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

Improve review management and fix store service registration issue

See merge request entgra/carbon-device-mgt!9

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

@@ -24,7 +24,6 @@ import io.swagger.annotations.ApiModelProperty;
 
 import java.util.List;
 
-
 @ApiModel(value = "Application", description = "Application represents the an Application in Application Store")
 public class Application {
 

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

@@ -177,7 +177,6 @@ public class ApplicationRelease {
         this.price = price;
     }
 
-
     public String getAppHashValue() {
         return appHashValue;
     }

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

@@ -18,8 +18,6 @@
  */
 package org.wso2.carbon.device.application.mgt.common;
 
-import com.google.gson.Gson;
-
 import java.io.Serializable;
 
 /**

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

@@ -1,85 +0,0 @@
-/*
- *   Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- *   WSO2 Inc. 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;
-
-//TODO
-
-/**
- * FilterProperty defines the property that can be used to filter the Application.
- */
-public class FilterProperty {
-
-    /**
-     * Operators that can be used in search.
-     */
-    public enum Operator {
-        EQUALS ("="),
-        GRATER_THAN (">"),
-        GREATER_THAN_AND_EQUAL(">="),
-        LESS_THAN ("<"),
-        LESS_THAN_AND_EQUAL ("<=");
-
-        private final String value;
-
-        Operator(String value) {
-            this.value = value;
-        }
-
-        public String getValue() {
-            return value;
-        }
-    }
-
-    public FilterProperty(String key, Operator operator, String value) {
-        this.key = key;
-        this.operator = operator;
-        this.value = value;
-    }
-
-    private String key;
-
-    private Operator operator;
-
-    private String value;
-
-    public String getKey() {
-        return key;
-    }
-
-    public void setKey(String key) {
-        this.key = key;
-    }
-
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
-
-    public Operator getOperator() {
-        return operator;
-    }
-
-    public void setOperator(Operator operator) {
-        this.operator = operator;
-    }
-
-}

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

@@ -1,34 +0,0 @@
-package org.wso2.carbon.device.application.mgt.common;
-
-/**
- * This represents the LifeCycleStateTransition from one state to next state.
- */
-public class LifecycleStateTransition {
-    private String nextState;
-    private String permission;
-    private String description;
-
-    public String getNextState() {
-        return nextState;
-    }
-
-    public String getPermission() {
-        return permission;
-    }
-
-    public String getDescription() {
-        return description;
-    }
-
-    public void setNextState(String nextState) {
-        this.nextState = nextState;
-    }
-
-    public void setPermission(String permission) {
-        this.permission = permission;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-}

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

@@ -1,53 +0,0 @@
-/*
-*  Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-*  WSO2 Inc. 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;
-
-/**
- * Represents the payment related information for the {@link Application}.
- */
-public class Payment {
-    private boolean freeApp;
-
-    private String paymentCurrency;
-
-    private float paymentPrice;
-
-    public boolean isFreeApp() {
-        return freeApp;
-    }
-
-    public void setFreeApp(boolean freeApp) {
-        this.freeApp = freeApp;
-    }
-
-    public String getPaymentCurrency() {
-        return paymentCurrency;
-    }
-
-    public void setPaymentCurrency(String paymentCurrency) {
-        this.paymentCurrency = paymentCurrency;
-    }
-
-    public float getPaymentPrice() {
-        return paymentPrice;
-    }
-
-    public void setPaymentPrice(float paymentPrice) {
-        this.paymentPrice = paymentPrice;
-    }
-}

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

@@ -1,77 +0,0 @@
-/*
- *   Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- *   WSO2 Inc. 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;
-
-import java.util.Date;
-
-/**
- * Represents subscription of an {@link Application}
- */
-public class Subscription {
-
-    private Visibility.Type type;
-
-    private String value;
-
-    private Date createdAt;
-
-    private Application application;
-
-    private ApplicationRelease applicationRelease;
-
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
-
-    public Visibility.Type getType() {
-        return type;
-    }
-
-    public void setType(Visibility.Type type) {
-        this.type = type;
-    }
-
-    public Date getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(Date createdAt) {
-        this.createdAt = createdAt;
-    }
-
-    public Application getApplication() {
-        return application;
-    }
-
-    public void setApplication(Application application) {
-        this.application = application;
-    }
-
-    public ApplicationRelease getApplicationRelease() {
-        return applicationRelease;
-    }
-
-    public void setApplicationRelease(ApplicationRelease applicationRelease) {
-        this.applicationRelease = applicationRelease;
-    }
-}

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

@@ -1,54 +0,0 @@
-/*
- *   Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- *   WSO2 Inc. 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;
-
-import java.util.List;
-
-/**
- * This class represents the visibility details of an Application.
- */
-public class Visibility {
-
-    private Type type;
-
-    private List<String> allowedList;
-
-    public Type getType() {
-        return type;
-    }
-
-    public void setType(Type type) {
-        this.type = type;
-    }
-
-    public List<String> getAllowedList() {
-        return allowedList;
-    }
-
-    public void setAllowedList(List<String> allowedList) {
-        this.allowedList = allowedList;
-    }
-
-    /**
-     * Type of the visibility of the application.
-     */
-    public enum Type {
-        PUBLIC, ROLES, DEVICE_GROUPS
-    }
-}

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

@@ -0,0 +1,45 @@
+/*
+ *   Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+ *
+ *   WSO2 Inc. 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.exception;
+
+public class ReviewDoesNotExistException extends Exception {
+    private String message;
+
+    public ReviewDoesNotExistException(String message, Throwable throwable) {
+        super(message, throwable);
+        setMessage(message);
+    }
+
+    public ReviewDoesNotExistException(String message) {
+        super(message);
+        setMessage(message);
+    }
+
+    public ReviewDoesNotExistException() {
+
+    }
+
+    @Override public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

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

@@ -23,10 +23,8 @@ import org.wso2.carbon.device.application.mgt.common.ApplicationList;
 import org.wso2.carbon.device.application.mgt.common.ApplicationRelease;
 import org.wso2.carbon.device.application.mgt.common.Filter;
 import org.wso2.carbon.device.application.mgt.common.LifecycleState;
-import org.wso2.carbon.device.application.mgt.common.LifecycleStateTransition;
 import org.wso2.carbon.device.application.mgt.common.UnrestrictedRole;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
-import org.wso2.carbon.device.application.mgt.common.exception.LifecycleManagementException;
 
 import java.util.List;
 

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

@@ -22,25 +22,29 @@ import org.wso2.carbon.device.application.mgt.common.Rating;
 import org.wso2.carbon.device.application.mgt.common.Review;
 import org.wso2.carbon.device.application.mgt.common.PaginationRequest;
 import org.wso2.carbon.device.application.mgt.common.PaginationResult;
+import org.wso2.carbon.device.application.mgt.common.exception.RequestValidatingException;
+import org.wso2.carbon.device.application.mgt.common.exception.ReviewDoesNotExistException;
 import org.wso2.carbon.device.application.mgt.common.exception.ReviewManagementException;
 
+
+
 /**
  * ReviewManager is responsible for handling all the add/update/delete/get operations related with
  */
 public interface ReviewManager {
 
     /**
-     * To add a review to a application
+     * To add a review to an application release
      *
      * @param review  review of the application.
      * @param uuid     uuid of the application release.
      * @return {@link Review} Review added
      * @throws ReviewManagementException Exceptions of the review management.
      */
-    boolean addReview(Review review, String uuid) throws ReviewManagementException;
+    boolean addReview(Review review, String uuid) throws ReviewManagementException, RequestValidatingException;
 
     /**
-     * Get all comments to pagination
+     * Get all review with pagination
      *
      * @param request Pagination request {@link PaginationRequest}
      * @param uuid    uuid of the application release
@@ -49,15 +53,6 @@ public interface ReviewManager {
      */
     PaginationResult getAllReviews(PaginationRequest request, String uuid) throws ReviewManagementException;
 
-    /**
-     * To get the comment with id.
-     *
-     * @param commentId id of the comment
-     * @return {@link Review}Review of the comment id
-     * @throws ReviewManagementException Exceptions of the comment management.
-     */
-    Review getReview(int commentId) throws ReviewManagementException;
-
     /**
      * To delete review using review id.
      *
@@ -66,7 +61,8 @@ public interface ReviewManager {
      * @return If review is successfully deleted return true, otherwise returns false
      * @throws ReviewManagementException Exceptions of the comment management
      */
-    boolean deleteReview(String uuid, int commentId) throws ReviewManagementException;
+    boolean deleteReview(String uuid, int commentId)
+            throws ReviewManagementException, ReviewDoesNotExistException;
 
     /**
      * To update a review.
@@ -74,12 +70,13 @@ public interface ReviewManager {
      * @param review   review of the application.
      * @param reviewId id of the review
      * @param uuid UUID of the application release
-     * @param checkExistence Pass true if it is required to check the existence of the review, otherwise pass false
+     * @param existingReview Pass existing review when same user adding a review for same application release,
+     *                       otherwise pass null
      * @return {@link Review}updated review
      * @throws ReviewManagementException Exceptions of the review management
      */
-    boolean updateReview(Review review, int reviewId, String uuid, boolean checkExistence)
+    boolean updateReview(Review review, int reviewId, String uuid, Review existingReview)
-            throws ReviewManagementException;
+            throws ReviewManagementException, RequestValidatingException;
 
