git.mxchange.org Git - addressbook-war.git/blob

   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.addressbook.beans.user.email_address;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import java.util.Objects;
  22 import javax.annotation.PostConstruct;
  23 import javax.enterprise.context.SessionScoped;
  24 import javax.faces.view.facelets.FaceletException;
  25 import javax.inject.Inject;
  26 import javax.inject.Named;
  27 import javax.naming.Context;
  28 import javax.naming.InitialContext;
  29 import javax.naming.NamingException;
  30 import org.mxchange.addressbook.beans.BaseAddressbookController;
  31 import org.mxchange.addressbook.beans.features.AddressbookFeaturesWebApplicationController;
  32 import org.mxchange.addressbook.beans.login.user.AddressbookUserLoginWebSessionController;
  33 import org.mxchange.jcontacts.contact.Contact;
  34 import org.mxchange.jcoreee.utils.FacesUtils;
  35 import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
  36 import org.mxchange.jusercore.model.email_address.ChangeableEmailAddress;
  37 import org.mxchange.jusercore.model.email_address.EmailAddressChange;
  38 import org.mxchange.jusercore.model.user.email_address.UserEmailChangeSessionBeanRemote;
  39 import org.mxchange.jusercore.model.user.User;
  40
  41 /**
  42  * A web session-scoped bean for changing email addresses
  43  * <p>
  44  * @author Roland Häder<roland@mxchange.org>
  45  */
  46 @Named ("userEmailChangeController")
  47 @SessionScoped
  48 public class AddressbookEmailChangeWebSessionBean extends BaseAddressbookController implements AddressbookEmailChangeWebSessionController {
  49
  50         /**
  51          * Serial number
  52          */
  53         private static final long serialVersionUID = 186_078_724_659_153L;
  54
  55         /**
  56          * Email address 1 (changing)
  57          */
  58         private String emailAddress;
  59
  60         /**
  61          * Email address 2 (repeat in changing)
  62          */
  63         private String emailAddressRepeat;
  64
  65         /**
  66          * Local list of already queued email addresses
  67          */
  68         private List<String> emailAddresses;
  69
  70         /**
  71          * Remote email change bean
  72          */
  73         private UserEmailChangeSessionBeanRemote emailChangeBean;
  74
  75         /**
  76          * Features controller
  77          */
  78         @Inject
  79         private AddressbookFeaturesWebApplicationController featureController;
  80
  81         /**
  82          * Login controller (bean)
  83          */
  84         @Inject
  85         private AddressbookUserLoginWebSessionController userLoginController;
  86
  87         /**
  88          * Default constructor
  89          */
  90         public AddressbookEmailChangeWebSessionBean () {
  91                 // Call super constructor
  92                 super();
  93         }
  94
  95         @Override
  96         public String doUserChangeEmailAddress () {
  97                 // This method shall only be called if the user is logged-in
  98                 if (!this.userLoginController.isUserLoggedIn()) {
  99                         // Not logged-in
 100                         throw new IllegalStateException("User is not logged-in"); //NOI18N
 101                 } else if (!this.featureController.isFeatureEnabled("user_change_email_address")) { //NOI18N
 102                         // Editing is not allowed
 103                         throw new IllegalStateException("User tried to change email address"); //NOI18N
 104                 } else if (!this.isRequiredChangeEmailAddressSet()) {
 105                         // Not all required fields are set
 106                         throw new FaceletException("Not all required fields are set."); //NOI18N
 107                 } else if (!Objects.equals(this.getEmailAddress(), this.getEmailAddressRepeat())) {
 108                         // Email address 1+2 mismatch
 109                         this.showFacesMessage("form_user_change_email_address:emailAddressRepeat", "ERROR_USER_EMAIL_ADDRESSES_MISMATCH"); //NOI18N
 110                         return ""; //NOI18N
 111                 } else if (!this.userLoginController.ifCurrentPasswordMatches()) {
 112                         // Password not matching
 113                         this.showFacesMessage("form_login_user_change_email_address:currentPassword", new UserPasswordMismatchException(this.userLoginController.getLoggedInUser())); //NOI18N
 114                         return ""; //NOI18N
 115                 }
 116
 117                 // Get user instance
 118                 User user = this.userLoginController.getLoggedInUser();
 119
 120                 // It should be there, so run some tests on it
 121                 assert (user instanceof User) : "Instance userLoginController.loggedInUser is null"; //NOI18N
 122                 assert (user.getUserId() instanceof Long) : "Instance userLoginController.loggedInUser.userId is null"; //NOI18N
 123                 assert (user.getUserId() > 0) : MessageFormat.format("userLoginController.loggedInUser.userId={0} is invalid", user.getUserId()); //NOI18N
 124                 assert (user.getUserContact() instanceof Contact) : "Instance userLoginController.loggedInUser.userContact is null"; //NOI18N
