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.Collections;
  21 import java.util.Iterator;
  22 import java.util.List;
  23 import java.util.Objects;
  24 import javax.annotation.PostConstruct;
  25 import javax.enterprise.context.RequestScoped;
  26 import javax.enterprise.event.Event;
  27 import javax.enterprise.event.Observes;
  28 import javax.enterprise.inject.Any;
  29 import javax.faces.view.facelets.FaceletException;
  30 import javax.inject.Inject;
  31 import javax.inject.Named;
  32 import javax.naming.Context;
  33 import javax.naming.InitialContext;
  34 import javax.naming.NamingException;
  35 import org.mxchange.jcontacts.contact.Contact;
  36 import org.mxchange.jusercore.container.login.UserLoginContainer;
  37 import org.mxchange.jusercore.events.user.AdminAddedUserEvent;
  38 import org.mxchange.jusercore.events.user.AdminUserAddedEvent;
  39 import org.mxchange.jusercore.events.user.update.AdminUpdatedUserDataEvent;
  40 import org.mxchange.jusercore.events.user.update.AdminUserDataUpdatedEvent;
  41 import org.mxchange.jusercore.events.user.update.UpdatedUserPersonalDataEvent;
  42 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
  43 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
  44 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  45 import org.mxchange.jusercore.exceptions.UserPasswordRepeatMismatchException;
  46 import org.mxchange.jusercore.model.user.LoginUser;
  47 import org.mxchange.jusercore.model.user.User;
  48 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  49 import org.mxchange.jusercore.model.user.UserUtils;
  50 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
  51 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  52 import org.mxchange.pizzaapplication.beans.contact.PizzaContactWebSessionController;
  53 import org.mxchange.pizzaapplication.beans.helper.PizzaAdminWebRequestController;
  54
  55 /**
  56  * Administrative user bean (controller)
  57  * <p>
  58  * @author Roland Haeder<roland@mxchange.org>
  59  */
  60 @Named ("adminUserController")
  61 @RequestScoped
  62 public class PizzaAdminUserWebRequestBean implements PizzaAdminUserWebRequestController {
  63
  64         /**
  65          * Serial number
  66          */
  67         private static final long serialVersionUID = 542_145_347_916L;
  68
  69         /**
  70          * An event fired when the administrator has added a new user
  71          */
  72         @Inject
  73         @Any
  74         private Event<AdminAddedUserEvent> addedUserEvent;
  75
  76         /**
  77          * Admin helper instance
  78          */
  79         @Inject
  80         private PizzaAdminWebRequestController adminHelper;
  81
  82         /**
  83          * Regular contact controller
  84          */
  85         @Inject
  86         private PizzaContactWebSessionController contactController;
  87
  88         /**
  89          * An event fired when the administrator has updated a new user
  90          */
  91         @Inject
  92         @Any
  93         private Event<AdminUpdatedUserDataEvent> updatedUserDataEvent;
  94
  95         /**
  96          * Remote user bean
  97          */
  98         private final UserSessionBeanRemote userBean;
  99
 100         /**
 101          * Regular user controller
 102          */
 103         @Inject
 104         private PizzaUserWebSessionController userController;
 105
 106         /**
 107          * A list of all user profiles
 108          */
 109         private List<User> userList;
 110
 111         /**
 112          * User name
 113          */
 114         private String userName;
 115
 116         /**
 117          * User password (unencrypted from web form)
 118          */
 119         private String userPassword;
 120
 121         /**
 122          * User password repeated (unencrypted from web form)
 123          */
 124         private String userPasswordRepeat;
 125
 126         /**
 127          * Default constructor
 128          */
 129         public PizzaAdminUserWebRequestBean () {
 130                 // Try it
 131                 try {
 132                         // Get initial context
 133                         Context context = new InitialContext();
 134
 135                         // Try to lookup
 136                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/PizzaService-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
 137                 } catch (final NamingException e) {
 138                         // Throw again
 139                         throw new FaceletException(e);
 140                 }
 141         }
 142
 143         @Override
 144         public String addUser () {
