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