Merge branch 'application-mgt-new' into 'application-mgt-new'

Add new API to perform ent. app installation

See merge request entgra/carbon-device-mgt!351

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

@@ -26,6 +26,7 @@ public class SubscribingDeviceIdHolder {
     private Map<DeviceIdentifier, Integer> appInstalledDevices = new HashMap<>();
     private Map<DeviceIdentifier, Integer> appInstallableDevices = new HashMap<>();
     private Map<DeviceIdentifier, Integer> appReInstallableDevices = new HashMap<>();
+    private Map<DeviceIdentifier, Integer> appReUnInstallableDevices = new HashMap<>();
     private Map<DeviceIdentifier, Integer> skippedDevices = new HashMap<>();
 
     public Map<DeviceIdentifier, Integer> getAppInstalledDevices() {
@@ -57,4 +58,12 @@ public class SubscribingDeviceIdHolder {
     public void setSkippedDevices(Map<DeviceIdentifier, Integer> skippedDevices) {
         this.skippedDevices = skippedDevices;
     }
+
+    public Map<DeviceIdentifier, Integer> getAppReUnInstallableDevices() {
+        return appReUnInstallableDevices;
+    }
+
+    public void setAppReUnInstallableDevices(Map<DeviceIdentifier, Integer> appReUnInstallableDevices) {
+        this.appReUnInstallableDevices = appReUnInstallableDevices;
+    }
 }

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

@@ -83,6 +83,23 @@ public interface SubscriptionManager {
      */
     void updateScheduledSubscriptionStatus(int id, ExecutionStatus status) throws SubscriptionManagementException;
 
+    /**
+     * Perform google enterprise app install
+     * @param applicationUUID UUID of the application to subscribe/unsubscribe
+     * @param params          list of subscribers. This list can be of either
+     *                        {@link org.wso2.carbon.device.mgt.common.DeviceIdentifier} if {@param subType} is equal
+     *                        to DEVICE or {@link String} if {@param subType} is USER, ROLE or GROUP
+     * @param subType         subscription type. E.g. <code>DEVICE, USER, ROLE, GROUP</code> {@see {
+     * @param action          subscription action. E.g. <code>INSTALL/UNINSTALL</code> {@see {
+     * @param <T>             generic type of the method.
+     * @return {@link ApplicationInstallResponse}
+     * @throws ApplicationManagementException ApplicationManagementException if error occurs when subscribing to the
+     * given application
+     * @link org.wso2.carbon.device.application.mgt.common.SubscriptionType}}
+     */
+    <T> void performEntAppSubscription(String applicationUUID, List<T> params, String subType, String action)
+            throws ApplicationManagementException;
+
     /***
      * This method used to get the app id ,device ids and pass them to DM service method.
      *
@@ -106,7 +123,7 @@ public interface SubscriptionManager {
      * @return {@link PaginationResult} pagination result of the category details.
      * @throws {@link ApplicationManagementException} Exception of the application management
      */
-    PaginationResult getAppInstalledCategories(int offsetValue, int limitValue, String appUUID,
+    PaginationResult getAppInstalledSubscribers(int offsetValue, int limitValue, String appUUID,
                                                String subType) throws ApplicationManagementException;
 
     /**

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

@@ -33,7 +33,7 @@ import java.util.Map;
  */
 public interface SubscriptionDAO {
 
-    List<Integer> addDeviceSubscription(String subscribedBy, List<Integer> deviceIds, String subscribedFrom,
+    void addDeviceSubscription(String subscribedBy, List<Integer> deviceIds, String subscribedFrom,
             String installStatus, int releaseId, int tenantId ) throws ApplicationManagementDAOException;
 
     void updateDeviceSubscription(String updateBy, List<Integer> deviceIds, String action, String actionTriggeredFrom,
@@ -66,13 +66,13 @@ public interface SubscriptionDAO {
     Map<Integer, DeviceSubscriptionDTO> getDeviceSubscriptions(List<Integer> deviceIds, int appReleaseId, int tenantId)
             throws ApplicationManagementDAOException;
 
-    List<String> getSubscribedUserNames(List<String> users, int tenantId) throws
+    List<String> getAppSubscribedUserNames(List<String> users, int appReleaseId, int tenantId) throws
             ApplicationManagementDAOException;
 
-    List<String> getSubscribedRoleNames(List<String> roles, int tenantId) throws
+    List<String> getAppSubscribedRoleNames(List<String> roles, int appReleaseId, int tenantId) throws
             ApplicationManagementDAOException;
 
-    List<String> getSubscribedGroupNames(List<String> groups, int tenantId) throws
+    List<String> getAppSubscribedGroupNames(List<String> groups, int appReleaseId, int tenantId) throws
             ApplicationManagementDAOException;
 
     void updateSubscriptions(int tenantId, String updateBy, List<String> paramList,
@@ -81,7 +81,8 @@ public interface SubscriptionDAO {
     List<Integer> getDeviceSubIds(List<Integer> deviceIds, int applicationReleaseId, int tenantId)
             throws ApplicationManagementDAOException;
 
-    List<Integer> getDeviceSubIdsForOperation (int operationId, int tenantId) throws ApplicationManagementDAOException;
+    List<Integer> getDeviceSubIdsForOperation(int operationId, int deviceID, int tenantId)
+            throws ApplicationManagementDAOException;
 
     boolean updateDeviceSubStatus(int deviceId, List<Integer> deviceSubIds, String status, int tenantcId)
             throws ApplicationManagementDAOException;

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

@@ -49,7 +49,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     private static Log log = LogFactory.getLog(GenericSubscriptionDAOImpl.class);
 
     @Override
-    public List<Integer> addDeviceSubscription(String subscribedBy, List<Integer> deviceIds,
+    public void addDeviceSubscription(String subscribedBy, List<Integer> deviceIds,
             String subscribedFrom, String installStatus, int releaseId, int tenantId)
             throws ApplicationManagementDAOException {
         String sql = "INSERT INTO "
@@ -82,13 +82,6 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
                     }
                 }
                 stmt.executeBatch();
-                try (ResultSet rs = stmt.getGeneratedKeys()) {
-                    List<Integer> deviceSubIds = new ArrayList<>();
-                    while (rs.next()) {
-                        deviceSubIds.add(rs.getInt(1));
-                    }
-                    return deviceSubIds;
-                }
             }
         } catch (DBConnectionException e) {
             String msg = "Error occured while obtaining database connection to add device subscription for application "
@@ -425,8 +418,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
         }
     }
 
