Improve APP subscribing functionality

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/services/ApplicationManager.java

@@ -110,6 +110,16 @@ public interface ApplicationManager {
      */
     ApplicationList getApplications(Filter filter) throws ApplicationManagementException;
 
+    /**
+     * To get list of applications that application releases has given package names.
+     *
+     * @param packageNames List of package names.
+     * @return List of applications {@link Application}
+     * @throws ApplicationManagementException if error occurred while getting application data from DB or error
+     * occurred while accessing user store.
+     */
+    List<Application> getApplications(List<String> packageNames) throws ApplicationManagementException;
+
     /**
      * To get the Application for given Id.
      *
@@ -166,7 +176,8 @@ public interface ApplicationManager {
      * @param applicationArtifact Application artifact that contains names and input streams of the application artifacts.
      * @throws ApplicationManagementException ApplicationDTO Management Exception.
      */
-    void updateApplicationImageArtifact(String uuid, ApplicationArtifact applicationArtifact) throws ApplicationManagementException;
+    void updateApplicationImageArtifact(String uuid, ApplicationArtifact applicationArtifact)
+            throws ApplicationManagementException;
 
 
     /**

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/wrapper/EntAppReleaseWrapper.java

@@ -43,7 +43,7 @@ public class EntAppReleaseWrapper {
     private Double price;
 
     @ApiModelProperty(name = "isSharedWithAllTenants",
-            value = "If application release is shared with all tenants it is eqal to 1 otherwise 0",
+            value = "If application release is shared with all tenants it is equal to true otherwise false",
             required = true)
     @NotNull
     private boolean isSharedWithAllTenants;

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/ApplicationDAO.java

@@ -133,8 +133,29 @@ public interface ApplicationDAO {
      */
     ApplicationDTO getApplication(String releaseUuid, int tenantId) throws ApplicationManagementDAOException;
 
+    /**
+     * To get application with a specific application release which has given application release UUID
+     *
+     * @param releaseUuid Applicatioon Release UUID
+     * @param tenantId Tenant Id
+     * @return {@link ApplicationDTO}
+     * @throws ApplicationManagementDAOException if error occurred while getting application and
+     * application release data from the DB.
+     */
     ApplicationDTO getAppWithRelatedRelease(String releaseUuid, int tenantId) throws ApplicationManagementDAOException;
 
+    /**
+     * To get list of applications with a specific application releases which has given package names.
+     *
+     * @param packageNames List of package names
+     * @param tenantId Tenant Id
+     * @return List of {@link ApplicationDTO}
+     * @throws ApplicationManagementDAOException if error occurred while getting application and
+     * application release data from the DB.
+     */
+    List<ApplicationDTO> getAppWithRelatedReleases(List<String> packageNames, int tenantId)
+            throws ApplicationManagementDAOException;
+
     /**
      * Verify whether application exist for given application name and device type. Because a name and device type is
      * unique for an application.
@@ -179,6 +200,4 @@ public interface ApplicationDAO {
     int getApplicationCount(Filter filter, int deviceTypeId, int tenantId) throws ApplicationManagementDAOException;
 
     void deleteApplication(int appId, int tenantId) throws ApplicationManagementDAOException;
-
 }
-

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/ApplicationReleaseDAO.java

@@ -116,7 +116,15 @@ public interface ApplicationReleaseDAO {
     boolean hasExistInstallableAppRelease(String releaseUuid, String installableStateName, int tenantId)
             throws ApplicationManagementDAOException;
 
+    /**
+     * This method is responsible to return list of application releases which contains one of the
+     * providing package name.
+     *
+     * @param packages List of package names
+     * @param tenantId Tenant Id
+     * @return List of application releases {@link ApplicationReleaseDTO}
+     * @throws ApplicationManagementDAOException if error occurred while getting application releases from the DB.
+     */
     List<ApplicationReleaseDTO> getReleaseByPackages(List<String> packages, int tenantId)
             throws ApplicationManagementDAOException;
-
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java

@@ -487,6 +487,81 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
         }
     }
 
