diff --git a/.classpath b/.classpath
index 4214a97..faa9002 100644
--- a/.classpath
+++ b/.classpath
@@ -15,6 +15,7 @@
 	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="org.eclipse.jst.component.nondependency" value=""/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
diff --git a/.project b/.project
index 6a6d8c2..632e939 100644
--- a/.project
+++ b/.project
@@ -5,11 +5,21 @@
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.jdt.core.javabuilder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.m2e.core.maven2Builder</name>
 			<arguments>
@@ -17,7 +27,10 @@
 		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
 	</natures>
 </projectDescription>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index ec4300d..443e085 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,5 +1,8 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
 org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.source=1.7
diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
new file mode 100644
index 0000000..50bd693
--- /dev/null
+++ b/.settings/org.eclipse.wst.common.component
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+    <wb-module deploy-name="invites-common-library">
+        <wb-resource deploy-path="/" source-path="/src/main/java"/>
+    </wb-module>
+</project-modules>
diff --git a/.settings/org.eclipse.wst.common.project.facet.core.xml b/.settings/org.eclipse.wst.common.project.facet.core.xml
new file mode 100644
index 0000000..1b22d70
--- /dev/null
+++ b/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="1.7"/>
+  <installed facet="jst.utility" version="1.0"/>
+</faceted-project>
diff --git a/.settings/org.eclipse.wst.validation.prefs b/.settings/org.eclipse.wst.validation.prefs
new file mode 100644
index 0000000..04cad8c
--- /dev/null
+++ b/.settings/org.eclipse.wst.validation.prefs
@@ -0,0 +1,2 @@
+disabled=06target
+eclipse.preferences.version=1
diff --git a/pom.xml b/pom.xml
index 1680c67..22ac367 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,6 +53,11 @@
 			<artifactId>aslcore</artifactId>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.portal</groupId>
+			<artifactId>social-networking-library</artifactId>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>com.sun.mail</groupId>
 			<artifactId>javax.mail</artifactId>
diff --git a/src/main/java/org/gcube/portal/invites/InvitesManager.java b/src/main/java/org/gcube/portal/invites/InvitesManager.java
index daeed01..605122a 100644
--- a/src/main/java/org/gcube/portal/invites/InvitesManager.java
+++ b/src/main/java/org/gcube/portal/invites/InvitesManager.java
@@ -1,14 +1,22 @@
 package org.gcube.portal.invites;
 
+import java.util.Date;
 import java.util.Properties;
+import java.util.UUID;
 
 import javax.mail.Message;
 import javax.mail.Session;
 import javax.mail.Transport;
+import javax.mail.internet.AddressException;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeMessage;
 
 import org.gcube.application.framework.core.session.ASLSession;
+import org.gcube.portal.databook.server.DBCassandraAstyanaxImpl;
+import org.gcube.portal.databook.server.DatabookStore;
+import org.gcube.portal.databook.shared.Invite;
+import org.gcube.portal.databook.shared.InviteOperationResult;
+import org.gcube.portal.databook.shared.InviteStatus;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
@@ -28,16 +36,56 @@ public class InvitesManager {
 	private final static String MAIL_SERVICE_PORT = "25";
 
 	private static InvitesManager instance;
+	private static DatabookStore store;
 
 	private InvitesManager() { }
 
 	public static InvitesManager getInstance(){
 		instance = new InvitesManager();
+		initStore();
 		return instance;
 	}
-
+	/**
+	 * 
+	 * @return the unique instance of the store
+	 */
+	public static synchronized DatabookStore initStore() {
+		if (store == null) {
+			store = new DBCassandraAstyanaxImpl();
+		}
+		return store;
+	}
+	
+	public InviteOperationResult sendInvite(
+			ASLSession aslSession, 
+			String portalSenderEmail,
+			String portalURL,
+			String name, 
+			String lastName,
+			String email,
+			String vreDescription) {
+		
+		String username = aslSession.getUsername();
+		String fromFullName = aslSession.getUserFullName(); 
+		String controlcode = UUID.randomUUID().toString();
+		
+		Invite invite = new Invite(UUID.randomUUID().toString(), username, aslSession.getScopeName(), email, controlcode, InviteStatus.PENDING, new Date(), fromFullName); 
+		InviteOperationResult result = null;
+		boolean emailResult = false;
+		try {
+			result = store.saveInvite(invite);
+			emailResult = sendInviteEmail(aslSession, portalSenderEmail, portalURL, fromFullName, lastName, email, vreDescription);
+			
+		} catch (AddressException e) {
+			_log.error("Email not valid " + e.getMessage());
+			e.printStackTrace();
+			return InviteOperationResult.FAILED;			
+		}		
+				
+		return (emailResult) ? result : InviteOperationResult.FAILED;		
+	}
 	
-	public Boolean sendInviteEmail(
+	private Boolean sendInviteEmail(
 			ASLSession aslSession, 
 			String portalSenderEmail,
 			String portalURL,