-    @Override
+    public List<String> getAppSubscribedUserNames(List<String> users, int appReleaseId, int tenantId)
-    public List<String> getSubscribedUserNames(List<String> users, int tenantId)
             throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to get already subscribed users for given list of user names.");
@@ -438,13 +430,14 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             StringJoiner joiner = new StringJoiner(",",
                     "SELECT US.USER_NAME AS USER_NAME "
                             + "FROM AP_USER_SUBSCRIPTION US "
-                            + "WHERE US.USER_NAME IN (", ") AND TENANT_ID = ?");
+                            + "WHERE US.USER_NAME IN (", ") AND AP_APP_RELEASE_ID = ? AND TENANT_ID = ?");
             users.stream().map(ignored -> "?").forEach(joiner::add);
             String query = joiner.toString();
             try (PreparedStatement ps = conn.prepareStatement(query)) {
                 for (String username : users) {
                     ps.setObject(index++, username);
                 }
+                ps.setInt(index++, appReleaseId);
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
@@ -465,8 +458,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
         }
     }
 
-    @Override
+    public List<String> getAppSubscribedRoleNames(List<String> roles, int appReleaseId, int tenantId)
-    public List<String> getSubscribedRoleNames(List<String> roles, int tenantId)
             throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to get already subscribed role names for given list of roles.");
@@ -478,13 +470,14 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             StringJoiner joiner = new StringJoiner(",",
                     "SELECT RS.ROLE_NAME AS ROLE "
                             + "FROM AP_ROLE_SUBSCRIPTION RS "
-                            + "WHERE RS.ROLE_NAME IN (", ") AND TENANT_ID = ?");
+                            + "WHERE RS.ROLE_NAME IN (", ") AND AP_APP_RELEASE_ID = ? AND TENANT_ID = ?");
             roles.stream().map(ignored -> "?").forEach(joiner::add);
             String query = joiner.toString();
             try (PreparedStatement ps = conn.prepareStatement(query)) {
                 for (String roleName : roles) {
                     ps.setObject(index++, roleName);
                 }
+                ps.setInt(index++, appReleaseId);
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
@@ -506,7 +499,7 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     }
 
     @Override
-    public List<String> getSubscribedGroupNames(List<String> groups, int tenantId)
+    public List<String> getAppSubscribedGroupNames(List<String> groups, int appReleaseId, int tenantId)
             throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to get already subscribed groups for given list of groups.");
@@ -518,13 +511,14 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
             StringJoiner joiner = new StringJoiner(",",
                     "SELECT GS.GROUP_NAME AS GROUP_NAME "
                             + "FROM AP_GROUP_SUBSCRIPTION GS "
-                            + "WHERE GS.GROUP_NAME IN (", ") AND TENANT_ID = ?");
+                            + "WHERE GS.GROUP_NAME IN (", ") AND AP_APP_RELEASE_ID = ? AND TENANT_ID = ?");
             groups.stream().map(ignored -> "?").forEach(joiner::add);
             String query = joiner.toString();
             try (PreparedStatement ps = conn.prepareStatement(query)) {
                 for (String groupName : groups) {
                     ps.setObject(index++, groupName);
                 }
+                ps.setInt(index++, appReleaseId);
                 ps.setInt(index, tenantId);
                 try (ResultSet rs = ps.executeQuery()) {
                     while (rs.next()) {
@@ -647,20 +641,22 @@ public class GenericSubscriptionDAOImpl extends AbstractDAOImpl implements Subsc
     }
 
     @Override
-    public List<Integer> getDeviceSubIdsForOperation(int operationId, int tenantId)
+    public List<Integer> getDeviceSubIdsForOperation(int operationId, int deviceId, int tenantId)
             throws ApplicationManagementDAOException {
         try {
             Connection conn = this.getDBConnection();
             List<Integer> deviceSubIds = new ArrayList<>();
-            String sql = "SELECT "
+            String sql = "SELECT AP_APP_SUB_OP_MAPPING.AP_DEVICE_SUBSCRIPTION_ID "
-                    + "AP_DEVICE_SUBSCRIPTION_ID "
+                    + "FROM "
-                    + "FROM AP_APP_SUB_OP_MAPPING "
+                    + "AP_APP_SUB_OP_MAPPING INNER JOIN AP_DEVICE_SUBSCRIPTION "
-                    + "WHERE "
+                    + "ON AP_APP_SUB_OP_MAPPING.AP_DEVICE_SUBSCRIPTION_ID = AP_DEVICE_SUBSCRIPTION.ID "
-                    + "OPERATION_ID = ? AND "
+                    + "WHERE AP_APP_SUB_OP_MAPPING.OPERATION_ID = ? AND "
-                    + "TENANT_ID = ?";
+                    + "AP_DEVICE_SUBSCRIPTION.DM_DEVICE_ID = ? AND "
+                    + "AP_APP_SUB_OP_MAPPING.TENANT_ID = ?";
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
                 stmt.setInt(1, operationId);
-                stmt.setInt(2, tenantId);
+                stmt.setInt(2, deviceId);
+                stmt.setInt(3, tenantId);
                 try (ResultSet rs = stmt.executeQuery()) {
                     while (rs.next()) {
                         deviceSubIds.add(rs.getInt("AP_DEVICE_SUBSCRIPTION_ID"));

