Improve app manager functionalities

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

@@ -60,10 +60,6 @@ public class ApplicationRelease {
             value = "icon file storing location")
     private String iconLoc;
 
-    @ApiModelProperty(name = "applicationCreator",
-            value = "Application release creator")
-    private String applicationCreator;
-
     @ApiModelProperty(name = "releaseType",
             value = "Release type of the application release",
             required = true,
@@ -229,14 +225,6 @@ public class ApplicationRelease {
         this.screenshotLoc3 = screenshotLoc3;
     }
 
-    public String getApplicationCreator() {
-        return applicationCreator;
-    }
-
-    public void setApplicationCreator(String applicationCreator) {
-        this.applicationCreator = applicationCreator;
-    }
-
     public String getIconLoc() {
         return iconLoc;
     }

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

@@ -169,7 +169,6 @@ public class Util {
         appRelease.setAppHashValue(rs.getString("APP_HASH_VALUE"));
         appRelease.setAppStoredLoc(rs.getString("STORED_LOCATION"));
         appRelease.setBannerLoc(rs.getString("BANNER_LOCATION"));
-        appRelease.setApplicationCreator(rs.getString("CREATED_BY"));
         appRelease.setRating(rs.getDouble("RATING"));
         appRelease.setIsSharedWithAllTenants(rs.getInt("SHARED_WITH_ALL_TENANTS"));
         appRelease.setMetaData(rs.getString("APP_META_INFO"));

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

@@ -34,7 +34,9 @@ import java.sql.SQLException;
 import java.sql.ResultSet;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
+import java.sql.Timestamp;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 
 /**
@@ -53,18 +55,23 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
         }
         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,CREATED_AT, MODIFIES_AT,"
-                + "VALUES (?,?,?,?,(SELECT ID FROM AP_APP_RELEASE WHERE UUID= ?),"
+                + " 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 {
+            Calendar calendar = Calendar.getInstance();
+            Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
+
             Connection conn = this.getDBConnection();
             statement = conn.prepareStatement(sql, new String[] { "id" });
             statement.setInt(1, tenantId);
             statement.setString(2, review.getComment());
             statement.setInt(3, review.getParentId());
             statement.setString(4, review.getUsername());
-            statement.setString(5,uuid);
+            statement.setTimestamp(5,timestamp);
-            statement.setString(6,uuid);
+            statement.setTimestamp(6,timestamp);
+            statement.setString(7,uuid);
+            statement.setString(8,uuid);
             statement.executeUpdate();
             rs = statement.getGeneratedKeys();
             return rs.next();
@@ -134,15 +141,19 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
         Connection connection;
         PreparedStatement statement = null;
         ResultSet rs = null;
-        sql = "UPDATE AP_APP_REVIEW SET COMMENT=?, RATING=? WHERE ID=? AND USERNAME=? AND TENANT_ID=?;";
+        sql = "UPDATE AP_APP_REVIEW SET COMMENT=?, RATING=?, MODIFIED_AT=? WHERE ID=? AND USERNAME=? AND TENANT_ID=?;";
         try {
+            Calendar calendar = Calendar.getInstance();
+            Timestamp timestamp = new Timestamp(calendar.getTime().getTime());
+
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
             statement.setString(1, review.getComment());
             statement.setInt(2, review.getRating());
-            statement.setInt(3, reviewId);
+            statement.setTimestamp(3, timestamp);
-            statement.setString(4, username);
+            statement.setInt(4, reviewId);
-            statement.setInt(5, tenantId);
+            statement.setString(5, username);
+            statement.setInt(6, tenantId);
             return statement.executeUpdate();
         } catch (SQLException e) {
             throw new ReviewManagementDAOException("Error occurred while executing review updating query");
@@ -206,7 +217,7 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
             conn = this.getDBConnection();
             sql = "SELECT AP_APP_REVIEW.ID AS ID, AP_APP_REVIEW.COMMENT AS COMMENT, "
                     + "AP_APP_REVIEW.CREATED_AT AS CREATED_AT, AP_APP_REVIEW.MODIFIED_AT AS MODIFIED_AT, "
-                    + "AP_APP_REVIEW.USERNAME AS USERNAME AP_APP_REVIEW.PARENT_ID AS PARENT_ID "
+                    + "AP_APP_REVIEW.USERNAME AS USERNAME, AP_APP_REVIEW.PARENT_ID AS PARENT_ID "
                     + "FROM AP_APP_REVIEW, AP_APP_RELEASE WHERE AP_APP_REVIEW.AP_APP_RELEASE_ID=AP_APP_RELEASE.ID AND "
                     + "AP_APP_RELEASE.UUID =? AND AP_APP_REVIEW.TENANT_ID = ? AND "
                     + "AP_APP_REVIEW.TENANT_ID = AP_APP_RELEASE.TENANT_ID LIMIT ? OFFSET ?;";
@@ -230,7 +241,7 @@ public class ReviewDAOImpl extends AbstractDAOImpl implements ReviewDAO {
             throw new ReviewManagementDAOException(
                     "Error occurred while obtaining the DB connection when verifying application existence", e);
         } catch (SQLException e) {
-            throw new ReviewManagementDAOException("Error occurred while adding unrestricted roles", e);
+            throw new ReviewManagementDAOException("DB connection error occurred while getting all reviews", e);
         }finally {
             Util.cleanupResources(statement, rs);
         }