 125                 assert (user.getUserContact().getContactId() instanceof Long) : "Instance userLoginController.userContact.contactId is null"; //NOI18N
 126                 assert (user.getUserContact().getContactId() > 0) : MessageFormat.format("Instance userLoginController.userContact.contactId={0} is invalid", user.getUserContact().getContactId()); //NOI18N
 127
 128                 // Check if the email address is already enqueued
 129                 if (this.isEmailAddressQueued(this.getEmailAddress())) {
 130                         // Clear both email addresses
 131                         this.setEmailAddress(null);
 132                         this.setEmailAddressRepeat(null);
 133
 134                         // Yes, then abort here
 135                         this.showFacesMessage("form_user_change_email_address:emailAddress", "ERROR_USER_CHANGE_EMAIL_ADDRESS_ALREADY_QUEUED"); //NOI18N
 136                         return ""; //NOI18N
 137                 }
 138
 139                 // Create change object, to save EJB calls, the hash is not generated here
 140                 ChangeableEmailAddress emailChange = new EmailAddressChange(user, this.getEmailAddress());
 141
 142                 // Get base URL
 143                 String baseUrl = FacesUtils.generateBaseUrl();
 144
 145                 // Call EJB
 146                 this.emailChangeBean.enqueueEmailAddressForChange(emailChange, baseUrl);
 147
 148                 // Unset all so the user is forced to re-enter it
 149                 this.clear();
 150
 151                 // All fine
 152                 return "user_login_email_change_queued"; //NOI18N
 153         }
 154
 155         @Override
 156         public String getEmailAddress () {
 157                 return this.emailAddress;
 158         }
 159
 160         @Override
 161         public void setEmailAddress (final String emailAddress) {
 162                 this.emailAddress = emailAddress;
 163         }
 164
 165         @Override
 166         public String getEmailAddressRepeat () {
 167                 return this.emailAddressRepeat;
 168         }
 169
 170         @Override
 171         public void setEmailAddressRepeat (final String emailAddressRepeat) {
 172                 this.emailAddressRepeat = emailAddressRepeat;
 173         }
 174
 175         /**
 176          * Post-construction
 177          */
 178         @PostConstruct
 179         public void init () {
 180                 // Try it
 181                 try {
 182                         // Get initial context
 183                         Context context = new InitialContext();
 184
 185                         // Try to lookup
 186                         this.emailChangeBean = (UserEmailChangeSessionBeanRemote) context.lookup("java:global/addressbook-ejb/userEmailChange!org.mxchange.jusercore.model.email_address.EmailChangeSessionBeanRemote"); //NOI18N
 187                 } catch (final NamingException e) {
 188                         // Throw again
 189                         throw new FaceletException(e);
 190                 }
 191
 192                 // Init list
 193                 this.emailAddresses = this.emailChangeBean.allQueuedAddresses();
 194         }
 195
 196         @Override
 197         public boolean isRequiredChangeEmailAddressSet () {
 198                 return ((this.getEmailAddress() != null) &&
 199                                 (this.getEmailAddressRepeat() != null));
 200         }
 201
 202         /**
 203          * Clears email address fields so the user has to re-enter them
 204          */
 205         private void clear () {
 206                 // Clear fields
 207                 this.setEmailAddress(null);
 208                 this.setEmailAddressRepeat(null);
 209         }
 210
 211         /**
 212          * Checks if given email address has already been queued. First a local list
 213          * is being checked, if not found, the EJB is called. Only if found, the
 214          * result is "cached" in the list.
 215          * <p>
 216          * @param emailAddress Email address to verify
 217          * <p>
 218          * @return Whether the email address in field emailAddress is already queued
 219          */
 220         private boolean isEmailAddressQueued (final String emailAddress) {
 221                 // It should be there
 222                 assert (emailAddress != null) : "emailAddress should not be null"; //NOI18N
 223                 assert (!emailAddress.trim().isEmpty()) : "emailAddress should not be empty"; //NOI18N
 224
 225                 // Check list
 226                 if (this.emailAddresses.contains(emailAddress)) {
 227                         // Okay, found it
 228                         return true;
 229                 }
 230
 231                 // Check EJB
 232                 boolean isQueued = this.emailChangeBean.isEmailAddressEnqueued(emailAddress);
 233
 234                 // Is it there?
 235                 if (isQueued) {
 236                         // Add to list
 237                         this.emailAddresses.add(emailAddress);
 238                 }
 239
 240                 // Return status
 241                 return isQueued;
 242         }
 243
 244 }