Version control support for resources

application/src/main/data/upgrade/3.6.1/schema_update.sql

@@ -30,5 +30,6 @@ $$;
 ALTER TABLE resource
     ADD COLUMN IF NOT EXISTS descriptor varchar,
     ADD COLUMN IF NOT EXISTS preview bytea;
+ALTER TABLE resource ADD COLUMN IF NOT EXISTS external_id uuid
 
 -- RESOURCES UPDATE END

application/src/main/java/org/thingsboard/server/controller/ImageController.java

@@ -35,7 +35,6 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
-import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.ImageDescriptor;
 import org.thingsboard.server.common.data.ResourceType;
 import org.thingsboard.server.common.data.TbResource;
@@ -88,7 +87,7 @@ public class ImageController extends BaseController {
         image.setResourceType(ResourceType.IMAGE);
         ImageDescriptor descriptor = new ImageDescriptor();
         descriptor.setMediaType(file.getContentType());
-        image.setDescriptor(JacksonUtil.valueToTree(descriptor));
+        image.setDescriptorValue(descriptor);
         image.setData(file.getBytes());
         return tbImageService.save(image, user);
     }
@@ -99,11 +98,12 @@ public class ImageController extends BaseController {
                                       @PathVariable String key,
                                       @RequestPart MultipartFile file) throws Exception {
         TbResourceInfo imageInfo = checkImageInfo(type, key, Operation.WRITE);
-        ImageDescriptor descriptor = imageInfo.getDescriptor(ImageDescriptor.class);
-
         TbResource image = new TbResource(imageInfo);
         image.setData(file.getBytes());
+        image.updateDescriptor(ImageDescriptor.class, descriptor -> {
             descriptor.setMediaType(file.getContentType());
+            return descriptor;
+        });
         return tbImageService.save(image, getCurrentUser());
     }
 

application/src/main/java/org/thingsboard/server/controller/TbResourceController.java

@@ -53,6 +53,7 @@ import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
 
 import java.util.Collections;
+import java.util.EnumSet;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -226,6 +227,30 @@ public class TbResourceController extends BaseController {
         }
     }
 
+    @ApiOperation(value = "Get All Resource Infos (getAllResources)",
+            notes = "Returns a page of Resource Info objects owned by tenant. " +
+                    PAGE_DATA_PARAMETERS + RESOURCE_INFO_DESCRIPTION + TENANT_AUTHORITY_PARAGRAPH,
+            produces = "application/json")
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN')")
+    @GetMapping(value = "/resource/tenant")
+    public PageData<TbResourceInfo> getTenantResources(@ApiParam(value = PAGE_SIZE_DESCRIPTION, required = true)
+                                                       @RequestParam int pageSize,
+                                                       @ApiParam(value = PAGE_NUMBER_DESCRIPTION, required = true)
+                                                       @RequestParam int page,
+                                                       @ApiParam(value = RESOURCE_TEXT_SEARCH_DESCRIPTION)
+                                                       @RequestParam(required = false) String textSearch,
+                                                       @ApiParam(value = SORT_PROPERTY_DESCRIPTION, allowableValues = RESOURCE_SORT_PROPERTY_ALLOWABLE_VALUES)
+                                                       @RequestParam(required = false) String sortProperty,
+                                                       @ApiParam(value = SORT_ORDER_DESCRIPTION, allowableValues = SORT_ORDER_ALLOWABLE_VALUES)
+                                                       @RequestParam(required = false) String sortOrder) throws ThingsboardException {
+        PageLink pageLink = createPageLink(pageSize, page, textSearch, sortProperty, sortOrder);
+        TbResourceInfoFilter filter = TbResourceInfoFilter.builder()
+                .tenantId(getTenantId())
+                .resourceTypes(EnumSet.allOf(ResourceType.class))
+                .build();
+        return checkNotNull(resourceService.findTenantResourcesByTenantId(filter, pageLink));
+    }
+
     @ApiOperation(value = "Get LwM2M Objects (getLwm2mListObjectsPage)",
             notes = "Returns a page of LwM2M objects parsed from Resources with type 'LWM2M_MODEL' owned by tenant or sysadmin. " +
                     PAGE_DATA_PARAMETERS + LWM2M_OBJECT_DESCRIPTION + TENANT_AUTHORITY_PARAGRAPH,

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/DefaultExportableEntitiesService.java

