src/java/org/mxchange/addressbook/beans/email_address/AddressbookEmailChangeWebSessionBean.java

   1 /*
   2  * Copyright (C) 2016 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.addressbook.beans.email_address;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import java.util.Objects;
  22 import javax.enterprise.context.SessionScoped;
  23 import javax.faces.view.facelets.FaceletException;
  24 import javax.inject.Inject;
  25 import javax.inject.Named;
  26 import javax.naming.Context;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.addressbook.beans.BaseAddressbookController;
  30 import org.mxchange.addressbook.beans.features.AddressbookFeaturesWebApplicationController;
  31 import org.mxchange.addressbook.beans.login.AddressbookUserLoginWebSessionController;
  32 import org.mxchange.jcontacts.contact.Contact;
  33 import org.mxchange.jcoreee.utils.FacesUtils;
  34 import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
  35 import org.mxchange.jusercore.model.email_address.ChangeableEmailAddress;
  36 import org.mxchange.jusercore.model.email_address.EmailAddressChange;
  37 import org.mxchange.jusercore.model.email_address.UserEmailChangeSessionBeanRemote;
  38 import org.mxchange.jusercore.model.user.User;
  39
  40 /**
  41  * A web session bean for changing email addresses
  42  * <p>
  43  * @author Roland Häder<roland@mxchange.org>
  44  */
  45 @Named ("emailChangeController")
  46 @SessionScoped
  47 public class AddressbookEmailChangeWebSessionBean extends BaseAddressbookController implements AddressbookEmailChangeWebSessionController {
  48
  49         /**
  50          * Serial number
  51          */
  52         private static final long serialVersionUID = 186_078_724_659_153L;
  53
  54         /**
  55          * Email address 1 (changing)
  56          */
  57         private String emailAddress;
  58
  59         /**
  60          * Email address 2 (repeat in changing)
  61          */
  62         private String emailAddressRepeat;
  63
  64         /**
  65          * Local list of already queued email addresses
  66          */
  67         private List<String> emailAddresses;
  68
  69         /**
  70          * Remote email change bean
  71          */
  72         private final UserEmailChangeSessionBeanRemote emailBean;
  73
  74         /**
  75          * Features controller
  76          */
  77         @Inject
  78         private AddressbookFeaturesWebApplicationController featureController;
  79
  80         /**
  81          * Login bean (controller)
  82          */
  83         @Inject
  84         private AddressbookUserLoginWebSessionController userLoginController;
  85
  86         /**
  87          * Default constructor
  88          */
  89         public AddressbookEmailChangeWebSessionBean () {
  90                 // Try it
  91                 try {
  92                         // Get initial context
  93                         Context context = new InitialContext();
  94
  95                         // Try to lookup
  96                         this.emailBean = (UserEmailChangeSessionBeanRemote) context.lookup("java:global/addressbook-ejb/email-change!org.mxchange.jusercore.model.email_address.EmailChangeSessionBeanRemote"); //NOI18N
  97
  98                         // Init list
  99                         this.emailAddresses = this.emailBean.allQueuedAddresses();
 100                 } catch (final NamingException e) {
 101                         // Throw again
 102                         throw new FaceletException(e);
 103                 }
 104         }
 105
 106         @Override
 107         public String doUserChangeEmailAddress () {
 108                 // This method shall only be called if the user is logged-in
 109                 if (!this.userLoginController.isUserLoggedIn()) {
 110                         // Not logged-in
 111                         throw new IllegalStateException("User is not logged-in"); //NOI18N
 112                 } else if (!this.isRequiredChangeEmailAddressSet()) {
 113                         // Not all required fields are set
 114                         throw new FaceletException("Not all required fields are set."); //NOI18N
 115                 } else if (!Objects.equals(this.getEmailAddress(), this.getEmailAddressRepeat())) {
 116                         // Email address 1+2 mismatch
 117                         throw new FaceletException("Email address 1/2 are mismatching."); //NOI18N
 118                 } else if (!this.userLoginController.ifCurrentPasswordMatches()) {
 119                         // Password not matching
 120                         this.showFacesMessage("form_login_user_change_email_address:currentPassword", new UserPasswordMismatchException(this.userLoginController.getLoggedInUser())); //NOI18N
 121                         return ""; //NOI18N
 122                 } else if (!this.featureController.isFeatureEnabled("edit_user_data")) { //NOI18N
