return empty object for app store and version info to fit UI component behaviour

common/data/src/main/java/org/thingsboard/server/common/data/mobile/app/StoreInfo.java

@@ -15,12 +15,16 @@
  */
 package org.thingsboard.server.common.data.mobile.app;
 
+import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 import org.thingsboard.server.common.data.validation.NoXss;
 
 @Data
 @Builder
+@NoArgsConstructor
+@AllArgsConstructor
 public class StoreInfo {
 
     @NoXss

dao/src/main/java/org/thingsboard/server/dao/model/ModelConstants.java

@@ -19,6 +19,8 @@ import com.datastax.oss.driver.api.core.uuid.Uuids;
 import org.apache.commons.lang3.ArrayUtils;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.kv.Aggregation;
+import org.thingsboard.server.common.data.mobile.app.MobileAppVersionInfo;
+import org.thingsboard.server.common.data.mobile.app.StoreInfo;
 
 import java.util.UUID;
 
@@ -454,6 +456,8 @@ public class ModelConstants {
     public static final String MOBILE_APP_STATUS_PROPERTY = "status";
     public static final String MOBILE_APP_VERSION_INFO_PROPERTY = "version_info";
     public static final String MOBILE_APP_STORE_INFO_PROPERTY = "store_info";
+    public static final MobileAppVersionInfo MOBILE_APP_VERSION_INFO_EMPTY_OBJECT = new MobileAppVersionInfo();
+    public static final StoreInfo MOBILE_APP_STORE_INFO_EMPTY_OBJECT = new StoreInfo();
 
     /**
      * Mobile application bundle constants.

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

@@ -37,6 +37,8 @@ import org.thingsboard.server.dao.util.mapping.JsonConverter;
 
 import java.util.UUID;
 
+import static org.thingsboard.server.dao.model.ModelConstants.MOBILE_APP_STORE_INFO_EMPTY_OBJECT;
+import static org.thingsboard.server.dao.model.ModelConstants.MOBILE_APP_VERSION_INFO_EMPTY_OBJECT;
 import static org.thingsboard.server.dao.model.ModelConstants.TENANT_ID_COLUMN;
 
 @Data
@@ -99,8 +101,8 @@ public class MobileAppEntity extends BaseSqlEntity<MobileApp> {
         mobile.setAppSecret(appSecret);
         mobile.setPlatformType(platformType);
         mobile.setStatus(status);
-        mobile.setVersionInfo(fromJson(versionInfo, MobileAppVersionInfo.class));
+        mobile.setVersionInfo(versionInfo != null ? fromJson(versionInfo, MobileAppVersionInfo.class) : MOBILE_APP_VERSION_INFO_EMPTY_OBJECT);
-        mobile.setStoreInfo(fromJson(storeInfo, StoreInfo.class));
+        mobile.setStoreInfo(storeInfo != null ? fromJson(storeInfo, StoreInfo.class) : MOBILE_APP_STORE_INFO_EMPTY_OBJECT);
         return mobile;
     }
 }