+    @Override
+    public List<ApplicationDTO> getAppWithRelatedReleases(List<String> packageNames, int tenantId)
+            throws ApplicationManagementDAOException {
+        if (log.isDebugEnabled()) {
+            log.debug("Getting application and related application releases which has package names: " + packageNames
+                    + " from the database");
+        }
+        try {
+            Connection conn = this.getDBConnection();
+            int index = 1;
+            StringJoiner joiner = new StringJoiner(",",
+                    "SELECT "
+                            + "AP_APP.ID AS APP_ID, "
+                            + "AP_APP.NAME AS APP_NAME, "
+                            + "AP_APP.DESCRIPTION AS APP_DESCRIPTION, "
+                            + "AP_APP.TYPE AS APP_TYPE, "
+                            + "AP_APP.STATUS AS APP_STATUS, "
+                            + "AP_APP.SUB_TYPE AS APP_SUB_TYPE, "
+                            + "AP_APP.CURRENCY AS APP_CURRENCY, "
+                            + "AP_APP.RATING AS APP_RATING, "
+                            + "AP_APP.DEVICE_TYPE_ID AS APP_DEVICE_TYPE_ID, "
+                            + "AP_APP_RELEASE.ID AS RELEASE_ID, "
+                            + "AP_APP_RELEASE.DESCRIPTION AS RELEASE_DESCRIPTION, "
+                            + "AP_APP_RELEASE.VERSION AS RELEASE_VERSION, "
+                            + "AP_APP_RELEASE.UUID AS RELEASE_UUID, "
+                            + "AP_APP_RELEASE.RELEASE_TYPE AS RELEASE_TYPE, "
+                            + "AP_APP_RELEASE.INSTALLER_LOCATION AS AP_RELEASE_STORED_LOC, "
+                            + "AP_APP_RELEASE.ICON_LOCATION AS AP_RELEASE_ICON_LOC, "
+                            + "AP_APP_RELEASE.BANNER_LOCATION AS AP_RELEASE_BANNER_LOC, "
+                            + "AP_APP_RELEASE.SC_1_LOCATION AS AP_RELEASE_SC1, "
+                            + "AP_APP_RELEASE.SC_2_LOCATION AS AP_RELEASE_SC2, "
+                            + "AP_APP_RELEASE.SC_3_LOCATION AS AP_RELEASE_SC3, "
+                            + "AP_APP_RELEASE.APP_HASH_VALUE AS RELEASE_HASH_VALUE, "
+                            + "AP_APP_RELEASE.APP_PRICE AS RELEASE_PRICE, "
+                            + "AP_APP_RELEASE.APP_META_INFO AS RELEASE_META_INFO, "
+                            + "AP_APP_RELEASE.PACKAGE_NAME AS PACKAGE_NAME, "
+                            + "AP_APP_RELEASE.SUPPORTED_OS_VERSIONS AS RELEASE_SUP_OS_VERSIONS, "
+                            + "AP_APP_RELEASE.RATING AS RELEASE_RATING, "
+                            + "AP_APP_RELEASE.CURRENT_STATE AS RELEASE_CURRENT_STATE, "
+                            + "AP_APP_RELEASE.RATED_USERS AS RATED_USER_COUNT "
+                            + "FROM AP_APP "
+                            + "INNER JOIN AP_APP_RELEASE ON "
+                            + "AP_APP.ID = AP_APP_RELEASE.AP_APP_ID AND "
+                            + "AP_APP.TENANT_ID = AP_APP_RELEASE.TENANT_ID "
+                            + "WHERE "
+                            + "AP_APP_RELEASE.PACKAGE_NAME IN (",
+                    ") AND AP_APP.TENANT_ID = ?");
+            packageNames.stream().map(ignored -> "?").forEach(joiner::add);
+            String query = joiner.toString();
+            try (PreparedStatement ps = conn.prepareStatement(query)) {
+                for (String packageName : packageNames) {
+                    ps.setObject(index++, packageName);
+                }
+                ps.setInt(index, tenantId);
+                try (ResultSet rs = ps.executeQuery()) {
+                    if (log.isDebugEnabled()) {
+                        log.debug("Successfully retrieved basic details of the application and related application "
+                                + "release for the application release which has package names:  " + packageNames);
+                    }
+                    return DAOUtil.loadApplications(rs);
+                }
+            }
+        } catch (DBConnectionException e) {
+            String msg = "Error occurred while obtaining the DB connection to get application and related application "
+                    + "releases which has package names: " + packageNames;
+            log.error(msg, e);
+            throw new ApplicationManagementDAOException(msg, e);
+        } catch (SQLException e) {
+            String msg = "Error occurred while getting application and related app release details of releases which "
+                    + "has package names " + packageNames + " while executing query.";
+            log.error(msg, e);
+            throw new ApplicationManagementDAOException(msg, e);
+        }
+    }
+
     @Override
     public ApplicationDTO getApplication(int applicationId, int tenantId)
             throws ApplicationManagementDAOException {

