src/java/org/mxchange/pizzaapplication/beans/user/confirmlink/PizzaConfirmationLinkWebRequestBean.java

   1 /*
   2  * Copyright (C) 2016 - 2022 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.pizzaapplication.beans.user.confirmlink;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Iterator;
  21 import java.util.List;
  22 import java.util.Objects;
  23 import javax.ejb.EJB;
  24 import javax.enterprise.context.RequestScoped;
  25 import javax.enterprise.event.Event;
  26 import javax.enterprise.inject.Any;
  27 import javax.faces.view.facelets.FaceletException;
  28 import javax.inject.Inject;
  29 import javax.inject.Named;
  30 import org.mxchange.jcoreee.events.helper.clear.HelperCleanupEvent;
  31 import org.mxchange.jcoreee.events.helper.clear.ObservableHelperCleanupEvent;
  32 import org.mxchange.jcoreee.utils.FacesUtils;
  33 import org.mxchange.jusercore.events.user.created.CreatedUserEvent;
  34 import org.mxchange.jusercore.events.user.created.ObservableCreatedUserEvent;
  35 import org.mxchange.jusercore.exceptions.UserStatusConfirmedException;
  36 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  37 import org.mxchange.jusercore.model.user.User;
  38 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  39 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  40 import org.mxchange.juserlogincore.events.confirmation.ObservableUserConfirmedAccountEvent;
  41 import org.mxchange.juserlogincore.events.confirmation.UserConfirmedAccountEvent;
  42 import org.mxchange.pizzaapplication.beans.BasePizzaBean;
  43 import org.mxchange.pizzaapplication.beans.user.PizzaUserWebRequestController;
  44
  45 /**
  46  * A web request bean for confirmation link handling
  47  * <p>
  48  * @author Roland Häder<roland@mxchange.org>
  49  */
  50 @Named ("userConfirmationLinkController")
  51 @RequestScoped
  52 public class PizzaConfirmationLinkWebRequestBean extends BasePizzaBean implements PizzaConfirmationLinkWebRequestController {
  53
  54         /**
  55          * Serial number
  56          */
  57         private static final long serialVersionUID = 57_637_182_796_370L;
  58
  59         /**
  60          * Event being fired when a bean helper should be cleaned
  61          */
  62         @Inject
  63         @Any
  64         private Event<ObservableHelperCleanupEvent> cleanHelperEvent;
  65
  66         /**
  67          * Confirmation key
  68          */
  69         private String confirmationKey;
  70
  71         /**
  72          * Remote user bean
  73          */
  74         @EJB (lookup = "java:global/pizzaservice-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote")
  75         private UserSessionBeanRemote userBean;
  76
  77         /**
  78          * Event being fired when a user has confirmed the account
  79          */
  80         @Inject
  81         @Any
  82         private Event<ObservableUserConfirmedAccountEvent> userConfirmedEvent;
  83
  84         /**
  85          * User controller
  86          */
  87         @Inject
  88         private PizzaUserWebRequestController userController;
  89
  90         /**
  91          * Event for when a user instance was created
  92          */
  93         @Any
  94         @Inject
  95         private Event<ObservableCreatedUserEvent> userCreatedEvent;
  96
  97         /**
  98          * Default constructor
  99          */
 100         public PizzaConfirmationLinkWebRequestBean () {
 101                 // Call super constructor
 102                 super();
 103         }
 104
 105         @Override
 106         public String getConfirmationKey () {
 107                 return this.confirmationKey;
 108         }
 109
 110         @Override
 111         public void setConfirmationKey (final String confirmationKey) {
 112                 this.confirmationKey = confirmationKey;
 113         }
 114
 115         @Override
 116         public void maybeConfirmUserAccount () {
 117                 // Is the confirmation key set?
 118                 if (this.getConfirmationKey() == null) {
 119                         // May be null if not set
 120                         return;
 121                 } else if (this.getConfirmationKey().isEmpty()) {
 122                         // Is empty string
 123                         return;
 124                 }
 125
 126                 // Now try to find the user in user list, first get the whole list
 127                 final List<User> users = this.userController.allUsers();
 128
 129                 // Get iterator from it
 130                 final Iterator<User> iterator = users.iterator();
 131
 132                 // Init instance
 133                 User user = null;
 134
 135                 // Then loop through all
 136                 while (iterator.hasNext()) {
 137                         // Get next user
 138                         final User next = iterator.next();
 139
 140                         // Same confirmation key?
 141                         if (Objects.equals(this.getConfirmationKey(), next.getUserConfirmKey())) {
 142                                 // Found it, then set it and abort loop
 143                                 user = next;
 144                                 break;
 145                         }
 146                 }
 147
 148                 // Is the user instance null?
 149                 if ((null == user) || (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED)) {
 150                         // Then clear this bean and the helper
 151                         this.cleanHelperEvent.fire(new HelperCleanupEvent());
 152                 } else {
 153                         // Try to confirm it
 154                         this.confirmUserAccount(user);
 155                 }
 156         }
 157
 158         /**
 159          * Tries to confirm the currently set user instance (in helper).
 160          * <p>
 161          * @param user User instance
 162          */
 163         private void confirmUserAccount (final User user) {
 164                 // Should be set
 165                 if (null == user) {
 166                         // Throw NPE
 167                         throw new NullPointerException("user is null"); //NOI18N
 168                 } else if (user.getUserId() == null) {
 169                         // Abort here
 170                         throw new NullPointerException("user.userId is null"); //NOI18N
 171                 } else if (user.getUserId() < 1) {
 172                         // Invalid number
 173                         throw new IllegalArgumentException(MessageFormat.format("userId is not valid: {0}", user.getUserId())); //NOI18N
 174                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 175                         // Account is already confirmed
 176                         throw new FaceletException(new UserStatusConfirmedException(user));
 177                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 178                         // Account is already confirmed
 179                         throw new FaceletException(new UserStatusLockedException(user));
 180                 } else if (user.getUserConfirmKey() == null) {
 181                         // Throw NPE
 182                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 183                 } else if (user.getUserConfirmKey().isEmpty()) {
 184                         // Is empty string
 185                         throw new IllegalArgumentException("user.userConfirmKey is empty"); //NOI18N
 186                 }
 187
 188                 // Updated user instance
 189                 final User updatedUser;
 190
 191                 try {
 192                         // Get base URL
 193                         final String baseUrl = FacesUtils.generateBaseUrl();
 194
 195                         // Confirm account
 196                         updatedUser = this.userBean.confirmAccount(user, baseUrl);
 197                 } catch (final UserStatusConfirmedException | UserStatusLockedException ex) {
 198                         // Something unexpected happened
 199                         throw new FaceletException(MessageFormat.format("Cannot confirm user account {0}", user.getUserName()), ex); //NOI18N
 200                 }
 201
 202                 // Fire event that the user has confirmed account
 203                 this.userConfirmedEvent.fire(new UserConfirmedAccountEvent(updatedUser));
 204
 205                 // Fire event
 206                 this.userCreatedEvent.fire(new CreatedUserEvent(updatedUser));
 207         }
 208
 209 }