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