 123                         // Editing is not allowed
 124                         throw new IllegalStateException("User tried to edit personal data"); //NOI18N
 125                 }
 126
 127                 // Get user instance
 128                 User user = this.userLoginController.getLoggedInUser();
 129
 130                 // It should be there, so run some tests on it
 131                 assert (user instanceof User) : "Instance loginController.loggedInUser is null"; //NOI18N
 132                 assert (user.getUserId() instanceof Long) : "Instance loginController.loggedInUser.userId is null"; //NOI18N
 133                 assert (user.getUserId() > 0) : MessageFormat.format("loginController.loggedInUser.userId={0} is invalid", user.getUserId()); //NOI18N
 134                 assert (user.getUserContact() instanceof Contact) : "Instance loginController.loggedInUser.userContact is null"; //NOI18N
 135                 assert (user.getUserContact().getContactId() instanceof Long) : "Instance loginController.userContact.contactId is null"; //NOI18N
 136                 assert (user.getUserContact().getContactId() > 0) : MessageFormat.format("Instance loginController.userContact.contactId={0} is invalid", user.getUserContact().getContactId()); //NOI18N
 137
 138                 // Check if the email address is already enqueued
 139                 if (this.isEmailAddressQueued(this.getEmailAddress())) {
 140                         // Yes, then abort here
 141                         return "login_email_already_added"; //NOI18N
 142                 }
 143
 144                 // Create change object, to save EJB calls, the hash is not generated here
 145                 ChangeableEmailAddress emailChange = new EmailAddressChange(user, this.getEmailAddress());
 146
 147                 // Get base URL
 148                 String baseUrl = FacesUtils.generateBaseUrl();
 149
 150                 // Call EJB
 151                 this.emailBean.enqueueEmailAddressForChange(emailChange, baseUrl);
 152
 153                 // Unset all so the user is forced to re-enter it
 154                 this.clear();
 155
 156                 // All fine
 157                 return "login_email_change_queued"; //NOI18N
 158         }
 159
 160         @Override
 161         public String getEmailAddress () {
 162                 return this.emailAddress;
 163         }
 164
 165         @Override
 166         public void setEmailAddress (final String emailAddress) {
 167                 this.emailAddress = emailAddress;
 168         }
 169
 170         @Override
 171         public String getEmailAddressRepeat () {
 172                 return this.emailAddressRepeat;
 173         }
 174
 175         @Override
 176         public void setEmailAddressRepeat (final String emailAddressRepeat) {
 177                 this.emailAddressRepeat = emailAddressRepeat;
 178         }
 179
 180         @Override
 181         public boolean isRequiredChangeEmailAddressSet () {
 182                 return ((this.getEmailAddress() != null) &&
 183                                 (this.getEmailAddressRepeat() != null));
 184         }
 185
 186         /**
 187          * Clears email address fields so the user has to re-enter them
 188          */
 189         private void clear () {
 190                 // Clear fields
 191                 this.setEmailAddress(null);
 192                 this.setEmailAddressRepeat(null);
 193         }
 194
 195         /**
 196          * Checks if given email address has already been queued. First a local list
 197          * is being checked, if not found, the EJB is called. Only if found, the
 198          * result is "cached" in the list.
 199          * <p>
 200          * @param emailAddress Email address to verify
 201          * <p>
 202          * @return Whether the email address in field emailAddress is already queued
 203          */
 204         private boolean isEmailAddressQueued (final String emailAddress) {
 205                 // It should be there
 206                 assert (emailAddress != null) : "emailAddress should not be null"; //NOI18N
 207                 assert (!emailAddress.trim().isEmpty()) : "emailAddress should not be empty"; //NOI18N
 208
 209                 // Check list
 210                 if (this.emailAddresses.contains(emailAddress)) {
 211                         // Okay, found it
 212                         return true;
 213                 }
 214
 215                 // Check EJB
 216                 boolean isQueued = this.emailBean.isEmailAddressEnqueued(emailAddress);
 217
 218                 // Is it there?
 219                 if (isQueued) {
 220                         // Add to list
 221                         this.emailAddresses.add(emailAddress);
 222                 }
 223
 224                 // Return status
 225                 return isQueued;
 226         }
 227
 228 }