 145                 // Create new user instance
 146                 User user = new LoginUser();
 147
 148                 // As the form cannot validate the data (required="true"), check it here
 149                 if (this.getUserName() == null) {
 150                         // Throw NPE
 151                         throw new NullPointerException("userName is null"); //NOI18N
 152                 } else if (this.getUserName().isEmpty()) {
 153                         // Is empty
 154                         throw new IllegalArgumentException("userName is null"); //NOI18N
 155                 } else if (this.adminHelper.getContact() == null) {
 156                         // No contact instance set, so test required fields: gender, first name and family name
 157                         if (this.contactController.getGender() == null) {
 158                                 // Throw NPE again
 159                                 throw new NullPointerException("contactController.gender is null"); //NOI18N
 160                         } else if (this.contactController.getFirstName() == null) {
 161                                 // ... and again
 162                                 throw new NullPointerException("contactController.firstName is null"); //NOI18N //NOI18N
 163                         } else if (this.contactController.getFirstName().isEmpty()) {
 164                                 // ... and again
 165                                 throw new IllegalArgumentException("contactController.firstName is empty");
 166                         } else if (this.contactController.getFamilyName() == null) {
 167                                 // ... and again
 168                                 throw new NullPointerException("contactController.familyName is null"); //NOI18N
 169                         } else if (this.contactController.getFamilyName().isEmpty()) {
 170                                 // ... and again
 171                                 throw new IllegalArgumentException("contactController.familyName is empty"); //NOI18N //NOI18N
 172                         } else if (this.contactController.getEmailAddress()== null) {
 173                                 // ... and again
 174                                 throw new NullPointerException("contactController.emailAddress is null");
 175                         } else if (this.contactController.getEmailAddress().isEmpty()) {
 176                                 // ... and again
 177                                 throw new IllegalArgumentException("contactController.emailAddress is empty"); //NOI18N //NOI18N
 178                         } else if (this.contactController.getEmailAddressRepeat()== null) {
 179                                 // ... and again
 180                                 throw new NullPointerException("contactController.emailAddressRepeat is null");
 181                         } else if (this.contactController.getEmailAddressRepeat().isEmpty()) {
 182                                 // ... and again
 183                                 throw new IllegalArgumentException("contactController.emailAddressRepeat is empty"); //NOI18N //NOI18N
 184                         } else if (!Objects.equals(this.contactController.getEmailAddress(), this.contactController.getEmailAddressRepeat())) {
 185                                 // Is not same email address
 186                                 throw new IllegalArgumentException("Both entered email addresses don't match.");
 187                         }
 188                 }
 189
 190                 // Set user name, CONFIRMED and INVISIBLE
 191                 user.setUserName(this.getUserName());
 192                 user.setUserAccountStatus(UserAccountStatus.CONFIRMED);
 193                 user.setUserProfileMode(ProfileMode.INVISIBLE);
 194
 195                 // Init instance
 196                 Contact contact;
 197
 198                 // Is a contact instance in helper set?
 199                 if (this.adminHelper.getContact() instanceof Contact) {
 200                         // Then use it for contact linking
 201                         contact = this.adminHelper.getContact();
 202                 } else {
 203                         // Create contact instance
 204                         contact = this.contactController.createContactInstance();
 205                 }
 206
 207                 // Set contact in user
 208                 user.setUserContact(contact);
 209
 210                 // Init variable for password
 211                 String password = null;
 212
 213                 // Is the user name or email address used already?