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

@@ -159,58 +159,4 @@ public class SQLServerSubscriptionDAOImpl extends GenericSubscriptionDAOImpl {
             throw new ApplicationManagementDAOException(msg, e);
         }
     }
-
-    @Override
-    public List<Integer> addDeviceSubscription(String subscribedBy, List<Integer> deviceIds,
-            String subscribedFrom, String installStatus, int releaseId, int tenantId)
-            throws ApplicationManagementDAOException {
-        String sql = "INSERT INTO "
-                + "AP_DEVICE_SUBSCRIPTION("
-                + "SUBSCRIBED_BY, "
-                + "SUBSCRIBED_TIMESTAMP, "
-                + "ACTION_TRIGGERED_FROM, "
-                + "STATUS, "
-                + "DM_DEVICE_ID, "
-                + "AP_APP_RELEASE_ID,"
-                + "TENANT_ID) "
-                + "VALUES (?, ?, ?, ?, ?, ?, ?)";
-        try {
-            Connection conn = this.getDBConnection();
-            try (PreparedStatement stmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
-                Calendar calendar = Calendar.getInstance();
-                Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
-                List<Integer> deviceSubIds = new ArrayList<>();
-                for (Integer deviceId : deviceIds) {
-                    stmt.setString(1, subscribedBy);
-                    stmt.setTimestamp(2, timestamp);
-                    stmt.setString(3, subscribedFrom);
-                    stmt.setString(4, installStatus);
-                    stmt.setInt(5, deviceId);
-                    stmt.setInt(6, releaseId);
-                    stmt.setInt(7, tenantId);
-                    if (log.isDebugEnabled()) {
-                        log.debug("Adding a device subscription for device id " + deviceId + " and application "
-                                + "release which has release id" + releaseId);
-                    }
-                    stmt.executeUpdate();
-                    try (ResultSet rs = stmt.getGeneratedKeys()) {
-                        if (rs.next()) {
-                            deviceSubIds.add(rs.getInt(1));
-                        }
-                    }
-                }
-                return deviceSubIds;
-            }
-        } catch (DBConnectionException e) {
-            String msg = "Error occured while obtaining database connection to add device subscription for application "
-                    + "release which has release Id" + releaseId;
-            log.error(msg, e);
-            throw new ApplicationManagementDAOException(msg, e);
-        } catch (SQLException e) {
-            String msg = "Error occured when processing SQL to add device subscription for application release which"
-                    + " has release Id " + releaseId;
-            log.error(msg, e);
-            throw new ApplicationManagementDAOException(msg, e);
-        }
-    }
 }

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

@@ -3163,7 +3163,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
         try {
             ConnectionManagerUtil.beginDBTransaction();
-            List<Integer> deviceSubIds = subscriptionDAO.getDeviceSubIdsForOperation(operationId, tenantId);
+            List<Integer> deviceSubIds = subscriptionDAO.getDeviceSubIdsForOperation(operationId, deviceId, tenantId);
             if (deviceSubIds.isEmpty()){
                 ConnectionManagerUtil.rollbackDBTransaction();
                 String msg = "Couldn't find device subscription for operation id " + operationId;

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

@@ -38,6 +38,7 @@ import org.wso2.carbon.device.application.mgt.common.SubscriptionType;
 import org.wso2.carbon.device.application.mgt.common.SubscribingDeviceIdHolder;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationDTO;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationPolicyDTO;
+import org.wso2.carbon.device.application.mgt.common.dto.ApplicationReleaseDTO;
 import org.wso2.carbon.device.application.mgt.common.dto.DeviceSubscriptionDTO;
 import org.wso2.carbon.device.application.mgt.common.dto.ScheduledSubscriptionDTO;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
@@ -174,7 +175,8 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                 }
             }
 
-            if (!ApplicationType.WEB_CLIP.toString().equals(applicationDTO.getType())) {
+            if (!ApplicationType.WEB_CLIP.toString().equals(applicationDTO.getType()) && !SubscriptionType.DEVICE
+                    .toString().equals(subType)) {
                 DeviceType deviceType = APIUtil.getDeviceTypeData(applicationDTO.getDeviceTypeId());
                 deviceTypeName = deviceType.getName();
                 //filter devices by device type
@@ -316,6 +318,207 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         }
     }
 