     /**
      * To get the overall rating for a application release

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

@@ -1,59 +0,0 @@
-/*
-*  Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-*  WSO2 Inc. 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.services;
-
-import org.wso2.carbon.device.application.mgt.common.UnrestrictedRole;
-import org.wso2.carbon.device.application.mgt.common.Visibility;
-import org.wso2.carbon.device.application.mgt.common.exception.VisibilityManagementException;
-
-import java.util.List;
-
-/**
- * This interface manages all the operations related with Application Visibility.
- * This will be invoking the necessary backend calls for the data bases layer
- * and provide the functional implementation.
- */
-public interface UnrestrictedRoleManager {
-
-    /**
-     * Add (if there is no visibility configuration for the application) or
-     * Update (if there is already existing configuration for the application)
-     * the visibility related configuration for the application
-     *
-     * @param applicationID The ID of the application
-     * @param visibility    The visibility configuration for the particular application.
-     */
-    Visibility put(int applicationID, Visibility visibility) throws VisibilityManagementException;
-
-    /**
-     * Returns the Visibility configuration of the provided applicationUUID.
-     *
-     * @param applicationID The ID of the application
-     * @param tenantId tenant Id
-     * @return Visibility configuration
-     */
-    List<UnrestrictedRole> getUnrestrictedRoles(int applicationID, int tenantId) throws VisibilityManagementException;
-
-    /**
-     * Remove the visibility configuration mapping for the provided application.
-     *
-     * @param applicationID The ID of the application
-     */
-    void remove(int applicationID) throws VisibilityManagementException;
-}

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

@@ -81,19 +81,21 @@ public interface ApplicationReleaseDAO {
 
     /**
      * To update an Application release.
-     * @param id id of the ApplicationRelease that need to be updated.
+     * @param uuid UUID of the ApplicationRelease that need to be updated.
      * @param rating given stars for the application.
      * @param ratedUsers number of users who has rated for the application release.
      * @throws ApplicationManagementDAOException Application Management DAO Exception
      */
-    int updateRatingValue(int id, double rating, int ratedUsers) throws ApplicationManagementDAOException;
+    void updateRatingValue(String uuid, double rating, int ratedUsers) throws ApplicationManagementDAOException;
 
     /**
      * To retrieve rating of an application release.
+     *
      * @param uuid UUID of the application Release.
+     * @param tenantId Tenant Id
      * @throws ApplicationManagementDAOException Application Management DAO Exception.
      */
-    Rating getRating(String uuid) throws ApplicationManagementDAOException;
+    Rating getRating(String uuid, int tenantId) throws ApplicationManagementDAOException;
 
 
     /**

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

@@ -45,7 +45,7 @@ import java.util.List;
     boolean addReview(Review review, String uuid, int tenantId) throws ReviewManagementDAOException;
 
    /**
-    * To verify whether review is exists or not.
+    * To verify whether user has already commented for the application release or not.
     *
     * @param uuid   UUID of the application release.
     * @param username   username of the logged in user.
@@ -58,33 +58,33 @@ import java.util.List;
     /**
      * To update already added comment.
      *
-     * @return {@link Review}Updated comment
+     * @param review Updating review
-     * @throws ReviewManagementException Exceptions of the comment management.
+     * @param reviewId id of the updating review
-     * @throws DBConnectionException      db connection exception
+     * @param username review owner
-     * @throws SQLException               sql exception
+     * @param tenantId tenant id
+     * @return row count if updating is succeed otherwise 0
+     * @throws ReviewManagementDAOException Exceptions of the review management.
      */
-    boolean updateReview(Review review, int reviewId, int tenantId)
+    int updateReview(Review review, int reviewId, String username, int tenantId)
-            throws ReviewManagementException, DBConnectionException, SQLException;
+            throws ReviewManagementDAOException;
 
 
     /**
      * To get the comment with id.
      *
-     * @param commentId id of the comment
+     * @param reviewId id of the review
      * @return {@link Review}Review
-     * @throws ReviewManagementException Exceptions of the comment management.
+     * @throws ReviewManagementDAOException Exceptions of the review management DAO.
-     * @throws DBConnectionException      db connection exception
-     * @throws SQLException               sql exception
      */
-    Review getReview(int commentId) throws ReviewManagementException, SQLException, DBConnectionException;
+    Review getReview(int reviewId) throws ReviewManagementDAOException;
 
     /**
-     * To get all the comments
+     * To get all reviews
      *
      * @param uuid    uuid of the application
      * @param request {@link PaginationRequest}pagination request with offSet and limit
      * @param tenantId Tenant id
-     * @return {@link List}List of all the comments in an application
+     * @return {@link List}List of all reviews for the application release
      * @throws ReviewManagementDAOException      Review management DAO exception
      **/
     List<Review> getAllReviews(String uuid, PaginationRequest request, int tenantId)
@@ -92,11 +92,12 @@ import java.util.List;
 
     /**
      * To get list of comments using release id and application id.
-     *
+     * @param uuid UUID of the application release
+     * @param tenantId tenant id
      * @return {@link List}List of comments
-     * @throws ReviewManagementException Exceptions of the comment management.
+     * @throws ReviewManagementDAOException Exceptions of the review management DAO.
      */
-    List<Integer> getAllRatingValues(String uuid)throws SQLException, DBConnectionException;
+    List<Integer> getAllRatingValues(String uuid, int tenantId) throws ReviewManagementDAOException;
 
     /**
      * To get count of comments by application details.
@@ -122,15 +123,6 @@ import java.util.List;
      */
     int deleteReview(String username, int reviewId) throws ReviewManagementDAOException;
 
-   /**
-    * To delete review using review id, in this case, it doesn't check whether user is review owner or not.
-    *
-    * @param reviewId id of the review
-    * @return If review is successfully deleted return 1, otherwise returns 0.
-    * @throws ReviewManagementDAOException Review management DAO exception.
-    */
-   int deleteReviewByAdmin(int reviewId) throws ReviewManagementDAOException;
-
     /**
      * To delete comments using application details.
      *
@@ -142,12 +134,11 @@ import java.util.List;
     void deleteReviews(String appType, String appName, String version) throws ReviewManagementException;
 
     /**
-     * To get comment count for pagination
+     * To get review count for a specific application release
      *
-     * @param request pagination request
      * @param uuid uuid of the application release
      * @return Review count
-     * @throws ReviewManagementException
+     * @throws ReviewManagementDAOException Review management DAO exception
      */
-    int getReviewCount(PaginationRequest request, String uuid) throws ReviewManagementException;
+    int getReviewCount(String uuid) throws ReviewManagementDAOException;
 }

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

@@ -23,7 +23,7 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.application.mgt.common.exception.UnsupportedDatabaseEngineException;
 import org.wso2.carbon.device.application.mgt.core.config.ConfigurationManager;
 import org.wso2.carbon.device.application.mgt.core.dao.*;
-import org.wso2.carbon.device.application.mgt.core.dao.impl.Comment.ReviewDAOImpl;
+import org.wso2.carbon.device.application.mgt.core.dao.impl.Review.ReviewDAOImpl;
 import org.wso2.carbon.device.application.mgt.core.dao.impl.application.GenericApplicationDAOImpl;
 import org.wso2.carbon.device.application.mgt.core.dao.impl.application.release.GenericApplicationReleaseDAOImpl;
 import org.wso2.carbon.device.application.mgt.core.dao.impl.application.OracleApplicationDAOImpl;

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

@@ -16,7 +16,7 @@
  *   under the License.
  *
  */
-package org.wso2.carbon.device.application.mgt.core.dao.impl.Comment;
+package org.wso2.carbon.device.application.mgt.core.dao.impl.Review;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -28,7 +28,6 @@ import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionExcep
 import org.wso2.carbon.device.application.mgt.core.dao.ReviewDAO;
 import org.wso2.carbon.device.application.mgt.core.dao.common.Util;
 import org.wso2.carbon.device.application.mgt.core.dao.impl.AbstractDAOImpl;
-import org.wso2.carbon.device.application.mgt.core.exception.ApplicationManagementDAOException;
 import org.wso2.carbon.device.application.mgt.core.exception.ReviewManagementDAOException;
 
 import java.sql.SQLException;
@@ -48,14 +47,13 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
     private String sql;
 
     @Override
-    public boolean addReview(Review review, String uuid, int tenantId)
+    public boolean addReview(Review review, String uuid, int tenantId) throws ReviewManagementDAOException {
-            throws ReviewManagementDAOException {
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to add review for application release. Application UUID: " + uuid);
         }
         PreparedStatement statement = null;
         ResultSet rs = null;
-        sql = "INSERT INTO AP_APP_Review (TENANT_ID, COMMENT, PARENT_ID, USERNAME, AP_APP_RELEASE_ID, AP_APP_ID) "
+        sql = "INSERT INTO AP_APP_REVIEW (TENANT_ID, COMMENT, PARENT_ID, USERNAME, AP_APP_RELEASE_ID, AP_APP_ID) "
                 + "VALUES (?,?,?,?,(SELECT ID FROM AP_APP_RELEASE WHERE UUID= ?),"
                 + "(SELECT AP_APP_ID FROM AP_APP_RELEASE WHERE UUID=?));";
         try {
@@ -102,7 +100,6 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
             statement.setString(1, uuid);
             statement.setString(2, username);
             statement.setInt(3, tenantId);
-
             rs = statement.executeQuery();
             if (rs.next()){
                 review = new Review();
@@ -128,7 +125,8 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
     }
 
     @Override
-    public boolean updateReview(Review review, int reviewId, int tenantId) throws ReviewManagementException, DBConnectionException, SQLException {
+    public int updateReview(Review review, int reviewId, String username, int tenantId)
+            throws ReviewManagementDAOException {
 
