Add support for application category list adding for an application.

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

@@ -0,0 +1,32 @@
+/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.wso2.carbon.device.application.mgt.common;
+
+public class LifecycleChanger {
+
+    private String action;
+    private String reason;
+
+    public String getAction() { return action; }
+
+    public void setAction(String action) { this.action = action; }
+
+    public String getReason() { return reason; }
+
+    public void setReason(String reason) { this.reason = reason; }
+}

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

@@ -49,6 +49,10 @@ public class LifecycleState {
             value = "Timestamp of the lifecycle has been updated")
     private Timestamp updatedAt;
 
+    @ApiModelProperty(name = "resonForChange",
+            value = "Reason for the application release lifecycle change from previous state to current state.")
+    private String resonForChange;
+
     public String getCurrentState() {
         return currentState;
     }
@@ -88,4 +92,8 @@ public class LifecycleState {
     public void setNextStates(List<String> nextStates) {
         this.nextStates = nextStates;
     }
+
+    public String getResonForChange() { return resonForChange; }
+
+    public void setResonForChange(String resonForChange) { this.resonForChange = resonForChange; }
 }

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

@@ -41,11 +41,11 @@ public class ApplicationDTO {
             required = true)
     private String description;
 
-    @ApiModelProperty(name = "appCategory",
+    @ApiModelProperty(name = "appCategories",
             value = "Category of the application",
             required = true,
             example = "Educational, Gaming, Travel, Entertainment etc")
-    private String appCategory;
+    private List<String> appCategories;
 
     @ApiModelProperty(name = "type",
             value = "Type of the application",
@@ -108,13 +108,11 @@ public class ApplicationDTO {
 
     public void setName(String name) { this.name = name; }
 
-    public String getAppCategory() {
-        return appCategory;
+    public List<String> getAppCategories() {
+        return appCategories;
     }
 
-    public void setAppCategory(String appCategory) {
-        this.appCategory = appCategory;
-    }
+    public void setAppCategories(List<String> appCategories) { this.appCategories = appCategories; }
 
     public List<String> getTags() { return tags; }
 

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

@@ -35,11 +35,11 @@ public class Application {
             required = true)
     private String description;
 
-    @ApiModelProperty(name = "appCategory",
+    @ApiModelProperty(name = "appCategories",
             value = "CategoryDTO of the application",
             required = true,
             example = "Educational, Gaming, Travel, Entertainment etc")
-    private String appCategory;
+    private List<String> appCategories;
 
     @ApiModelProperty(name = "type",
             value = "Type of the application",
@@ -88,12 +88,12 @@ public class Application {
 
     public void setName(String name) { this.name = name; }
 
-    public String getAppCategory() {
-        return appCategory;
+    public List<String> getAppCategories() {
+        return appCategories;
     }
 
-    public void setAppCategory(String appCategory) {
-        this.appCategory = appCategory;
+    public void setAppCategories(List<String> appCategories) {
+        this.appCategories = appCategories;
     }
 
     public List<String> getTags() { return tags; }

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

@@ -20,6 +20,7 @@ package org.wso2.carbon.device.application.mgt.common.services;
 
 import org.apache.cxf.jaxrs.ext.multipart.Attachment;
 import org.wso2.carbon.device.application.mgt.common.ApplicationArtifact;
+import org.wso2.carbon.device.application.mgt.common.LifecycleChanger;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationDTO;
 import org.wso2.carbon.device.application.mgt.common.ApplicationList;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationReleaseDTO;
@@ -147,10 +148,11 @@ public interface ApplicationManager {
      * To get all the releases of a particular ApplicationDTO.
      *
      * @param releaseUuid UUID of the ApplicationDTO Release.
-     * @param stateName Lifecycle state to change the app
+     * @param lifecycleChanger Lifecycle changer that contains the action and the reson for the change.
      * @throws ApplicationManagementException ApplicationDTO Management Exception.
      */
-    void changeLifecycleState(String releaseUuid, String stateName) throws ApplicationManagementException;
+    void changeLifecycleState(String releaseUuid, LifecycleChanger lifecycleChanger)
+            throws ApplicationManagementException;
 
     /**
      * To update release images such as icons, banner and screenshots.