+    @Override
+    public <T> void performEntAppSubscription(String applicationUUID, List<T> params, String subType, String action)
+            throws ApplicationManagementException {
+        if (log.isDebugEnabled()) {
+            log.debug("Google Ent app Install operation is received to application which has UUID "
+                    + applicationUUID + " to perform on " + params.size() + " params.");
+        }
+        try {
+            if (params.isEmpty()) {
+                String msg = "In order to subscribe/unsubscribe application release, you should provide list of "
+                        + "subscribers. But found an empty list of subscribers.";
+                log.error(msg);
+                throw new BadRequestException(msg);
+            }
+
+            ApplicationDTO applicationDTO = getApplicationDTO(applicationUUID);
+            ApplicationReleaseDTO applicationReleaseDTO = applicationDTO.getApplicationReleaseDTOs().get(0);
+            //todo need to check application release status if it is not in installable state send forbidden exception
+            int applicationReleaseId = applicationReleaseDTO.getId();
+            if (!ApplicationType.PUBLIC.toString().equals(applicationDTO.getType())) {
+                String msg = "Application type is not public. Hence you can't perform google ent.install operation on "
+                        + "this application. Application name " + applicationDTO.getName() + " Application Type "
+                        + applicationDTO.getType();
+                log.error(msg);
+                throw new BadRequestException(msg);
+            }
+
+            List<String> categories = getApplicationCategories(applicationDTO.getId());
+            if (!categories.contains("GooglePlaySyncedApp")) {
+                String msg = "This is not google play store synced application. Hence can't perform enteprise app "
+                        + "installation.";
+                log.error(msg);
+                throw new BadRequestException(msg);
+            }
+
+            DeviceManagementProviderService deviceManagementProviderService = HelperUtil
+                    .getDeviceManagementProviderService();
+
+            List<Device> devices = new ArrayList<>();
+            List<String> subscribers = new ArrayList<>();
+            List<Integer> appSubscribingDeviceIds;
+            List<Integer> appReSubscribingDeviceIds = new ArrayList<>();
+            List<DeviceIdentifier> deviceIdentifiers = new ArrayList<>();
+
+            //todo validate users, groups and roles
+            if (SubscriptionType.DEVICE.toString().equals(subType)) {
+                DeviceType deviceType = APIUtil.getDeviceTypeData(applicationDTO.getDeviceTypeId());
+                for (T param : params) {
+                    DeviceIdentifier deviceIdentifier = (DeviceIdentifier) param;
+                    if (StringUtils.isEmpty(deviceIdentifier.getId()) || StringUtils
+                            .isEmpty(deviceIdentifier.getType())) {
+                        log.warn("Found a device identifier which has either empty identity of the device or empty"
+                                + " device type. Hence ignoring the device identifier. ");
+                        continue;
+                    }
+                    if (!deviceType.getName().equals(deviceIdentifier.getType())) {
+                        log.warn("Found a device identifier which is not matched with the supported device type "
+                                + "of the application release which has UUID " + applicationUUID + " Application "
+                                + "supported device type is " + deviceType.getName() + " and the "
+                                + "identifier of which has a different device type is " + deviceIdentifier.getId());
+                        continue;
+                    }
+                    deviceIdentifiers.add(deviceIdentifier);
+                    devices.add(deviceManagementProviderService.getDevice(deviceIdentifier, false));
+                }
+            } else if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
+                for (T param : params) {
+                    String username = (String) param;
+                    subscribers.add(username);
+                    devices.addAll(deviceManagementProviderService.getDevicesOfUser(username));
+                }
+            } else if (SubscriptionType.ROLE.toString().equalsIgnoreCase(subType)) {
+                for (T param : params) {
+                    String roleName = (String) param;
+                    subscribers.add(roleName);
+                    devices.addAll(deviceManagementProviderService.getAllDevicesOfRole(roleName));
+                }
+            } else if (SubscriptionType.GROUP.toString().equalsIgnoreCase(subType)) {
+                GroupManagementProviderService groupManagementProviderService = HelperUtil
+                        .getGroupManagementProviderService();
+                for (T param : params) {
+                    String groupName = (String) param;
+                    subscribers.add(groupName);
+                    devices.addAll(groupManagementProviderService.getAllDevicesOfGroup(groupName));
+                }
+            } else {
+                String msg = "Found invalid subscription type " + subType+  " to install application release" ;
+                log.error(msg);
+                throw new BadRequestException(msg);
+            }
+
+            /*If subscription type is not device we need to crete device identifiers object list by referring retrieved
+            list of devices.*/
+            if (!SubscriptionType.DEVICE.toString().equalsIgnoreCase(subType)) {
+                DeviceType deviceType = APIUtil.getDeviceTypeData(applicationDTO.getDeviceTypeId());
+                String deviceTypeName = deviceType.getName();
+                //filter devices by device type
+                devices.removeIf(device -> !deviceTypeName.equals(device.getType()));
+                devices.forEach(device -> {
+                    DeviceIdentifier deviceIdentifier = new DeviceIdentifier();
+                    deviceIdentifier.setId(device.getDeviceIdentifier());
+                    deviceIdentifier.setType(device.getType());
+                    deviceIdentifiers.add(deviceIdentifier);
+                });
+            }
+
+            //Installing the application
+            ApplicationPolicyDTO applicationPolicyDTO = new ApplicationPolicyDTO();
+            applicationPolicyDTO.setApplicationDTO(applicationDTO);
+            applicationPolicyDTO.setDeviceIdentifierList(deviceIdentifiers);
+            applicationPolicyDTO.setAction(action);
+            installEnrollmentApplications(applicationPolicyDTO);
+
+            appSubscribingDeviceIds = devices.stream().map(Device::getId).collect(Collectors.toList());
+            Map<Integer, DeviceSubscriptionDTO> deviceSubscriptions = getDeviceSubscriptions(appSubscribingDeviceIds,
+                    applicationReleaseId);
+            for (Map.Entry<Integer, DeviceSubscriptionDTO> deviceSubscription: deviceSubscriptions.entrySet()){
+                appReSubscribingDeviceIds.add(deviceSubscription.getKey());
+                appSubscribingDeviceIds.remove(deviceSubscription.getKey());
+            }
+
+            updateSubscriptionsForEntInstall(applicationReleaseId, appSubscribingDeviceIds, appReSubscribingDeviceIds,
+                    subscribers, subType, action);
+        } catch (DeviceManagementException e) {
+            String msg = "Error occurred while getting devices of given users or given roles.";
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } catch (GroupManagementException e) {
+            String msg = "Error occurred while getting devices of given groups";
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        }
+    }
+
+    /**
+     * This method is responsible to update subscription data for google enterprise install.
+     *
+     * @param applicationReleaseId Application release Id
+     * @param params subscribers. If subscription is performed via user, group or role, params is a list of
+     * {@link String}
+     * @param subType Subscription type. i.e USER, GROUP, ROLE or DEVICE
+     * @param action Performing action. (i.e INSTALL or UNINSTALL)
+     * @throws ApplicationManagementException if error occurred while getting or updating subscription data.
+     */
+    private void updateSubscriptionsForEntInstall(int applicationReleaseId, List<Integer> appSubscribingDeviceIds,
+            List<Integer> appReSubscribingDeviceIds, List<String> params, String subType, String action)
+            throws ApplicationManagementException {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
+        String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
+        try {
+            ConnectionManagerUtil.beginDBTransaction();
+            List<String> subscribedEntities = new ArrayList<>();
+            if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
+                subscribedEntities = subscriptionDAO.getAppSubscribedUserNames(params, applicationReleaseId, tenantId);
+            } else if (SubscriptionType.ROLE.toString().equalsIgnoreCase(subType)) {
+                subscribedEntities = subscriptionDAO.getAppSubscribedRoleNames(params, applicationReleaseId, tenantId);
+            } else if (SubscriptionType.GROUP.toString().equalsIgnoreCase(subType)) {
+                subscribedEntities = subscriptionDAO.getAppSubscribedGroupNames(params, applicationReleaseId, tenantId);
+            }
+
+            params.removeAll(subscribedEntities);
+            if (!params.isEmpty()) {
+                subscriptionDAO.addUserSubscriptions(tenantId, username, params, applicationReleaseId);
+            }
+            if (!subscribedEntities.isEmpty()) {
+                subscriptionDAO
+                        .updateSubscriptions(tenantId, username, subscribedEntities, applicationReleaseId, subType,
+                                action);
+            }
+
+            if (SubAction.INSTALL.toString().equalsIgnoreCase(action) && !appSubscribingDeviceIds.isEmpty()) {
+                subscriptionDAO.addDeviceSubscription(username, appSubscribingDeviceIds, subType,
+                        Operation.Status.COMPLETED.toString(), applicationReleaseId, tenantId);
+            }
+            if (!appReSubscribingDeviceIds.isEmpty()) {
+                subscriptionDAO.updateDeviceSubscription(username, appReSubscribingDeviceIds, action, subType,
+                        Operation.Status.COMPLETED.toString(), applicationReleaseId, tenantId);
+            }
+            ConnectionManagerUtil.commitDBTransaction();
+        } catch (ApplicationManagementDAOException e) {
+            ConnectionManagerUtil.rollbackDBTransaction();
+            String msg =
+                    "Error occurred when adding subscription data for application release ID: " + applicationReleaseId;
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } catch (DBConnectionException e) {
+            String msg = "Error occurred when getting database connection to add new device subscriptions to application.";
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } catch (TransactionManagementException e) {
+            String msg = "SQL Error occurred when adding new device subscription to application release which has ID: "
+                    + applicationReleaseId;
+            log.error(msg, e);
+            throw new ApplicationManagementException(msg, e);
+        } finally {
+            ConnectionManagerUtil.closeDBConnection();
+        }
+    }
+
+
+
     /**
      * THis method is responsible to validate application install or uninstall request.
      *
@@ -327,8 +530,8 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
      */
     private <T> void validateRequest(List<T> params, String subType, String action) throws BadRequestException {
         if (params.isEmpty()) {
-            String msg = "In order to install application release, you should provide list of subscribers. "
+            String msg = "In order to subscribe/unsubscribe application release, you should provide list of "
-                    + "But found an empty list of users.";
+                    + "subscribers. But found an empty list of subscribers.";
             log.error(msg);
             throw new BadRequestException(msg);
         }
@@ -375,10 +578,11 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
             deviceIdentifiers.addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppInstallableDevices().keySet()));
             deviceIdentifiers.addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppReInstallableDevices().keySet()));
-            ignoredDeviceIdentifiers
+            deviceIdentifiers.addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppInstalledDevices().keySet()));
-                    .addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppInstalledDevices().keySet()));
         } else if (SubAction.UNINSTALL.toString().equalsIgnoreCase(action)) {
             deviceIdentifiers.addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppInstalledDevices().keySet()));
+            deviceIdentifiers
+                    .addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppReUnInstallableDevices().keySet()));
             ignoredDeviceIdentifiers
                     .addAll(new ArrayList<>(subscribingDeviceIdHolder.getAppInstallableDevices().keySet()));
         }
@@ -408,18 +612,6 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                         entry.getKey(), action);
                 activityList.add(activity);
             }
-        } else if (applicationDTO.getType().equals(ApplicationType.PUBLIC.toString())) {
-            List<String> categories = getApplicationCategories(applicationDTO.getId());
-            if (categories.contains("GooglePlaySyncedApp")) {
-                ApplicationPolicyDTO applicationPolicyDTO = new ApplicationPolicyDTO();
-                applicationPolicyDTO.setApplicationDTO(applicationDTO);
-                applicationPolicyDTO.setDeviceIdentifierList(deviceIdentifiers);
-                applicationPolicyDTO.setAction(action);
-                installEnrollmentApplications(applicationPolicyDTO);
-            } else {
-                Activity activity = addAppOperationOnDevices(applicationDTO, deviceIdentifiers, deviceType, action);
-                activityList.add(activity);
-            }
         } else {
             Activity activity = addAppOperationOnDevices(applicationDTO, deviceIdentifiers, deviceType, action);
             activityList.add(activity);
@@ -445,10 +637,13 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
      */
     private SubscribingDeviceIdHolder getSubscribingDeviceIdHolder(List<Device> devices, int appReleaseId)
             throws ApplicationManagementException {
-        Map<DeviceIdentifier, Integer> appInstalledDevices = new HashMap<>();
+
-        Map<DeviceIdentifier, Integer> appInstallableDevices = new HashMap<>();
+        SubscribingDeviceIdHolder subscribingDeviceIdHolder = new SubscribingDeviceIdHolder();
-        Map<DeviceIdentifier, Integer> appReInstallableDevices = new HashMap<>();
+        subscribingDeviceIdHolder.setAppInstallableDevices(new HashMap<>());
-        Map<DeviceIdentifier, Integer> skippedDevices = new HashMap<>();
+        subscribingDeviceIdHolder.setAppInstalledDevices(new HashMap<>());
+        subscribingDeviceIdHolder.setAppReInstallableDevices(new HashMap<>());
+        subscribingDeviceIdHolder.setAppReUnInstallableDevices(new HashMap<>());
+        subscribingDeviceIdHolder.setSkippedDevices(new HashMap<>());
 