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

@@ -116,7 +116,8 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
             throw new ApplicationManagementDAOException(
                     "Error occurred while obtaining the DB connection when verifying application existence", e);
         } catch (SQLException e) {
-            throw new ApplicationManagementDAOException("Error occurred while adding unrestricted roles", e);
+            throw new ApplicationManagementDAOException(
+                    "DB connection error occured while checking whether application exist or not.", e);
         } finally {
             Util.cleanupResources(stmt, rs);
         }

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

@@ -21,22 +21,18 @@ package org.wso2.carbon.device.application.mgt.core.dao.impl.application.release
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.json.JSONException;
-import org.wso2.carbon.device.application.mgt.common.Application;
 import org.wso2.carbon.device.application.mgt.common.ApplicationRelease;
 import org.wso2.carbon.device.application.mgt.common.Rating;
 import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
 import org.wso2.carbon.device.application.mgt.core.dao.ApplicationReleaseDAO;
 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.dao.impl.application.GenericApplicationDAOImpl;
 import org.wso2.carbon.device.application.mgt.core.exception.ApplicationManagementDAOException;
 
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -65,8 +61,8 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
 
         String sql = "INSERT INTO AP_APP_RELEASE (VERSION,TENANT_ID,UUID,RELEASE_TYPE, PACKAGE_NAME, APP_PRICE,"
                 + "STORED_LOCATION, BANNER_LOCATION, SC_1_LOCATION,SC_2_LOCATION,SC_3_LOCATION, APP_HASH_VALUE,"
-                + "SHARED_WITH_ALL_TENANTS, APP_META_INFO,CREATED_BY,AP_APP_ID) "
+                + "SHARED_WITH_ALL_TENANTS, APP_META_INFO,AP_APP_ID) "
-                + "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, ?);";
+                + "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?);";
 
         int index = 0;
         String generatedColumns[] = {"ID"};
@@ -87,7 +83,6 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
             statement.setString(++index, applicationRelease.getAppHashValue());
             statement.setInt(++index, applicationRelease.getIsSharedWithAllTenants());
             statement.setString(++index, applicationRelease.getMetaData());
-            statement.setString(++index, applicationRelease.getApplicationCreator());
             statement.setInt(++index, appId);
             statement.executeUpdate();
             resultSet = statement.getGeneratedKeys();
@@ -107,7 +102,7 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
     }
 
