.thingsboard.server.common.data.id.TbResourceId;
@@ -42,6 +43,12 @@ public class ResourceMsgConstructor {
         if (tbResource.getEtag() != null) {
             builder.setEtag(tbResource.getEtag());
         }
+        if (tbResource.getDescriptor() != null) {
+            builder.setDescriptorJson(tbResource.getDescriptor().toString());
+        }
+        if (tbResource.getPreview() != null) {
+            builder.setPreview(ByteString.copyFrom(tbResource.getPreview()));
+        }
         if (tbResource.getTenantId().equals(TenantId.SYS_TENANT_ID)) {
             builder.setIsSystem(true);
         }

application/src/main/java/org/thingsboard/server/service/edge/rpc/processor/resource/BaseResourceProcessor.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.service.edge.rpc.processor.resource;
 
 import com.datastax.oss.driver.api.core.uuid.Uuids;
 import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.ResourceType;
 import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.TbResource;
@@ -61,7 +62,9 @@ public abstract class BaseResourceProcessor extends BaseEdgeProcessor {
             resource.setResourceKey(resourceKey);
             resource.setResourceType(resourceType);
             resource.setFileName(resourceUpdateMsg.getFileName());
+            resource.setDescriptor(resourceUpdateMsg.hasDescriptorJson() ? JacksonUtil.toJsonNode(resourceUpdateMsg.getDescriptorJson()) : null);
             resource.setEncodedData(resourceUpdateMsg.hasData() ? resourceUpdateMsg.getData() : null);
+            resource.setPreview(resourceUpdateMsg.hasPreview() ? resourceUpdateMsg.getPreview().toByteArray() : null);
             resource.setEtag(resourceUpdateMsg.hasEtag() ? resourceUpdateMsg.getEtag() : null);
             resourceValidator.validate(resource, TbResourceInfo::getTenantId);
             if (created) {

common/edge-api/src/main/proto/edge.proto

@@ -436,6 +436,8 @@ message ResourceUpdateMsg {
   optional string data = 8;
   optional string etag = 9;
   bool isSystem = 10;
+  optional string descriptorJson = 11;
+  optional bytes preview = 12;
 }
 
 message RuleChainMetadataRequestMsg {