         List<Integer> deviceIds = devices.stream().map(Device::getId).collect(Collectors.toList());
         //get device subscriptions for given device id list.
@@ -459,23 +654,20 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
             if (deviceSubscriptionDTO != null) {
                 if (!deviceSubscriptionDTO.isUnsubscribed() && Operation.Status.COMPLETED.toString()
                         .equals(deviceSubscriptionDTO.getStatus())) {
-                    appInstalledDevices.put(deviceIdentifier, device.getId());
+                    subscribingDeviceIdHolder.getAppInstalledDevices().put(deviceIdentifier, device.getId());
+                } else if (deviceSubscriptionDTO.isUnsubscribed() && !Operation.Status.COMPLETED.toString()
+                        .equals(deviceSubscriptionDTO.getStatus())) {
+                    subscribingDeviceIdHolder.getAppReUnInstallableDevices().put(deviceIdentifier, device.getId());
                 } else if (Operation.Status.PENDING.toString().equals(deviceSubscriptionDTO.getStatus())
                         || Operation.Status.IN_PROGRESS.toString().equals(deviceSubscriptionDTO.getStatus())) {
-                    skippedDevices.put(deviceIdentifier, device.getId());
+                    subscribingDeviceIdHolder.getSkippedDevices().put(deviceIdentifier, device.getId());
                 } else {
-                    appReInstallableDevices.put(deviceIdentifier, device.getId());
+                    subscribingDeviceIdHolder.getAppReInstallableDevices().put(deviceIdentifier, device.getId());
                 }
             } else {
-                appInstallableDevices.put(deviceIdentifier, device.getId());
+                subscribingDeviceIdHolder.getAppInstallableDevices().put(deviceIdentifier, device.getId());
             }
         }
-
-        SubscribingDeviceIdHolder subscribingDeviceIdHolder = new SubscribingDeviceIdHolder();
-        subscribingDeviceIdHolder.setAppInstallableDevices(appInstallableDevices);
-        subscribingDeviceIdHolder.setAppInstalledDevices(appInstalledDevices);
-        subscribingDeviceIdHolder.setAppReInstallableDevices(appReInstallableDevices);
-        subscribingDeviceIdHolder.setSkippedDevices(skippedDevices);
         return subscribingDeviceIdHolder;
     }
 