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to update the comment with ID (" + reviewId + ")");
@@ -136,55 +134,59 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
         Connection connection;
         PreparedStatement statement = null;
         ResultSet rs = null;
-        sql = "UPDATE AP_APP_COMMENT SET COMMENT_TEXT=?, MODEFIED_BY=? WHERE ID=?;";
+        sql = "UPDATE AP_APP_REVIEW SET COMMENT=?, RATING=? WHERE ID=? AND USERNAME=? AND TENANT_ID=?;";
         try {
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
-//            statement.setString(1, updatedComment);
+            statement.setString(1, review.getComment());
-//            statement.setString(2, modifiedBy);
+            statement.setInt(2, review.getRating());
             statement.setInt(3, reviewId);
-            statement.executeUpdate();
+            statement.setString(4, username);
-            rs = statement.executeQuery();
+            statement.setInt(5, tenantId);
+            return statement.executeUpdate();
+        } catch (SQLException e) {
+            throw new ReviewManagementDAOException("Error occurred while executing review updating query");
+        } catch (DBConnectionException e) {
+            throw new ReviewManagementDAOException("Error occured while getting the db connection to update review");
         } finally {
             Util.cleanupResources(statement, rs);
         }
-        // todo
-        return false;
     }
 
     @Override
-    public Review getReview(int commentId) throws ReviewManagementException {
+    public Review getReview(int reviewId) throws ReviewManagementDAOException {
 
         if (log.isDebugEnabled()) {
-            log.debug("Getting review with the review id(" + commentId + ") from the database");
+            log.debug("Getting review with the review id(" + reviewId + ") from the database");
         }
         Connection conn;
         PreparedStatement statement = null;
-        ResultSet rs;
+        ResultSet rs = null;
         Review review = new Review();
         try {
             conn = this.getDBConnection();
-            sql = "SELECT COMMENT_TEXT FROM AP_APP_COMMENT WHERE ID=?;";
+            sql = "SELECT ID, COMMENT, CREATED_AT, MODIFIED_AT, RATING, USERNAME FROM AP_APP_REVIEWE WHERE ID=?;";
             statement = conn.prepareStatement(sql);
-            statement.setInt(1, commentId);
+            statement.setInt(1, reviewId);
             rs = statement.executeQuery();
             if (rs.next()) {
                 review.setId(rs.getInt("ID"));
-//                review.setTenantId(rs.getInt("TENANT_ID"));
+                review.setComment(rs.getString("COMMENT"));
-                review.setComment(rs.getString("COMMENT_TEXT"));
                 review.setCreatedAt(rs.getTimestamp("CREATED_AT"));
                 review.setUsername(rs.getString("CREATED_BY"));
-                review.setModifiedAt(rs.getTimestamp("MODEFIED_AT"));
+                review.setModifiedAt(rs.getTimestamp("MODIFIED_AT"));
-                Util.cleanupResources(statement, rs);
+                review.setRating(rs.getInt("RATING"));
+                review.setUsername(rs.getString("USERNAME"));
                 return review;
             }
         } catch (SQLException e) {
-            throw new ReviewManagementException(
+            throw new ReviewManagementDAOException(
-                    "SQL Error occurred while retrieving information of the review " + commentId, e);
+                    "SQL Error occurred while retrieving information of the review " + reviewId, e);
         } catch (DBConnectionException e) {
-            log.error("DB Connection Exception occurred while retrieving information of the review " + commentId, e);
+            throw new ReviewManagementDAOException(
+                    "DB Connection Exception occurred while retrieving information of the review " + reviewId, e);
         } finally {
-            Util.cleanupResources(statement, null);
+            Util.cleanupResources(statement, rs);
         }
         return review;
     }
@@ -202,11 +204,11 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
         List<Review> reviews = new ArrayList<>();
         try {
             conn = this.getDBConnection();
-            sql = "SELECT AP_APP_COMMENT.ID AS ID, AP_APP_COMMENT.COMMENT_TEXT AS COMMENT_TEXT, "
+            sql = "SELECT AP_APP_REVIEW.ID AS ID, AP_APP_REVIEW.COMMENT AS COMMENT, "
-                    + "AP_APP_COMMENT.CREATED_BY AS CREATED_BY, AP_APP_COMMENT.MODIFIED_BY AS MODIFIED_BY, "
+                    + "AP_APP_REVIEW.CREATED_BY AS CREATED_BY, AP_APP_REVIEW.MODIFIED_BY AS MODIFIED_BY, "
-                    + "AP_APP_COMMENT.PARENT_ID AS PARENT_ID FROM AP_APP_COMMENT, AP_APP_RELEASE WHERE "
+                    + "AP_APP_REVIEW.PARENT_ID AS PARENT_ID FROM AP_APP_REVIEW, AP_APP_RELEASE WHERE "
-                    + "AP_APP_COMMENT.AP_APP_RELEASE_ID=AP_APP_RELEASE.ID AND AP_APP_RELEASE.UUID =? AND "
+                    + "AP_APP_REVIEW.AP_APP_RELEASE_ID=AP_APP_RELEASE.ID AND AP_APP_RELEASE.UUID =? AND "
-                    + "AP_APP_COMMENT.TENANT_ID = ? AND AP_APP_COMMENT.TENANT_ID = AP_APP_RELEASE.TENANT_ID "
+                    + "AP_APP_REVIEW.TENANT_ID = ? AND AP_APP_REVIEW.TENANT_ID = AP_APP_RELEASE.TENANT_ID "
                     + "LIMIT ? OFFSET ?;";
             statement = conn.prepareStatement(sql);
             statement.setString(1, uuid);
@@ -233,7 +235,7 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
     }
 
     @Override
-    public List<Integer> getAllRatingValues(String uuid)throws SQLException, DBConnectionException {
+    public List<Integer> getAllRatingValues(String uuid, int tenantId) throws ReviewManagementDAOException {
 
         if (log.isDebugEnabled()) {
             log.debug("Getting comment of the application release (" + uuid + ") from the database");
@@ -244,18 +246,24 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
         List<Integer> reviews = new ArrayList<>();
         try {
             conn = this.getDBConnection();
-//            todo
+            sql = "SELECT AP_APP_COMMENT.RATING AS RATING FROM AP_APP_REVIEW, AP_APP_RELEASE WHERE "
-            sql = "SELECT AP_APP_COMMENT.ID AS ID, AP_APP_COMMENT.COMMENT_TEXT AS "
+                    + "AP_APP_REVIEW.AP_APP_RELEASE_ID=AP_APP_RELEASE.ID AND AP_APP_RELEASE.UUID =? AND "
-                    + "COMMENT_TEXT, AP_APP_COMMENT.CREATED_BY AS CREATED_BY, AP_APP_COMMENT.MODIFIED_BY AS "
+                    + "AP_APP_COMMENT.TENANT_ID = AP_APP_RELEASE.TENANT_ID AND AP_APP_COMMENT.TENANT_ID = ?;";
-                    + "MODIFIED_BY, AP_APP_COMMENT.PARENT_ID AS PARENT_ID FROM AP_APP_COMMENT, AP_APP_RELEASE WHERE "
-                    + "AP_APP_COMMENT.AP_APP_RELEASE_ID=AP_APP_RELEASE.ID AND AP_APP_RELEASE.UUID =? AND "
-                    + "AP_APP_COMMENT.TENANT_ID = ? AND AP_APP_COMMENT.TENANT_ID = AP_APP_RELEASE.TENANT_ID;";
             statement = conn.prepareStatement(sql);
             statement.setString(1, uuid);
+            statement.setInt(2, tenantId);
             rs = statement.executeQuery();
             while (rs.next()) {
                 reviews.add(rs.getInt("RATING"));
             }
+        } catch (SQLException e) {
+            throw new ReviewManagementDAOException(
+                    "Error occured while getting all rating values for the application release. App release UUID: "
+                            + uuid, e);
+        } catch (DBConnectionException e) {
+            throw new ReviewManagementDAOException(
+                    "Error occured while getting DB connection to retrieve all rating values for the application release. App release UUID: "
+                            + uuid, e);
         } finally {
             Util.cleanupResources(statement, rs);
         }
@@ -263,7 +271,7 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
     }
 
     @Override
-    public int getReviewCount(PaginationRequest request, String uuid) throws ReviewManagementException {
+    public int getReviewCount(String uuid) throws ReviewManagementDAOException {
 
         int commentCount = 0;
         Connection conn;
@@ -276,20 +284,20 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
                 isUuidProvided = true;
             }
             if (isUuidProvided) {
-                sql = "SELECT COUNT(AP_APP_COMMENT.ID) FROM AP_APP_COMMENT,AP_APP_RELEASE "
+                sql = "SELECT COUNT(AP_APP_REVIEW.ID) AS REVIEW_COUNT FROM AP_APP_REVIEW,AP_APP_RELEASE "
-                        + "WHERE AP_APP_COMMENT.AP_APP_RELEASE_ID= AP_APP_RELEASE.ID AND "
+                        + "WHERE AP_APP_REVIEW.AP_APP_RELEASE_ID= AP_APP_RELEASE.ID AND "
-                        + "AP_APP_COMMENT.AP_APP_ID= AP_APP_RELEASE.AP_APP_ID AND AP_APP_RELEASE.UUID=?;";
+                        + "AP_APP_REVIEW.AP_APP_ID= AP_APP_RELEASE.AP_APP_ID AND AP_APP_RELEASE.UUID=?;";
                 statement = conn.prepareStatement(sql);
                 statement.setString(1, uuid);
                 rs = statement.executeQuery();
                 if (rs.next()) {
-                    commentCount = rs.getInt("COMMENTS_COUNT");
+                    commentCount = rs.getInt("REVIEW_COUNT");
                 }
             }
         } catch (SQLException e) {
-            throw new ReviewManagementException("SQL Error occurred while retrieving count of comments", e);
+            throw new ReviewManagementDAOException("SQL Error occurred while retrieving review counts", e);
         } catch (DBConnectionException e) {
-            log.error("DB Connection Exception occurred while retrieving count of comments", e);
+            throw new ReviewManagementDAOException("DB Connection Exception occurred while retrieving review counts", e);
         } finally {
             Util.cleanupResources(statement, rs);
         }
@@ -302,8 +310,10 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
 
