added support for notifications settings and tested

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portal/social-networking-library@68582 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portal/databook/server/CassandraClusterConnection.java

@@ -187,6 +187,7 @@ public class CassandraClusterConnection {
 		ColumnFamilyDefinition cfDefUserLikedFeeds = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_LIKED_FEEDS);
 		ColumnFamilyDefinition cfDefUserNotifications = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_NOTIFICATIONS);
 		ColumnFamilyDefinition cfDefUserMessagesNotifications = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_MESSAGES_NOTIFICATIONS);
+		ColumnFamilyDefinition cfDefUserNotificationsSettings = getDynamicCFDef(DBCassandraAstyanaxImpl.USER_NOTIFICATIONS_SETTINGS);
 
 
 		ksDef.setName(keyspaceName)
@@ -203,6 +204,7 @@ public class CassandraClusterConnection {
 		.addColumnFamily(cfDefUserTimeline)
 		.addColumnFamily(cfDefUserNotifications)
 		.addColumnFamily(cfDefUserMessagesNotifications)
+		.addColumnFamily(cfDefUserNotificationsSettings)
 		.addColumnFamily(cfDefUserLikedFeeds);
 
 		cluster.addKeyspace(ksDef);	

src/main/java/org/gcube/portal/databook/server/DBCassandraAstyanaxImpl.java

@@ -13,6 +13,7 @@ import org.gcube.portal.databook.shared.Feed;
 import org.gcube.portal.databook.shared.FeedType;
 import org.gcube.portal.databook.shared.Like;
 import org.gcube.portal.databook.shared.Notification;
+import org.gcube.portal.databook.shared.NotificationChannelType;
 import org.gcube.portal.databook.shared.NotificationType;
 import org.gcube.portal.databook.shared.PrivacyLevel;
 import org.gcube.portal.databook.shared.ex.ColumnNameNotFoundException;
@@ -20,6 +21,7 @@ import org.gcube.portal.databook.shared.ex.CommentIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.LikeIDNotFoundException;
+import org.gcube.portal.databook.shared.ex.NotificationChannelTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.NotificationIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.NotificationTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.PrivacyLevelTypeNotFoundException;
@@ -63,6 +65,7 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 	public static final String USER_LIKED_FEEDS = "USERLikes";
 	public static final String USER_NOTIFICATIONS = "USERNotifications"; // regular user notifications timeline
 	public static final String USER_MESSAGES_NOTIFICATIONS = "USERMessagesNotifications";  // user messages notifications timeline
+	public static final String USER_NOTIFICATIONS_SETTINGS = "USERNotificationsSettings"; // settings for notifications
 
 	private static ColumnFamily<String, String> cf_Connections =	new ColumnFamily<String, String>(
 			CONNECTIONS, // Column Family Name
@@ -115,6 +118,10 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 			USER_MESSAGES_NOTIFICATIONS,              // Column Family Name
 			StringSerializer.get(),   // Key Serializer
 			StringSerializer.get());  // Column Serializer
+	private static ColumnFamily<String, String> cf_UserNotificationsSettings =	new ColumnFamily<String, String>(
+			USER_NOTIFICATIONS_SETTINGS,  // Column Family Name
+			StringSerializer.get(),   // Key Serializer
+			StringSerializer.get());  // Column Serializer
 