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

@@ -35,11 +35,11 @@ public class ApplicationWrapper {
             required = true)
     private String description;
 
-    @ApiModelProperty(name = "appCategory",
+    @ApiModelProperty(name = "appCategories",
             value = "CategoryDTO of the application",
             required = true,
             example = "Educational, Gaming, Travel, Entertainment etc")
-    private String appCategory;
+    private List<String> appCategories;
 
     @ApiModelProperty(name = "type",
             value = "Type of the application",
@@ -85,12 +85,10 @@ public class ApplicationWrapper {
 
     public void setName(String name) { this.name = name; }
 
-    public String getAppCategory() {
-        return appCategory;
-    }
+    public List<String> getAppCategories() { return appCategories; }
 
-    public void setAppCategory(String appCategory) {
-        this.appCategory = appCategory;
+    public void setAppCategories(List<String> appCategories) {
+        this.appCategories = appCategories;
     }
 
     public List<String> getTags() { return tags; }

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

@@ -1478,7 +1478,7 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
                 application.setId(rs.getInt("APP_ID"));
                 application.setName(rs.getString("APP_NAME"));
                 application.setType(rs.getString("APP_TYPE"));
-                application.setAppCategory(rs.getString("APP_CATEGORY"));
+//                application.setAppCategories(rs.getString("APP_CATEGORY"));
                 application.setSubType(rs.getString("SUB_TYPE"));
                 application.setPaymentCurrency(rs.getString("CURRENCY"));
 //                application.setIsRestricted(rs.getBoolean("RESTRICTED"));

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

@@ -174,9 +174,10 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
                     + "TENANT_ID, "
                     + "UPDATED_BY, "
                     + "UPDATED_AT, "
+                    + "REASON, "
                     + "AP_APP_RELEASE_ID, "
                     + "AP_APP_ID) "
-                    + "VALUES (?, ?, ?, ?, ?, ?, (SELECT AP_APP_ID FROM AP_APP_RELEASE WHERE ID = ?));";
+                    + "VALUES (?, ?, ?, ?, ?, ?, ?, (SELECT AP_APP_ID FROM AP_APP_RELEASE WHERE ID = ?));";
 
             Calendar calendar = Calendar.getInstance();
             Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
@@ -187,8 +188,9 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
             stmt.setInt(3, tenantId);
             stmt.setString(4, state.getUpdatedBy());
             stmt.setTimestamp(5, timestamp);
-            stmt.setInt(6, appReleaseId);
+            stmt.setString(6, state.getResonForChange());
             stmt.setInt(7, appReleaseId);
+            stmt.setInt(8, appReleaseId);
             stmt.executeUpdate();
         } catch (DBConnectionException e) {
             log.error("Error occurred while obtaining the DB connection.", e);

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

@@ -29,6 +29,7 @@ import org.wso2.carbon.context.CarbonContext;
 import org.wso2.carbon.context.PrivilegedCarbonContext;
 import org.wso2.carbon.device.application.mgt.common.ApplicationArtifact;
 import org.wso2.carbon.device.application.mgt.common.ApplicationInstaller;
+import org.wso2.carbon.device.application.mgt.common.LifecycleChanger;
 import org.wso2.carbon.device.application.mgt.common.Pagination;
 import org.wso2.carbon.device.application.mgt.common.config.RatingConfiguration;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationDTO;
@@ -84,6 +85,7 @@ import org.wso2.carbon.user.api.UserRealm;
 import org.wso2.carbon.user.api.UserStoreException;
 import org.wso2.carbon.utils.multitenancy.MultitenantUtils;
 
+import javax.ws.rs.core.Response;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -96,7 +98,6 @@ import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.Queue;
 import java.util.Set;
 import java.util.UUID;
@@ -149,7 +150,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
 