         Connection conn;
         PreparedStatement statement = null;
+        ResultSet rs = null;
         int commentCount = 0;
         try {
+            //todo need to reconstruct the query
             conn = this.getDBConnection();
             sql = "SELECT COUNT(ID) AS COMMENT_COUNT FROM AP_APP_COMMENT C, "
                     + "(SELECT ID AS RELEASE_ID, AP_APP_ID AS RELEASE_AP_APP_ID FROM AP_APP_RELEASE R WHERE VERSION=? )R,"
@@ -313,12 +323,12 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
             statement.setString(1, version);
             statement.setString(2, appName);
             statement.setString(3, appType);
-            ResultSet rs = statement.executeQuery();
+            rs = statement.executeQuery();
             if (rs.next()) {
                 commentCount = rs.getInt("COMMENT_COUNT");
             }
         } finally {
-            Util.cleanupResources(statement, null);
+            Util.cleanupResources(statement, rs);
         }
         return commentCount;
     }
@@ -345,33 +355,13 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
     }
 
     @Override
-    public int deleteReviewByAdmin(int reviewId) throws ReviewManagementDAOException {
+    public void deleteReviews(String appType, String appName, String version) throws ReviewManagementException {
-        Connection conn;
-        PreparedStatement statement = null;
-        try {
-            conn = this.getDBConnection();
-            sql = "DELETE FROM AP_APP_REVIEW WHERE ID=?;";
-            statement = conn.prepareStatement(sql);
-            statement.setInt(1, reviewId);
-            return statement.executeUpdate();
-        } catch (SQLException e) {
-            throw new ReviewManagementDAOException("Error occured while accessing the Database", e);
-        } catch (DBConnectionException e) {
-            throw new ReviewManagementDAOException("Error occured while getting the database connection", e);
-
-        } finally {
-            Util.cleanupResources(statement, null);
-        }
-    }
-
-    @Override
-    public void deleteReviews(String appType, String appName, String version)
-            throws ReviewManagementException {
 
         Connection conn;
         PreparedStatement statement = null;
         try {
             conn = this.getDBConnection();
+            //todo need to reconstruct the query,
             sql = "DELETE FROM AP_APP_COMMENT WHERE "
                     + "(SELECT AP_APP_RELEASE_ID FROM AP_APP_RELEASE WHERE VERSION=? AND "
                     + "(SELECT AP_APP_ID FROM AP_APP WHERE NAME=? AND TYPE=?)) AND "

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

@@ -279,28 +279,28 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
     /**
      * To Update starts of an application release.
      *
-     * @param id Id of the application Release.
+     * @param uuid UUID of the application Release.
      * @param rating given stars for the application release.
      * @throws ApplicationManagementDAOException Application Management DAO Exception.
      */
     @Override
-    public int updateRatingValue(int id, double rating, int ratedUsers) throws ApplicationManagementDAOException {
+    public void updateRatingValue(String uuid, double rating, int ratedUsers) throws ApplicationManagementDAOException {
         Connection connection;
         PreparedStatement statement = null;
-        String sql = "UPDATE AP_APP_RELEASE SET RATING = ? AND RATED_USERS = ? WHERE ID = ?;";
+        String sql = "UPDATE AP_APP_RELEASE SET RATING = ? AND RATED_USERS = ? WHERE UUID = ?;";
         try {
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
             statement.setDouble(1, rating);
             statement.setInt(2, ratedUsers);
-            statement.setInt(2, id);
+            statement.setString(3, uuid);
-            return statement.executeUpdate();
+            statement.executeUpdate();
         } catch (DBConnectionException e) {
             throw new ApplicationManagementDAOException(
-                    "Database connection exception while trying to update the application release", e);
+                    "Database connection exception while trying to update the application release rating value", e);
         } catch (SQLException e) {
             throw new ApplicationManagementDAOException(
-                    "SQL exception while updating the release ,while executing the query " + sql, e);
+                    "SQL exception while updating the release rating value ,while executing the query " + sql, e);
         } finally {
             Util.cleanupResources(statement, null);
         }
@@ -313,16 +313,17 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
      * @throws ApplicationManagementDAOException Application Management DAO Exception.
      */
     @Override
-    public Rating getRating(String uuid) throws ApplicationManagementDAOException {
+    public Rating getRating(String uuid, int tenantId) throws ApplicationManagementDAOException {
         Connection connection;
         PreparedStatement statement = null;
         ResultSet resultSet = null;
         Rating rating = null;
-        String sql = "SELECT RATING, RATED_USERS FROM AP_APP_RELEASE WHERE UUID = ?;";
+        String sql = "SELECT RATING, RATED_USERS FROM AP_APP_RELEASE WHERE UUID = ? AND TENANT_D=?;";
         try {
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
             statement.setString(1, uuid);
+            statement.setInt(2, tenantId);
             resultSet = statement.executeQuery();
 
             if (resultSet.next()){

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

@@ -96,8 +96,7 @@ public class ApplicationManagerImpl implements ApplicationManager {
         String userName = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
         application.setUser(new User(userName, tenantId));
         if (log.isDebugEnabled()) {
-            log.debug("Create Application received for the tenant : " + application.getUser().getTenantId() + " From"
+            log.debug("Create Application received for the tenant : " + tenantId + " From" + " the user : " + userName);
-                              + " the user : " + application.getUser().getUserName());
         }
 
         validateAppCreatingRequest(application);
@@ -161,11 +160,13 @@ public class ApplicationManagerImpl implements ApplicationManager {
             ConnectionManagerUtil.rollbackDBTransaction();
             throw new ApplicationManagementException(msg, e);
         } catch (DeviceManagementException e) {
-            e.printStackTrace();
+            String msg = "Error occurred while getting device type id of " + application.getType();
+            log.error(msg, e);
+            ConnectionManagerUtil.rollbackDBTransaction();
+            throw new ApplicationManagementException(msg, e);
         } finally {
             //ConnectionManagerUtil.closeDBConnection(); //todo: check this again
         }
-        return  null;
     }
 
     @Override

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

@@ -25,6 +25,8 @@ import org.wso2.carbon.device.application.mgt.common.Rating;
 import org.wso2.carbon.device.application.mgt.common.Review;
 import org.wso2.carbon.device.application.mgt.common.PaginationRequest;
 import org.wso2.carbon.device.application.mgt.common.PaginationResult;
+import org.wso2.carbon.device.application.mgt.common.exception.RequestValidatingException;
+import org.wso2.carbon.device.application.mgt.common.exception.ReviewDoesNotExistException;
 import org.wso2.carbon.device.application.mgt.common.exception.ReviewManagementException;
 import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
 import org.wso2.carbon.device.application.mgt.common.exception.TransactionManagementException;
@@ -41,7 +43,6 @@ import org.wso2.carbon.user.api.UserRealm;
 import org.wso2.carbon.user.api.UserStoreException;
 import org.wso2.carbon.utils.multitenancy.MultitenantUtils;
 
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeMap;
@@ -64,34 +65,29 @@ public class ReviewManagerImpl implements ReviewManager {
         this.applicationReleaseDAO = ApplicationManagementDAOFactory.getApplicationReleaseDAO();
     }
 
-    @Override public boolean addReview(Review review, String uuid) throws ReviewManagementException {
+    @Override public boolean addReview(Review review, String uuid)
+            throws ReviewManagementException, RequestValidatingException {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
-        boolean isSuccess;
+        boolean isSuccess = false;
         try {
             ConnectionManagerUtil.beginDBTransaction();
             Review existingReview = reviewDAO.haveUerCommented(uuid, username, tenantId);
-            if (existingReview != null && review.getRating() > 0 && review.getRating() != existingReview.getRating()) {
+            if (existingReview != null && isAuthorizedUser(username, existingReview.getUsername(), tenantId)
+                    && review.getRating() > 0 && review.getRating() != existingReview.getRating()) {
                 Runnable task = () -> calculateRating(review.getRating(), existingReview.getRating(), uuid);
                 new Thread(task).start();
-                isSuccess = updateReview(review, existingReview.getId(),uuid, false);
+                isSuccess = updateReview(review, existingReview.getId(), uuid, existingReview);
-                if (isSuccess) {
+            } else if (review.getRating() > 0) {
-                    ConnectionManagerUtil.commitDBTransaction();
+                Runnable task = () -> calculateRating(review.getRating(), -12345, uuid);
-                } else {
+                new Thread(task).start();
-                    ConnectionManagerUtil.rollbackDBTransaction();
-                }
-            } else {
-                if (review.getRating() > 0) {
-                    Runnable task = () -> calculateRating(review.getRating(), -12345, uuid);
-                    new Thread(task).start();
-                }
                 review.setUsername(username);
                 isSuccess = this.reviewDAO.addReview(review, uuid, tenantId);
-                if (isSuccess) {
+            }
-                    ConnectionManagerUtil.commitDBTransaction();
+            if (isSuccess) {
-                } else {
+                ConnectionManagerUtil.commitDBTransaction();
-                    ConnectionManagerUtil.rollbackDBTransaction();
+            } else {
-                }
+                ConnectionManagerUtil.rollbackDBTransaction();
             }
             return isSuccess;
         } catch (DBConnectionException e) {
@@ -103,49 +99,54 @@ public class ReviewManagerImpl implements ReviewManager {
             throw new ReviewManagementException(
                     "Transaction Management Exception occurs,Review for application release with UUID:" + uuid +
                             " is failed ", e);
+        } catch (UserStoreException e) {
+            throw new ReviewManagementException("Error occured while verifying user's permission to update the review.",
+                    e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }
     }
 