 	/**
 	 * connection instance
@@ -885,8 +892,78 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 		}
 		return false;
 	}
+	/*
+	 * 
+	 ********************** 	NOTIFICATION SETTINGS	***********************
+	 *
+	 */
+	/**
+	 * {@inheritDoc}
+	 * @throws NotificationChannelTypeNotFoundException 
+	 */
+	@Override
+	public List<NotificationChannelType> getUserNotificationChannels(String userid) throws NotificationChannelTypeNotFoundException {
+		List<NotificationChannelType> toReturn = new ArrayList<NotificationChannelType>();
+		OperationResult<Rows<String, String>> result = null;
+		try {
+			result = conn.getKeyspace().prepareQuery(cf_UserNotificationsSettings)
+					.getKeySlice(userid)
+					.execute();
+		} catch (ConnectionException e) {
+			e.printStackTrace();
+		}
+		//if there are no settings create them and put all of them at true
+		if (result.getResult().getRowByIndex(0).getColumns().size() == 0) {
+			for (int i = 0; i < NotificationChannelType.values().length; i++) {
+				_log.info("Userid " + userid + " settings not found, initiating its settings...");
+				setUserNotificationChannel(userid, NotificationChannelType.values()[i], true);
+			}
+		}
+		else {
+			for (Row<String, String> row : result.getResult()) 
+				for (Column<String> column : row.getColumns()) 
+					if (column.getBooleanValue()) toReturn.add(getChannelType(column.getName()));
+		}
+		return toReturn;
+	}
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public boolean setUserNotificationChannel(String userid, NotificationChannelType channel, boolean enabled) {
+		MutationBatch m = conn.getKeyspace().prepareMutationBatch();
+		//check if the value exists and if so update it
+		OperationResult<Rows<String, String>> result = null;
+		try {
+			result = conn.getKeyspace().prepareQuery(cf_UserNotificationsSettings)
+					.getKeySlice(userid)
+					.execute();
+		} catch (ConnectionException e) {
+			e.printStackTrace();
+		}
+
+		boolean settingExists = false;
+		//if the setting exists and is different from enabled value update it
+		for (Row<String, String> row : result.getResult()) {
+			for (Column<String> column : row.getColumns()) 
+				if (column.getName().compareTo(channel.toString()) == 0 && (column.getBooleanValue() != enabled) ) { 					
+					m.withRow(cf_UserNotificationsSettings, userid).putColumn(channel.toString(), enabled, null);
+					settingExists = true;
+					break;
+				}
+		}
+		if (! settingExists)
+			m.withRow(cf_UserNotificationsSettings, userid).putColumn(channel.toString(), ""+enabled, null);
 
 
+
+		boolean overAllresult = execute(m);
+		if (overAllresult)
+			_log.trace("Set Notification Channel for " + userid + " to " + enabled + " OK");
+		else
+			_log.error("Set Notification Channel for " + userid + " to " + enabled + " KO");
+		return overAllresult;		
+	}
 	/*
 	 * 
 	 ********************** 	COMMENTS	***********************
@@ -1170,6 +1247,24 @@ public final class DBCassandraAstyanaxImpl implements DatabookStore {
 	 *
 	 */
 
+	/**
+	 * simply return an enum representing the privacy level
+	 * @param privacyLevel .
+	 * @return correct enum representing the privacy level
+	 * @throws NotificationChannelTypeNotFoundException 
+	 * @throws FeedTypeNotFoundException 
+	 */
+	private NotificationChannelType getChannelType(String channelName) throws NotificationChannelTypeNotFoundException {
+		if (channelName.compareTo("PORTAL") == 0)
+			return NotificationChannelType.PORTAL;
+		else if (channelName.compareTo("EMAIL") == 0)
+			return NotificationChannelType.EMAIL;
+		else if (channelName.compareTo("TWITTER") == 0)
+			return NotificationChannelType.TWITTER;
+		else
+			throw new NotificationChannelTypeNotFoundException("The Notification Channel Type wass not recognized should be one of " + NotificationChannelType.values() + " asked for: " + channelName);
+	}
+	
 	/**
 	 * simply return an enum representing the privacy level
 	 * @param privacyLevel .

src/main/java/org/gcube/portal/databook/server/DatabookCassandraTest.java

@@ -13,9 +13,11 @@ import org.gcube.portal.databook.shared.Feed;
 import org.gcube.portal.databook.shared.FeedType;
 import org.gcube.portal.databook.shared.Like;
 import org.gcube.portal.databook.shared.Notification;
+import org.gcube.portal.databook.shared.NotificationChannelType;
 import org.gcube.portal.databook.shared.NotificationType;
 import org.gcube.portal.databook.shared.PrivacyLevel;
 import org.gcube.portal.databook.shared.ex.FeedIDNotFoundException;
+import org.gcube.portal.databook.shared.ex.NotificationChannelTypeNotFoundException;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -57,6 +59,17 @@ public class DatabookCassandraTest {
 
