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  * A 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 localUser = new LoginUser();
 147
 148                 // Set user name, CONFIRMED and INVISIBLE
 149                 localUser.setUserName(this.getUserName());
 150                 localUser.setUserAccountStatus(UserAccountStatus.CONFIRMED);
 151                 localUser.setUserProfileMode(ProfileMode.INVISIBLE);
 152
 153                 // Create contact instance
 154                 Contact contact = this.contactController.createContactInstance();
 155
 156                 // Set contact in user
 157                 localUser.setUserContact(contact);
 158
 159                 // Init variable for password
 160                 String password = null;
 161
 162                 // Is the user name or email address used already?
 163                 // @TODO Add password length check
 164                 if (this.userController.isUserNameRegistered(localUser)) {
 165                         // User name is already used
 166                         throw new FaceletException(new UserNameAlreadyRegisteredException(localUser));
 167                 } else if (this.contactController.isEmailAddressRegistered(localUser.getUserContact())) {
 168                         // Email address is already used
 169                         throw new FaceletException(new EmailAddressAlreadyRegisteredException(localUser));
 170                 } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
 171                         // Empty password entered, then generate one
 172                         password = UserUtils.createRandomPassword(PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
 173                 } else if (!this.isSamePasswordEntered()) {
 174                         // Both passwords don't match
 175                         throw new FaceletException(new UserPasswordRepeatMismatchException(localUser));
 176                 } else {
 177                         // Both match, so get it from this bean
 178                         password = this.getUserPassword();
 179                 }
 180
 181                 // The password should not be null and at least 5 characters long
 182                 assert (password != null) : "password is null"; //NOI18N
 183                 assert (password.length() >= PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N
 184
 185                 // Encrypt password and set it
 186                 localUser.setUserEncryptedPassword(UserUtils.encryptPassword(password));
 187
 188                 // Init updated user instance
 189                 User updatedUser = null;
 190
 191                 try {
 192                         // Now, that all is set, call EJB
 193                         updatedUser = this.userBean.addUser(localUser);
 194                 } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
 195                         // Throw again
 196                         throw new FaceletException(ex);
 197                 }
 198
 199                 // Fire event
 200                 this.addedUserEvent.fire(new AdminUserAddedEvent(updatedUser));
 201
 202                 // Add user to local list
 203                 this.userList.add(updatedUser);
 204
 205                 // Clear contact instance
 206                 this.contactController.clear();
 207
 208                 // Return to user list (for now)
 209                 return "admin_list_user"; //NOI18N
 210         }
 211
 212         @Override
 213         public void afterUserUpdatedPersonalData (@Observes final UpdatedUserPersonalDataEvent event) {
 214                 // Check parameter
 215                 if (null == event) {
 216                         // Throw NPE
 217                         throw new NullPointerException("event is null"); //NOI18N
 218                 } else if (event.getUpdatedUser() == null) {
 219                         // Throw NPE again
 220                         throw new NullPointerException("event.updatedUser is null"); //NOI18N
 221                 } else if (event.getUpdatedUser().getUserId() == null) {
 222                         // ... and again
 223                         throw new NullPointerException("event.updatedUser.userId is null"); //NOI18N
 224                 } else if (event.getUpdatedUser().getUserId() < 1) {
 225                         // Invalid value
 226                         throw new IllegalArgumentException(MessageFormat.format("event.updatedUser.userId={0} is in valid", event.getUpdatedUser().getUserId())); //NOI18N
 227                 }
 228
 229                 // All fine, so update list
 230                 this.updateList(event.getUpdatedUser());
 231         }
 232
 233         @Override
 234         public List<User> allUsers () {
 235                 // Return it
 236                 return Collections.unmodifiableList(this.userList);
 237         }
 238
 239         @Override
 240         public String editUserData () {
 241                 // Get user instance
 242                 User user = this.adminHelper.getUser();
 243
 244                 // Null password means not setting it
 245                 String encryptedPassword = null;
 246
 247                 // Check if user instance is in helper and valid
 248                 if (null == user) {
 249                         // Throw NPE
 250                         throw new NullPointerException("adminHelper.user is null"); //NOI18N
 251                 } else if (user.getUserId() == null) {
 252                         // Throw NPE again
 253                         throw new NullPointerException("adminHelper.user.userId is null"); //NOI18N //NOI18N
 254                 } else if (user.getUserId() < 1) {
 255                         // Invalid id
 256                         throw new IllegalStateException(MessageFormat.format("adminHelper.user.userId={0} is invalid", user.getUserId()));
 257                 } else if (this.getUserName() == null) {
 258                         // Not all required fields are set
 259                         throw new NullPointerException("this.userName is null"); //NOI18N
 260                 } else if (this.getUserName().isEmpty()) {
 261                         // Not all required fields are set
 262                         throw new IllegalArgumentException("this.userName is empty"); //NOI18N
 263                 } else if (((!this.getUserPassword().isEmpty()) || (!this.getUserPasswordRepeat().isEmpty())) && (!this.isSamePasswordEntered())) {
 264                         // Not same password entered
 265                         this.setUserPassword(null);
 266                         this.setUserPasswordRepeat(null);
 267
 268                         // Throw exception
 269                         throw new FaceletException("Not same password entered"); //NOI18N
 270                 } else if (this.isSamePasswordEntered()) {
 271                         // Same password entered, create container
 272                         if (UserUtils.ifPasswordMatches(new UserLoginContainer(user, this.getUserPassword()))) {
 273                                 // Same password entered
 274                                 throw new FaceletException("Same password as stored entered."); //NOI18N
 275                         }
 276
 277                         // Encrypt password
 278                         encryptedPassword = UserUtils.encryptPassword(this.getUserPassword());
 279                 }
 280
 281                 // Set user name
 282                 user.setUserName(this.getUserName());
 283
 284                 // Is a password set?