@@ -118,6 +118,16 @@ public class DefaultExportableEntitiesService implements ExportableEntitiesServi
         }
     }
 
+    @Override
+    public <I extends EntityId> PageData<I> findEntitiesIdsByTenantId(TenantId tenantId, EntityType entityType, PageLink pageLink) {
+        ExportableEntityDao<I, ?> dao = getExportableEntityDao(entityType);
+        if (dao != null) {
+            return dao.findIdsByTenantId(tenantId.getId(), pageLink);
+        } else {
+            return new PageData<>();
+        }
+    }
+
     @Override
     public <I extends EntityId> I getExternalIdByInternal(I internalId) {
         ExportableEntityDao<I, ?> dao = getExportableEntityDao(internalId.getEntityType());

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/ExportableEntitiesService.java

@@ -35,6 +35,8 @@ public interface ExportableEntitiesService {
 
     <E extends ExportableEntity<I>, I extends EntityId> PageData<E> findEntitiesByTenantId(TenantId tenantId, EntityType entityType, PageLink pageLink);
 
+    <I extends EntityId> PageData<I> findEntitiesIdsByTenantId(TenantId tenantId, EntityType entityType, PageLink pageLink);
+
     <I extends EntityId> I getExternalIdByInternal(I internalId);
 
     <I extends EntityId> void removeById(TenantId tenantId, I id);

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/ResourceExportService.java

@@ -0,0 +1,36 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.TbResource;
+import org.thingsboard.server.common.data.id.TbResourceId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+public class ResourceExportService extends BaseEntityExportService<TbResourceId, TbResource, EntityExportData<TbResource>> {
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.TB_RESOURCE);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/ResourceImportService.java

@@ -0,0 +1,83 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.TbResource;
+import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.TbResourceId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.resource.ResourceService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class ResourceImportService extends BaseEntityImportService<TbResourceId, TbResource, EntityExportData<TbResource>> {
+
+    private final ResourceService resourceService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, TbResource resource, IdProvider idProvider) {
+        resource.setTenantId(tenantId);
+    }
+
+    @Override
+    protected TbResource prepare(EntitiesImportCtx ctx, TbResource resource, TbResource oldResource, EntityExportData<TbResource> exportData, IdProvider idProvider) {
+        return resource;
+    }
+
+    @Override
+    protected TbResource findExistingEntity(EntitiesImportCtx ctx, TbResource resource, IdProvider idProvider) {
+        TbResource existingResource = super.findExistingEntity(ctx, resource, idProvider);
+        if (existingResource == null && ctx.isFindExistingByName()) {
+            existingResource = resourceService.findResourceByTenantIdAndKey(ctx.getTenantId(), resource.getResourceType(), resource.getResourceKey());
+        }
+        return existingResource;
+    }
+
+    @Override
+    protected boolean compare(EntitiesImportCtx ctx, EntityExportData<TbResource> exportData, TbResource prepared, TbResource existing) {
+        return true;
+    }
+
+    @Override
+    protected TbResource deepCopy(TbResource resource) {
+        return new TbResource(resource);
+    }
+
+    @Override
+    protected TbResource saveOrUpdate(EntitiesImportCtx ctx, TbResource resource, EntityExportData<TbResource> exportData, IdProvider idProvider) {
+        return resourceService.saveResource(resource);
+    }
+
+    @Override
+    protected void onEntitySaved(User user, TbResource savedResource, TbResource oldResource) throws ThingsboardException {
+        super.onEntitySaved(user, savedResource, oldResource);
+        clusterService.onResourceChange(savedResource, null);
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.TB_RESOURCE;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/WidgetTypeImportService.java

@@ -20,13 +20,9 @@ import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.WidgetTypeId;
-import org.thingsboard.server.common.data.id.WidgetsBundleId;
 import org.thingsboard.server.common.data.sync.ie.WidgetTypeExportData;
-import org.thingsboard.server.common.data.sync.ie.WidgetsBundleExportData;
 import org.thingsboard.server.common.data.widget.WidgetTypeDetails;
-import org.thingsboard.server.common.data.widget.WidgetsBundle;
 import org.thingsboard.server.dao.widget.WidgetTypeService;
-import org.thingsboard.server.dao.widget.WidgetsBundleService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
 

application/src/main/java/org/thingsboard/server/service/sync/vc/DefaultEntitiesVersionControlService.java