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -484,7 +484,6 @@ public class ApplicationManagerImpl implements ApplicationManager {
                         }
                     }
                 }
-
             }
         } catch (IOException e) {
             String msg = "Error occurred when getting byte array of binary file. Installer name: " + applicationArtifact
@@ -697,6 +696,60 @@ public class ApplicationManagerImpl implements ApplicationManager {
         }
     }
 
+    @Override
+    public List<Application> getApplications(List<String> packageNames) throws ApplicationManagementException {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
+        String userName = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
+        try {
+            ConnectionManagerUtil.openDBConnection();
+            List<ApplicationDTO> appDTOs = applicationDAO.getAppWithRelatedReleases(packageNames, tenantId);
+            List<ApplicationDTO> filteredApplications = new ArrayList<>();
+            for (ApplicationDTO applicationDTO : appDTOs) {
+                if (!lifecycleStateManager.getEndState().equals(applicationDTO.getStatus())) {
+                    //Set application categories, tags and unrestricted roles to the application DTO.
+                    applicationDTO
+                            .setUnrestrictedRoles(visibilityDAO.getUnrestrictedRoles(applicationDTO.getId(), tenantId));
+                    applicationDTO.setAppCategories(applicationDAO.getAppCategories(applicationDTO.getId(), tenantId));
+                    applicationDTO.setTags(applicationDAO.getAppTags(applicationDTO.getId(), tenantId));
+                    if (applicationDTO.getUnrestrictedRoles().isEmpty() || hasUserRole(
+                            applicationDTO.getUnrestrictedRoles(), userName)) {
+                        filteredApplications.add(applicationDTO);
+                    }
+                }
+
+                List<ApplicationReleaseDTO> filteredApplicationReleaseDTOs = new ArrayList<>();
+                for (ApplicationReleaseDTO applicationReleaseDTO : applicationDTO.getApplicationReleaseDTOs()) {
+                    if (!applicationReleaseDTO.getCurrentState().equals(lifecycleStateManager.getEndState())) {
+                        filteredApplicationReleaseDTOs.add(applicationReleaseDTO);
+                    }
+                }
+                applicationDTO.setApplicationReleaseDTOs(filteredApplicationReleaseDTOs);
+            }
+
+            List<Application> applications = new ArrayList<>();
+            for (ApplicationDTO appDTO : filteredApplications) {
+                applications.add(APIUtil.appDtoToAppResponse(appDTO));
+            }
+            return applications;
+        } catch (DBConnectionException e) {
+            String msg = "Error occurred when getting database connection to get applications by filtering from "
+                    + "requested filter.";
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } catch (UserStoreException e) {
+            String msg = "User-store exception while checking whether the user " + userName + " of tenant " + tenantId
+                    + " has the publisher permission";
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } catch (ApplicationManagementDAOException e) {
+            String msg = "DAO exception while getting applications for the user " + userName + " of tenant " + tenantId;
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } finally {
+            ConnectionManagerUtil.closeDBConnection();
+        }
+    }
+
     /**
      * Check whether at least one filtering role is in app unrestricted roles.
      *
@@ -1471,13 +1524,6 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 throw new NotFoundException(msg);
             }
 
-            String currentState = applicationReleaseDTO.getCurrentState();
-            if (!lifecycleStateManager.isUpdatableState(currentState)){
-                throw new ForbiddenException(
-                        "Can't Update the application release. Application release is in " + currentState
-                                + " and it is not an release updatable state. Hence please move the application release"
-                                + " into updatable state and retry the operation.");
-            }
             applicationReleaseDTO = this.applicationReleaseDAO
                     .updateRelease(updateImageArtifacts(applicationReleaseDTO, applicationArtifact, tenantId), tenantId);
             if (applicationReleaseDTO == null) {
@@ -1828,8 +1874,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 }
 