     @Override
-    public boolean updateReview(Review review, int reviewId, String uuid, boolean checkExistence)
+    public boolean updateReview(Review review, int reviewId, String uuid, Review existingReview)
             throws ReviewManagementException {
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
-        Review existingReview;
-        boolean isSuccess;
         if (log.isDebugEnabled()) {
             log.debug("Review updating request is received for the review id " + reviewId);
         }
         try {
             ConnectionManagerUtil.openDBConnection();
-            //            todo
+            if (existingReview == null) {
-            if (!username.equals(review.getUsername())) {
-                throw new ReviewManagementException(
-                        "User " + review.getUsername() + "doesn't match with the logged in user: " + username);
-            }
-            if (checkExistence) {
                 existingReview = this.reviewDAO.getReview(reviewId);
-                if (existingReview != null) {
+                if (existingReview != null && isAuthorizedUser(username, existingReview.getUsername(), tenantId)) {
                     if (review.getRating() > 0 && review.getRating() != existingReview.getRating()) {
-                        Runnable task = () -> calculateRating(review.getRating(), existingReview.getRating(), uuid);
+                        Review finalExistingReview = existingReview;
+                        Runnable task = () -> calculateRating(review.getRating(), finalExistingReview.getRating(),
+                                uuid);
                         new Thread(task).start();
                     }
                 } else {
-                    throw new ReviewManagementException("Couldn't find a review for review id: " + reviewId);
+                    throw new ReviewManagementException(
+                            "Please check the existence of the review, Review-Id: " + reviewId
+                                    + " or permission of the " + username + " to update the review.");
                 }
             }
-            ConnectionManagerUtil.beginDBTransaction();
+            if (review.getComment().isEmpty()) {
-            isSuccess = this.reviewDAO.updateReview(review, reviewId, tenantId);
+                review.setComment(existingReview.getComment());
-            if (isSuccess) {
-                ConnectionManagerUtil.commitDBTransaction();
-            } else {
-                ConnectionManagerUtil.rollbackDBTransaction();
             }
-            return isSuccess;
+            if (review.getRating() == 0) {
-        } catch (SQLException e) {
+                review.setRating(existingReview.getRating());
-            throw new ReviewManagementException("SQL Error occurs updating review with review id " + reviewId + ".",
+            }
+            ConnectionManagerUtil.beginDBTransaction();
+            if (this.reviewDAO.updateReview(review, reviewId, username, tenantId) == 1) {
+                ConnectionManagerUtil.commitDBTransaction();
+                return true;
+            }
+            ConnectionManagerUtil.rollbackDBTransaction();
+            return false;
+        } catch (ReviewManagementDAOException e) {
+            throw new ReviewManagementException("Error occured while  updating review with review id " + reviewId + ".",
                     e);
         } catch (DBConnectionException e) {
             throw new ReviewManagementException(
@@ -153,6 +154,10 @@ public class ReviewManagerImpl implements ReviewManager {
         } catch (TransactionManagementException e) {
             throw new ReviewManagementException(
                     "Transaction management error occurs when updating review with review id " + reviewId + ".", e);
+        } catch (UserStoreException e) {
+            throw new ReviewManagementException(
+                    "Error occured while verifying user's permission to update the review. review id: " + reviewId
+                            + ".", e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }
@@ -203,55 +208,28 @@ public class ReviewManagerImpl implements ReviewManager {
         }
     }
 
-    @Override public Review getReview(int commentId) throws ReviewManagementException {
-        PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
-        Review review;
-        if (log.isDebugEnabled()) {
-            log.debug("Review retrieval request is received for the review id " + commentId);
-        }
-        try {
-            ConnectionManagerUtil.openDBConnection();
-            review = this.reviewDAO.getReview(commentId);
-        } catch (DBConnectionException e) {
-            throw new ReviewManagementException(
-                    "DB Connection error occurs ,Review with review id " + commentId + "cannot get.", e);
-        } catch (SQLException e) {
-            throw new ReviewManagementException(
-                    "SQL Exception occurs,Review with review id " + commentId + "cannot get.", e);
-        } finally {
-            ConnectionManagerUtil.closeDBConnection();
-        }
-        return review;
-    }
-
     @Override
-    public boolean deleteReview(String uuid, int reviewId) throws ReviewManagementException {
+    public boolean deleteReview(String uuid, int reviewId)
+            throws ReviewManagementException, ReviewDoesNotExistException {
         Review existingReview;
         int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
         String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
-        int isReviewDeleted;
         try {
-            existingReview = getReview(reviewId);
+            ConnectionManagerUtil.openDBConnection();
+            existingReview = this.reviewDAO.getReview(reviewId);
             if (existingReview == null) {
-                throw new ReviewManagementException(
+                throw new ReviewDoesNotExistException(
                         "Cannot delete a non-existing review for the application with review id" + reviewId);
             }
             Runnable task = () -> calculateRating(0, existingReview.getRating(), uuid);
             new Thread(task).start();
             ConnectionManagerUtil.beginDBTransaction();
-            if (isAdminUser(username, tenantId, CarbonConstants.UI_ADMIN_PERMISSION_COLLECTION)) {
+            if (isAuthorizedUser(username, existingReview.getUsername(), tenantId)
-                isReviewDeleted = this.reviewDAO.deleteReviewByAdmin(reviewId);
+                    && this.reviewDAO.deleteReview(username, reviewId) == 1) {
-                if (isReviewDeleted == 1) {
+                ConnectionManagerUtil.commitDBTransaction();
-                    ConnectionManagerUtil.commitDBTransaction();
+                return true;
-                    return true;
-                }
-            } else {
-                isReviewDeleted = this.reviewDAO.deleteReview(username, reviewId);
-                if (isReviewDeleted == 1) {
-                    ConnectionManagerUtil.commitDBTransaction();
-                    return true;
-                }
             }
+            ConnectionManagerUtil.rollbackDBTransaction();
             return false;
         } catch (DBConnectionException e) {
             throw new ReviewManagementException(
@@ -272,17 +250,17 @@ public class ReviewManagerImpl implements ReviewManager {
     }
 
     @Override public Rating getRating(String appReleaseUuuid) throws ReviewManagementException {
-        //todo
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
-        int appReleaseId = 0;
         try {
             ConnectionManagerUtil.openDBConnection();
-            Rating rating = this.applicationReleaseDAO.getRating(appReleaseUuuid);
+            Rating rating = this.applicationReleaseDAO.getRating(appReleaseUuuid, tenantId);
             if (rating == null) {
-                throw new ReviewManagementException("Couldn't find rating for application release id: " + appReleaseId
+                throw new ReviewManagementException(
-                        + ". Please check the existence of the application relese");
+                        "Couldn't find rating for application release UUID: " + appReleaseUuuid
+                                + ". Please check the existence of the application release");
             }
 
-            List<Integer> ratingValues = this.reviewDAO.getAllRatingValues(appReleaseUuuid);
+            List<Integer> ratingValues = this.reviewDAO.getAllRatingValues(appReleaseUuuid, tenantId);
             TreeMap<Integer, Integer> ratingVariety = rating.getRatingVariety();
             for (Integer ratingVal : ratingValues) {
                 if (ratingVariety.containsKey(ratingVal)) {
@@ -296,62 +274,59 @@ public class ReviewManagerImpl implements ReviewManager {
         } catch (ApplicationManagementDAOException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
             throw new ReviewManagementException(
-                    "Error occured while updated the rating value of the application release id: " + appReleaseId
+                    "Error occured while getting the rating value of the application release uuid: " + appReleaseUuuid,
-                            + " can not get.", e);
+                    e);
         } catch (DBConnectionException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
             throw new ReviewManagementException(
-                    "DB Connection error occured while updated the rating value of the application release id: "
+                    "DB Connection error occured while getting the rating value of the application release uuid: "
-                            + appReleaseId + " can not get.", e);
+                            + appReleaseUuuid, e);
-        } catch (SQLException e) {
+        } catch (ReviewManagementDAOException e) {
             throw new ReviewManagementException(
-                    "DB Connection error occured while updated the rating value of the application release id: "
+                    "Error occured while getting all rating values for the application release UUID: "
-                            + appReleaseId + " can not get.", e);
+                            + appReleaseUuuid, e);
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }
     }
 
