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

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   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.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.enterprise.context.RequestScoped;
  24 import javax.enterprise.event.Event;
  25 import javax.enterprise.inject.Any;
  26 import javax.faces.view.facelets.FaceletException;
  27 import javax.inject.Inject;
  28 import javax.inject.Named;
  29 import javax.naming.Context;
  30 import javax.naming.InitialContext;
  31 import javax.naming.NamingException;
  32 import org.mxchange.jcoreee.utils.FacesUtils;
  33 import org.mxchange.jusercore.events.confirmation.ConfirmedUserAccountEvent;
  34 import org.mxchange.jusercore.events.confirmation.UserConfirmedAccountEvent;
  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.pizzaapplication.beans.BasePizzaController;
  41 import org.mxchange.pizzaapplication.beans.helper.PizzaWebRequestController;
  42 import org.mxchange.pizzaapplication.beans.user.PizzaUserWebSessionController;
  43
  44 /**
  45  * A web request bean for confirmation link handling
  46  * <p>
  47  * @author Roland Haeder<roland@mxchange.org>
  48  */
  49 @Named ("confirmationLinkController")
  50 @RequestScoped
  51 public class PizzaConfirmationLinkWebRequestBean extends BasePizzaController implements PizzaConfirmationLinkWebRequestController {
  52
  53         /**
  54          * Serial number
  55          */
  56         private static final long serialVersionUID = 57_637_182_796_370L;
  57
  58         /**
  59          * Admin helper instance
  60          */
  61         @Inject
  62         private PizzaWebRequestController beanHelper;
  63
  64         /**
  65          * Confirmation key
  66          */
  67         private String confirmationKey;
  68
  69         /**
  70          * Remote user bean
  71          */
  72         private final UserSessionBeanRemote userBean;
  73
  74         /**
  75          * User controller
  76          */
  77         @Inject
  78         private PizzaUserWebSessionController userController;
  79
  80         /**
  81          * Event being fired when a user has confirmed the account
  82          */
  83         @Inject
  84         @Any
  85         private Event<UserConfirmedAccountEvent> userConfirmedEvent;
  86
  87         /**
  88          * Default constructor
  89          */
  90         public PizzaConfirmationLinkWebRequestBean () {
  91                 // Try it
  92                 try {
  93                         // Get initial context
  94                         Context context = new InitialContext();
  95
  96                         // Try to lookup
  97                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/pizzaservice-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
  98                 } catch (final NamingException e) {
  99                         // Throw again
 100                         throw new FaceletException(e);
 101                 }
 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                 // Now try to find the user in user list, first get the whole list
 126                 List<User> users = this.userController.allUsers();
 127
 128                 // Get iterator from it
 129                 Iterator<User> iterator = users.iterator();
 130
 131                 // Init instance
 132                 User user = null;
 133
 134                 // Then loop through all
 135                 while (iterator.hasNext()) {
 136                         // Get next user
 137                         User next = iterator.next();
 138
 139                         // Same confirmation key?
 140                         if (Objects.equals(this.getConfirmationKey(), next.getUserConfirmKey())) {
 141                                 // Found it, then set it and abort loop
 142                                 user = next;
 143                                 break;
 144                         }
 145                 }
 146
 147                 // Is the user instance null?
 148                 if ((null == user) || (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED)) {
 149                         // Then clear this bean and the helper
 150                         this.beanHelper.setUser(null);
 151                 } else {
 152                         // Set user ...
 153                         this.beanHelper.setUser(user);
 154
 155                         // ... and copy it to the controller
 156                         this.beanHelper.copyUserToController();
 157
 158                         // Try to confirm it
 159                         this.confirmUserAccount();
 160                 }
 161         }
 162
 163         /**
 164          * Tries to confirm the currently set user instance (in helper).
 165          */
 166         private void confirmUserAccount () {
 167                 // Get user instance
 168                 User user = this.beanHelper.getUser();
 169
 170                 // Should be set
 171                 if (null == user) {
 172                         // Throw NPE
 173                         throw new NullPointerException("user is null");
 174                 } else if (user.getUserId() == null) {
 175                         // Abort here
 176                         throw new NullPointerException("user.userId is null"); //NOI18N
 177                 } else if (user.getUserId() < 1) {
 178                         // Invalid number
 179                         throw new IllegalArgumentException(MessageFormat.format("userId is not valid: {0}", user.getUserId())); //NOI18N
 180                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 181                         // Account is already confirmed
 182                         throw new FaceletException(new UserStatusConfirmedException(user));
 183                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 184                         // Account is already confirmed
 185                         throw new FaceletException(new UserStatusLockedException(user));
 186                 } else if (user.getUserConfirmKey() == null) {
 187                         // Throw NPE
 188                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 189                 }
 190
 191                 // Updated user instance
 192                 User updatedUser;
 193
 194                 try {
 195                         // Get base URL
 196                         String baseUrl = FacesUtils.generateBaseUrl();
 197
 198                         // Confirm account
 199                         updatedUser = this.userBean.confirmAccount(user, baseUrl);
 200                 } catch (final UserStatusConfirmedException | UserStatusLockedException ex) {
 201                         // Something unexpected happened
 202                         throw new FaceletException(MessageFormat.format("Cannot confirm user account {0}", user.getUserName()), ex); //NOI18N
 203                 }
 204
 205                 // Fire event that the user has confirmed account
 206                 this.userConfirmedEvent.fire(new ConfirmedUserAccountEvent(updatedUser));
 207
 208                 // Set it again in helper
 209                 this.beanHelper.setUser(updatedUser);
 210         }
 211
 212 }