                 if (!isExistingAppRestricted) {
-                    visibilityDAO
+                    visibilityDAO.addUnrestrictedRoles(applicationUpdateWrapper.getUnrestrictedRoles(), applicationId,
-                            .addUnrestrictedRoles(applicationUpdateWrapper.getUnrestrictedRoles(), applicationId, tenantId);
+                            tenantId);
                     appUnrestrictedRoles = applicationUpdateWrapper.getUnrestrictedRoles();
                 } else {
                     List<String> addingRoleList = getDifference(applicationUpdateWrapper.getUnrestrictedRoles(),
@@ -1854,21 +1900,23 @@ public class ApplicationManagerImpl implements ApplicationManager {
                         .collect(Collectors.toList());
 
                 if (!getDifference(updatingAppCategries, allCategoryName).isEmpty()){
-                   String msg = "Application update request contains invalid category names. Hence please verify the request payload";
+                    String msg = "Application update request contains invalid category names. Hence please verify the "
+                            + "request payload";
                    log.error(msg);
                    throw new BadRequestException(msg);
                 }
 
-
                 List<String> addingAppCategories = getDifference(updatingAppCategries, appCategories);
                 List<String> removingAppCategories = getDifference(appCategories, updatingAppCategries);
                 if (!addingAppCategories.isEmpty()) {
-                    List<Integer> categoryIds = this.applicationDAO.getCategoryIdsForCategoryNames(addingAppCategories, tenantId);
+                    List<Integer> categoryIds = this.applicationDAO
+                            .getCategoryIdsForCategoryNames(addingAppCategories, tenantId);
                     this.applicationDAO.addCategoryMapping(categoryIds, applicationId, tenantId);
                     appCategories.addAll(addingAppCategories);
                 }
                 if (!removingAppCategories.isEmpty()) {
-                    List<Integer> categoryIds = this.applicationDAO.getCategoryIdsForCategoryNames(removingAppCategories, tenantId);
+                    List<Integer> categoryIds = this.applicationDAO
+                            .getCategoryIdsForCategoryNames(removingAppCategories, tenantId);
                     this.applicationDAO.deleteAppCategories(categoryIds, applicationId, tenantId);
                     appCategories.removeAll(removingAppCategories);
                 }
@@ -2466,7 +2514,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
             ApplicationDTO applicationDTO = this.applicationDAO.getAppWithRelatedRelease(releaseUuid, tenantId);
             AtomicReference<ApplicationReleaseDTO> applicationReleaseDTO = new AtomicReference<>(
                     applicationDTO.getApplicationReleaseDTOs().get(0));
-            validateAppReleaseUpdating(applicationDTO, ApplicationType.ENTERPRISE.toString());
+            validateAppReleaseUpdating(entAppReleaseWrapper, applicationDTO, applicationArtifact,
+                    ApplicationType.ENTERPRISE.toString());
             applicationReleaseDTO.get().setPrice(entAppReleaseWrapper.getPrice());
             applicationReleaseDTO.get().setIsSharedWithAllTenants(applicationReleaseDTO.get().getIsSharedWithAllTenants());
             if (!StringUtils.isEmpty(entAppReleaseWrapper.getSupportedOsVersions())) {
@@ -2530,7 +2579,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
         try {
             ConnectionManagerUtil.beginDBTransaction();
             ApplicationDTO applicationDTO = this.applicationDAO.getAppWithRelatedRelease(releaseUuid, tenantId);
-            validateAppReleaseUpdating(applicationDTO, ApplicationType.PUBLIC.toString());
+            validateAppReleaseUpdating(publicAppReleaseWrapper, applicationDTO, applicationArtifact,
+                    ApplicationType.PUBLIC.toString());
             AtomicReference<ApplicationReleaseDTO> applicationReleaseDTO = new AtomicReference<>(
                     applicationDTO.getApplicationReleaseDTOs().get(0));
 
@@ -2598,7 +2648,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
         try {
             ConnectionManagerUtil.beginDBTransaction();
             ApplicationDTO applicationDTO = this.applicationDAO.getAppWithRelatedRelease(releaseUuid, tenantId);
-            validateAppReleaseUpdating(applicationDTO, ApplicationType.WEB_CLIP.toString());
+            validateAppReleaseUpdating(webAppReleaseWrapper, applicationDTO, applicationArtifact,
+                    ApplicationType.WEB_CLIP.toString());
             AtomicReference<ApplicationReleaseDTO> applicationReleaseDTO = new AtomicReference<>(
                     applicationDTO.getApplicationReleaseDTOs().get(0));
 