@@ -565,7 +757,8 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         try {
             ConnectionManagerUtil.beginDBTransaction();
             if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
-                List<String> subscribedEntities = subscriptionDAO.getSubscribedUserNames(params, tenantId);
+                List<String> subscribedEntities = subscriptionDAO
+                        .getAppSubscribedUserNames(params, applicationReleaseId, tenantId);
                 if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
                     params.removeAll(subscribedEntities);
                     subscriptionDAO.addUserSubscriptions(tenantId, username, params, applicationReleaseId);
@@ -573,7 +766,8 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                 subscriptionDAO.updateSubscriptions(tenantId, username, subscribedEntities, applicationReleaseId, subType,
                         action);
             } else if (SubscriptionType.ROLE.toString().equalsIgnoreCase(subType)) {
-                List<String> subscribedEntities = subscriptionDAO.getSubscribedRoleNames(params, tenantId);
+                List<String> subscribedEntities = subscriptionDAO
+                        .getAppSubscribedRoleNames(params, applicationReleaseId, tenantId);
                 if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
                     params.removeAll(subscribedEntities);
                     subscriptionDAO.addRoleSubscriptions(tenantId, username, params, applicationReleaseId);
@@ -581,7 +775,8 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                 subscriptionDAO.updateSubscriptions(tenantId, username, subscribedEntities, applicationReleaseId, subType,
                         action);
             } else if (SubscriptionType.GROUP.toString().equalsIgnoreCase(subType)) {
-                List<String> subscribedEntities = subscriptionDAO.getSubscribedGroupNames(params, tenantId);
+                List<String> subscribedEntities = subscriptionDAO
+                        .getAppSubscribedGroupNames(params, applicationReleaseId, tenantId);
                 if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
                     params.removeAll(subscribedEntities);
                     subscriptionDAO.addGroupSubscriptions(tenantId, username, params, applicationReleaseId);
@@ -594,33 +789,32 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                 int operationId = Integer.parseInt(activity.getActivityId().split("ACTIVITY_")[1]);
                 List<Integer> subUpdatingDeviceIds = new ArrayList<>();
                 List<Integer> subInsertingDeviceIds = new ArrayList<>();
-                List<Integer> deviceSubIds = new ArrayList<>();
 
                 if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
                     subUpdatingDeviceIds.addAll(getOperationAddedDeviceIds(activity,
                             subscribingDeviceIdHolder.getAppReInstallableDevices()));
+                    subUpdatingDeviceIds.addAll(getOperationAddedDeviceIds(activity,
+                            subscribingDeviceIdHolder.getAppInstalledDevices()));
                     subInsertingDeviceIds.addAll(getOperationAddedDeviceIds(activity,
                             subscribingDeviceIdHolder.getAppInstallableDevices()));
-
                 } else if (SubAction.UNINSTALL.toString().equalsIgnoreCase(action)) {
                     subUpdatingDeviceIds.addAll(getOperationAddedDeviceIds(activity,
                             subscribingDeviceIdHolder.getAppInstalledDevices()));
                 }
 
-                List<Integer> subscribingDevices = subscriptionDAO
+                subscriptionDAO.addDeviceSubscription(username, subInsertingDeviceIds, subType,
-                        .addDeviceSubscription(username, subInsertingDeviceIds, subType,
                                 Operation.Status.PENDING.toString(), applicationReleaseId, tenantId);
+                if (!subUpdatingDeviceIds.isEmpty()) {
                     subscriptionDAO.updateDeviceSubscription(username, subUpdatingDeviceIds, action, subType,
                             Operation.Status.PENDING.toString(), applicationReleaseId, tenantId);
-
-                if (!subUpdatingDeviceIds.isEmpty()) {
-                    deviceSubIds.addAll(subscriptionDAO
-                            .getDeviceSubIds(subUpdatingDeviceIds, applicationReleaseId, tenantId));
                 }
-                deviceSubIds.addAll(subscribingDevices);
+                subUpdatingDeviceIds.addAll(subInsertingDeviceIds);
-
+                if (!subUpdatingDeviceIds.isEmpty()) {
+                    List<Integer> deviceSubIds = new ArrayList<>(
+                            subscriptionDAO.getDeviceSubIds(subUpdatingDeviceIds, applicationReleaseId, tenantId));
                     subscriptionDAO.addOperationMapping(operationId, deviceSubIds, tenantId);
                 }
+            }
             ConnectionManagerUtil.commitDBTransaction();
         } catch (ApplicationManagementDAOException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
@@ -822,7 +1016,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
             String payload = gson.toJson(applicationPolicyDTO);
 
             StringRequestEntity requestEntity = new StringRequestEntity(payload, MediaType.APPLICATION_JSON
-                    , Constants.ApplicationInstall.ENCODING);;
+                    , Constants.ApplicationInstall.ENCODING);
             httpClient = new HttpClient();
             request = new PostMethod(requestUrl);
             request.addRequestHeader(Constants.ApplicationInstall.AUTHORIZATION
@@ -869,14 +1063,21 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
             List<DeviceSubscriptionDTO> deviceSubscriptionDTOS = subscriptionDAO
                     .getDeviceSubscriptions(applicationReleaseId, tenantId);
             if (deviceSubscriptionDTOS.isEmpty()) {
-                String msg = "Couldn't found an subscribed devices for application release id: "
+                PaginationResult paginationResult = new PaginationResult();
-                             + applicationReleaseId;
+                paginationResult.setData(new ArrayList<>());
-                log.info(msg);
+                paginationResult.setRecordsFiltered(0);
+                paginationResult.setRecordsTotal(0);
+                return paginationResult;
             }
             List<Integer> deviceIdList = new ArrayList<>();
-            for (DeviceSubscriptionDTO deviceIds : deviceSubscriptionDTOS) {
+            deviceSubscriptionDTOS.forEach(deviceSubscriptionDTO -> {
-                deviceIdList.add(deviceIds.getDeviceId());
+                if ((!deviceSubscriptionDTO.isUnsubscribed() && Operation.Status.COMPLETED.toString()
+                        .equalsIgnoreCase(deviceSubscriptionDTO.getStatus())) || (deviceSubscriptionDTO.isUnsubscribed()
+                        && !Operation.Status.COMPLETED.toString()
+                        .equalsIgnoreCase(deviceSubscriptionDTO.getStatus()))) {
+                    deviceIdList.add(deviceSubscriptionDTO.getDeviceId());
                 }
+            });
 
             if (deviceIdList.isEmpty()){
                 PaginationResult paginationResult = new PaginationResult();
@@ -919,7 +1120,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
     }
 
     @Override
-    public PaginationResult getAppInstalledCategories(int offsetValue, int limitValue, String appUUID, String subType)
+    public PaginationResult getAppInstalledSubscribers(int offsetValue, int limitValue, String appUUID, String subType)
             throws ApplicationManagementException {
 