@@ -208,10 +208,10 @@ public class DefaultEntitiesVersionControlService implements EntitiesVersionCont
             }
 
             if (config.isAllEntities()) {
-                DaoUtil.processInBatches(pageLink -> exportableEntitiesService.findEntitiesByTenantId(ctx.getTenantId(), entityType, pageLink)
+                DaoUtil.processInBatches(pageLink -> exportableEntitiesService.findEntitiesIdsByTenantId(ctx.getTenantId(), entityType, pageLink),
-                        , 100, entity -> {
+                        100, entityId -> {
                             try {
-                                ctx.add(saveEntityData(ctx, entity.getId()));
+                                ctx.add(saveEntityData(ctx, entityId));
                             } catch (Exception e) {
                                 throw new RuntimeException(e);
                             }

common/dao-api/src/main/java/org/thingsboard/server/dao/resource/ResourceService.java

@@ -34,7 +34,7 @@ public interface ResourceService extends EntityDaoService {
 
     TbResource saveResource(TbResource resource, boolean doValidate);
 
-    TbResource findResourceByTenantIdAndKey(TenantId tenantId, ResourceType resourceType, String resourceId);
+    TbResource findResourceByTenantIdAndKey(TenantId tenantId, ResourceType resourceType, String resourceKey);
 
     TbResource findResourceById(TenantId tenantId, TbResourceId resourceId);
 

common/data/src/main/java/org/thingsboard/server/common/data/TbResource.java

@@ -16,7 +16,6 @@
 package org.thingsboard.server.common.data;
 
 import com.fasterxml.jackson.annotation.JsonGetter;
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonSetter;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -34,10 +33,8 @@ public class TbResource extends TbResourceInfo {
 
     private static final long serialVersionUID = 7379609705527272306L;
 
-    @JsonIgnore
     private byte[] data;
 
-    @JsonIgnore
     private byte[] preview;
 
     public TbResource() {

common/data/src/main/java/org/thingsboard/server/common/data/TbResourceInfo.java

@@ -19,7 +19,6 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.node.ObjectNode;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
@@ -30,11 +29,13 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.validation.Length;
 import org.thingsboard.server.common.data.validation.NoXss;
 
+import java.util.function.UnaryOperator;
+
 @ApiModel
 @Slf4j
 @Data
 @EqualsAndHashCode(callSuper = true)
-public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, HasTenantId {
+public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, HasTenantId, ExportableEntity<TbResourceId> {
 
     private static final long serialVersionUID = 7282664529021651736L;
 
@@ -52,15 +53,17 @@ public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, H
     private String resourceKey;
     @ApiModelProperty(position = 7, value = "Resource search text.", example = "19_1.0:binaryappdatacontainer", accessMode = ApiModelProperty.AccessMode.READ_ONLY)
     private String searchText;
+
     @ApiModelProperty(position = 8, value = "Resource etag.", example = "33a64df551425fcc55e4d42a148795d9f25f89d4", accessMode = ApiModelProperty.AccessMode.READ_ONLY)
     private String etag;
     @NoXss
     @Length(fieldName = "file name")
     @ApiModelProperty(position = 9, value = "Resource file name.", example = "19.xml", accessMode = ApiModelProperty.AccessMode.READ_ONLY)
     private String fileName;
-    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
     private JsonNode descriptor;
 
+    private TbResourceId externalId;
+
     public TbResourceInfo() {
         super();
     }
@@ -78,7 +81,8 @@ public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, H
         this.searchText = resourceInfo.searchText;
         this.etag = resourceInfo.etag;
         this.fileName = resourceInfo.fileName;
-        this.descriptor = resourceInfo.descriptor;
+        this.descriptor = resourceInfo.descriptor != null ? resourceInfo.descriptor.deepCopy() : null;
+        this.externalId = resourceInfo.externalId;
     }
 
     @ApiModelProperty(position = 1, value = "JSON object with the Resource Id. " +
@@ -97,7 +101,7 @@ public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, H
     }
 
     @Override
-    @JsonIgnore
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
     public String getName() {
         return title;
     }
@@ -107,9 +111,19 @@ public class TbResourceInfo extends BaseData<TbResourceId> implements HasName, H
         return searchText != null ? searchText : title;
     }
 
-    @JsonIgnore
     public <T> T getDescriptor(Class<T> type) throws JsonProcessingException {
         return descriptor != null ? mapper.treeToValue(descriptor, type) : null;
     }
 