 	}
 	
+	@Test
+	public void testNotificationSettings() {
+		try {
+			for (NotificationChannelType channel : store.getUserNotificationChannels("leonardo.candela")) {
+				System.out.println(channel);
+			}
+		} catch (NotificationChannelTypeNotFoundException e) {
+			e.printStackTrace();
+		};
+		store.setUserNotificationChannel("leonardo.candela", NotificationChannelType.TWITTER, false);
+	}
 
 	@Test
 	public void testSingleNotification() {

src/main/java/org/gcube/portal/databook/server/DatabookStore.java

@@ -6,11 +6,13 @@ import org.gcube.portal.databook.shared.Comment;
 import org.gcube.portal.databook.shared.Feed;
 import org.gcube.portal.databook.shared.Like;
 import org.gcube.portal.databook.shared.Notification;
+import org.gcube.portal.databook.shared.NotificationChannelType;
 import org.gcube.portal.databook.shared.ex.ColumnNameNotFoundException;
 import org.gcube.portal.databook.shared.ex.CommentIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.LikeIDNotFoundException;
+import org.gcube.portal.databook.shared.ex.NotificationChannelTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.NotificationIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.NotificationTypeNotFoundException;
 import org.gcube.portal.databook.shared.ex.PrivacyLevelTypeNotFoundException;
@@ -203,6 +205,23 @@ public interface DatabookStore {
 	 * @return true if there are unread messages notifications (including messages), false if they are all read
 	 */
 	boolean checkUnreadMessagesNotifications(String userid)  throws NotificationIDNotFoundException, NotificationTypeNotFoundException, ColumnNameNotFoundException;
+	
+	/**
+	 * return the channels a user chose for being notified
+	 * @param userid  user identifier
+	 * @return a list of <class>NotificationChannelType</class> that represents the channels this user wants to be notified
+	 */
+	List<NotificationChannelType> getUserNotificationChannels(String userid) throws NotificationChannelTypeNotFoundException;
+	/**
+	 * enable or disable the channels to be used for notifying the user
+	 * @param userid  user identifier
+	 * @param channel the type of the channel
+	 * @param enabled is you want it to be enabled or not
+	 * @return true if everything was fine
+	 */
+	boolean setUserNotificationChannel(String userid, NotificationChannelType channel, boolean enabled);
+	
+	
 	/**
 	 * add a comment to a feed
 	 * @param comment the Comment instance to add

src/main/java/org/gcube/portal/databook/shared/NotificationChannelType.java

@@ -0,0 +1,20 @@
+package org.gcube.portal.databook.shared;
+/**
+ * @author Massimiliano Assante ISTI-CNR
+ * 
+ * @version 1.0 January 2012
+ */
+public enum NotificationChannelType {
+	/**
+	 * PORTAL
+	 */
+	PORTAL,
+	/**
+	 * EMAIL
+	 */
+	EMAIL,
+	/**
+	 * TWITTER
+	 */
+	TWITTER;
+}

src/main/java/org/gcube/portal/databook/shared/NotificationType.java

@@ -4,7 +4,7 @@ package org.gcube.portal.databook.shared;
 /**
  * @author Massimiliano Assante ISTI-CNR
  * 
- * @version 1.0 July 6th 2012
+ * @version 1.0 January 2012
  */
 public enum NotificationType {
 	/**

src/main/java/org/gcube/portal/databook/shared/ex/NotificationChannelTypeNotFoundException.java

@@ -0,0 +1,8 @@
+package org.gcube.portal.databook.shared.ex;
+
+@SuppressWarnings("serial")
+public class NotificationChannelTypeNotFoundException  extends Exception {
+	public NotificationChannelTypeNotFoundException(String message) {
+		super(message);
+	}
+}