     private void calculateRating(int newRatingVal, int oldRatingVal, String uuid) {
-        //        todo need to pass app release id
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
-        int appReleaseId = 0;
         try {
             ConnectionManagerUtil.beginDBTransaction();
-            Rating rating = this.applicationReleaseDAO.getRating(uuid);
+            Rating rating = this.applicationReleaseDAO.getRating(uuid, tenantId);
             if (rating == null) {
-                log.error("Couldn't find rating for application release id: " + appReleaseId);
+                log.error("Couldn't find rating for application release uuid: " + uuid);
             } else {
                 double updatedRating;
                 int numOfUsers = rating.getNoOfUsers();
                 double currentRating = rating.getRatingValue() * numOfUsers;
                 if (oldRatingVal == -12345) {
                     updatedRating = (currentRating + newRatingVal) / (numOfUsers + 1);
-                    this.applicationReleaseDAO.updateRatingValue(appReleaseId, updatedRating, numOfUsers + 1);
+                    this.applicationReleaseDAO.updateRatingValue(uuid, updatedRating, numOfUsers + 1);
                 } else if (newRatingVal == 0) {
                     updatedRating = (currentRating - newRatingVal) / (numOfUsers - 1);
-                    this.applicationReleaseDAO.updateRatingValue(appReleaseId, updatedRating, numOfUsers - 1);
+                    this.applicationReleaseDAO.updateRatingValue(uuid, updatedRating, numOfUsers - 1);
                 } else {
                     double tmpVal;
                     tmpVal = currentRating - oldRatingVal;
                     updatedRating = (tmpVal + newRatingVal) / numOfUsers;
-                    this.applicationReleaseDAO.updateRatingValue(appReleaseId, updatedRating, numOfUsers);
+                    this.applicationReleaseDAO.updateRatingValue(uuid, updatedRating, numOfUsers);
                 }
             }
             ConnectionManagerUtil.commitDBTransaction();
         } catch (ApplicationManagementDAOException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
-            log.error("Error occured while updated the rating value of the application release id: " + appReleaseId
+            log.error("Error occured while updated the rating value of the application release UUID: " + uuid);
-                    + " can not get.");
         } catch (TransactionManagementException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
             log.error(
-                    "Transaction Management Exception occured while updated the rating value of the application release id: "
+                    "Transaction Management Exception occured while updated the rating value of the application release UUID: "
-                            + appReleaseId + " can not get.");
+                            + uuid);
-
         } catch (DBConnectionException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
-            log.error("DB Connection error occured while updated the rating value of the application release id: "
+            log.error("DB Connection error occured while updated the rating value of the application release UUID: "
-                    + appReleaseId + " can not get.");
+                    + uuid + " can not get.");
         } finally {
             ConnectionManagerUtil.closeDBConnection();
         }
@@ -372,4 +347,20 @@ public class ReviewManagerImpl implements ReviewManager {
                 .isUserAuthorized(MultitenantUtils.getTenantAwareUsername(username), permission,
                         CarbonConstants.UI_PERMISSION_ACTION);
     }
+
+
+    /**
+     * To check whether logged in user is authorized user to do an specific action.
+     *
+     * @param loggedInUser   username of the loggedin user.
+     * @param reviewOwner username of the review owner.
+     * @param tenantId   ID of the tenant.
+     * @return true if the current user has the permission, otherwise false.
+     * @throws UserStoreException UserStoreException
+     */
+    private boolean isAuthorizedUser(String loggedInUser, String reviewOwner, int tenantId) throws UserStoreException {
+        return loggedInUser.equals(reviewOwner) || isAdminUser(loggedInUser, tenantId,
+                CarbonConstants.UI_ADMIN_PERMISSION_COLLECTION);
+    }
+
 }

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

@@ -1,117 +0,0 @@
-/*
-*  Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-*  WSO2 Inc. 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.core.impl;
-
-import org.wso2.carbon.device.application.mgt.common.UnrestrictedRole;
-import org.wso2.carbon.device.application.mgt.common.Visibility;
-import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
-import org.wso2.carbon.device.application.mgt.common.exception.VisibilityManagementException;
-import org.wso2.carbon.device.application.mgt.common.services.UnrestrictedRoleManager;
-import org.wso2.carbon.device.application.mgt.core.dao.VisibilityDAO;
-import org.wso2.carbon.device.application.mgt.core.dao.common.ApplicationManagementDAOFactory;
-import org.wso2.carbon.device.application.mgt.core.util.ConnectionManagerUtil;
-
-import java.util.Collection;
-import java.util.List;
-
-//todo need to work on business logic
-/**
- * This is the default implementation for the visibility manager.
- */
-public class UnrestrictedRoleManagerImpl implements UnrestrictedRoleManager {
-
-    @Override
-    public Visibility put(int applicationID, Visibility visibility) throws VisibilityManagementException {
-        return null;
-//        if (visibility == null) {
-//            visibility = new Visibility();
-//            visibility.setType(Visibility.Type.PUBLIC);
-//        }
-//        if (visibility.getAllowedList() == null && !visibility.getType().equals(Visibility.Type.PUBLIC)) {
-//            throw new VisibilityManagementException("Visibility is configured for '" + visibility.getType()
-//                    + "' but doesn't have any allowed list provided!");
-//        }
-//        boolean isTransactionStarted = false;
-//        try {
-//            isTransactionStarted = ConnectionManagerUtil.isTransactionStarted();
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.beginDBTransaction();
-//            }
-//            VisibilityDAO visibilityDAO = ApplicationManagementDAOFactory.getVisibilityDAO();
-//            int visibilityTypeId = visibilityDAO.getVisibilityID(visibility.getType());
-//            visibilityDAO.delete(applicationID);
-//            visibilityDAO.add(applicationID, visibilityTypeId, visibility.getAllowedList());
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.commitDBTransaction();
-//            }
-//            return visibility;
-//        } catch (ApplicationManagementException e) {
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.rollbackDBTransaction();
-//            }
-//            throw new VisibilityManagementException("Problem occured when trying to fetch the application with ID - "
-//                    + applicationID, e);
-//        } finally {
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.closeDBConnection();
-//            }
-//        }
-    }
-
-    @Override
-    public List<UnrestrictedRole> getUnrestrictedRoles(int applicationID, int tenantId) throws VisibilityManagementException {
-        try {
-            VisibilityDAO visibilityDAO = ApplicationManagementDAOFactory.getVisibilityDAO();
-            List<UnrestrictedRole> unrestrictedRoles = visibilityDAO.getUnrestrictedRoles(applicationID, tenantId);
-            if (unrestrictedRoles == null) {
-                return null;
-            }
-            return unrestrictedRoles;
-        } catch (ApplicationManagementException e) {
-            throw new VisibilityManagementException("Problem occured when trying to fetch the application with ID - "
-                    + applicationID, e);
-        }
-    }
-
-    @Override
-    public void remove(int applicationID) throws VisibilityManagementException {
-//        boolean isTransactionStarted = false;
-//        try {
-//            isTransactionStarted = ConnectionManagerUtil.isTransactionStarted();
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.beginDBTransaction();
-//            }
-//            VisibilityDAO visibilityDAO = ApplicationManagementDAOFactory.getVisibilityDAO();
-//            visibilityDAO.delete(applicationID);
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.commitDBTransaction();
-//            }
-//        } catch (ApplicationManagementException e) {
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.rollbackDBTransaction();
-//            }
-//            throw new VisibilityManagementException("Problem occurred when trying to fetch the application with ID - "
-//                    + applicationID, e);
-//        } finally {
-//            if (!isTransactionStarted) {
-//                ConnectionManagerUtil.closeDBConnection();
-//            }
-//        }
-    }
-
-}

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/ApplicationManagementServiceComponent.java

@@ -22,15 +22,12 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.osgi.framework.BundleContext;
 import org.osgi.service.component.ComponentContext;
-import org.wso2.carbon.device.application.mgt.common.exception.InvalidConfigurationException;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationStorageManager;
 import org.wso2.carbon.device.application.mgt.common.services.ReviewManager;
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
-import org.wso2.carbon.device.application.mgt.common.services.UnrestrictedRoleManager;
 import org.wso2.carbon.device.application.mgt.core.config.ConfigurationManager;
 import org.wso2.carbon.device.application.mgt.core.dao.common.ApplicationManagementDAOFactory;
-import org.wso2.carbon.device.application.mgt.core.exception.ApplicationManagementDAOException;
 import org.wso2.carbon.device.application.mgt.core.lifecycle.LifecycleStateManger;
 import org.wso2.carbon.device.application.mgt.core.lifecycle.config.LifecycleState;
 import org.wso2.carbon.device.application.mgt.core.util.ApplicationManagementUtil;
@@ -38,7 +35,6 @@ import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.ndatasource.core.DataSourceService;
 import org.wso2.carbon.user.core.service.RealmService;
 
-import javax.naming.NamingException;
 import java.util.List;
 
 /**
@@ -90,10 +86,6 @@ public class ApplicationManagementServiceComponent {
             DataHolder.getInstance().setSubscriptionManager(subscriptionManager);
             bundleContext.registerService(SubscriptionManager.class.getName(), subscriptionManager, null);
 
-            UnrestrictedRoleManager unrestrictedRoleManager = ApplicationManagementUtil.getVisibilityManagerInstance();
-            DataHolder.getInstance().setVisibilityManager(unrestrictedRoleManager);
-            bundleContext.registerService(UnrestrictedRoleManager.class.getName(), unrestrictedRoleManager, null);
-
             ApplicationStorageManager applicationStorageManager = ApplicationManagementUtil
                     .getApplicationStorageManagerInstance();
             DataHolder.getInstance().setApplicationStorageManager(applicationStorageManager);

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/internal/DataHolder.java

@@ -22,7 +22,6 @@ import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationStorageManager;
 import org.wso2.carbon.device.application.mgt.common.services.ReviewManager;
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
-import org.wso2.carbon.device.application.mgt.common.services.UnrestrictedRoleManager;
 import org.wso2.carbon.device.application.mgt.core.lifecycle.LifecycleStateManger;
 import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
 import org.wso2.carbon.user.core.service.RealmService;
@@ -42,8 +41,6 @@ public class DataHolder {
 
     private SubscriptionManager subscriptionManager;
 
-    private UnrestrictedRoleManager unrestrictedRoleManager;
-
     private ApplicationStorageManager applicationStorageManager;
 
     private LifecycleStateManger lifecycleStateManger;
@@ -90,14 +87,6 @@ public class DataHolder {
         this.subscriptionManager = subscriptionManager;
     }
 
-    public UnrestrictedRoleManager getVisibilityManager() {
-        return unrestrictedRoleManager;
-    }
-
-    public void setVisibilityManager(UnrestrictedRoleManager unrestrictedRoleManager) {
-        this.unrestrictedRoleManager = unrestrictedRoleManager;
-    }
-
     public RealmService getRealmService() {
         return realmService;
     }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/lifecycle/LifecycleStateManger.java

@@ -26,9 +26,6 @@ public class LifecycleStateManger {
     }
 
     public boolean isValidStateChange(String currentState, String nextState) {
-        if (lifecycleStates.get(currentState).getProceedingStates().contains(nextState)) {
+        return lifecycleStates.get(currentState).getProceedingStates().contains(nextState);
-            return true;
-        }
-        return false;
     }
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java

@@ -25,7 +25,6 @@ import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationStorageManager;
 import org.wso2.carbon.device.application.mgt.common.services.ReviewManager;
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
-import org.wso2.carbon.device.application.mgt.common.services.UnrestrictedRoleManager;
 import org.wso2.carbon.device.application.mgt.core.config.ConfigurationManager;
 import org.wso2.carbon.device.application.mgt.core.config.Extension;
 