         ApplicationDTO applicationDTO;
         List<String> unrestrictedRoles;
-        Optional<CategoryDTO> category;
+        List<Integer> categoryIds = new ArrayList<>();
         List<String> tags;
 
         //validating and verifying application data
@@ -189,7 +190,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
             }
 
             List<CategoryDTO> registeredCategories = this.applicationDAO.getAllCategories(tenantId);
-            String categoryName = applicationWrapper.getAppCategory();
+            List<String> appCategories = applicationWrapper.getAppCategories();
 
             if (registeredCategories.isEmpty()) {
                 ConnectionManagerUtil.rollbackDBTransaction();
@@ -198,13 +199,21 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 log.error(msg);
                 throw new ApplicationManagementException(msg);
             }
-            category = registeredCategories.stream().filter(obj -> obj.getCategoryName().equals(categoryName))
-                    .findAny();
-            if (!category.isPresent()) {
-                ConnectionManagerUtil.rollbackDBTransaction();
-                String msg = "Request contains invalid category: " + categoryName;
-                log.error(msg);
-                throw new ApplicationManagementException(msg);
+            for (String cat : appCategories) {
+                boolean isValidCategory = false;
+                for (CategoryDTO obj : registeredCategories) {
+                    if (cat.equals(obj.getCategoryName())) {
+                        categoryIds.add(obj.getId());
+                        isValidCategory = true;
+                        break;
+                    }
+                }
+                if (!isValidCategory) {
+                    String msg = "Application Creating request contains invalid categories. Hence please verify the "
+                            + "application creating payload.";
+                    log.error(msg);
+                    throw new BadRequestException(msg);
+                }
             }
         } catch (DBConnectionException e) {
             String msg = "Error occurred while getting database connection.";
@@ -260,6 +269,9 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 if (log.isDebugEnabled()) {
                     log.debug("New ApplicationDTO entry added to AP_APP table. App Id:" + appId);
                 }
+                //add application categories
+                this.applicationDAO.addCategoryMapping(categoryIds, appId, tenantId);
+
                 //adding application unrestricted roles
                 if (unrestrictedRoles != null && !unrestrictedRoles.isEmpty()) {
                     this.visibilityDAO.addUnrestrictedRoles(unrestrictedRoles, appId, tenantId);
@@ -269,15 +281,6 @@ public class ApplicationManagerImpl implements ApplicationManager {
                     }
                 }
 
-                /*
-                In current flow, allow to add one category for an application. If it is required to add multiple
-                categories DAO layer is implemented to match with that requirement. Hence logic is also implemented
-                this way.
-                */
-                List<Integer> categoryIds = new ArrayList<>();
-                categoryIds.add(category.get().getId());
-                this.applicationDAO.addCategoryMapping(categoryIds, appId, tenantId);
-
                 //adding application tags
                 if (tags != null && !tags.isEmpty()) {
                     List<TagDTO> registeredTags = applicationDAO.getAllTags(tenantId);
@@ -623,6 +626,11 @@ public class ApplicationManagerImpl implements ApplicationManager {
 
     @Override
     public ApplicationList getApplications(Filter filter) throws ApplicationManagementException {
+        if (filter == null) {
+            String msg = "Request Payload is null";
+            log.error(msg);
+            throw new BadRequestException(msg);
+        }
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String userName = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
         ApplicationList applicationList = new ApplicationList();
@@ -631,24 +639,23 @@ public class ApplicationManagerImpl implements ApplicationManager {
         List<ApplicationDTO> filteredApplications = new ArrayList<>();
         DeviceType deviceType = null;
 
-        try {
-            //set default values
-            if (filter.getLimit() == 0) {
-                filter.setLimit(20);
-            }
-            String deviceTypename = filter.getDeviceType();
-            if (!StringUtils.isEmpty(deviceTypename)) {
-                deviceType = getDeviceTypeData(deviceTypename);
-            }
-            if (deviceType == null) {
-                deviceType = new DeviceType();
-                deviceType.setId(-1);
-            }
+        //set default values
+        if (!StringUtils.isEmpty(filter.getDeviceType())) {
+            deviceType = getDeviceTypeData(filter.getDeviceType());
+        }
+        if (filter.getLimit() == 0) {
+            filter.setLimit(20);
+        }
+
+        if (deviceType == null) {
+            deviceType = new DeviceType();
+            deviceType.setId(-1);
+        }
 