+    public <T> void updateDescriptor(Class<T> type, UnaryOperator<T> updater) throws JsonProcessingException {
+        T descriptor = getDescriptor(type);
+        descriptor = updater.apply(descriptor);
+        setDescriptorValue(descriptor);
+    }
+
+    @JsonIgnore
+    public void setDescriptorValue(Object value) {
+        this.descriptor = value != null ? mapper.valueToTree(value) : null;
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/sync/JsonTbEntity.java

@@ -25,6 +25,7 @@ import org.thingsboard.server.common.data.Dashboard;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.TbResource;
 import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.asset.AssetProfile;
 import org.thingsboard.server.common.data.notification.rule.NotificationRule;
@@ -56,7 +57,8 @@ import java.lang.annotation.Target;
         @Type(name = "WIDGET_TYPE", value = WidgetTypeDetails.class),
         @Type(name = "NOTIFICATION_TEMPLATE", value = NotificationTemplate.class),
         @Type(name = "NOTIFICATION_TARGET", value = NotificationTarget.class),
-        @Type(name = "NOTIFICATION_RULE", value = NotificationRule.class)
+        @Type(name = "NOTIFICATION_RULE", value = NotificationRule.class),
+        @Type(name = "TB_RESOURCE", value = TbResource.class)
 })
 @JsonIgnoreProperties(value = {"tenantId", "createdTime"}, ignoreUnknown = true)
 public @interface JsonTbEntity {

dao/src/main/java/org/thingsboard/server/dao/ExportableEntityDao.java

@@ -22,7 +22,7 @@ import org.thingsboard.server.common.data.page.PageLink;
 
 import java.util.UUID;
 
-public interface ExportableEntityDao<I extends EntityId, T extends ExportableEntity<?>> extends Dao<T> {
+public interface ExportableEntityDao<I extends EntityId, T extends ExportableEntity<I>> extends Dao<T> {
 
     T findByTenantIdAndExternalId(UUID tenantId, UUID externalId);
 
@@ -30,6 +30,10 @@ public interface ExportableEntityDao<I extends EntityId, T extends ExportableEnt
 
     PageData<T> findByTenantId(UUID tenantId, PageLink pageLink);
 
+    default PageData<I> findIdsByTenantId(UUID tenantId, PageLink pageLink) {
+        return findByTenantId(tenantId, pageLink).mapData(ExportableEntity::getId);
+    }
+
     I getExternalIdByInternal(I internalId);
 
 }

dao/src/main/java/org/thingsboard/server/dao/model/sql/TbResourceEntity.java

@@ -32,6 +32,7 @@ import javax.persistence.Entity;
 import javax.persistence.Table;
 import java.util.UUID;
 
+import static org.thingsboard.server.dao.model.ModelConstants.EXTERNAL_ID_PROPERTY;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_DATA_COLUMN;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_DESCRIPTOR_COLUMN;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_ETAG_COLUMN;
@@ -82,6 +83,9 @@ public class TbResourceEntity extends BaseSqlEntity<TbResource> {
     @Column(name = RESOURCE_PREVIEW_COLUMN)
     private byte[] preview;
 
+    @Column(name = EXTERNAL_ID_PROPERTY)
+    private UUID externalId;
+
     public TbResourceEntity() {
     }
 
@@ -102,6 +106,7 @@ public class TbResourceEntity extends BaseSqlEntity<TbResource> {
         this.etag = resource.getEtag();
         this.descriptor = resource.getDescriptor();
         this.preview = resource.getPreview();
+        this.externalId = getUuid(resource.getExternalId());
     }
 
     @Override
@@ -118,6 +123,7 @@ public class TbResourceEntity extends BaseSqlEntity<TbResource> {
         resource.setEtag(etag);
         resource.setDescriptor(descriptor);
         resource.setPreview(preview);
+        resource.setExternalId(getEntityId(externalId, TbResourceId::new));
         return resource;
     }
 

dao/src/main/java/org/thingsboard/server/dao/model/sql/TbResourceInfoEntity.java

@@ -33,6 +33,7 @@ import javax.persistence.Entity;
 import javax.persistence.Table;
 import java.util.UUID;
 