 214                 // @TODO Add password length check
 215                 if (this.userController.isUserNameRegistered(user)) {
 216                         // User name is already used
 217                         throw new FaceletException(new UserNameAlreadyRegisteredException(user));
 218                 } else if ((this.adminHelper.getContact() == null) && (this.contactController.isEmailAddressRegistered(user.getUserContact()))) {
 219                         // Email address is already used
 220                         throw new FaceletException(new EmailAddressAlreadyRegisteredException(user));
 221                 } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
 222                         // Empty password entered, then generate one
 223                         password = UserUtils.createRandomPassword(PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
 224                 } else if (!this.isSamePasswordEntered()) {
 225                         // Both passwords don't match
 226                         throw new FaceletException(new UserPasswordRepeatMismatchException(user));
 227                 } else {
 228                         // Both match, so get it from this bean
 229                         password = this.getUserPassword();
 230                 }
 231
 232                 // The password should not be null and at least 5 characters long
 233                 assert (password != null) : "password is null"; //NOI18N
 234                 assert (password.length() >= PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N
 235
 236                 // Encrypt password and set it
 237                 user.setUserEncryptedPassword(UserUtils.encryptPassword(password));
 238
 239                 // Init updated user instance
 240                 User updatedUser = null;
 241
 242                 try {
 243                         // Now, that all is set, call EJB
 244                         if (this.adminHelper.getContact() instanceof Contact) {
 245                                 // Link contact with this user
 246                                 updatedUser = this.userBean.linkUser(user);
 247                         } else {
 248                                 // Add new contact
 249                                 updatedUser = this.userBean.addUser(user);
 250                         }
 251                         } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
 252                         // Throw again
 253                         throw new FaceletException(ex);
 254                 }
 255
 256                 // Fire event
 257                 this.addedUserEvent.fire(new AdminUserAddedEvent(updatedUser));
 258
 259                 // Add user to local list
 260                 this.userList.add(updatedUser);
 261
 262                 // Clear contact instance
 263                 this.contactController.clear();
 264
 265                 // Return to user list (for now)
 266                 return "admin_list_user"; //NOI18N
 267         }
 268
 269         @Override
 270         public void afterUserUpdatedPersonalData (@Observes final UpdatedUserPersonalDataEvent event) {
 271                 // Check parameter
 272                 if (null == event) {
 273                         // Throw NPE
 274                         throw new NullPointerException("event is null"); //NOI18N
 275                 } else if (event.getUpdatedUser() == null) {
 276                         // Throw NPE again
 277                         throw new NullPointerException("event.updatedUser is null"); //NOI18N
 278                 } else if (event.getUpdatedUser().getUserId() == null) {
 279                         // ... and again
 280                         throw new NullPointerException("event.updatedUser.userId is null"); //NOI18N
 281                 } else if (event.getUpdatedUser().getUserId() < 1) {
 282                         // Invalid value
 283                         throw new IllegalArgumentException(MessageFormat.format("event.updatedUser.userId={0} is in valid", event.getUpdatedUser().getUserId())); //NOI18N
 284                 }
 285
 286                 // All fine, so update list
 287                 this.updateList(event.getUpdatedUser());
 288         }
 289
 290         @Override
 291         public List<User> allUsers () {
 292                 // Return it
 293                 return Collections.unmodifiableList(this.userList);
 294         }
 295
 296         @Override
 297         public String changeUserData () {
 298                 // Get user instance
 299                 User user = this.adminHelper.getUser();
 300
 301                 // Null password means not setting it
 302                 String encryptedPassword = null;
 303
 304                 // Check if user instance is in helper and valid
 305                 if (null == user) {
 306                         // Throw NPE
 307                         throw new NullPointerException("adminHelper.user is null"); //NOI18N
 308                 } else if (user.getUserId() == null) {
 309                         // Throw NPE again
 310                         throw new NullPointerException("adminHelper.user.userId is null"); //NOI18N //NOI18N
 311                 } else if (user.getUserId() < 1) {
 312                         // Invalid id
 313                         throw new IllegalStateException(MessageFormat.format("adminHelper.user.userId={0} is invalid", user.getUserId())); //NOI18N //NOI18N
 314                 } else if (this.getUserName() == null) {
 315                         // Not all required fields are set
 316                         throw new NullPointerException("this.userName is null"); //NOI18N
 317                 } else if (this.getUserName().isEmpty()) {
 318                         // Not all required fields are set
 319                         throw new IllegalArgumentException("this.userName is empty"); //NOI18N
 320                 } else if (((!this.getUserPassword().isEmpty()) || (!this.getUserPasswordRepeat().isEmpty())) && (!this.isSamePasswordEntered())) {
 321                         // Not same password entered
 322                         this.setUserPassword(null);
 323                         this.setUserPasswordRepeat(null);
 324
 325                         // Throw exception
 326                         throw new FaceletException("Not same password entered"); //NOI18N
 327                 } else if (this.userBean.ifUserNameExists(this.getUserName())) {
 328                         // User name already exists
 329                         throw new FaceletException(new UserNameAlreadyRegisteredException(this.getUserName()));
 330                 } else if (this.isSamePasswordEntered()) {
 331                         // Same password entered, create container
 332                         if (UserUtils.ifPasswordMatches(new UserLoginContainer(user, this.getUserPassword()))) {
 333                                 // Same password entered
 334                                 throw new FaceletException("Same password as stored entered."); //NOI18N
 335                         }
 336
 337                         // Encrypt password
 338                         encryptedPassword = UserUtils.encryptPassword(this.getUserPassword());
 339                 }
 340
 341                 // Set user name
 342                 user.setUserName(this.getUserName());
 343
 344                 // Is a password set?
