src/java/org/mxchange/juserlogincore/model/user/register/PizzaUserRegistrationSessionBean.java

   1 /*
   2  * Copyright (C) 2016 - 2020 Free Software Foundation
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.juserlogincore.model.user.register;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import java.util.Objects;
  22 import javax.ejb.EJB;
  23 import javax.ejb.Stateless;
  24 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
  25 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
  26 import org.mxchange.jusercore.model.user.AdminUserSessionBeanRemote;
  27 import org.mxchange.jusercore.model.user.User;
  28 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  29 import org.mxchange.juserlogincore.login.UserLoginUtils;
  30 import org.mxchange.pizzaaplication.enterprise.BasePizzaEnterpriseBean;
  31
  32 /**
  33  * A session-scoped bean for user registration
  34  * <p>
  35  * @author Roland Häder<roland@mxchange.org>
  36  */
  37 @Stateless (name = "userRegistration", description = "A bean handling the user registration")
  38 public class PizzaUserRegistrationSessionBean extends BasePizzaEnterpriseBean implements UserRegistrationSessionBeanRemote {
  39
  40         /**
  41          * Serial number
  42          */
  43         private static final long serialVersionUID = 12_348_958_986_818_627L;
  44
  45         /**
  46          * Administrative user bean
  47          */
  48         @EJB (lookup = "java:global/pizzaservice-ejb/adminUser!org.mxchange.jusercore.model.user.AdminUserSessionBeanRemote")
  49         private AdminUserSessionBeanRemote adminUserBean;
  50
  51         /**
  52          * Regular user EJB
  53          */
  54         @EJB (lookup = "java:global/pizzaservice-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote")
  55         private UserSessionBeanRemote userBean;
  56
  57         /**
  58          * Default constructor
  59          */
  60         public PizzaUserRegistrationSessionBean () {
  61                 // Call super constructor
  62                 super("jms/pizzaservice-queue-factory", "jms/pizzaservice-email-queue"); //NOI18N
  63         }
  64
  65         @Override
  66         public String generateConfirmationKey (final User user) {
  67                 // Trace message
  68                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.generateConfirmationKey: user={1} - CALLED!", this.getClass().getSimpleName(), user)); //NOI18N
  69
  70                 // user should not be null
  71                 if (null == user) {
  72                         // Abort here
  73                         throw new NullPointerException("user is null"); //NOI18N
  74                 }
  75
  76                 // Fetch whole list
  77                 final List<User> users = this.userBean.fetchAllUsers();
  78
  79                 // Init confirmation key
  80                 String confirmationKey = null;
  81
  82                 // Find a free one
  83                 while (confirmationKey == null) {
  84                         // Create new one
  85                         confirmationKey = UserLoginUtils.generatedConfirmationKey(user);
  86
  87                         // Check all entries
  88                         for (final User currentUser : users) {
  89                                 // Does the key match?
  90                                 if (Objects.equals(currentUser.getUserConfirmKey(), confirmationKey)) {
  91                                         // Set key to null and exit loop
  92                                         confirmationKey = null;
  93                                         break;
  94                                 }
  95                         }
  96                 }
  97
  98                 // Log trace message
  99                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.generateConfirmationKey: confirmationKey={1} - EXIT!", this.getClass().getSimpleName(), confirmationKey)); //NOI18N
 100
 101                 // Return it
 102                 return confirmationKey;
 103         }
 104
 105         @Override
 106         public User registerUser (final User user, final String baseUrl, final String randomPassword) throws UserNameAlreadyRegisteredException, EmailAddressAlreadyRegisteredException {
 107                 // Trace message
 108                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.registerUser: user={1},baseUrl={2},randomPassword[]={3} - CALLED!", this.getClass().getSimpleName(), user, baseUrl, Objects.toString(randomPassword))); //NOI18N
 109
 110                 // user should not be null
 111                 if (null == user) {
 112                         // Abort here
 113                         throw new NullPointerException("user is null"); //NOI18N
 114                 } else if (user.getUserContact() == null) {
 115                         // Throw NPE again
 116                         throw new NullPointerException("user.userContact is null"); //NOI18N
 117                 } else if (user.getUserContact().getContactEmailAddress() == null) {
 118                         // Throw NPE again
 119                         throw new NullPointerException("user.userContact.contactEmailAddress is null"); //NOI18N
 120                 } else if (user.getUserContact().getContactEmailAddress().isEmpty()) {
 121                         // Is empty
 122                         throw new IllegalArgumentException("user.userContact.contactEmailAddress is empty"); //NOI18N
 123                 }
 124
 125                 // Check if user is registered
 126                 if (this.userBean.isUserNameRegistered(user)) {
 127                         // Abort here
 128                         throw new UserNameAlreadyRegisteredException(user);
 129                 } else if (this.userBean.isEmailAddressRegistered(user)) {
 130                         // Abort here
 131                         throw new EmailAddressAlreadyRegisteredException(user);
 132                 }
 133
 134                 // Call other EJB
 135                 final User addedUser = this.adminUserBean.addUser(user);
 136
 137                 // Default template is with no random password
 138                 String templateName = "user_registration"; //NOI18N
 139
 140                 // Is password set?
 141                 if ((randomPassword instanceof String) && (!randomPassword.isEmpty())) {
 142                         // Switch to template with random password exposed
 143                         templateName = "user_registration_random"; //NOI18N
 144                 }
 145
 146                 // Send email
 147                 // @TODO: Internationlize the subject line somehow
 148                 this.sendEmail("Registration", templateName, addedUser, baseUrl, randomPassword); //NOI18N
 149
 150                 // Trace message
 151                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.registerUser: addedUser={1},addedUser.userId={2} - EXIT!", this.getClass().getSimpleName(), addedUser, addedUser.getUserId())); //NOI18N
 152
 153                 // Return it
 154                 return addedUser;
 155         }
 156
 157 }