     /**
-     * To get release details of a specific application.
+     * To get latest updated app release details of a specific application.
      *
      * @param applicationName Name of the application.
      * @param applicationType Type of the application.
@@ -123,16 +118,15 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
         Connection connection;
         PreparedStatement statement = null;
         ResultSet resultSet = null;
-        String sql = "SELECT AR.ID AS RELESE_ID, AR.VERSION AS RELEASE_VERSION, AR.UUID, AR.RELEASE_TYPE, "
+        String sql = "SELECT AR.ID AS RELESE_ID, AR.VERSION AS RELEASE_VERSION, AR.UUID AS UUID, AR.RELEASE_TYPE AS "
-                + "AR.PACKAGE_NAME AS PACKAGE_NAME, AR.APP_PRICE, AR.STORED_LOCATION, AR.BANNER_LOCATION, "
+                + "RELEASE_TYPE, AR.PACKAGE_NAME AS PACKAGE_NAME, AR.APP_PRICE AS APP_PRICE, AR.STORED_LOCATION AS "
-                + "AR.SC_1_LOCATION AS SCREEN_SHOT_1, AR.SC_2_LOCATION AS SCREEN_SHOT_2, AR.SC_3_LOCATION AS "
+                + "STORED_LOCATION, AR.BANNER_LOCATION AS BANNER_LOCATION, AR.SC_1_LOCATION AS SCREEN_SHOT_1, "
-                + "SCREEN_SHOT_3, AR.APP_HASH_VALUE AS HASH_VALUE, AR.SHARED_WITH_ALL_TENANTS AS SHARED, "
+                + "AR.SC_2_LOCATION AS SCREEN_SHOT_2, AR.SC_3_LOCATION AS SCREEN_SHOT_3, AR.APP_HASH_VALUE AS "
-                + "AR.APP_META_INFO, AR.CREATED_BY, AR.CREATED_AT, AR.PUBLISHED_BY, AR.PUBLISHED_AT, AR.STARS, "
+                + "HASH_VALUE, AR.SHARED_WITH_ALL_TENANTS AS SHARED, AR.APP_META_INFO AS APP_META_INFO , "
-                + "AL.CURRENT_STATE, AL.PREVIOUSE_STATE, AL.UPDATED_BY, AL.UPDATED_AT FROM "
+                + "AR.RATING AS RATING, AL.CURRENT_STATE, AL.PREVIOUS_STATE, AL.UPDATED_BY, AL.UPDATED_AT FROM "
-                + "AP_APP_RELEASE AS AR, AP_APP_LIFECYCLE_STATE AS AL WHERE "
+                + "AP_APP_RELEASE AS AR, AP_APP_LIFECYCLE_STATE AS AL WHERE AR.AP_APP_ID=(SELECT ID FROM AP_APP WHERE "
-                + "AR.AP_APP_ID=(SELECT ID FROM AP_APP WHERE NAME=? AND TYPE=? AND TENANT_ID=?) "
+                + "NAME=? AND TYPE=? AND TENANT_ID=?) AND AR.VERSION=? AND AR.RELEASE_TYPE=? AND "
-                + "AND AR.VERSION=? AND AR.RELEASE_TYPE=? AND AL.AP_APP_RELEASE_ID=AR.ID "
+                + "AL.AP_APP_RELEASE_ID=AR.ID AND AL.TENANT_ID=AR.TENANT_ID ORDER BY AL.UPDATED_AT DESC;";
-                + "AND AL.TENANT_ID=AR.TENANT_ID ORDER BY AL.UPDATED_AT DESC;";
 
