From e4024c6f43c8f1c222641f282c2e846c978a3a58 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Roland=20H=C3=A4der?= <roland@mxchange.org>
Date: Tue, 3 May 2016 15:13:35 +0200
Subject: [PATCH] Continued a bit: - implemented linkUser() - use interface for
 class name
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Signed-off-by: Roland Häder <roland@mxchange.org>
---
 .../model/user/JobsUserSessionBean.java       | 66 ++++++++++++++++++-
 1 file changed, 64 insertions(+), 2 deletions(-)

diff --git a/src/java/org/mxchange/jusercore/model/user/JobsUserSessionBean.java b/src/java/org/mxchange/jusercore/model/user/JobsUserSessionBean.java
index 5b7b6ae..63c5ecb 100644
--- a/src/java/org/mxchange/jusercore/model/user/JobsUserSessionBean.java
+++ b/src/java/org/mxchange/jusercore/model/user/JobsUserSessionBean.java
@@ -484,8 +484,70 @@ public class JobsUserSessionBean extends BaseJobsDatabaseBean implements UserSes
 	}
 
 	@Override
-	public User linkUser (User user) throws UserNameAlreadyRegisteredException, EmailAddressAlreadyRegisteredException {
-		throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+	public User linkUser (final User user) throws UserNameAlreadyRegisteredException, EmailAddressAlreadyRegisteredException {
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("linkUser: user={0} - CALLED!", user)); //NOI18N
+
+		// user should not be null
+		// @TODO Add check for email address
+		if (null == user) {
+			// Abort here
+			throw new NullPointerException("user is null"); //NOI18N
+		} else if (user.getUserId() instanceof Long) {
+			// Id is set
+			throw new IllegalArgumentException("user.userId is not null"); //NOI18N
+		} else if (user.getUserContact() == null) {
+			// Throw NPE again
+			throw new NullPointerException("user.userContact is null"); //NOI18N
+		} else if (user.getUserContact().getContactId() == null) {
+			// Throw NPE again
+			throw new NullPointerException("user.userContact.contactId is null"); //NOI18N
+		} else if (user.getUserContact().getContactId() < 1) {
+			// Not valid id number
+			throw new IllegalArgumentException(MessageFormat.format("user.userContact.contactId={0} is not valid", user.getUserContact().getContactId())); //NOI18N
+		} else if (user.getUserAccountStatus() == null) {
+			// Throw NPE again
+			throw new NullPointerException("user.userAccountStatus is null"); //NOI18N
+		} else if (this.ifUserNameExists(user.getUserName())) {
+			// Name already found
+			throw new UserNameAlreadyRegisteredException(user.getUserName());
+		} else if (this.ifUserExists(user)) {
+			// User does not exist
+			throw new IllegalStateException("User does already exist."); //NOI18N
+		}
+
+		// Check if user is registered
+		if (this.registerBean.isUserNameRegistered(user)) {
+			// Abort here
+			throw new UserNameAlreadyRegisteredException(user);
+		} else if (this.registerBean.isEmailAddressRegistered(user)) {
+			// Abort here
+			throw new EmailAddressAlreadyRegisteredException(user);
+		}
+
+		// Set created timestamp
+		user.setUserCreated(new GregorianCalendar());
+
+		// Try to find the contact instance
+		Contact foundContact = this.getEntityManager().find(user.getUserContact().getClass(), user.getUserContact().getContactId());
+
+		// Try to merge it
+		Contact detachedContact = this.getEntityManager().merge(foundContact);
+
+		// Set it in user
+		user.setUserContact(detachedContact);
+
+		// Persist user
+		this.getEntityManager().persist(user);
+
+		// Flush it to get id
+		this.getEntityManager().flush();
+
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("linkUser: user.userId={0} - EXIT!", user.getUserId())); //NOI18N
+
+		// Return updated instanc
+		return user;
 	}
 
 	@Override
-- 
2.39.5