Fix the device information delete issue

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/api/admin/UserManagementAdminService.java

@@ -128,9 +128,12 @@ public interface UserManagementAdminService {
 
 
 
-    @Path("/{username}/devices")
     @DELETE
+    @Path("/{username}/devices")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_JSON)
     @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
             produces = MediaType.APPLICATION_JSON,
             httpMethod = HTTPConstants.HEADER_DELETE,
             value = "Delete a users associated devices.",
@@ -186,6 +189,8 @@ public interface UserManagementAdminService {
     //DELETE devices/type/virtual_firealarm/id/us06ww93auzp
     @DELETE
     @Path("/type/{device-type}/id/{device-id}")
+    @Produces(MediaType.APPLICATION_JSON)
+    @Consumes(MediaType.APPLICATION_JSON)
     @ApiOperation(
             produces = MediaType.APPLICATION_JSON,
             consumes = MediaType.APPLICATION_JSON,

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/privacy/dao/impl/PrivacyComplianceDAOImpl.java

@@ -19,6 +19,8 @@
 
 package org.wso2.carbon.device.mgt.core.privacy.dao.impl;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.core.dao.DeviceManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.dao.util.DeviceManagementDAOUtil;
 import org.wso2.carbon.device.mgt.core.privacy.dao.PrivacyComplianceDAO;
@@ -34,6 +36,8 @@ import java.util.List;
 
 public class PrivacyComplianceDAOImpl implements PrivacyComplianceDAO {
 
+    private static final Log log = LogFactory.getLog(PrivacyComplianceDAOImpl.class);
+
     @Override
     public List<DeviceEnrollmentMapping> getDevicesOfUser(String username, int tenantId) throws PrivacyComplianceDAOException {
 
@@ -43,16 +47,16 @@ public class PrivacyComplianceDAOImpl implements PrivacyComplianceDAO {
         List<DeviceEnrollmentMapping> deviceIds = new ArrayList<>();
         try {
             conn = this.getConnection();
-            String sql = "SELECT * FROM DM_ENROLMENT WHERE OWNER = ? AND TENANT_ID = ? ORDER BY DEVICE_ID";
+            String sql = "SELECT * FROM DM_ENROLMENT WHERE OWNER = ? AND TENANT_ID = ?";
             stmt = conn.prepareStatement(sql);
             stmt.setString(1, username);
             stmt.setInt(2, tenantId);
-            stmt.executeUpdate();
+            rs = stmt.executeQuery();
 
             while (rs.next()) {
                 DeviceEnrollmentMapping mapping = new DeviceEnrollmentMapping();
                 mapping.setDeviceId(rs.getInt("DEVICE_ID"));
-                mapping.setEnrolmentId(rs.getInt("ENROLMENT_ID"));
+                mapping.setEnrolmentId(rs.getInt("ID"));
                 deviceIds.add(mapping);
             }
             if (deviceIds.isEmpty()) {
@@ -102,7 +106,9 @@ public class PrivacyComplianceDAOImpl implements PrivacyComplianceDAO {
             stmt.executeUpdate();
 
         } catch (SQLException e) {
-            throw new PrivacyComplianceDAOException("Error occurred while deleting the device enrolments", e);
+            String msg = "Error occurred while deleting the device enrolments";
+            log.error(msg, e);
+            throw new PrivacyComplianceDAOException(msg, e);
         } finally {
             DeviceManagementDAOUtil.cleanupResources(stmt, null);
         }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/privacy/impl/PrivacyComplianceProviderImpl.java

@@ -58,6 +58,10 @@ public class PrivacyComplianceProviderImpl implements PrivacyComplianceProvider
             DeviceManagementDAOFactory.beginTransaction();
             int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
             List<DeviceEnrollmentMapping> enrollmentMappings = complianceDAO.getDevicesOfUser(username, tenantId);
+            if(enrollmentMappings == null || enrollmentMappings.isEmpty()){
+                log.info("No enrolments found with the user..!");
+                return;
+            }
             Map<Integer, List<Integer>> deviceMap = new HashMap<>();
             int x = -1;
             for (DeviceEnrollmentMapping m : enrollmentMappings) {
@@ -79,7 +83,7 @@ public class PrivacyComplianceProviderImpl implements PrivacyComplianceProvider
                     complianceDAO.deleteDeviceDetails(deviceId, enrolmentId);
                     complianceDAO.deleteDeviceProperties(deviceId, enrolmentId, tenantId);
                     complianceDAO.deleteDeviceLocation(deviceId, enrolmentId);
-                    complianceDAO.deleteDeviceEnrollments(deviceId, enrolmentId);
+                    complianceDAO.deleteDeviceEnrollments(deviceId, tenantId);
                 }
                 complianceDAO.deleteDevice(deviceId, tenantId);
             }
@@ -116,6 +120,8 @@ public class PrivacyComplianceProviderImpl implements PrivacyComplianceProvider
             complianceDAO.deleteDeviceDetails(device.getId(), device.getEnrolmentInfo().getId());
             complianceDAO.deleteDeviceProperties(device.getId(), device.getEnrolmentInfo().getId(), tenantId);
             complianceDAO.deleteDeviceLocation(device.getId(), device.getEnrolmentInfo().getId());
+            complianceDAO.deleteDeviceEnrollments(device.getId(), tenantId);
+            complianceDAO.deleteDevice(device.getId(), tenantId);
             DeviceManagementDAOFactory.commitTransaction();
         } catch (TransactionManagementException e) {
             DeviceManagementDAOFactory.rollbackTransaction();