         try {
             connection = this.getDBConnection();
@@ -179,7 +173,7 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
                 + " AR.STORED_LOCATION, AR.BANNER_LOCATION, AR.SC_1_LOCATION AS SCREEN_SHOT_1, "
                 + "AR.SC_2_LOCATION AS SCREEN_SHOT_2, AR.SC_3_LOCATION AS SCREEN_SHOT_3, AR.APP_HASH_VALUE AS " +
                 "HASH_VALUE, AR.SHARED_WITH_ALL_TENANTS AS SHARED, AR.APP_META_INFO, AR.CREATED_BY, AR.CREATED_AT, AR" +
-                ".PUBLISHED_BY, AR.PUBLISHED_AT, AR.STARS, AL.CURRENT_STATE, AL.PREVIOUSE_STATE, AL.UPDATED_BY, " +
+                ".PUBLISHED_BY, AR.PUBLISHED_AT, AR.STARS, AL.CURRENT_STATE, AL.PREVIOUS_STATE, AL.UPDATED_BY, " +
                 "AL.UPDATED_AT FROM AP_APP_RELEASE AS AR, AP_APP_LIFECYCLE_STATE AS AL WHERE " +
                 "AR.AP_APP_ID = ? AND AR.UUID = ? AND AR.TENANT_ID = ? AND AL.AP_APP_RELEASE_ID=AR.ID AND " +
                 "AL.TENANT_ID = AR.TENANT_ID ORDER BY AL.UPDATED_AT DESC;";
@@ -226,13 +220,13 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
         PreparedStatement statement = null;
         ResultSet resultSet = null;
         List<ApplicationRelease> applicationReleases = new ArrayList<>();
-        String sql = "SELECT AR.ID AS RELESE_ID, AR.VERSION AS RELEASE_VERSION, AR.UUID, AR.RELEASE_TYPE, AR.APP_PRICE,"
+        String sql = "SELECT AR.ID AS RELESE_ID, AR.VERSION AS RELEASE_VERSION, AR.UUID, AR.RELEASE_TYPE "
-                + " AR.STORED_LOCATION, AR.BANNER_LOCATION, AR.SC_1_LOCATION AS SCREEN_SHOT_1, AR.SC_2_LOCATION AS "
+                + "AS RELEASE_TYPE, AR.PACKAGE_NAME AS PACKAGE_NAME, AR.APP_PRICE, AR.STORED_LOCATION, "
-                + "SCREEN_SHOT_2, AR.SC_3_LOCATION AS SCREEN_SHOT_3, AR.APP_HASH_VALUE AS HASH_VALUE, "
+                + "AR.BANNER_LOCATION, AR.SC_1_LOCATION AS SCREEN_SHOT_1, AR.SC_2_LOCATION AS SCREEN_SHOT_2, "
-                + "AR.SHARED_WITH_ALL_TENANTS AS SHARED, AR.APP_META_INFO, AR.CREATED_BY, AR.CREATED_AT, "
+                + "AR.SC_3_LOCATION AS SCREEN_SHOT_3, AR.APP_HASH_VALUE AS HASH_VALUE, "
-                + "AR.PUBLISHED_BY, AR.PUBLISHED_AT, AR.STARS, AR.RATING FROM AP_APP_RELEASE AS "
+                + "AR.SHARED_WITH_ALL_TENANTS AS SHARED, AR.APP_META_INFO AS APP_META_INFO, "
-                + "AR where AR.AP_APP_ID=(SELECT ID FROM AP_APP WHERE NAME = ? AND TYPE = ? "
+                + "AR.RATING AS RATING FROM AP_APP_RELEASE AS AR where AR.AP_APP_ID=(SELECT ID FROM AP_APP "
-                + "AND TENANT_ID = ?) AND AR.TENANT_ID = ? ;";
+                + "WHERE NAME = ? AND TYPE = ? AND TENANT_ID = ?) AND AR.TENANT_ID = ?;";
 
         try {
             connection = this.getDBConnection();
@@ -244,22 +238,7 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
             resultSet = statement.executeQuery();
 
             while (resultSet.next()) {
-                ApplicationRelease applicationRelease = new ApplicationRelease();
+                ApplicationRelease applicationRelease = constructApplicationRelease(resultSet);
-                applicationRelease.setId(resultSet.getInt("RELESE_ID"));
-                applicationRelease.setVersion(resultSet.getString("RELEASE_VERSION"));
-                applicationRelease.setUuid(resultSet.getString("UUID"));
-                applicationRelease.setReleaseType(resultSet.getString("RELEASE_TYPE"));
-                applicationRelease.setPrice(resultSet.getDouble("APP_PRICE"));
-                applicationRelease.setAppStoredLoc(resultSet.getString("STORED_LOCATION"));
-                applicationRelease.setBannerLoc(resultSet.getString("BANNER_LOCATION"));
-                applicationRelease.setScreenshotLoc1(resultSet.getString("SCREEN_SHOT_1"));
-                applicationRelease.setScreenshotLoc2(resultSet.getString("SCREEN_SHOT_2"));
-                applicationRelease.setScreenshotLoc3(resultSet.getString("SCREEN_SHOT_3"));
-                applicationRelease.setAppHashValue(resultSet.getString("HASH_VALUE"));
-                applicationRelease.setIsSharedWithAllTenants(resultSet.getInt("SHARED"));
-                applicationRelease.setMetaData(resultSet.getString("APP_META_INFO"));
-                applicationRelease.setApplicationCreator(resultSet.getString("CREATED_BY"));
-                applicationRelease.setRating(resultSet.getDouble("RATING"));
                 applicationReleases.add(applicationRelease);
 