 285                 if (encryptedPassword != null) {
 286                         // Set it as well
 287                         user.setUserEncryptedPassword(encryptedPassword);
 288                 }
 289
 290                 // Call EJB for updating user data
 291                 User updatedUser = this.userBean.updateUserData(user);
 292
 293                 // Update list
 294                 this.updateList(updatedUser);
 295
 296                 // Fire event
 297                 this.updatedUserDataEvent.fire(new AdminUserDataUpdatedEvent(updatedUser));
 298
 299                 // Return to user list (for now)
 300                 return "admin_list_user"; //NOI18N
 301         }
 302
 303         @Override
 304         public String getUserName () {
 305                 return this.userName;
 306         }
 307
 308         @Override
 309         public void setUserName (final String userName) {
 310                 this.userName = userName;
 311         }
 312
 313         @Override
 314         public String getUserPassword () {
 315                 return this.userPassword;
 316         }
 317
 318         @Override
 319         public void setUserPassword (final String userPassword) {
 320                 this.userPassword = userPassword;
 321         }
 322
 323         @Override
 324         public String getUserPasswordRepeat () {
 325                 return this.userPasswordRepeat;
 326         }
 327
 328         @Override
 329         public void setUserPasswordRepeat (final String userPasswordRepeat) {
 330                 this.userPasswordRepeat = userPasswordRepeat;
 331         }
 332
 333         @Override
 334         public boolean hasUsers () {
 335                 return (!this.allUsers().isEmpty());
 336         }
 337
 338         /**
 339          * Post-initialization of this class
 340          */
 341         @PostConstruct
 342         public void init () {
 343                 // Initialize user list
 344                 this.userList = this.userBean.allUsers();
 345         }
 346
 347         @Override
 348         public User lookupUserById (final Long userId) throws UserNotFoundException {
 349                 // Parameter must be valid
 350                 if (null == userId) {
 351                         // Throw NPE
 352                         throw new NullPointerException("userId is null"); //NOI18N
 353                 } else if (userId < 1) {
 354                         // Not valid
 355                         throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
 356                 }
 357
 358                 // Init variable
 359                 User user = null;
 360
 361                 // Try to lookup it in visible user list
 362                 for (final Iterator<User> iterator = this.userList.iterator(); iterator.hasNext();) {
 363                         // Get next user
 364                         User next = iterator.next();
 365
 366                         // Is the user id found?
 367                         if (Objects.equals(next.getUserId(), userId)) {
 368                                 // Copy to other variable
 369                                 user = next;
 370                                 break;
 371                         }
 372                 }
 373
 374                 // Is it still null?
 375                 if (null == user) {
 376                         // Not visible for the current user
 377                         throw new UserNotFoundException(userId);
 378                 }
 379
 380                 // Return it
 381                 return user;
 382         }
 383
 384         /**
 385          * Checks if same password is entered and that they are not empty.
 386          * <p>
 387          * @return Whether the same password was entered
 388          */
 389         private boolean isSamePasswordEntered () {
 390                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
 391         }
 392
 393         /**
 394          * Updates list with given user instance
 395          * <p>
 396          * @param user User instance
 397          */
 398         private void updateList (final User user) {
 399                 // The user should be valid
 400                 if (null == user) {
 401                         // Throw NPE
 402                         throw new NullPointerException("user is null"); //NOI18N
 403                 } else if (user.getUserId() == null) {
 404                         // ... again NPE
 405                         throw new NullPointerException("user.userId is null"); //NOI18N
 406                 } else if (user.getUserId() < 1) {
 407                         // Invalid id
 408                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is invalid", user.getUserId())); //NOI18N
 409                 }
 410
 411                 // Get iterator
 412                 Iterator<User> iterator = this.userList.iterator();
 413
 414                 // Look whole list
 415                 while (iterator.hasNext()) {
 416                         // Get next element
 417                         User next = iterator.next();
 418
 419                         // Is the same user id?
 420                         if (Objects.equals(user.getUserId(), next.getUserId())) {
 421                                 // Found it, so remove it
 422                                 this.userList.remove(next);
 423                                 break;
 424                         }
 425                 }
 426
 427                 // Re-add item
 428                 this.userList.add(user);
 429         }
 430
 431 }