+        try {
             ConnectionManagerUtil.openDBConnection();
             validateFilter(filter);
             appDTOs = applicationDAO.getApplications(filter, deviceType.getId(), tenantId);
-            //todo as a performance improvement get these data from DB. Consider where in clause.
             for (ApplicationDTO applicationDTO : appDTOs) {
                 boolean isSearchingApp = true;
                 List<String> filteringTags = filter.getTags();
@@ -656,14 +663,18 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 List<String> filteringUnrestrictedRoles = filter.getUnrestrictedRoles();
 
                 if (!lifecycleStateManager.getEndState().equals(applicationDTO.getStatus())) {
-                    List<String> appUnrestrictedRoles = visibilityDAO.getUnrestrictedRoles(applicationDTO.getId(), tenantId);
+                    List<String> appUnrestrictedRoles = visibilityDAO
+                            .getUnrestrictedRoles(applicationDTO.getId(), tenantId);
+                    applicationDTO.setUnrestrictedRoles(appUnrestrictedRoles);
                     if ((appUnrestrictedRoles.isEmpty() || hasUserRole(appUnrestrictedRoles, userName)) && (
                             filteringUnrestrictedRoles == null || filteringUnrestrictedRoles.isEmpty()
                                     || hasAppUnrestrictedRole(appUnrestrictedRoles, filteringUnrestrictedRoles,
                                     userName))) {
                         if (filteringCategories != null && !filteringCategories.isEmpty()) {
-                            List<String> appTagList = applicationDAO.getAppCategories(applicationDTO.getId(), tenantId);
-                            boolean isAppCategory = filteringCategories.stream().anyMatch(appTagList::contains);
+                            List<String> appCategoryList = applicationDAO
+                                    .getAppCategories(applicationDTO.getId(), tenantId);
+                            applicationDTO.setAppCategories(appCategoryList);
+                            boolean isAppCategory = filteringCategories.stream().anyMatch(appCategoryList::contains);
                             if (!isAppCategory) {
                                 isSearchingApp = false;
                             }
@@ -699,9 +710,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
             applicationList.getPagination().setSize(filter.getOffset());
             applicationList.getPagination().setCount(applicationList.getApplications().size());
             return applicationList;
-        }  catch (UnexpectedServerErrorException e){
-            throw new ApplicationManagementException(e.getMessage(), e);
-        }catch (UserStoreException e) {
+        }  catch (UserStoreException e) {
             throw new ApplicationManagementException(
                     "User-store exception while checking whether the user " + userName + " of tenant " + tenantId
                             + " has the publisher permission", e);
@@ -843,9 +852,8 @@ public class ApplicationManagerImpl implements ApplicationManager {
             List<String> tags = this.applicationDAO.getAppTags(appId, tenantId);
             List<String> categories = this.applicationDAO.getAppCategories(appId, tenantId);
             applicationDTO.setTags(tags);
-            //todo when support to add multiple categories this has to be changed
             if (!categories.isEmpty()){
-                applicationDTO.setAppCategory(categories.get(0));
+                applicationDTO.setAppCategories(categories);
             }
             if (isAdminUser(userName, tenantId, CarbonConstants.UI_ADMIN_PERMISSION_COLLECTION)) {
                 return appDtoToAppResponse(applicationDTO);
@@ -1595,10 +1603,17 @@ public class ApplicationManagerImpl implements ApplicationManager {
     }
 