@@ -2665,7 +2716,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
             ApplicationDTO applicationDTO = this.applicationDAO.getAppWithRelatedRelease(releaseUuid, tenantId);
             AtomicReference<ApplicationReleaseDTO> applicationReleaseDTO = new AtomicReference<>(
                     applicationDTO.getApplicationReleaseDTOs().get(0));
-            validateAppReleaseUpdating(applicationDTO, ApplicationType.ENTERPRISE.toString());
+            validateAppReleaseUpdating(customAppReleaseWrapper, applicationDTO, applicationArtifact,
+                    ApplicationType.ENTERPRISE.toString());
             applicationReleaseDTO.get().setPrice(customAppReleaseWrapper.getPrice());
             applicationReleaseDTO.get()
                     .setIsSharedWithAllTenants(applicationReleaseDTO.get().getIsSharedWithAllTenants());
@@ -2700,7 +2752,6 @@ public class ApplicationManagerImpl implements ApplicationManager {
                             throw new ApplicationStorageManagementException(msg);
                         }
                         if (!applicationReleaseDTO.get().getAppHashValue().equals(md5OfApp)) {
-                            applicationReleaseDTO.get().setInstallerName(applicationArtifact.getInstallerName());
                             try {
                                 ConnectionManagerUtil.getDBConnection();
                                 if (this.applicationReleaseDAO.verifyReleaseExistenceByHash(md5OfApp, tenantId)) {
@@ -2713,6 +2764,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
                                     throw new BadRequestException(msg);
                                 }
 
+                                applicationReleaseDTO.get().setInstallerName(applicationArtifact.getInstallerName());
                                 String deletingAppHashValue = applicationReleaseDTO.get().getAppHashValue();
                                 applicationReleaseDTO.get().setAppHashValue(md5OfApp);
                                 try (ByteArrayInputStream binaryDuplicate = new ByteArrayInputStream(content)) {
@@ -2778,7 +2830,18 @@ public class ApplicationManagerImpl implements ApplicationManager {
         }
     }
 
-    private void validateAppReleaseUpdating(ApplicationDTO applicationDTO, String appType)
+    /**
+     * To validate app release updating request
+     *
+     * @param param either {@link EntAppReleaseWrapper} or {@link PublicAppReleaseWrapper}
+     *              or {@link WebAppReleaseWrapper} or {@link CustomAppReleaseWrapper}
+     * @param applicationDTO Existing application {@link ApplicationDTO}
+     * @param applicationArtifact Application release artifacts which contains either icon or screenshots or artifact
+     * @param appType Application Type
+     * @throws ApplicationManagementException if invalid application release updating payload received.
+     */
+    private <T> void validateAppReleaseUpdating(T param, ApplicationDTO applicationDTO,
+            ApplicationArtifact applicationArtifact, String appType)
             throws ApplicationManagementException {
         if (applicationDTO == null) {
             String msg = "Couldn't found an application for requested UUID.";
@@ -2792,8 +2855,38 @@ public class ApplicationManagerImpl implements ApplicationManager {
             throw new ForbiddenException(msg);
         }
 