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
@@ -988,18 +1189,14 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
             List<DeviceSubscriptionDTO> deviceSubscriptionDTOS = subscriptionDAO
                     .getDeviceSubscriptions(applicationReleaseId, tenantId);
             if (deviceSubscriptionDTOS.isEmpty()) {
-                String msg = "Couldn't found an subscribed devices for application release id: " + applicationReleaseId;
-                log.info(msg);
-            }
-            List<Integer> deviceIdList = deviceSubscriptionDTOS.stream().map(DeviceSubscriptionDTO::getDeviceId)
-                    .collect(Collectors.toList());
-            if (deviceIdList.isEmpty()) {
                 PaginationResult paginationResult = new PaginationResult();
-                paginationResult.setData(deviceIdList);
+                paginationResult.setData(new ArrayList<>());
                 paginationResult.setRecordsFiltered(0);
                 paginationResult.setRecordsTotal(0);
                 return paginationResult;
             }
+            List<Integer> deviceIdList = deviceSubscriptionDTOS.stream().map(DeviceSubscriptionDTO::getDeviceId)
+                    .collect(Collectors.toList());
             try {
                 //pass the device id list to device manager service method
                 PaginationResult paginationResult = deviceManagementProviderService

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

@@ -954,7 +954,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
                     log.error(msg);
                     throw new BadRequestException(msg);
                 }
-                applicationArtifact.setInstallerName(installerFileName);
+                applicationArtifact.setInstallerName(installerFileName.replaceAll("\\s", ""));
                 applicationArtifact.setInstallerStream(installerStream);
             }
 

components/application-mgt/org.wso2.carbon.device.application.mgt.store.api/src/main/java/org/wso2/carbon/device/application/mgt/store/api/services/SubscriptionManagementAPI.java

@@ -185,6 +185,106 @@ public interface SubscriptionManagementAPI {
             @QueryParam("timestamp") String timestamp
     );
 
+    @POST
+    @Path("/{uuid}/devices/ent-app-install/{action}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_JSON)
+    @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "POST",
+            value = "Install an application for devices via google enterprise app installing service",
+            notes = "This will install an application to a given list of devices",
+            tags = "Subscription Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:subscription:install")
+                    })
+            }
+    )
+    @ApiResponses(
+            value = {
+
+            })
+    Response performEntAppSubscriptionOnDevices(
+            @ApiParam(
+                    name = "UUID",
+                    value = "The application UUID",
+                    required = true
+            )
+            @PathParam("uuid") String uuid,
+            @ApiParam(
+                    name = "action",
+                    value = "Performing action.",
+                    required = true
+            )
+            @PathParam("action") String action,
+            @ApiParam(
+                    name = "installationDetails",
+                    value = "The  list of device identifiers",
+                    required = true
+            )
+            @Valid List<DeviceIdentifier> deviceIdentifiers,
+            @ApiParam(
+                    name = "timestamp",
+                    value = "Timestamp of scheduled ent. install operation"
+            )
+            @QueryParam("timestamp") String timestamp
+    );
+
+    @POST
+    @Path("/{uuid}/{subType}/ent-app-install/{action}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_JSON)
+    @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "POST",
+            value = "Install an application for subscription type via google enterprise install.",
+            notes = "This will install an application to a given subscription type and this is bulk app installation.",
+            tags = "Subscription Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:subscription:install")
+                    })
+            }
+    )
+    @ApiResponses(
+            value = {
+
+            })
+    Response performBulkEntAppSubscription(
+            @ApiParam(
+                    name = "uuid",
+                    value = "The application release UUID",
+                    required = true
+            )
+            @PathParam("uuid") String uuid,
+            @ApiParam(
+                    name = "subType",
+                    value = "Subscription type of the app installing operation.",
+                    required = true
+            )
+            @PathParam("subType") String subType,
+            @ApiParam(
+                    name = "action",
+                    value = "Performing action.",
+                    required = true
+            )
+            @PathParam("action") String action,
+            @ApiParam(
+                    name = "subscribers",
+                    value = "Subscriber list of the application release.",
+                    required = true
+            )
+            @Valid List<String> subscribers,
+            @ApiParam(
+                    name = "timestamp",
+                    value = "Timestamp of scheduled ent app install operation"
+            )
+            @QueryParam("timestamp") String timestamp
+    );
+
     @GET
     @Path("/{uuid}/devices")
     @Produces(MediaType.APPLICATION_JSON)

components/application-mgt/org.wso2.carbon.device.application.mgt.store.api/src/main/java/org/wso2/carbon/device/application/mgt/store/api/services/admin/SubscriptionManagementAdminAPI.java

@@ -92,7 +92,7 @@ public interface SubscriptionManagementAdminAPI {
             tags = "Subscription Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:app:subscription:view")
+                            @ExtensionProperty(name = SCOPE, value = "perm:admin:app:subscription:view")
                     })
             }
     )

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

@@ -89,13 +89,13 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
             log.error(msg, e);
             return Response.status(Response.Status.NOT_FOUND).entity(msg).build();
         } catch (BadRequestException e) {
-            String msg = "Found invalid payload for installing application which has UUID: " + uuid
+            String msg = "Found invalid payload for installing application which has UUID: " + uuid + ". Hence verify "
-                    + ". Hence verify the payload";
+                    + "the payload";
             log.error(msg, e);
             return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
         } catch (ForbiddenException e) {
-            String msg = "Application release is not in the installable state. Hence you are not permitted to install "
+            String msg = "Application release is not in the installable state. Hence you are not permitted to perform "
-                    + "the application.";
+                    + "the action on the application.";
             log.error(msg, e);
             return Response.status(Response.Status.FORBIDDEN).entity(msg).build();
         } catch (ApplicationManagementException e) {
@@ -106,7 +106,6 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
         }
     }
 
