code refactoring

application/src/main/java/org/thingsboard/server/controller/OAuth2Controller.java

@@ -133,7 +133,7 @@ public class OAuth2Controller extends BaseController {
     }
 
     @ApiOperation(value = "Get OAuth2 Client infos By Ids (findTenantOAuth2ClientInfosByIds)",
-            notes = "Fetch OAuth2 Client info objects based on the provided ids. ")
+            notes = "Fetch OAuth2 Client info objects based on the provided ids. " + SYSTEM_OR_TENANT_AUTHORITY_PARAGRAPH)
     @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN')")
     @GetMapping(value = "/oauth2/client/infos", params = {"clientIds"})
     public List<OAuth2ClientInfo> findTenantOAuth2ClientInfosByIds(
@@ -164,7 +164,7 @@ public class OAuth2Controller extends BaseController {
     @ApiOperation(value = "Get OAuth2 log in processing URL (getLoginProcessingUrl)", notes = "Returns the URL enclosed in " +
             "double quotes. After successful authentication with OAuth2 provider, it makes a redirect to this path so that the platform can do " +
             "further log in processing. This URL may be configured as 'security.oauth2.loginProcessingUrl' property in yml configuration file, or " +
-            "as 'SECURITY_OAUTH2_LOGIN_PROCESSING_URL' env variable. By default it is '/login/oauth2/code/'" + SYSTEM_AUTHORITY_PARAGRAPH)
+            "as 'SECURITY_OAUTH2_LOGIN_PROCESSING_URL' env variable. By default it is '/login/oauth2/code/'" + SYSTEM_OR_TENANT_AUTHORITY_PARAGRAPH)
     @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN')")
     @GetMapping(value = "/oauth2/loginProcessingUrl")
     public String getLoginProcessingUrl() {

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

@@ -151,12 +151,7 @@ public class QrCodeSettingsController extends BaseController {
         String baseUrl = systemSecurityService.getBaseUrl(TenantId.SYS_TENANT_ID, null, request);
         String platformDomain = new URI(baseUrl).getHost();
         QrCodeSettings qrCodeSettings = qrCodeSettingService.findQrCodeSettings(TenantId.SYS_TENANT_ID);
-        String appDomain;
-        if (!qrCodeSettings.isUseDefaultApp()) {
-            appDomain = platformDomain;
-        } else {
-            appDomain = defaultAppDomain;
-        }
+        String appDomain = qrCodeSettings.isUseDefaultApp() ? defaultAppDomain : platformDomain;
         String deepLink = String.format(DEEP_LINK_PATTERN, appDomain, secret, mobileSecretKeyTtl);
         if (!appDomain.equals(platformDomain)) {
             deepLink = deepLink + "&host=" + baseUrl;

dao/src/main/java/org/thingsboard/server/dao/mobile/MobileAppBundleServiceImpl.java

@@ -45,10 +45,14 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
+import static org.thingsboard.server.dao.service.Validator.checkNotNull;
+
 @Slf4j
 @Service
 public class MobileAppBundleServiceImpl extends AbstractEntityService implements MobileAppBundleService {
 
+    private static final String PLATFORM_TYPE_IS_REQUIRED = "Platform type is required if package name is specified";
+
     @Autowired
     private OAuth2ClientDao oauth2ClientDao;
     @Autowired
@@ -136,6 +140,7 @@ public class MobileAppBundleServiceImpl extends AbstractEntityService implements
     @Override
     public MobileAppBundle findMobileAppBundleByPkgNameAndPlatform(TenantId tenantId, String pkgName, PlatformType platform) {
         log.trace("Executing findMobileAppBundleByPkgNameAndPlatform, tenantId [{}], pkgName [{}], platform [{}]", tenantId, pkgName, platform);
+        checkNotNull(platform, PLATFORM_TYPE_IS_REQUIRED);
         return mobileAppBundleDao.findByPkgNameAndPlatform(tenantId, pkgName, platform);
     }
 

dao/src/main/java/org/thingsboard/server/dao/mobile/MobileAppServiceImpl.java

@@ -33,6 +33,7 @@ import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.eventsourcing.DeleteEntityEvent;
 import org.thingsboard.server.dao.eventsourcing.SaveEntityEvent;
 import org.thingsboard.server.dao.service.DataValidator;
+import org.thingsboard.server.dao.service.Validator;
 
 import java.util.Map;
 import java.util.Optional;
@@ -41,6 +42,8 @@ import java.util.Optional;
 @Service
 public class MobileAppServiceImpl extends AbstractEntityService implements MobileAppService {
 
+    private static final String PLATFORM_TYPE_IS_REQUIRED = "Platform type is required if package name is specified";
+
     @Autowired
     private MobileAppDao mobileAppDao;
     @Autowired
@@ -104,9 +107,10 @@ public class MobileAppServiceImpl extends AbstractEntityService implements Mobil
     }
 
     @Override
-    public MobileApp findMobileAppByPkgNameAndPlatformType(String pkgName, PlatformType platform) {
-        log.trace("Executing findMobileAppByPkgNameAndPlatformType, pkgName [{}], platform [{}]", pkgName, platform);
-        return mobileAppDao.findByPkgNameAndPlatformType(TenantId.SYS_TENANT_ID, pkgName, platform);
+    public MobileApp findMobileAppByPkgNameAndPlatformType(String pkgName, PlatformType platformType) {
+        log.trace("Executing findMobileAppByPkgNameAndPlatformType, pkgName [{}], platform [{}]", pkgName, platformType);
+        Validator.checkNotNull(platformType, PLATFORM_TYPE_IS_REQUIRED);
+        return mobileAppDao.findByPkgNameAndPlatformType(TenantId.SYS_TENANT_ID, pkgName, platformType);
     }
 
     @Override