             }
@@ -287,7 +266,7 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
     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 UUID = ?;";
+        String sql = "UPDATE AP_APP_RELEASE SET RATING = ?,RATED_USERS = ? WHERE UUID = ?;";
         try {
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
@@ -354,11 +333,10 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
             throws ApplicationManagementDAOException {
         Connection connection;
         PreparedStatement statement = null;
-        String sql = "UPDATE AP_APP_RELEASE SET VERSION = ? AND UUID = ? AND RELEASE_TYPE = ? AND PACKAGE_NAME = ? "
+        String sql = "UPDATE AP_APP_RELEASE SET VERSION = ?, UUID = ?, RELEASE_TYPE = ?, PACKAGE_NAME = ?,"
-                + "AND APP_PRICE = ? AND STORED_LOCATION = ? AND BANNER_LOCATION = ? AND SC_1_LOCATION = ? "
+                + " APP_PRICE = ?, STORED_LOCATION = ?, BANNER_LOCATION = ?, SC_1_LOCATION = ?, SC_2_LOCATION = ?,"
-                + "AND SC_2_LOCATION = ? AND SC_3_LOCATION = ? AND APP_HASH_VALUE = ? AND SHARED_WITH_ALL_TENANTS = ? "
+                + " SC_3_LOCATION = ?, APP_HASH_VALUE = ?, SHARED_WITH_ALL_TENANTS = ?, APP_META_INFO = ? "
-                + "AND APP_META_INFO = ? AND CREATED_BY = ? AND CREATED_AT = ? WHERE AP_APP_ID = ? AND TENANT_ID = ? "
+                + "WHERE AP_APP_ID = ? AND TENANT_ID = ? AND ID = ?;";
-                + "AND ID = ?;";
         try {
             connection = this.getDBConnection();
             statement = connection.prepareStatement(sql);
@@ -375,8 +353,10 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
             statement.setString(11, applicationRelease.getAppHashValue());
             statement.setInt(12, applicationRelease.getIsSharedWithAllTenants());
             statement.setString(13, applicationRelease.getMetaData());
-            statement.setString(14, applicationRelease.getApplicationCreator());
+            statement.setInt(14,applicationId);
-            statement.setTimestamp(15, new Timestamp(System.currentTimeMillis()));
+            statement.setInt(15, tenantId);
+            statement.setInt(16, applicationRelease.getId());
+
             statement.executeUpdate();
         } catch (DBConnectionException e) {
             throw new ApplicationManagementDAOException(
@@ -441,7 +421,6 @@ public class GenericApplicationReleaseDAOImpl extends AbstractDAOImpl implements
         applicationRelease.setAppHashValue(resultSet.getString("HASH_VALUE"));
         applicationRelease.setIsSharedWithAllTenants(resultSet.getInt("SHARED"));
         applicationRelease.setMetaData(resultSet.getString("APP_META_INFO"));
-        applicationRelease.setApplicationCreator(resultSet.getString("CREATED_BY"));
         applicationRelease.setRating(resultSet.getDouble("RATING"));
 
         return applicationRelease;

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

@@ -46,7 +46,7 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
         ResultSet rs = null;
         try {
             conn = this.getDBConnection();
-            String sql = "SELECT ID, CURRENT_STATE, PREVIOUSE_STATE, TENANT_ID, UPDATED_AT, UPDATED_BY FROM "
+            String sql = "SELECT ID, CURRENT_STATE, PREVIOUS_STATE, TENANT_ID, UPDATED_AT, UPDATED_BY FROM "
                     + "AP_APP_LIFECYCLE_STATE WHERE AP_APP_RELEASE_ID=? ORDER BY UPDATED_AT DESC;";
 