-
     @Override
     @POST
     @Path("/{uuid}/{subType}/{action}")
@@ -132,8 +131,51 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
             log.error(msg, e);
             return Response.status(Response.Status.NOT_FOUND).entity(msg).build();
         } catch (BadRequestException e) {
-            String msg = "Found invalid payload for installing application which has UUID: " + uuid
+            String msg = "Found invalid payload for installing application which has UUID: " + uuid + ". Hence verify "
-                    + ". Hence verify the payload";
+                    + "the payload";
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
+        } catch (ForbiddenException e) {
+            String msg = "Application release is not in the installable state. Hence you are not permitted to perform "
+                    + "the action on the application.";
+            log.error(msg, e);
+            return Response.status(Response.Status.FORBIDDEN).entity(msg).build();
+        } catch (ApplicationManagementException e) {
+            String msg = "Error occurred while installing the application release which has UUID: " + uuid
+                    + " for user devices";
+            log.error(msg, e);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        }
+    }
+
+    @Override
+    @POST
+    @Path("/{uuid}/devices/ent-app-install/{action}")
+    public Response performEntAppSubscriptionOnDevices(
+            @PathParam("uuid") String uuid,
+            @PathParam("action") String action,
+            @Valid List<DeviceIdentifier> deviceIdentifiers,
+            @QueryParam("timestamp") String timestamp) {
+        try {
+            if (StringUtils.isEmpty(timestamp)) {
+                SubscriptionManager subscriptionManager = APIUtil.getSubscriptionManager();
+                subscriptionManager
+                        .performEntAppSubscription(uuid, deviceIdentifiers, SubscriptionType.DEVICE.toString(), action);
+                String msg = "Application release which has UUID " + uuid + " is installed to given valid device "
+                        + "identifiers.";
+                return Response.status(Response.Status.OK).entity(msg).build();
+            } else {
+                return scheduleApplicationOperationTask(uuid, deviceIdentifiers, SubscriptionType.DEVICE,
+                        SubAction.valueOf(SubAction.INSTALL.toString().toUpperCase()), timestamp);
+            }
+        } catch (NotFoundException e) {
+            String msg = "Couldn't found an application release for UUI: " + uuid + " to perform ent app installation "
+                    + "on subscriber's devices";
+            log.error(msg, e);
+            return Response.status(Response.Status.NOT_FOUND).entity(msg).build();
+        } catch (BadRequestException e) {
+            String msg = "Found invalid payload when performing ent app installation on application which has UUID: "
+                    + uuid + ". Hence verify the payload of the request.";
             log.error(msg, e);
             return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
         } catch (ForbiddenException e) {
@@ -142,8 +184,52 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
             log.error(msg, e);
             return Response.status(Response.Status.FORBIDDEN).entity(msg).build();
         } catch (ApplicationManagementException e) {
-            String msg = "Error occurred while installing the application release which has UUID: " + uuid
+            String msg =
-                    + " for user devices";
+                    "Error occurred while performing ent app installation on the application release which has UUID: "
+                            + uuid + " for devices";
+            log.error(msg, e);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        }
+    }
+
+    @Override
+    @POST
+    @Path("/{uuid}/{subType}/ent-app-install/{action}")
+    public Response performBulkEntAppSubscription(
+            @PathParam("uuid") String uuid,
+            @PathParam("subType") String subType,
+            @PathParam("action") String action,
+            @Valid List<String> subscribers,
+            @QueryParam("timestamp") String timestamp) {
+        try {
+            if (StringUtils.isEmpty(timestamp)) {
+                SubscriptionManager subscriptionManager = APIUtil.getSubscriptionManager();
+                subscriptionManager.performEntAppSubscription(uuid, subscribers, subType, action);
+                String msg = "Application release which has UUID " + uuid + " is installed to subscriber's valid device"
+                        + " identifiers.";
+                return Response.status(Response.Status.OK).entity(msg).build();
+            } else {
+                return scheduleApplicationOperationTask(uuid, subscribers,
+                        SubscriptionType.valueOf(subType.toUpperCase()),
+                        SubAction.valueOf(SubAction.INSTALL.toString().toUpperCase()), timestamp);
+            }
+        } catch (NotFoundException e) {
+            String msg = "Couldn't found an application release for UUID: " + uuid + ". Hence, verify the payload";
+            log.error(msg, e);
+            return Response.status(Response.Status.NOT_FOUND).entity(msg).build();
+        } catch (BadRequestException e) {
+            String msg = "Found invalid payload when performing ent app installation on application which has UUID: "
+                    + uuid + ". Hence verify the payload of the request.";
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
+        } catch (ForbiddenException e) {
+            String msg = "Application release is not in the installable state. Hence you are not permitted to install "
+                    + "the application.";
+            log.error(msg, e);
+            return Response.status(Response.Status.FORBIDDEN).entity(msg).build();
+        } catch (ApplicationManagementException e) {
+            String msg = "Error occurred while performing ent app installation on the application release which has "
+                    + "UUID: " + uuid + " for user devices";
             log.error(msg, e);
             return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
         }
@@ -183,24 +269,20 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
     @Consumes("application/json")
     @Produces("application/json")
     @Path("/{uuid}/devices")
-    public Response getAppInstalledDevices(@PathParam("uuid") String uuid,
+    public Response getAppInstalledDevices(
+            @PathParam("uuid") String uuid,
             @DefaultValue("0")
             @QueryParam("offset") int offset,
             @DefaultValue("5")
             @QueryParam("limit") int limit,
             @QueryParam("status") String status) {
-
         try {
             SubscriptionManager subscriptionManager = APIUtil.getSubscriptionManager();
-
             PaginationResult subscribedDeviceDetails = subscriptionManager
                     .getAppInstalledDevices(offset, limit, uuid, status);
-
             DeviceList devices = new DeviceList();
-
             devices.setList((List<Device>) subscribedDeviceDetails.getData());
             devices.setCount(subscribedDeviceDetails.getRecordsTotal());
-
             return Response.status(Response.Status.OK).entity(devices).build();
         } catch (NotFoundException e) {
             String msg = "Application with application release UUID: " + uuid + " is not found";
@@ -228,18 +310,18 @@ public class SubscriptionManagementAPIImpl implements SubscriptionManagementAPI{
     @Consumes("application/json")
     @Produces("application/json")
     @Path("/{uuid}/{subType}")
-    public Response getAppInstalledCategories(@PathParam("uuid") String uuid,
+    public Response getAppInstalledCategories(
+            @PathParam("uuid") String uuid,
             @PathParam("subType") String subType,
             @DefaultValue("0")
             @QueryParam("offset") int offset,
             @DefaultValue("5")
             @QueryParam("limit") int limit) {
-
         try {
             SubscriptionManager subscriptionManager = APIUtil.getSubscriptionManager();
 
             PaginationResult subscribedCategoryDetails = subscriptionManager
-                    .getAppInstalledCategories(offset, limit, uuid, subType);
+                    .getAppInstalledSubscribers(offset, limit, uuid, subType);
 
             if (SubscriptionType.USER.toString().equalsIgnoreCase(subType)) {
                 BasicUserInfoList users = new BasicUserInfoList();

components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/UserHandler.java

@@ -103,7 +103,8 @@ public class UserHandler extends HttpServlet {
                 }
                 ProxyResponse proxyResponse = new ProxyResponse();
                 proxyResponse.setCode(HttpStatus.SC_OK);
-                proxyResponse.setData(jTokenResultAsJsonObject.get("username").getAsString());
+                proxyResponse.setData(
+                        jTokenResultAsJsonObject.get("username").getAsString().replaceAll("@carbon.super", ""));
                 HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
             }
         } catch (IOException e) {