Stub for querying entities after deleting dashboard (#4107)

* Code cleaning after review

* Code cleaning

* Refactoring

* Clean solution improved

* Imports standartization

* Correct if statement improved

@@ -27,7 +27,22 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.thingsboard.server.common.data.*;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.DashboardInfo;
+import org.thingsboard.server.common.data.DataConstants;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.DeviceInfo;
+import org.thingsboard.server.common.data.DeviceProfile;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.EntityViewInfo;
+import org.thingsboard.server.common.data.HasName;
+import org.thingsboard.server.common.data.HasTenantId;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.TenantInfo;
+import org.thingsboard.server.common.data.TenantProfile;
+import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.asset.Asset;
@@ -84,6 +99,7 @@ import org.thingsboard.server.dao.oauth2.OAuth2ConfigTemplateService;
 import org.thingsboard.server.dao.oauth2.OAuth2Service;
 import org.thingsboard.server.dao.relation.RelationService;
 import org.thingsboard.server.dao.rule.RuleChainService;
+import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.dao.tenant.TenantProfileService;
 import org.thingsboard.server.dao.tenant.TenantService;
 import org.thingsboard.server.dao.user.UserService;
@@ -95,7 +111,6 @@ import org.thingsboard.server.queue.provider.TbQueueProducerProvider;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.component.ComponentDiscoveryService;
 import org.thingsboard.server.service.profile.TbDeviceProfileCache;
-import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.service.queue.TbClusterService;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.AccessControlService;
@@ -123,6 +138,9 @@ public abstract class BaseController {
     public static final String INCORRECT_TENANT_ID = "Incorrect tenantId ";
     public static final String YOU_DON_T_HAVE_PERMISSION_TO_PERFORM_THIS_OPERATION = "You don't have permission to perform this operation!";
 
+    protected static final String DEFAULT_DASHBOARD = "defaultDashboardId";
+    protected static final String HOME_DASHBOARD = "homeDashboardId";
+
     private static final ObjectMapper json = new ObjectMapper();
 
     @Autowired
@@ -858,4 +876,14 @@ public abstract class BaseController {
             }
         }
     }
+
+    protected void processDashboardIdFromAdditionalInfo(ObjectNode additionalInfo, String requiredFields) throws ThingsboardException {
+        String dashboardId = additionalInfo.has(requiredFields) ? additionalInfo.get(requiredFields).asText() : null;
+        if(dashboardId != null && !dashboardId.equals("null")) {
+            if(dashboardService.findDashboardById(getTenantId(), new DashboardId(UUID.fromString(dashboardId))) == null) {
+                additionalInfo.remove(requiredFields);
+            }
+        }
+    }
+
 }

@@ -55,7 +55,11 @@ public class CustomerController extends BaseController {
         checkParameter(CUSTOMER_ID, strCustomerId);
         try {
             CustomerId customerId = new CustomerId(toUUID(strCustomerId));
-            return checkCustomerId(customerId, Operation.READ);
+            Customer customer = checkCustomerId(customerId, Operation.READ);
+            if(!customer.getAdditionalInfo().isNull()) {
+                processDashboardIdFromAdditionalInfo((ObjectNode) customer.getAdditionalInfo(), HOME_DASHBOARD);
+            }
+            return customer;
         } catch (Exception e) {
             throw handleException(e);
         }

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.controller;
 
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
@@ -59,7 +60,11 @@ public class TenantController extends BaseController {
         checkParameter("tenantId", strTenantId);
         try {
             TenantId tenantId = new TenantId(toUUID(strTenantId));
-            return checkTenantId(tenantId, Operation.READ);
+            Tenant tenant = checkTenantId(tenantId, Operation.READ);
+            if(!tenant.getAdditionalInfo().isNull()) {
+                processDashboardIdFromAdditionalInfo((ObjectNode) tenant.getAdditionalInfo(), HOME_DASHBOARD);
+            }
+            return tenant;
         } catch (Exception e) {
             throw handleException(e);
         }

@@ -53,7 +53,6 @@ import org.thingsboard.server.service.security.model.token.JwtTokenFactory;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
 import org.thingsboard.server.service.security.system.SystemSecurityService;
-import org.thingsboard.server.utils.MiscUtils;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -90,7 +89,12 @@ public class UserController extends BaseController {
         checkParameter(USER_ID, strUserId);
         try {
             UserId userId = new UserId(toUUID(strUserId));
-            return checkUserId(userId, Operation.READ);
+            User user = checkUserId(userId, Operation.READ);
+            if(!user.getAdditionalInfo().isNull()) {
+                processDashboardIdFromAdditionalInfo((ObjectNode) user.getAdditionalInfo(), DEFAULT_DASHBOARD);
+                processDashboardIdFromAdditionalInfo((ObjectNode) user.getAdditionalInfo(), HOME_DASHBOARD);
+            }
+            return user;
         } catch (Exception e) {
             throw handleException(e);
         }
@@ -329,4 +333,5 @@ public class UserController extends BaseController {
             throw handleException(e);
         }
     }
+
 }