     @Override
-    public void changeLifecycleState(String releaseUuid, String stateName)
+    public void changeLifecycleState(String releaseUuid, LifecycleChanger lifecycleChanger)
             throws ApplicationManagementException {
+
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String userName = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
+        if (lifecycleChanger == null || StringUtils.isEmpty(lifecycleChanger.getAction())) {
+            String msg = "The Action is null or empty. Please verify the request.";
+            log.error(msg);
+            throw new BadRequestException(msg);
+        }
+
         try {
             ConnectionManagerUtil.beginDBTransaction();
             ApplicationReleaseDTO applicationReleaseDTO = this.applicationReleaseDAO
@@ -1609,23 +1624,24 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 log.error(msg);
                 throw new NotFoundException(msg);
             }
-
             if (lifecycleStateManager
-                    .isValidStateChange(applicationReleaseDTO.getCurrentState(), stateName, userName, tenantId)) {
-                if (lifecycleStateManager.isInstallableState(stateName) && applicationReleaseDAO
+                    .isValidStateChange(applicationReleaseDTO.getCurrentState(), lifecycleChanger.getAction(), userName,
+                            tenantId)) {
+                if (lifecycleStateManager.isInstallableState(lifecycleChanger.getAction()) && applicationReleaseDAO
                         .hasExistInstallableAppRelease(applicationReleaseDTO.getUuid(),
                                 lifecycleStateManager.getInstallableState(), tenantId)) {
                     String msg = "Installable application release is already registered for the application. "
                             + "Therefore it is not permitted to change the lifecycle state from "
-                            + applicationReleaseDTO.getCurrentState() + " to " + stateName;
+                            + applicationReleaseDTO.getCurrentState() + " to " + lifecycleChanger.getAction();
                     log.error(msg);
                     throw new ForbiddenException(msg);
                 }
                 LifecycleState lifecycleState = new LifecycleState();
-                lifecycleState.setCurrentState(stateName);
+                lifecycleState.setCurrentState(lifecycleChanger.getAction());
                 lifecycleState.setPreviousState(applicationReleaseDTO.getCurrentState());
                 lifecycleState.setUpdatedBy(userName);
-                applicationReleaseDTO.setCurrentState(stateName);
+                lifecycleState.setResonForChange(lifecycleChanger.getReason());
+                applicationReleaseDTO.setCurrentState(lifecycleChanger.getAction());
                 if (this.applicationReleaseDAO.updateRelease(applicationReleaseDTO, tenantId) == null) {
                     String msg = "Application release updating is failed/.";
                     log.error(msg);
@@ -1635,7 +1651,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
                 ConnectionManagerUtil.commitDBTransaction();
             } else {
                 String msg = "Invalid lifecycle state transition from '" + applicationReleaseDTO.getCurrentState() + "'"
-                        + " to '" + stateName + "'";
+                        + " to '" + lifecycleChanger.getAction() + "'";
                 log.error(msg);
                 throw new ApplicationManagementException(msg);
             }
@@ -2347,7 +2363,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
             log.error(msg);
             throw new RequestValidatingException(msg);
         }
-        if (StringUtils.isEmpty(applicationWrapper.getAppCategory())) {
+        if (applicationWrapper.getAppCategories().isEmpty()) {
             String msg = "Application category can't be empty.";
             log.error(msg);
             throw new RequestValidatingException(msg);
@@ -2459,7 +2475,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
         ApplicationDTO applicationDTO = new ApplicationDTO();
         applicationDTO.setName(applicationWrapper.getName());
         applicationDTO.setDescription(applicationWrapper.getDescription());
-        applicationDTO.setAppCategory(applicationWrapper.getAppCategory());
+        applicationDTO.setAppCategories(applicationWrapper.getAppCategories());
         applicationDTO.setType(applicationWrapper.getType());
         applicationDTO.setSubType(applicationWrapper.getSubType());
         applicationDTO.setPaymentCurrency(applicationWrapper.getPaymentCurrency());
@@ -2492,7 +2508,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
         application.setId(applicationDTO.getId());
         application.setName(applicationDTO.getName());
         application.setDescription(applicationDTO.getDescription());
-        application.setAppCategory(applicationDTO.getAppCategory());
+        application.setAppCategories(applicationDTO.getAppCategories());
         application.setType(applicationDTO.getType());
         application.setSubType(applicationDTO.getSubType());
         application.setPaymentCurrency(applicationDTO.getPaymentCurrency());