 345                 if (encryptedPassword != null) {
 346                         // Set it as well
 347                         user.setUserEncryptedPassword(encryptedPassword);
 348                 }
 349
 350                 // Call EJB for updating user data
 351                 User updatedUser = this.userBean.updateUserData(user);
 352
 353                 // Update list
 354                 this.updateList(updatedUser);
 355
 356                 // Fire event
 357                 this.updatedUserDataEvent.fire(new AdminUserDataUpdatedEvent(updatedUser));
 358
 359                 // Return to user list (for now)
 360                 return "admin_list_user"; //NOI18N
 361         }
 362
 363         @Override
 364         public String getUserName () {
 365                 return this.userName;
 366         }
 367
 368         @Override
 369         public void setUserName (final String userName) {
 370                 this.userName = userName;
 371         }
 372
 373         @Override
 374         public String getUserPassword () {
 375                 return this.userPassword;
 376         }
 377
 378         @Override
 379         public void setUserPassword (final String userPassword) {
 380                 this.userPassword = userPassword;
 381         }
 382
 383         @Override
 384         public String getUserPasswordRepeat () {
 385                 return this.userPasswordRepeat;
 386         }
 387
 388         @Override
 389         public void setUserPasswordRepeat (final String userPasswordRepeat) {
 390                 this.userPasswordRepeat = userPasswordRepeat;
 391         }
 392
 393         @Override
 394         public boolean hasUsers () {
 395                 return (!this.allUsers().isEmpty());
 396         }
 397
 398         /**
 399          * Post-initialization of this class
 400          */
 401         @PostConstruct
 402         public void init () {
 403                 // Initialize user list
 404                 this.userList = this.userBean.allUsers();
 405         }
 406
 407         @Override
 408         public User lookupUserById (final Long userId) throws UserNotFoundException {
 409                 // Parameter must be valid
 410                 if (null == userId) {
 411                         // Throw NPE
 412                         throw new NullPointerException("userId is null"); //NOI18N
 413                 } else if (userId < 1) {
 414                         // Not valid
 415                         throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
 416                 }
 417
 418                 // Init variable
 419                 User user = null;
 420
 421                 // Try to lookup it in visible user list
 422                 for (final Iterator<User> iterator = this.userList.iterator(); iterator.hasNext();) {
 423                         // Get next user
 424                         User next = iterator.next();
 425
 426                         // Is the user id found?
 427                         if (Objects.equals(next.getUserId(), userId)) {
 428                                 // Copy to other variable
 429                                 user = next;
 430                                 break;
 431                         }
 432                 }
 433
 434                 // Is it still null?
 435                 if (null == user) {
 436                         // Not visible for the current user
 437                         throw new UserNotFoundException(userId);
 438                 }
 439
 440                 // Return it
 441                 return user;
 442         }
 443
 444         /**
 445          * Checks if same password is entered and that they are not empty.
 446          * <p>
 447          * @return Whether the same password was entered
 448          */
 449         private boolean isSamePasswordEntered () {
 450                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
 451         }
 452
 453         /**
 454          * Updates list with given user instance
 455          * <p>
 456          * @param user User instance
 457          */
 458         private void updateList (final User user) {
 459                 // The user should be valid
 460                 if (null == user) {
 461                         // Throw NPE
 462                         throw new NullPointerException("user is null"); //NOI18N
 463                 } else if (user.getUserId() == null) {
 464                         // ... again NPE
 465                         throw new NullPointerException("user.userId is null"); //NOI18N
 466                 } else if (user.getUserId() < 1) {
 467                         // Invalid id
 468                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is invalid", user.getUserId())); //NOI18N
 469                 }
 470
 471                 // Get iterator
 472                 Iterator<User> iterator = this.userList.iterator();
 473
 474                 // Look whole list
 475                 while (iterator.hasNext()) {
 476                         // Get next element
 477                         User next = iterator.next();
 478
 479                         // Is the same user id?
 480                         if (Objects.equals(user.getUserId(), next.getUserId())) {
 481                                 // Found it, so remove it
 482                                 this.userList.remove(next);
 483                                 break;
 484                         }
 485                 }
 486
 487                 // Re-add item
 488                 this.userList.add(user);
 489         }
 490
 491 }