src/java/org/mxchange/pizzaapplication/beans/user/PizzaAdminUserWebRequestBean.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.user;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Objects;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.RequestScoped;
  23 import javax.enterprise.event.Event;
  24 import javax.enterprise.inject.Any;
  25 import javax.faces.view.facelets.FaceletException;
  26 import javax.inject.Inject;
  27 import javax.inject.Named;
  28 import javax.naming.Context;
  29 import javax.naming.InitialContext;
  30 import javax.naming.NamingException;
  31 import org.mxchange.jcontacts.contact.Contact;
  32 import org.mxchange.jusercore.container.login.UserLoginContainer;
  33 import org.mxchange.jusercore.events.user.AdminAddedUserEvent;
  34 import org.mxchange.jusercore.events.user.AdminUserAddedEvent;
  35 import org.mxchange.jusercore.events.user.update.AdminUpdatedUserDataEvent;
  36 import org.mxchange.jusercore.events.user.update.AdminUserDataUpdatedEvent;
  37 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
  38 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
  39 import org.mxchange.jusercore.exceptions.UserPasswordRepeatMismatchException;
  40 import org.mxchange.jusercore.model.user.LoginUser;
  41 import org.mxchange.jusercore.model.user.User;
  42 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  43 import org.mxchange.jusercore.model.user.UserUtils;
  44 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
  45 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  46 import org.mxchange.pizzaapplication.beans.contact.PizzaContactWebSessionController;
  47 import org.mxchange.pizzaapplication.beans.helper.PizzaAdminWebRequestController;
  48
  49 /**
  50  * Administrative user bean (controller)
  51  * <p>
  52  * @author Roland Haeder<roland@mxchange.org>
  53  */
  54 @Named ("adminUserController")
  55 @RequestScoped
  56 public class PizzaAdminUserWebRequestBean implements PizzaAdminUserWebRequestController {
  57
  58         /**
  59          * Serial number
  60          */
  61         private static final long serialVersionUID = 542_145_347_916L;
  62
  63         /**
  64          * An event fired when the administrator has added a new user
  65          */
  66         @Inject
  67         @Any
  68         private Event<AdminAddedUserEvent> addedUserEvent;
  69
  70         /**
  71          * Admin helper instance
  72          */
  73         @Inject
  74         private PizzaAdminWebRequestController adminHelper;
  75
  76         /**
  77          * Regular contact controller
  78          */
  79         @Inject
  80         private PizzaContactWebSessionController contactController;
  81
  82         /**
  83          * An event fired when the administrator has updated a new user
  84          */
  85         @Inject
  86         @Any
  87         private Event<AdminUpdatedUserDataEvent> updatedUserDataEvent;
  88
  89         /**
  90          * Remote user bean
  91          */
  92         private final UserSessionBeanRemote userBean;
  93
  94         /**
  95          * Regular user controller
  96          */
  97         @Inject
  98         private PizzaUserWebSessionController userController;
  99
 100         /**
 101          * User name
 102          */
 103         private String userName;
 104
 105         /**
 106          * User password (unencrypted from web form)
 107          */
 108         private String userPassword;
 109
 110         /**
 111          * User password repeated (unencrypted from web form)
 112          */
 113         private String userPasswordRepeat;
 114
 115         /**
 116          * Default constructor
 117          */
 118         public PizzaAdminUserWebRequestBean () {
 119                 // Try it
 120                 try {
 121                         // Get initial context
 122                         Context context = new InitialContext();
 123
 124                         // Try to lookup
 125                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/PizzaService-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
 126                 } catch (final NamingException e) {
 127                         // Throw again
 128                         throw new FaceletException(e);
 129                 }
 130         }
 131
 132         @Override
 133         public String addUser () {
 134                 // Create new user instance
 135                 User user = new LoginUser();
 136
 137                 // As the form cannot validate the data (required="true"), check it here
 138                 if (this.getUserName() == null) {
 139                         // Throw NPE
 140                         throw new NullPointerException("userName is null"); //NOI18N
 141                 } else if (this.getUserName().isEmpty()) {
 142                         // Is empty
 143                         throw new IllegalArgumentException("userName is null"); //NOI18N
 144                 } else if (this.adminHelper.getContact() == null) {
 145                         // No contact instance set, so test required fields: gender, first name and family name
 146                         if (this.contactController.getGender() == null) {
 147                                 // Throw NPE again
 148                                 throw new NullPointerException("contactController.gender is null"); //NOI18N
 149                         } else if (this.contactController.getFirstName() == null) {
 150                                 // ... and again
 151                                 throw new NullPointerException("contactController.firstName is null"); //NOI18N //NOI18N