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/test/java/org.wso2.carbon.device.application.mgt.core/dto/ApplicationsDTO.java

@@ -2,12 +2,17 @@ package org.wso2.carbon.device.application.mgt.core.dto;
 
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationDTO;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class ApplicationsDTO {
 
     public static ApplicationDTO getApp1() {
         ApplicationDTO app = new ApplicationDTO();
+        List<String> categories = new ArrayList<>();
 
-        app.setAppCategory("Test Category");
+        categories.add("Test Category");
+        app.setAppCategories(categories);
         app.setDescription("Test app Description");
         app.setDeviceTypeId(1);
         app.setName("First Test App");

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/test/java/org.wso2.carbon.device.application.mgt.core/management/ApplicationManagementTest.java

@@ -52,7 +52,10 @@ public class ApplicationManagementTest extends BaseTestCase {
 
         ApplicationWrapper applicationWrapper = new ApplicationWrapper();
 
-        applicationWrapper.setAppCategory("Test Category");
+        List<String> categories = new ArrayList<>();
+        categories.add("Test Category");
+        applicationWrapper.setAppCategories(categories);
+
         applicationWrapper.setDescription("Test Description");
         applicationWrapper.setDeviceType("android");
         applicationWrapper.setName("Test Application");

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

@@ -35,6 +35,7 @@ import org.wso2.carbon.apimgt.annotations.api.Scopes;
 import org.wso2.carbon.device.application.mgt.common.ApplicationList;
 import org.wso2.carbon.device.application.mgt.common.ErrorResponse;
 import org.wso2.carbon.device.application.mgt.common.Filter;
+import org.wso2.carbon.device.application.mgt.common.LifecycleChanger;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationDTO;
 import org.wso2.carbon.device.application.mgt.common.dto.ApplicationReleaseDTO;
 import org.wso2.carbon.device.application.mgt.common.response.ApplicationRelease;
@@ -729,6 +730,10 @@ public interface ApplicationManagementPublisherAPI {
                             code = 400,
                             message = "Bad Request. \n " +
                                     "Lifecycle State changing request contains unacceptable or vulnerable data"),
+                    @ApiResponse(
+                            code = 403,
+                            message = "Don't have permission to move the lifecycle state of a given application release"
+                                    + " to the given lifecycle state."),
                     @ApiResponse(
                             code = 404,
                             message = "NOT FOUND. \n Error occurred while adding new lifecycle state.",
@@ -745,10 +750,10 @@ public interface ApplicationManagementPublisherAPI {
                     required = true)
             @PathParam("uuid") String applicationUuid,
             @ApiParam(
-                    name = "action",
-                    value = "Changing lifecycle state",
+                    name = "LifecycleChanger",
+                    value = "Lifecycle Changer which contains the action and the reason for the lifecycle change.",
                     required = true)
-            @QueryParam("action") String action
+            LifecycleChanger lifecycleChanger
     );
 