@@ -51,12 +50,6 @@ public class ApplicationManagementUtil {
         return getInstance(extension, ReviewManager.class);
     }
 
-    public static UnrestrictedRoleManager getVisibilityManagerInstance() throws InvalidConfigurationException {
-        ConfigurationManager configurationManager = ConfigurationManager.getInstance();
-        Extension extension = configurationManager.getExtension(Extension.Name.VisibilityManager);
-        return getInstance(extension, UnrestrictedRoleManager.class);
-    }
-
     public static SubscriptionManager getSubscriptionManagerInstance() throws InvalidConfigurationException {
         ConfigurationManager configurationManager = ConfigurationManager.getInstance();
         Extension extension = configurationManager.getExtension(Extension.Name.SubscriptionManager);

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/test/resources/application-mgt.xml

@@ -23,39 +23,18 @@
     <DatasourceName>jdbc/APPM_DS</DatasourceName>
 
     <Extensions>
-        <Extension name="ApplicationUploadManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationUploadManagerImpl</ClassName>
-            <Parameters>
-                <Parameter name="UploadPath">repository/resources/mobileapps</Parameter>
-            </Parameters>
-        </Extension>
         <Extension name="ApplicationManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationManagerImpl</ClassName>
         </Extension>
-        <Extension name="ApplicationReleaseManager">
+        <Extension name="ReviewManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationReleaseManagerImpl</ClassName>
-        </Extension>
-        <Extension name="CategoryManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.CategoryManagerImpl</ClassName>
-        </Extension>
-        <Extension name="CommentsManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ReviewManagerImpl</ClassName>
         </Extension>
         <Extension name="LifecycleStateManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.LifecycleStateManagerImpl</ClassName>
+            <ClassName>org.wso2.carbon.device.application.mgt.core.lifecycle.LifecycleStateManger</ClassName>
-        </Extension>
-        <Extension name="PlatformManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.PlatformManagerImpl</ClassName>
         </Extension>
         <Extension name="SubscriptionManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.SubscriptionManagerImpl</ClassName>
         </Extension>
-        <Extension name="VisibilityManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.UnrestrictedRoleManagerImpl</ClassName>
-        </Extension>
-        <Extension name="VisibilityTypeManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.VisibilityTypeManagerImpl</ClassName>
-        </Extension>
     </Extensions>
 
     <LifecycleStates>

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

@@ -37,7 +37,6 @@ public class APIUtil {
     private static ApplicationManager applicationManager;
     private static ApplicationStorageManager applicationStorageManager;
     private static SubscriptionManager subscriptionManager;
-    private static UnrestrictedRoleManager unrestrictedRoleManager;
 
     public static ApplicationManager getApplicationManager() {
         if (applicationManager == null) {
@@ -116,26 +115,4 @@ public class APIUtil {
         return subscriptionManager;
     }
 
-    /**
-     * To get the Unrestricted Role manager from the osgi context.
-     * @return Unrestricted Role manager instance in the current osgi context.
-     */
-    public static UnrestrictedRoleManager getUnrestrictedRoleManager() {
-        if (unrestrictedRoleManager == null) {
-            synchronized (APIUtil.class) {
-                if (unrestrictedRoleManager == null) {
-                    PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
-                    unrestrictedRoleManager =
-                            (UnrestrictedRoleManager) ctx.getOSGiService(UnrestrictedRoleManager.class, null);
-                    if (unrestrictedRoleManager == null) {
-                        String msg = "Subscription Manager service has not initialized.";
-                        log.error(msg);
-                        throw new IllegalStateException(msg);
-                    }
-                }
-            }
-        }
-
-        return unrestrictedRoleManager;
-    }
 }

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

@@ -28,23 +28,16 @@ import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.Info;
 import io.swagger.annotations.SwaggerDefinition;
 import io.swagger.annotations.Tag;
-import org.apache.cxf.jaxrs.ext.multipart.Attachment;
-import org.apache.cxf.jaxrs.ext.multipart.Multipart;
 import org.wso2.carbon.apimgt.annotations.api.Scope;
 import org.wso2.carbon.apimgt.annotations.api.Scopes;
 import org.wso2.carbon.device.application.mgt.common.Filter;
 import org.wso2.carbon.device.application.mgt.publisher.api.beans.ErrorResponse;
 import org.wso2.carbon.device.application.mgt.common.Application;
 import org.wso2.carbon.device.application.mgt.common.ApplicationList;
-import org.wso2.carbon.device.application.mgt.common.ApplicationRelease;
 
-import java.util.List;
 import javax.validation.Valid;
 import javax.ws.rs.Consumes;
-import javax.ws.rs.DELETE;
 import javax.ws.rs.GET;
-import javax.ws.rs.POST;
-import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
@@ -53,22 +46,22 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 
 /**
- * APIs to handle application management related tasks.
+ * APIs to handle application storage management related tasks.
  */
 @SwaggerDefinition(
         info = @Info(
                 version = "1.0.0",
-                title = "Application Management Service",
+                title = "Application Storage Management Service",
                 extensions = {
                         @Extension(properties = {
-                                @ExtensionProperty(name = "name", value = "ApplicationManagementService"),
+                                @ExtensionProperty(name = "name", value = "ApplicationStorageManagementService"),
-                                @ExtensionProperty(name = "context", value = "/api/application-mgt/v1.0/applications"),
+                                @ExtensionProperty(name = "context", value = "/api/application-mgt/v1.0/store-applications"),
                         })
                 }
         ),
         tags = {
-                @Tag(name = "application_management, device_management", description = "Application Management related "
+                @Tag(name = "application_management, device_management", description = "Application Storage Management "
-                        + "APIs")
+                        + "related APIs")
         }
 )
 @Scopes(

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

@@ -30,6 +30,7 @@ import io.swagger.annotations.ApiResponse;
 import io.swagger.annotations.ApiResponses;
 import org.wso2.carbon.apimgt.annotations.api.Scope;
 import org.wso2.carbon.apimgt.annotations.api.Scopes;
+import org.wso2.carbon.device.application.mgt.common.PaginationResult;
 import org.wso2.carbon.device.application.mgt.publisher.api.beans.ErrorResponse;
 import org.wso2.carbon.device.application.mgt.common.Review;
 import javax.validation.Valid;
@@ -47,7 +48,7 @@ import javax.ws.rs.core.Response;
 import java.util.List;
 
         /**
-        * APIs to handle comment management related tasks.
+        * APIs to handle review management related tasks.
         */
 
 @SwaggerDefinition(
@@ -56,51 +57,36 @@ import java.util.List;
                 title = "Store Management Service",
                 extensions = {
                         @Extension(properties = {
-                                @ExtensionProperty(name = "name", value = "CommentManagementService"),
+                                @ExtensionProperty(name = "name", value = "ReviewManagementService"),
-                                @ExtensionProperty(name = "context", value = "/api/application-mgt/v1.0/comments"),
+                                @ExtensionProperty(name = "context", value = "/api/application-mgt/v1.0/review"),
                         })
                 }
         ),
         tags = {
-                @Tag(name = "store_management", description = "Review Management related "
+                @Tag(name = "store_management", description = "Review Management related APIs")
-                        + "APIs")
         }
 )
 @Scopes(
         scopes = {
                 @Scope(
-                        name = "Get Comments Details",
+                        name = "Get Review Details",
-                        description = "Get comments details",
+                        description = "Get review details",
-                        key = "perm:comment:get",
+                        key = "perm:app:review:view",
-                        permissions = {"/device-mgt/comment/get"}
+                        permissions = {"/device-mgt/review/view"}
-                ),
-                @Scope(
-                        name = "Add a Review",
-                        description = "Add a comment",
-                        key = "perm:comment:add",
-                        permissions = {"/device-mgt/comment/add"}
                 ),
                 @Scope(
                         name = "Update a Review",
-                        description = "Update a Review",
+                        description = "Update a comment",
-                        key = "perm:comment:update",
+                        key = "perm:app:review:update",
-                        permissions = {"/device-mgt/comment/update"}
+                        permissions = {"/device-mgt/review/update"}
-                ),
-
-                @Scope(
-                        name = "Delete a Review",
-                        description = "Delete a comment",
-                        key = "perm:comment:delete",
-                        permissions = {"/device-mgt/comment/delete"}
                 ),
         }
 )
 
 @Path("/review")
-@Api(value = "Comments Management", description = "This API carries all comments management related operations " +
+@Api(value = "Review Management", description = "This API carries all review management related operations such as get "
-        "such as get all the comments, add comment, etc.")
+        + "all the reviews, add review, etc.")
 @Produces(MediaType.APPLICATION_JSON)
-
 public interface ReviewManagementAPI {
     String SCOPE = "scope";
 
@@ -110,12 +96,12 @@ public interface ReviewManagementAPI {
     @ApiOperation(
             produces = MediaType.APPLICATION_JSON,
             httpMethod = "GET",
-            value = "get comments",
+            value = "get reviews",
-            notes = "Get all comments",
+            notes = "Get all reviews",
             tags = "Store Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:store:get")
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:review:view")
                     })
             }
     )
@@ -124,36 +110,30 @@ public interface ReviewManagementAPI {
             value = {
                     @ApiResponse(
                             code = 200,
-                            message = "OK. \n Successfully retrieved comments.",
+                            message = "OK. \n Successfully retrieved reviews.",
-                            response = List.class,
+                            response = PaginationResult.class,
-                            responseContainer = "List"),
+                            responseContainer = "PaginationResult"),
-                    @ApiResponse(
-                            code = 404,
-                            message = "Not Found. \n No activity found with the given ID.",
-                            response = ErrorResponse.class),
                     @ApiResponse(
                             code = 500,
-                            message = "Internal Server Error. \n Error occurred while getting the comment list.",
+                            message = "Internal Server Error. \n Error occurred while getting the review list.",
                             response = ErrorResponse.class)
             })
 
