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

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   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.annotation.PostConstruct;
  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 javax.naming.Context;
  31 import javax.naming.InitialContext;
  32 import javax.naming.NamingException;
  33 import org.mxchange.jcoreee.utils.FacesUtils;
  34 import org.mxchange.jusercore.events.confirmation.ObservableUserConfirmedAccountEvent;
  35 import org.mxchange.jusercore.events.confirmation.UserConfirmedAccountEvent;
  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.pizzaapplication.beans.BasePizzaController;
  42 import org.mxchange.pizzaapplication.beans.helper.PizzaWebRequestHelperController;
  43 import org.mxchange.pizzaapplication.beans.user.PizzaUserWebSessionController;
  44
  45 /**
  46  * A web request bean for confirmation link handling
  47  * <p>
  48  * @author Roland Häder<roland@mxchange.org>
  49  */
  50 @Named ("confirmationLinkController")
  51 @RequestScoped
  52 public class PizzaConfirmationLinkWebRequestBean extends BasePizzaController implements PizzaConfirmationLinkWebRequestController {
  53
  54         /**
  55          * Serial number
  56          */
  57         private static final long serialVersionUID = 57_637_182_796_370L;
  58
  59         /**
  60          * Bean helper instance
  61          */
  62         @Inject
  63         private PizzaWebRequestHelperController beanHelper;
  64
  65         /**
  66          * Confirmation key
  67          */
  68         private String confirmationKey;
  69
  70         /**
  71          * Remote user bean
  72          */
  73         private UserSessionBeanRemote userBean;
  74
  75         /**
  76          * Event being fired when a user has confirmed the account
  77          */
  78         @Inject
  79         @Any
  80         private Event<ObservableUserConfirmedAccountEvent> userConfirmedEvent;
  81
  82         /**
  83          * User controller
  84          */
  85         @Inject
  86         private PizzaUserWebSessionController userController;
  87
  88         /**
  89          * Default constructor
  90          */
  91         public PizzaConfirmationLinkWebRequestBean () {
  92                 // Call super constructor
  93                 super();
  94         }
  95
  96         @Override
  97         public String getConfirmationKey () {
  98                 return this.confirmationKey;
  99         }
 100
 101         @Override
 102         public void setConfirmationKey (final String confirmationKey) {
 103                 this.confirmationKey = confirmationKey;
 104         }
 105
 106         /**
 107          * Post-construction method
 108          */
 109         @PostConstruct
 110         public void init () {
 111                 // Try it
 112                 try {
 113                         // Get initial context
 114                         Context context = new InitialContext();
 115
 116                         // Try to lookup
 117                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/pizzaservice-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
 118                 } catch (final NamingException e) {
 119                         // Throw again
 120                         throw new FaceletException(e);
 121                 }
 122         }
 123
 124         @Override
 125         public void maybeConfirmUserAccount () {
 126                 // Is the confirmation key set?
 127                 if (this.getConfirmationKey() == null) {
 128                         // May be null if not set
 129                         return;
 130                 } else if (this.getConfirmationKey().isEmpty()) {
 131                         // Is empty string
 132                         return;
 133                 }
 134
 135                 // Now try to find the user in user list, first get the whole list
 136                 List<User> users = this.userController.allUsers();
 137
 138                 // Get iterator from it
 139                 Iterator<User> iterator = users.iterator();
 140
 141                 // Init instance
 142                 User user = null;
 143
 144                 // Then loop through all
 145                 while (iterator.hasNext()) {
 146                         // Get next user
 147                         User next = iterator.next();
 148
 149                         // Same confirmation key?
 150                         if (Objects.equals(this.getConfirmationKey(), next.getUserConfirmKey())) {
 151                                 // Found it, then set it and abort loop
 152                                 user = next;
 153                                 break;
 154                         }
 155                 }
 156
 157                 // Is the user instance null?
 158                 if ((null == user) || (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED)) {
 159                         // Then clear this bean and the helper
 160                         this.beanHelper.setUser(null);
 161                 } else {
 162                         // Set user ...
 163                         this.beanHelper.setUser(user);
 164
 165                         // ... and copy it to the controller
 166                         this.beanHelper.copyUserToController();
 167
 168                         // Try to confirm it
 169                         this.confirmUserAccount();
 170                 }
 171         }
 172
 173         /**
 174          * Tries to confirm the currently set user instance (in helper).
 175          */
 176         private void confirmUserAccount () {
 177                 // Get user instance
 178                 User user = this.beanHelper.getUser();
 179
 180                 // Should be set
 181                 if (null == user) {
 182                         // Throw NPE
 183                         throw new NullPointerException("user is null");
 184                 } else if (user.getUserId() == null) {
 185                         // Abort here
 186                         throw new NullPointerException("user.userId is null"); //NOI18N
 187                 } else if (user.getUserId() < 1) {
 188                         // Invalid number
 189                         throw new IllegalArgumentException(MessageFormat.format("userId is not valid: {0}", user.getUserId())); //NOI18N
 190                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 191                         // Account is already confirmed
 192                         throw new FaceletException(new UserStatusConfirmedException(user));
 193                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 194                         // Account is already confirmed
 195                         throw new FaceletException(new UserStatusLockedException(user));
 196                 } else if (user.getUserConfirmKey() == null) {
 197                         // Throw NPE
 198                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 199                 }
 200
 201                 // Updated user instance
 202                 User updatedUser;
 203
 204                 try {
 205                         // Get base URL
 206                         String baseUrl = FacesUtils.generateBaseUrl();
 207
 208                         // Confirm account
 209                         updatedUser = this.userBean.confirmAccount(user, baseUrl);
 210                 } catch (final UserStatusConfirmedException | UserStatusLockedException ex) {
 211                         // Something unexpected happened
 212                         throw new FaceletException(MessageFormat.format("Cannot confirm user account {0}", user.getUserName()), ex); //NOI18N
 213                 }
 214
 215                 // Fire event that the user has confirmed account
 216                 this.userConfirmedEvent.fire(new UserConfirmedAccountEvent(updatedUser));
 217
 218                 // Set it again in helper
 219                 this.beanHelper.setUser(updatedUser);
 220         }
 221
 222 }