             stmt = conn.prepareStatement(sql);
@@ -58,7 +58,7 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
                 lifecycleState = new LifecycleState();
                 lifecycleState.setId(rs.getInt("ID"));
                 lifecycleState.setCurrentState(rs.getString("CURRENT_STATE"));
-                lifecycleState.setPreviousState(rs.getString("PREVIOUSE_STATE"));
+                lifecycleState.setPreviousState(rs.getString("PREVIOUS_STATE"));
                 lifecycleState.setUpdatedAt(rs.getTimestamp("UPDATED_AT"));
                 lifecycleState.setUpdatedBy(rs.getString("UPDATED_BY"));
             }
@@ -82,7 +82,7 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
         ResultSet rs = null;
         try {
             conn = this.getDBConnection();
-            String sql = "SELECT ID, CURRENT_STATE, PREVIOUSE_STATE, TENANT_ID, UPDATED_AT, UPDATED_BY FROM "
+            String sql = "SELECT ID, CURRENT_STATE, PREVIOUS_STATE, TENANT_ID, UPDATED_AT, UPDATED_BY FROM "
                     + "AP_APP_LIFECYCLE_STATE WHERE AP_APP_RELEASE_ID = ? ORDER BY UPDATED_AT ASC;";
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1,appReleaseId);
@@ -91,7 +91,7 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
                 LifecycleState lifecycleState = new LifecycleState();
                 lifecycleState.setId(rs.getInt("ID"));
                 lifecycleState.setCurrentState(rs.getString("CURRENT_STATE"));
-                lifecycleState.setPreviousState(rs.getString("PREVIOUSE_STATE"));
+                lifecycleState.setPreviousState(rs.getString("PREVIOUS_STATE"));
                 lifecycleState.setUpdatedAt(rs.getTimestamp("UPDATED_AT"));
                 lifecycleState.setUpdatedBy(rs.getString("UPDATED_BY"));
                 lifecycleStates.add(lifecycleState);
@@ -113,7 +113,7 @@ public class GenericLifecycleStateDAOImpl extends AbstractDAOImpl implements Lif
         PreparedStatement stmt = null;
         try {
             conn = this.getDBConnection();
-            String sql = "INSERT INTO AP_APP_LIFECYCLE_STATE (CURRENT_STATE, PREVIOUSE_STATE, TENANT_ID, UPDATED_BY, "
+            String sql = "INSERT INTO AP_APP_LIFECYCLE_STATE (CURRENT_STATE, PREVIOUS_STATE, TENANT_ID, UPDATED_BY, "
                     + "AP_APP_RELEASE_ID, AP_APP_ID) VALUES (?,?, ?, ?,?,?);";
             stmt = conn.prepareStatement(sql);
             stmt.setString(1, state.getCurrentState());

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

@@ -70,7 +70,7 @@ public class ReviewManagerImpl implements ReviewManager {
         String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
         boolean isSuccess = false;
         try {
-            ConnectionManagerUtil.beginDBTransaction();
+            ConnectionManagerUtil.openDBConnection();
             Review existingReview = reviewDAO.haveUerCommented(uuid, username, tenantId);
             if (existingReview != null && isAuthorizedUser(username, existingReview.getUsername(), tenantId)
                     && review.getRating() > 0 && review.getRating() != existingReview.getRating()) {
@@ -81,13 +81,14 @@ public class ReviewManagerImpl implements ReviewManager {
                 Runnable task = () -> calculateRating(review.getRating(), -12345, uuid);
                 new Thread(task).start();
                 review.setUsername(username);
+                ConnectionManagerUtil.beginDBTransaction();
                 isSuccess = this.reviewDAO.addReview(review, uuid, tenantId);
-            }
                 if (isSuccess) {
                     ConnectionManagerUtil.commitDBTransaction();
                 } else {
                     ConnectionManagerUtil.rollbackDBTransaction();
                 }
+            }
             return isSuccess;
         } catch (DBConnectionException e) {
             ConnectionManagerUtil.rollbackDBTransaction();
@@ -115,8 +116,8 @@ public class ReviewManagerImpl implements ReviewManager {
             log.debug("Review updating request is received for the review id " + reviewId);
         }
         try {
-            ConnectionManagerUtil.openDBConnection();
             if (existingReview == null) {
+                ConnectionManagerUtil.openDBConnection();
                 existingReview = this.reviewDAO.getReview(reviewId);
                 if (existingReview != null && isAuthorizedUser(username, existingReview.getUsername(), tenantId)) {
                     if (review.getRating() > 0 && review.getRating() != existingReview.getRating()) {