 152                         } else if (this.contactController.getFirstName().isEmpty()) {
 153                                 // ... and again
 154                                 throw new IllegalArgumentException("contactController.firstName is empty");
 155                         } else if (this.contactController.getFamilyName() == null) {
 156                                 // ... and again
 157                                 throw new NullPointerException("contactController.familyName is null"); //NOI18N
 158                         } else if (this.contactController.getFamilyName().isEmpty()) {
 159                                 // ... and again
 160                                 throw new IllegalArgumentException("contactController.familyName is empty"); //NOI18N //NOI18N
 161                         } else if (this.contactController.getEmailAddress() == null) {
 162                                 // ... and again
 163                                 throw new NullPointerException("contactController.emailAddress is null");
 164                         } else if (this.contactController.getEmailAddress().isEmpty()) {
 165                                 // ... and again
 166                                 throw new IllegalArgumentException("contactController.emailAddress is empty"); //NOI18N //NOI18N
 167                         } else if (this.contactController.getEmailAddressRepeat() == null) {
 168                                 // ... and again
 169                                 throw new NullPointerException("contactController.emailAddressRepeat is null");
 170                         } else if (this.contactController.getEmailAddressRepeat().isEmpty()) {
 171                                 // ... and again
 172                                 throw new IllegalArgumentException("contactController.emailAddressRepeat is empty"); //NOI18N //NOI18N
 173                         } else if (!Objects.equals(this.contactController.getEmailAddress(), this.contactController.getEmailAddressRepeat())) {
 174                                 // Is not same email address
 175                                 throw new IllegalArgumentException("Both entered email addresses don't match.");
 176                         }
 177                 }
 178
 179                 // Set user name, CONFIRMED and INVISIBLE
 180                 user.setUserName(this.getUserName());
 181                 user.setUserAccountStatus(UserAccountStatus.CONFIRMED);
 182                 user.setUserProfileMode(ProfileMode.INVISIBLE);
 183
 184                 // Init instance
 185                 Contact contact;
 186
 187                 // Is a contact instance in helper set?
 188                 if (this.adminHelper.getContact() instanceof Contact) {
 189                         // Then use it for contact linking
 190                         contact = this.adminHelper.getContact();
 191                 } else {
 192                         // Create contact instance
 193                         contact = this.contactController.createContactInstance();
 194                 }
 195
 196                 // Set contact in user
 197                 user.setUserContact(contact);
 198
 199                 // Init variable for password
 200                 String password = null;
 201
 202                 // Is the user name or email address used already?
 203                 // @TODO Add password length check
 204                 if (this.userController.isUserNameRegistered(user)) {
 205                         // User name is already used
 206                         throw new FaceletException(new UserNameAlreadyRegisteredException(user));
 207                 } else if ((this.adminHelper.getContact() == null) && (this.contactController.isEmailAddressRegistered(user.getUserContact()))) {
 208                         // Email address is already used
 209                         throw new FaceletException(new EmailAddressAlreadyRegisteredException(user));
 210                 } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
 211                         // Empty password entered, then generate one
 212                         password = UserUtils.createRandomPassword(PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
 213                 } else if (!this.isSamePasswordEntered()) {
 214                         // Both passwords don't match
 215                         throw new FaceletException(new UserPasswordRepeatMismatchException(user));
 216                 } else {
 217                         // Both match, so get it from this bean
 218                         password = this.getUserPassword();
 219                 }
 220
 221                 // The password should not be null and at least 5 characters long
 222                 assert (password != null) : "password is null"; //NOI18N
 223                 assert (password.length() >= PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N
 224
 225                 // Encrypt password and set it
 226                 user.setUserEncryptedPassword(UserUtils.encryptPassword(password));
 227
 228                 // Init updated user instance
 229                 User updatedUser = null;
 230
 231                 try {
 232                         // Now, that all is set, call EJB
 233                         if (this.adminHelper.getContact() instanceof Contact) {
 234                                 // Link contact with this user
 235                                 updatedUser = this.userBean.linkUser(user);
 236                         } else {
 237                                 // Add new contact
 238                                 updatedUser = this.userBean.addUser(user);
 239                         }