     Response getAllReviews(
             @ApiParam(
                     name="uuid",
-                    value="uuid of the released version of application.",
+                    value="uuid of the application release.",
                     required = true)
             @PathParam("uuid")
                     String uuid,
             @ApiParam(
                     name="offSet",
-                    value="Starting comment number.",defaultValue = "1",
+                    value="Starting review number.",defaultValue = "0")
-                    required = false)
             @QueryParam("offSet")
                     int offSet,
             @ApiParam(
                     name="limit",
-                    value = "Limit of paginated comments",defaultValue = "20",
+                    value = "Limit of paginated reviews",defaultValue = "20")
-                    required = false)
             @QueryParam("limit")
                     int limit);
 
@@ -170,7 +150,7 @@ public interface ReviewManagementAPI {
             tags = "Store Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:store:add")
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:review:update")
                     })
             }
     )
@@ -215,23 +195,19 @@ public interface ReviewManagementAPI {
             tags = "Store Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:store:edit")
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:review:update")
                     })
             }
     )
     @ApiResponses(
             value = {
                     @ApiResponse(
-                            code = 201,
+                            code = 200,
                             message = "OK. \n Successfully updated review.",
                             response = Review.class),
                     @ApiResponse(
                             code = 400,
                             message = "Bad Request. \n Invalid request or validation error."),
-                    @ApiResponse(
-                            code = 404,
-                            message = "Not Found. \n No activity found with the given ID.",
-                            response = ErrorResponse.class),
                     @ApiResponse(
                             code = 500,
                             message = "Internal Server Error. \n Error occurred while updating the new review.",
@@ -267,7 +243,7 @@ public interface ReviewManagementAPI {
             tags = "Store Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:store:remove")
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:review:update")
                     })
             }
     )
@@ -276,14 +252,14 @@ public interface ReviewManagementAPI {
             value = {
                     @ApiResponse(
                             code = 200,
-                            message = "OK. \n Successfully deleted the comment"),
+                            message = "OK. \n Successfully deleted the review"),
                     @ApiResponse(
                             code = 404,
                             message = "Not Found. \n No activity found with the given ID.",
                             response = ErrorResponse.class),
                     @ApiResponse(
                             code = 500,
-                            message = "Internal Server Error. \n Error occurred while deleting the comment.",
+                            message = "Internal Server Error. \n Error occurred while deleting the review.",
                             response = ErrorResponse.class)
             })
 
@@ -300,17 +276,17 @@ public interface ReviewManagementAPI {
             @PathParam("reviewId") int reviewId);
 
     @GET
-    @Path("/{uuid}/{stars}")
+    @Path("/{uuid}/rating")
     @Produces(MediaType.APPLICATION_JSON)
     @ApiOperation(
             produces = MediaType.APPLICATION_JSON,
             httpMethod = "GET",
-            value = "get stars",
+            value = "get ratings",
-            notes = "Get all stars",
+            notes = "Get all ratings",
             tags = "Store Management",
             extensions = {
                     @Extension(properties = {
-                            @ExtensionProperty(name = SCOPE, value = "perm:stars:get")
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:review:view")
                     })
             }
     )
@@ -319,12 +295,12 @@ public interface ReviewManagementAPI {
             value = {
                     @ApiResponse(
                             code = 200,
-                            message = "OK. \n Successfully retrieved stars.",
+                            message = "OK. \n Successfully retrieved ratings.",
                             response = List.class,
                             responseContainer = "List"),
                     @ApiResponse(
                             code = 500,
-                            message = "Internal Server Error. \n Error occurred while getting the stars",
+                            message = "Internal Server Error. \n Error occurred while getting ratings",
                             response = ErrorResponse.class)
             })
 

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

@@ -15,7 +15,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.wso2.carbon.device.application.mgt.publisher.api.services;
+package org.wso2.carbon.device.application.mgt.store.api.services;
 
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;

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

@@ -25,6 +25,8 @@ import org.wso2.carbon.device.application.mgt.common.Application;
 import org.wso2.carbon.device.application.mgt.common.PaginationResult;
 import org.wso2.carbon.device.application.mgt.common.Rating;
 import org.wso2.carbon.device.application.mgt.common.Review;
+import org.wso2.carbon.device.application.mgt.common.exception.RequestValidatingException;
+import org.wso2.carbon.device.application.mgt.common.exception.ReviewDoesNotExistException;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager;
 import org.wso2.carbon.device.application.mgt.common.services.ReviewManager;
 import org.wso2.carbon.device.application.mgt.store.api.APIUtil;
@@ -106,6 +108,10 @@ public class ReviewManagementAPIImpl implements ReviewManagementAPI {
             log.error("Error occured while getting the application for application UUID: " + uuid);
             return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
                     .entity("").build();
+        } catch (RequestValidatingException e) {
+            String msg = "Error occurred while adding for application release. UUID of the application release: " + uuid;
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
         }
     }
 
@@ -119,7 +125,7 @@ public class ReviewManagementAPIImpl implements ReviewManagementAPI {
             @PathParam("reviewId") int reviewId) {
         ReviewManager reviewManager = APIUtil.getReviewManager();
         try {
-            if (reviewManager.updateReview(review, reviewId, uuid, true)) {
+            if (reviewManager.updateReview(review, reviewId, uuid, null)) {
                 return Response.status(Response.Status.OK).entity(review).build();
             } else {
                 String msg = "Review updating failed. Please contact the administrator";
@@ -130,6 +136,10 @@ public class ReviewManagementAPIImpl implements ReviewManagementAPI {
             String msg = "Error occurred while retrieving comments.";
             log.error(msg, e);
             return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        } catch (RequestValidatingException e) {
+            String msg = "Error occurred while updating review. Review id: " + reviewId;
+            log.error(msg, e);
+            return Response.status(Response.Status.BAD_REQUEST).entity(msg).build();
         }
     }
 
@@ -142,9 +152,7 @@ public class ReviewManagementAPIImpl implements ReviewManagementAPI {
 
         ReviewManager reviewManager = APIUtil.getReviewManager();
         try {
-            if (reviewId == 0) {
+            if (reviewManager.deleteReview(uuid, reviewId)) {
-                return Response.status(Response.Status.NOT_FOUND).entity("Review not found").build();
-            } else if (reviewManager.deleteReview(uuid, reviewId)) {
                 return Response.status(Response.Status.OK).entity("Review is deleted successfully.").build();
             } else {
                 return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity("Review deleting is failed.")
@@ -154,6 +162,10 @@ public class ReviewManagementAPIImpl implements ReviewManagementAPI {
             String msg = "Error occurred while deleting the comment.";
             log.error(msg, e);
             return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        } catch (ReviewDoesNotExistException e) {
+            String msg = "Couldn't find a review for review-id: " + reviewId + " to delete.";
+            log.error(msg, e);
+            return Response.status(Response.Status.NOT_FOUND).entity(msg).build();
         }
     }
 

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

@@ -23,18 +23,16 @@ import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.application.mgt.common.ApplicationInstallResponse;
 import org.wso2.carbon.device.application.mgt.common.EnterpriseInstallationDetails;
 import org.wso2.carbon.device.application.mgt.store.api.APIUtil;
-import org.wso2.carbon.device.application.mgt.publisher.api.services.SubscriptionManagementAPI;
+import org.wso2.carbon.device.application.mgt.store.api.services.SubscriptionManagementAPI;
 import org.wso2.carbon.device.application.mgt.common.InstallationDetails;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
 import org.wso2.carbon.device.application.mgt.common.services.SubscriptionManager;
-import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
 
 import javax.validation.Valid;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.Response;
-import java.util.HashMap;
 import java.util.List;
 
 /**

features/application-mgt/org.wso2.carbon.device.application.mgt.server.feature/src/main/resources/conf/application-mgt.xml

@@ -25,27 +25,15 @@
         <Extension name="ApplicationManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationManagerImpl</ClassName>
         </Extension>
-        <Extension name="ApplicationReleaseManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationReleaseManagerImpl</ClassName>
-        </Extension>
-        <Extension name="CategoryManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.CategoryManagerImpl</ClassName>
-        </Extension>
         <Extension name="ReviewManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ReviewManagerImpl</ClassName>
         </Extension>
         <Extension name="LifecycleStateManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.LifecycleStateManagerImpl</ClassName>
+            <ClassName>org.wso2.carbon.device.application.mgt.core.lifecycle.LifecycleStateManger</ClassName>
-        </Extension>
-        <Extension name="PlatformManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.PlatformManagerImpl</ClassName>
         </Extension>
         <Extension name="SubscriptionManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.SubscriptionManagerImpl</ClassName>
         </Extension>
-        <Extension name="VisibilityManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.UnrestrictedRoleManagerImpl</ClassName>
-        </Extension>
         <Extension name="ApplicationStorageManager">
             <ClassName>org.wso2.carbon.device.application.mgt.core.impl.ApplicationStorageManagerImpl</ClassName>
             <Parameters>
@@ -53,12 +41,6 @@
                 <Parameter name="MaxScreenShotCount">6</Parameter>
             </Parameters>
         </Extension>
-        <Extension name="PlatformStorageManager">
-            <ClassName>org.wso2.carbon.device.application.mgt.core.impl.PlatformStorageManagerImpl</ClassName>
-            <Parameters>
-                <Parameter name="StoragePath">repository/resources/platforms</Parameter>
-            </Parameters>
-        </Extension>
     </Extensions>
 
     <!-- This is for publisher lifecycle -->