     @GET

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

@@ -35,6 +35,7 @@ import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationUpdateWr
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationWrapper;
 import org.wso2.carbon.device.application.mgt.core.exception.BadRequestException;
 import org.wso2.carbon.device.application.mgt.core.exception.ForbiddenException;
+import org.wso2.carbon.device.application.mgt.core.exception.UnexpectedServerErrorException;
 import org.wso2.carbon.device.application.mgt.core.util.APIUtil;
 import org.wso2.carbon.device.application.mgt.publisher.api.services.ApplicationManagementPublisherAPI;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
@@ -84,11 +85,15 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
                         .entity("Couldn't find any application for the requested query.").build();
             }
             return Response.status(Response.Status.OK).entity(applications).build();
-        } catch(BadRequestException e){
+        } catch (BadRequestException e) {
             String msg = "Incompatible request payload is found. Please try with valid request payload.";
             log.error(msg, e);
             return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
-        }catch (ApplicationManagementException e) {
+        } catch (UnexpectedServerErrorException e) {
+            String msg = "Error Occured when getting supported device types by Entgra IoTS";
+            log.error(msg);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        } catch (ApplicationManagementException e) {
             String msg = "Error occurred while getting the application list for publisher ";
             log.error(msg, e);
             return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
@@ -442,16 +447,19 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
     @Path("/life-cycle/{uuid}")
     public Response addLifecycleState(
             @PathParam("uuid") String applicationUuid,
-            @QueryParam("action") String action) {
+            @Valid LifecycleChanger lifecycleChanger) {
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
         try {
-            if (StringUtils.isEmpty(action)) {
-                String msg = "The Action is null or empty. Please verify the request.";
-                log.error(msg);
-                return Response.status(Response.Status.BAD_REQUEST).build();
-            }
-
-            applicationManager.changeLifecycleState( applicationUuid, action);
+            applicationManager.changeLifecycleState(applicationUuid, lifecycleChanger);
+        } catch (BadRequestException e) {
+            String msg = "Request payload contains invalid data, hence veryfy the request payload.";
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).build();
+        } catch (ForbiddenException e) {
+            String msg = "You are trying to move the application release into  incompatible state for application "
+                    + "which has application ID: " + applicationUuid;
+            log.error(msg, e);
+            return Response.status(Response.Status.FORBIDDEN).build();
         } catch (NotFoundException e) {
             String msg = "Could,t find application release for application release uuid: " + applicationUuid;
             log.error(msg, e);
@@ -579,9 +587,8 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
             List<String> tagNames) {
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
         try {
-            applicationManager.addTags(tagNames);
-            String msg = "New application tags are added successfully.";
-            return Response.status(Response.Status.OK).entity(msg).build();
+            List<String> tags = applicationManager.addTags(tagNames);
+            return Response.status(Response.Status.OK).entity(tags).build();
         } catch (BadRequestException e) {
             String msg = e.getMessage();
             log.error(msg);
@@ -602,9 +609,8 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
             List<String> tagNames) {
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
         try {
-            applicationManager.addApplicationTags(appId, tagNames);
-            String msg = "New tags are added successfully, for application which has application ID: " + appId +".";
-            return Response.status(Response.Status.OK).entity(msg).build();
+            List<String> applicationTags = applicationManager.addApplicationTags(appId, tagNames);
+            return Response.status(Response.Status.OK).entity(applicationTags).build();
         } catch (NotFoundException e) {
             String msg = e.getMessage();
             log.error(msg);

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

@@ -130,9 +130,8 @@ public class ApplicationManagementPublisherAdminAPIImpl implements ApplicationMa
             List<String> categoryNames) {
         ApplicationManager applicationManager = APIUtil.getApplicationManager();
         try {
-            applicationManager.addCategories(categoryNames);
-            String msg = "New application categories are added successfully.";
-            return Response.status(Response.Status.OK).entity(msg).build();
+            List<String> categories = applicationManager.addCategories(categoryNames);
+            return Response.status(Response.Status.OK).entity(categories).build();
         } catch (BadRequestException e) {
             String msg = e.getMessage();
             log.error(msg);

features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/dbscripts/cdm/application-mgt/h2.sql

@@ -80,7 +80,7 @@ CREATE TABLE IF NOT EXISTS AP_APP_LIFECYCLE_STATE(
   UPDATED_AT TIMESTAMP NOT NULL,
   AP_APP_RELEASE_ID INTEGER NOT NULL,
   AP_APP_ID INTEGER NOT NULL,
-  REASON VARCHAR(45) NULL,
+  REASON TEXT DEFAULT NULL,
   PRIMARY KEY (ID),
   CONSTRAINT fk_AP_APP_LIFECYCLE_STATE_AP_APP_RELEASE1
   FOREIGN KEY (AP_APP_RELEASE_ID)