+import static org.thingsboard.server.dao.model.ModelConstants.EXTERNAL_ID_PROPERTY;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_DESCRIPTOR_COLUMN;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_ETAG_COLUMN;
 import static org.thingsboard.server.dao.model.ModelConstants.RESOURCE_FILE_NAME_COLUMN;
@@ -75,6 +76,9 @@ public class TbResourceInfoEntity extends BaseSqlEntity<TbResourceInfo> implemen
     @Column(name = RESOURCE_DESCRIPTOR_COLUMN)
     private JsonNode descriptor;
 
+    @Column(name = EXTERNAL_ID_PROPERTY)
+    private UUID externalId;
+
     public TbResourceInfoEntity() {
     }
 
@@ -91,6 +95,7 @@ public class TbResourceInfoEntity extends BaseSqlEntity<TbResourceInfo> implemen
         this.hashCode = resource.getEtag();
         this.fileName = resource.getFileName();
         this.descriptor = resource.getDescriptor();
+        this.externalId = getUuid(resource.getExternalId());
     }
 
     @Override
@@ -105,6 +110,7 @@ public class TbResourceInfoEntity extends BaseSqlEntity<TbResourceInfo> implemen
         resource.setEtag(hashCode);
         resource.setFileName(fileName);
         resource.setDescriptor(descriptor);
+        resource.setExternalId(getEntityId(externalId, TbResourceId::new));
         return resource;
     }
 }

dao/src/main/java/org/thingsboard/server/dao/resource/BaseImageService.java

@@ -59,7 +59,7 @@ public class BaseImageService extends BaseResourceService implements ImageServic
         Pair<ImageDescriptor, byte[]> result = processImage(image.getData(), descriptor);
         descriptor = result.getLeft();
         image.setEtag(descriptor.getEtag());
-        image.setDescriptor(JacksonUtil.valueToTree(descriptor));
+        image.setDescriptorValue(descriptor);
         image.setPreview(result.getRight());
 
         return new TbResourceInfo(doSaveResource(image));

dao/src/main/java/org/thingsboard/server/dao/resource/BaseResourceService.java

@@ -96,8 +96,7 @@ public class BaseResourceService extends AbstractCachedEntityService<ResourceInf
             publishEvictEvent(new ResourceInfoEvictEvent(tenantId, resource.getId()));
             ConstraintViolationException e = extractConstraintViolationException(t).orElse(null);
             if (e != null && e.getConstraintName() != null && e.getConstraintName().equalsIgnoreCase("resource_unq_key")) {
-                String field = ResourceType.LWM2M_MODEL.equals(resource.getResourceType()) ? "resourceKey" : "fileName";
+                throw new DataValidationException("Resource with such key already exists!");
-                throw new DataValidationException("Resource with such " + field + " already exists!");
             } else {
                 throw t;
             }
@@ -202,6 +201,11 @@ public class BaseResourceService extends AbstractCachedEntityService<ResourceInf
         return Optional.ofNullable(findResourceInfoById(tenantId, new TbResourceId(entityId.getId())));
     }
 
+    @Override
+    public void deleteEntity(TenantId tenantId, EntityId id) {
+        deleteResource(tenantId, (TbResourceId) id);
+    }
+
     @Override
     public EntityType getEntityType() {
         return EntityType.TB_RESOURCE;

dao/src/main/java/org/thingsboard/server/dao/resource/TbResourceDao.java

@@ -22,11 +22,12 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.dao.Dao;
+import org.thingsboard.server.dao.ExportableEntityDao;
 import org.thingsboard.server.dao.TenantEntityWithDataDao;
 
 import java.util.List;
 
-public interface TbResourceDao extends Dao<TbResource>, TenantEntityWithDataDao {
+public interface TbResourceDao extends Dao<TbResource>, TenantEntityWithDataDao, ExportableEntityDao<TbResourceId, TbResource> {
 
     TbResource findResourceByTenantIdAndKey(TenantId tenantId, ResourceType resourceType, String resourceId);
 

dao/src/main/java/org/thingsboard/server/dao/sql/resource/JpaTbResourceDao.java

@@ -109,6 +109,27 @@ public class JpaTbResourceDao extends JpaAbstractDao<TbResourceEntity, TbResourc
         return resourceRepository.sumDataSizeByTenantId(tenantId.getId());
     }
 