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

@@ -51,9 +51,9 @@ CREATE TABLE IF NOT EXISTS AP_APP_REVIEW (
   ID INT(11) NOT NULL AUTO_INCREMENT,
   TENANT_ID VARCHAR(45) NOT NULL,
   COMMENT VARCHAR(250) NOT NULL,
-  REPLY_COMMENT VARCHAR(250) NULL,
+  PARENT_ID INT(11) NULL,
-  CREATED_AT TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  CREATED_AT TIMESTAMP NOT NULL,
-  MODEFIED_AT TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  MODEFIED_AT TIMESTAMP NOT NULL,
   RATING INT(11) NULL,
   USERNAME VARCHAR(45) NOT NULL,
   AP_APP_RELEASE_ID INT(11) NOT NULL,
@@ -75,7 +75,7 @@ CREATE TABLE IF NOT EXISTS AP_APP_LIFECYCLE_STATE (
   PREVIOUSE_STATE VARCHAR(45) NOT NULL,
   TENANT_ID VARCHAR(45) NOT NULL,
   UPDATED_BY VARCHAR(100) NOT NULL,
-  UPDATED_AT TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  UPDATED_AT TIMESTAMP NOT NULL,
   AP_APP_RELEASE_ID INT(11) NOT NULL,
   AP_APP_ID INT(11) NOT NULL,
   PRIMARY KEY (ID, AP_APP_RELEASE_ID, AP_APP_ID),
@@ -109,7 +109,7 @@ CREATE TABLE IF NOT EXISTS AP_DEVICE_SUBSCRIPTION (
   ID INT(11) NOT NULL AUTO_INCREMENT,
   TENANT_ID VARCHAR(45) NOT NULL,
   SUBSCRIBED_BY VARCHAR(100) NOT NULL,
-  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL,
   UNSUBSCRIBED INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_BY INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_TIMESTAMP TIMESTAMP NULL DEFAULT NULL,
@@ -131,7 +131,7 @@ CREATE TABLE IF NOT EXISTS AP_GROUP_SUBSCRIPTION (
   ID INT(11) NOT NULL AUTO_INCREMENT,
   TENANT_ID VARCHAR(45) NOT NULL,
   SUBSCRIBED_BY VARCHAR(100) NOT NULL,
-  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL,
   UNSUBSCRIBED INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_BY INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_TIMESTAMP TIMESTAMP NULL DEFAULT NULL,
@@ -154,7 +154,7 @@ CREATE TABLE IF NOT EXISTS AP_ROLE_SUBSCRIPTION (
   TENANT_ID VARCHAR(45) NOT NULL,
   ROLE_NAME VARCHAR(100) NOT NULL,
   SUBSCRIBED_BY VARCHAR(100) NOT NULL,
-  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  SUBSCRIBED_TIMESTAMP TIMESTAMP NOT NULL,
   UNSUBSCRIBED INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_BY INT(11) NULL DEFAULT NULL,
   UNSUBSCRIBED_TIMESTAMP TIMESTAMP NULL DEFAULT NULL,

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

@@ -68,9 +68,9 @@ CREATE TABLE IF NOT EXISTS `AP_APP_REVIEW` (
   `ID` INT(11) NOT NULL AUTO_INCREMENT,
   `TENANT_ID` VARCHAR(45) NOT NULL,
   `COMMENT` VARCHAR(250) NOT NULL,
-  `REPLY_COMMENT` VARCHAR(250) NULL,
+  `PARENT_ID` INT(11) NULL,
   `CREATED_AT` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  `MODEFIED_AT` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  `MODIFIED_AT` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   `RATING` INT(11) NULL,
   `USERNAME` VARCHAR(45) NOT NULL,
   `AP_APP_RELEASE_ID` INT(11) NOT NULL,
@@ -93,7 +93,7 @@ CREATE INDEX `fk_AP_APP_COMMENT_AP_APP_RELEASE1_idx` ON `AP_APP_REVIEW` (`AP_APP
 CREATE TABLE IF NOT EXISTS `AP_APP_LIFECYCLE_STATE` (
   `ID` INT(11) NOT NULL AUTO_INCREMENT,
   `CURRENT_STATE` VARCHAR(45) NOT NULL,
-  `PREVIOUSE_STATE` VARCHAR(45) NOT NULL,
+  `PREVIOUS_STATE` VARCHAR(45) NOT NULL,
   `TENANT_ID` VARCHAR(45) NOT NULL,
   `UPDATED_BY` VARCHAR(100) NOT NULL,
   `UPDATED_AT` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,