 240                 } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
 241                         // Throw again
 242                         throw new FaceletException(ex);
 243                 }
 244
 245                 // Fire event
 246                 this.addedUserEvent.fire(new AdminUserAddedEvent(updatedUser));
 247
 248                 // Clear contact instance
 249                 this.contactController.clear();
 250
 251                 // Return to user list (for now)
 252                 return "admin_list_user"; //NOI18N
 253         }
 254
 255         @Override
 256         public String changeUserData () {
 257                 // Get user instance
 258                 User user = this.adminHelper.getUser();
 259
 260                 // Null password means not setting it
 261                 String encryptedPassword = null;
 262
 263                 // Check if user instance is in helper and valid
 264                 if (null == user) {
 265                         // Throw NPE
 266                         throw new NullPointerException("adminHelper.user is null"); //NOI18N
 267                 } else if (user.getUserId() == null) {
 268                         // Throw NPE again
 269                         throw new NullPointerException("adminHelper.user.userId is null"); //NOI18N //NOI18N
 270                 } else if (user.getUserId() < 1) {
 271                         // Invalid id
 272                         throw new IllegalStateException(MessageFormat.format("adminHelper.user.userId={0} is invalid", user.getUserId())); //NOI18N //NOI18N
 273                 } else if (this.getUserName() == null) {
 274                         // Not all required fields are set
 275                         throw new NullPointerException("this.userName is null"); //NOI18N
 276                 } else if (this.getUserName().isEmpty()) {
 277                         // Not all required fields are set
 278                         throw new IllegalArgumentException("this.userName is empty"); //NOI18N
 279                 } else if (((!this.getUserPassword().isEmpty()) || (!this.getUserPasswordRepeat().isEmpty())) && (!this.isSamePasswordEntered())) {
 280                         // Not same password entered
 281                         this.setUserPassword(null);
 282                         this.setUserPasswordRepeat(null);
 283
 284                         // Throw exception
 285                         throw new FaceletException("Not same password entered"); //NOI18N
 286                 } else if (this.userBean.ifUserNameExists(this.getUserName())) {
 287                         // User name already exists
 288                         throw new FaceletException(new UserNameAlreadyRegisteredException(this.getUserName()));
 289                 } else if (this.isSamePasswordEntered()) {
 290                         // Same password entered, create container
 291                         if (UserUtils.ifPasswordMatches(new UserLoginContainer(user, this.getUserPassword()))) {
 292                                 // Same password entered
 293                                 throw new FaceletException("Same password as stored entered."); //NOI18N
 294                         }
 295
 296                         // Encrypt password
 297                         encryptedPassword = UserUtils.encryptPassword(this.getUserPassword());
 298                 }
 299
 300                 // Set user name
 301                 user.setUserName(this.getUserName());
 302
 303                 // Is a password set?
 304                 if (encryptedPassword != null) {
 305                         // Set it as well
 306                         user.setUserEncryptedPassword(encryptedPassword);
 307                 }
 308
 309                 // Call EJB for updating user data
 310                 User updatedUser = this.userBean.updateUserData(user);
 311
 312                 // Update list
 313                 this.userController.updateList(updatedUser);
 314
 315                 // Fire event
 316                 this.updatedUserDataEvent.fire(new AdminUserDataUpdatedEvent(updatedUser));
 317
 318                 // Return to user list (for now)
 319                 return "admin_list_user"; //NOI18N
 320         }
 321
 322         @Override
 323         public String getUserName () {
 324                 return this.userName;
 325         }
 326
 327         @Override
 328         public void setUserName (final String userName) {
 329                 this.userName = userName;
 330         }
 331
 332         @Override
 333         public String getUserPassword () {
 334                 return this.userPassword;
 335         }
 336
 337         @Override
 338         public void setUserPassword (final String userPassword) {
 339                 this.userPassword = userPassword;
 340         }
 341
 342         @Override
 343         public String getUserPasswordRepeat () {
 344                 return this.userPasswordRepeat;
 345         }
 346
 347         @Override
 348         public void setUserPasswordRepeat (final String userPasswordRepeat) {
 349                 this.userPasswordRepeat = userPasswordRepeat;
 350         }
 351
 352         /**
 353          * Post-initialization of this class
 354          */
 355         @PostConstruct
 356         public void init () {
 357         }
 358
 359         /**
 360          * Checks if same password is entered and that they are not empty.
 361          * <p>
 362          * @return Whether the same password was entered
 363          */
 364         private boolean isSamePasswordEntered () {
 365                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
 366         }
 367
 368 }