+    @Override
+    public TbResource findByTenantIdAndExternalId(UUID tenantId, UUID externalId) {
+        return DaoUtil.getData(resourceRepository.findByTenantIdAndExternalId(tenantId, externalId));
+    }
+
+    @Override
+    public PageData<TbResource> findByTenantId(UUID tenantId, PageLink pageLink) {
+        return findAllByTenantId(TenantId.fromUUID(tenantId), pageLink);
+    }
+
+    @Override
+    public PageData<TbResourceId> findIdsByTenantId(UUID tenantId, PageLink pageLink) {
+        return DaoUtil.pageToPageData(resourceRepository.findIdsByTenantId(tenantId, DaoUtil.toPageable(pageLink))
+                .map(TbResourceId::new));
+    }
+
+    @Override
+    public TbResourceId getExternalIdByInternal(TbResourceId internalId) {
+        return DaoUtil.toEntityId(resourceRepository.getExternalIdByInternal(internalId.getId()), TbResourceId::new);
+    }
+
     @Override
     public EntityType getEntityType() {
         return EntityType.TB_RESOURCE;

dao/src/main/java/org/thingsboard/server/dao/sql/resource/TbResourceRepository.java

@@ -20,12 +20,13 @@ import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+import org.thingsboard.server.dao.ExportableEntityRepository;
 import org.thingsboard.server.dao.model.sql.TbResourceEntity;
 
 import java.util.List;
 import java.util.UUID;
 
-public interface TbResourceRepository extends JpaRepository<TbResourceEntity, UUID> {
+public interface TbResourceRepository extends JpaRepository<TbResourceEntity, UUID> , ExportableEntityRepository<TbResourceEntity> {
 
     TbResourceEntity findByTenantIdAndResourceTypeAndResourceKey(UUID tenantId, String resourceType, String resourceKey);
 
@@ -87,4 +88,10 @@ public interface TbResourceRepository extends JpaRepository<TbResourceEntity, UU
     @Query(value = "SELECT COALESCE(preview, data) FROM resource WHERE id = :id", nativeQuery = true)
     byte[] getPreviewById(@Param("id") UUID id);
 
+    @Query("SELECT externalId FROM TbResourceInfoEntity WHERE id = :id")
+    UUID getExternalIdByInternal(@Param("id") UUID internalId);
+
+    @Query("SELECT id FROM TbResourceInfoEntity WHERE tenantId = :tenantId")
+    Page<UUID> findIdsByTenantId(@Param("tenantId") UUID tenantId, Pageable pageable);
+
 }

dao/src/main/java/org/thingsboard/server/dao/sql/widget/JpaWidgetTypeDao.java

@@ -204,6 +204,12 @@ public class JpaWidgetTypeDao extends JpaAbstractDao<WidgetTypeDetailsEntity, Wi
                                 DaoUtil.toPageable(pageLink)));
     }
 
+    @Override
+    public PageData<WidgetTypeId> findIdsByTenantId(UUID tenantId, PageLink pageLink) {
+        return DaoUtil.pageToPageData(widgetTypeRepository.findIdsByTenantId(tenantId, DaoUtil.toPageable(pageLink))
+                .map(WidgetTypeId::new));
+    }
+
     @Override
     public WidgetTypeId getExternalIdByInternal(WidgetTypeId internalId) {
         return Optional.ofNullable(widgetTypeRepository.getExternalIdById(internalId.getId()))

dao/src/main/java/org/thingsboard/server/dao/sql/widget/WidgetTypeRepository.java

@@ -76,7 +76,10 @@ public interface WidgetTypeRepository extends JpaRepository<WidgetTypeDetailsEnt
     @Query("SELECT externalId FROM WidgetTypeDetailsEntity WHERE id = :id")
     UUID getExternalIdById(@Param("id") UUID id);
 
-    @Query("SELECT id FROM WidgetTypeEntity")
+    @Query("SELECT id FROM WidgetTypeDetailsEntity")
     Page<UUID> findAllIds(Pageable pageable);
 
+    @Query("SELECT id FROM WidgetTypeDetailsEntity WHERE tenantId = :tenantId")
+    Page<UUID> findIdsByTenantId(@Param("tenantId") UUID tenantId, Pageable pageable);
+
 }

dao/src/main/resources/sql/schema-entities.sql

@@ -718,6 +718,7 @@ CREATE TABLE IF NOT EXISTS resource (
     etag varchar,
     descriptor varchar,
     preview bytea,
+    external_id uuid,
     CONSTRAINT resource_unq_key UNIQUE (tenant_id, resource_type, resource_key)
 );