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