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.exceptions.UserStatusConfirmedException;
  35 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  36 import org.mxchange.jusercore.model.user.User;
  37 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  38 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  39 import org.mxchange.juserlogincore.events.confirmation.ObservableUserConfirmedAccountEvent;
  40 import org.mxchange.juserlogincore.events.confirmation.UserConfirmedAccountEvent;
  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 ("userConfirmationLinkController")
  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                 // Trace message
 127                 System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: CALLED!", this.getClass().getSimpleName())); //NOI18N
 128
 129                 // Is the confirmation key set?
 130                 if (this.getConfirmationKey() == null) {
 131                         // May be null if not set
 132                         return;
 133                 } else if (this.getConfirmationKey().isEmpty()) {
 134                         // Is empty string
 135                         return;
 136                 }
 137
 138                 // Now try to find the user in user list, first get the whole list
 139                 List<User> users = this.userController.allUsers();
 140
 141                 // Debug message
 142                 System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: users.size()={1}", this.getClass().getSimpleName(), users.size())); //NOI18N
 143
 144                 // Get iterator from it
 145                 Iterator<User> iterator = users.iterator();
 146
 147                 // Init instance
 148                 User user = null;
 149
 150                 // Then loop through all
 151                 while (iterator.hasNext()) {
 152                         // Get next user
 153                         User next = iterator.next();
 154
 155                         // Debug message
 156                         System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: this.confirmationKey={1},next.confirmationKey={2}", this.getClass().getSimpleName(), this.getConfirmationKey(), next.getUserConfirmKey())); //NOI18N
 157
 158                         // Same confirmation key?
 159                         if (Objects.equals(this.getConfirmationKey(), next.getUserConfirmKey())) {
 160                                 // Debug message
 161                                 System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: next={1} - Aborting ...", this.getClass().getSimpleName(), next)); //NOI18N
 162
 163                                 // Found it, then set it and abort loop
 164                                 user = next;
 165                                 break;
 166                         }
 167                 }
 168
 169                 // Debug message
 170                 System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: user={1}", this.getClass().getSimpleName(), user)); //NOI18N
 171
 172                 // Is the user instance null?
 173                 if ((null == user) || (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED)) {
 174                         // Then clear this bean and the helper
 175                         this.beanHelper.setUser(null);
 176                 } else {
 177                         // Try to confirm it
 178                         this.confirmUserAccount(user);
 179                 }
 180
 181                 // Trace message
 182                 System.out.println(MessageFormat.format("{0}.maybeConfirmAccount: EXIT!", this.getClass().getSimpleName())); //NOI18N
 183         }
 184
 185         /**
 186          * Tries to confirm the currently set user instance (in helper).
 187          * <p>
 188          * @param user User instance
 189          */
 190         private void confirmUserAccount (final User user) {
 191                 // Trace message
 192                 System.out.println(MessageFormat.format("{0}.confirmUserAccount: user={1} - CALLED!", this.getClass().getSimpleName(), user)); //NOI18N
 193
 194                 // Should be set
 195                 if (null == user) {
 196                         // Throw NPE
 197                         throw new NullPointerException("user is null"); //NOI18N
 198                 } else if (user.getUserId() == null) {
 199                         // Abort here
 200                         throw new NullPointerException("user.userId is null"); //NOI18N
 201                 } else if (user.getUserId() < 1) {
 202                         // Invalid number
 203                         throw new IllegalArgumentException(MessageFormat.format("userId is not valid: {0}", user.getUserId())); //NOI18N
 204                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 205                         // Account is already confirmed
 206                         throw new FaceletException(new UserStatusConfirmedException(user));
 207                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 208                         // Account is already confirmed
 209                         throw new FaceletException(new UserStatusLockedException(user));
 210                 } else if (user.getUserConfirmKey() == null) {
 211                         // Throw NPE
 212                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 213                 } else if (user.getUserConfirmKey().isEmpty()) {
 214                         // Is empty string
 215                         throw new IllegalArgumentException("user.userConfirmKey is empty"); //NOI18N
 216                 }
 217
 218                 // Updated user instance
 219                 User updatedUser;
 220
 221                 try {
 222                         // Get base URL
 223                         String baseUrl = FacesUtils.generateBaseUrl();
 224
 225                         // Debug message
 226                         System.out.println(MessageFormat.format("{0}.confirmUserAccount: baseUrl={1}", this.getClass().getSimpleName(), baseUrl)); //NOI18N
 227
 228                         // Confirm account
 229                         updatedUser = this.userBean.confirmAccount(user, baseUrl);
 230
 231                         // Debug message
 232                         System.out.println(MessageFormat.format("{0}.confirmUserAccount: updatedUser={1} - Returned from EJB", this.getClass().getSimpleName(), updatedUser)); //NOI18N
 233                 } catch (final UserStatusConfirmedException | UserStatusLockedException ex) {
 234                         // Something unexpected happened
 235                         throw new FaceletException(MessageFormat.format("Cannot confirm user account {0}", user.getUserName()), ex); //NOI18N
 236                 }
 237
 238                 // Fire event that the user has confirmed account
 239                 this.userConfirmedEvent.fire(new UserConfirmedAccountEvent(updatedUser));
 240
 241                 // Debug message
 242                 System.out.println(MessageFormat.format("{0}.confirmUserAccount: updatedUser={1}", this.getClass().getSimpleName(), updatedUser)); //NOI18N
 243
 244                 // Set it again in helper
 245                 this.beanHelper.setUser(updatedUser);
 246
 247                 // ... and copy it to the controller
 248                 this.beanHelper.copyUserToController();
 249
 250                 // Trace message
 251                 System.out.println(MessageFormat.format("{0}.confirmUserAccount: EXIT!", this.getClass().getSimpleName())); //NOI18N
 252         }
 253
 254 }