+        boolean requireToCheckUpdatability = false;
+        double price = 0.0;
+        String supportedOsVersions = null;
+
+        if (param instanceof EntAppReleaseWrapper) {
+            EntAppReleaseWrapper entAppReleaseWrapper = (EntAppReleaseWrapper) param;
+            if (!StringUtils.isEmpty(applicationArtifact.getInstallerName())
+                    && applicationArtifact.getInstallerStream() != null) {
+                requireToCheckUpdatability = true;
+            }
+            price = entAppReleaseWrapper.getPrice();
+            supportedOsVersions = entAppReleaseWrapper.getSupportedOsVersions();
+        } else if (param instanceof PublicAppReleaseWrapper) {
+            PublicAppReleaseWrapper publicAppReleaseWrapper = (PublicAppReleaseWrapper) param;
+            if (!StringUtils.isBlank(publicAppReleaseWrapper.getPackageName())) {
+                requireToCheckUpdatability = true;
+            }
+            price = publicAppReleaseWrapper.getPrice();
+            supportedOsVersions = publicAppReleaseWrapper.getSupportedOsVersions();
+        } else if (param instanceof WebAppReleaseWrapper) {
+            WebAppReleaseWrapper webAppReleaseWrapper = (WebAppReleaseWrapper) param;
+            if (!StringUtils.isBlank(webAppReleaseWrapper.getUrl())) {
+                requireToCheckUpdatability = true;
+            }
+        } else if (param instanceof CustomAppReleaseWrapper && !StringUtils
+                .isEmpty(applicationArtifact.getInstallerName()) && applicationArtifact.getInstallerStream() != null) {
+            requireToCheckUpdatability = true;
+        }
+
         ApplicationReleaseDTO applicationReleaseDTO = applicationDTO.getApplicationReleaseDTOs().get(0);
-        if (!lifecycleStateManager.isUpdatableState(applicationReleaseDTO.getCurrentState())) {
+        if (requireToCheckUpdatability && !lifecycleStateManager
+                .isUpdatableState(applicationReleaseDTO.getCurrentState())) {
             String msg = "Application release in " + applicationReleaseDTO.getCurrentState()
                     + " state. Therefore you are not allowed to update the application release. Hence, "
                     + "please move application release from " + applicationReleaseDTO.getCurrentState()
@@ -2803,18 +2896,19 @@ public class ApplicationManagerImpl implements ApplicationManager {
         }
 
         String applicationSubType = applicationDTO.getSubType();
-        double price = applicationReleaseDTO.getPrice();
         if (price < 0.0 || (price == 0.0 && ApplicationSubscriptionType.PAID.toString().equals(applicationSubType)) || (
                 price > 0.0 && ApplicationSubscriptionType.FREE.toString().equals(applicationSubType))) {
-            throw new BadRequestException("Invalid app release payload for updating application release. Application "
+            String msg =
-                    + "price is " + price + " for " + applicationSubType + " application.");
+                    "Invalid app release payload for updating application release. Application " + "price is " + price
+                            + " for " + applicationSubType + " application.";
+            log.error(msg);
+            throw new BadRequestException(msg);
         }
 
-        if (!ApplicationType.WEB_CLIP.toString().equals(appType) && !ApplicationType.WEB_APP.toString()
+        if (ApplicationType.ENTERPRISE.toString().equals(appType) || ApplicationType.PUBLIC.toString()
                 .equals(appType)) {
             DeviceType deviceTypeObj = APIUtil.getDeviceTypeData(applicationDTO.getDeviceTypeId());
-            String supportedOSVersions = applicationReleaseDTO.getSupportedOsVersions();
+            if (!StringUtils.isEmpty(supportedOsVersions) && isInvalidOsVersionRange(supportedOsVersions,
-            if (!StringUtils.isEmpty(supportedOSVersions) && isInvalidOsVersionRange(supportedOSVersions,
                     deviceTypeObj.getName())) {
                 String msg = "You are trying to update application release which has invalid or unsupported OS "
                         + "versions in the supportedOsVersions section. Hence, please re-evaluate the request payload.";

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/ApplicationManagementPublisherAPI.java

@@ -679,10 +679,6 @@ public interface ApplicationManagementPublisherAPI {
                     @ApiResponse(
                             code = 200,
                             message = "OK. \n Successfully updated artifacts."),
-                    @ApiResponse(
-                            code = 403,
-                            message = "FORBIDDEN. \n Can't Update the application release in PUBLISHED or DEPRECATED "
-                                    + "state. Hence please demote the application and update the application release"),
                     @ApiResponse(
                             code = 404,
                             message = "NOT FOUND. \n Error occurred while updating the application."),

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/impl/ApplicationManagementPublisherAPIImpl.java

@@ -404,11 +404,11 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
             return Response.status(Response.Status.OK)
                     .entity("Successfully uploaded artifacts for the application " + applicationReleaseUuid).build();
         } catch (NotFoundException e) {
-            log.error(e.getMessage(), e);
+            String msg = "Couldn't found an application release which has application release UUID "
+                    + applicationReleaseUuid + ". HEnce please verify the application release UUID again and execute "
+                    + "the operation";
+            log.error(msg, e);
             return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
-        } catch (ForbiddenException e) {
-            log.error(e.getMessage(), e);
-            return Response.status(Response.Status.FORBIDDEN).entity(e.getMessage()).build();
         } catch (ApplicationManagementException e) {
             String msg = "Error occurred while updating the application image artifacts for application release uuid: "
                     + applicationReleaseUuid;