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.inject.Any;
  28 import javax.faces.view.facelets.FaceletException;
  29 import javax.inject.Inject;
  30 import javax.inject.Named;
  31 import javax.naming.Context;
  32 import javax.naming.InitialContext;
  33 import javax.naming.NamingException;
  34 import org.mxchange.jcontacts.contact.Contact;
  35 import org.mxchange.jjobs.beans.contact.JobsContactWebSessionController;
  36 import org.mxchange.jusercore.events.user.AdminAddedUserEvent;
  37 import org.mxchange.jusercore.events.user.AdminUserAddedEvent;
  38 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
  39 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
  40 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  41 import org.mxchange.jusercore.exceptions.UserPasswordRepeatMismatchException;
  42 import org.mxchange.jusercore.model.user.LoginUser;
  43 import org.mxchange.jusercore.model.user.User;
  44 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  45 import org.mxchange.jusercore.model.user.UserUtils;
  46 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
  47 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  48
  49 /**
  50  * A user bean (controller)
  51  * <p>
  52  * @author Roland Haeder<roland@mxchange.org>
  53  */
  54 @Named ("adminUserController")
  55 @RequestScoped
  56 public class JobsAdminUserWebRequestBean implements JobsAdminUserWebRequestController {
  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          * Regular contact controller
  72          */
  73         @Inject
  74         private JobsContactWebSessionController contactController;
  75
  76         /**
  77          * Remote user bean
  78          */
  79         private final UserSessionBeanRemote userBean;
  80
  81         /**
  82          * Regular user controller
  83          */
  84         @Inject
  85         private JobsUserWebSessionController userController;
  86
  87         /**
  88          * A list of all user profiles
  89          */
  90         private List<User> userList;
  91
  92         /**
  93          * User name
  94          */
  95         private String userName;
  96
  97         /**
  98          * User password (unencrypted from web form)
  99          */
 100         private String userPassword;
 101
 102         /**
 103          * User password repeated (unencrypted from web form)
 104          */
 105         private String userPasswordRepeat;
 106
 107         /**
 108          * Default constructor
 109          */
 110         public JobsAdminUserWebRequestBean () {
 111                 // Try it
 112                 try {
 113                         // Get initial context
 114                         Context context = new InitialContext();
 115
 116                         // Try to lookup
 117                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/jjobs-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
 118                 } catch (final NamingException e) {
 119                         // Throw again
 120                         throw new FaceletException(e);
 121                 }
 122         }
 123
 124         @Override
 125         public void addUser () {
 126                 // Create new user instance
 127                 User localUser = new LoginUser();
 128
 129                 // Set user name, CONFIRMED and INVISIBLE
 130                 localUser.setUserName(this.getUserName());
 131                 localUser.setUserAccountStatus(UserAccountStatus.CONFIRMED);
 132                 localUser.setUserProfileMode(ProfileMode.INVISIBLE);
 133
 134                 // Create contact instance
 135                 Contact contact = this.contactController.createContactInstance();
 136
 137                 // Set contact in user
 138                 localUser.setUserContact(contact);
 139
 140                 // Init variable for password
 141                 String password = null;
 142
 143                 // Is the user name or email address used already?
 144                 // @TODO Add password length check
 145                 if (this.userController.isUserNameRegistered(localUser)) {
 146                         // User name is already used
 147                         throw new FaceletException(new UserNameAlreadyRegisteredException(localUser));
 148                 } else if (this.contactController.isEmailAddressRegistered(localUser.getUserContact())) {
 149                         // Email address is already used
 150                         throw new FaceletException(new EmailAddressAlreadyRegisteredException(localUser));
 151                 } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
 152                         // Empty password entered, then generate one
 153                         password = UserUtils.createRandomPassword(JobsUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
 154                 } else if (!this.isSamePasswordEntered()) {
 155                         // Both passwords don't match
 156                         throw new FaceletException(new UserPasswordRepeatMismatchException(localUser));
 157                 } else {
 158                         // Both match, so get it from this bean
 159                         password = this.getUserPassword();
 160                 }
 161
 162                 // The password should not be null and at least 5 characters long
 163                 assert (password != null) : "password is null"; //NOI18N
 164                 assert (password.length() >= JobsUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N
 165
 166                 // Encrypt password and set it
 167                 localUser.setUserEncryptedPassword(UserUtils.encryptPassword(password));
 168
 169                 // Init updated user instance
 170                 User updatedUser = null;
 171
 172                 try {
 173                         // Now, that all is set, call EJB
 174                         updatedUser = this.userBean.addUser(localUser);
 175                 } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
 176                         // Throw again
 177                         throw new FaceletException(ex);
 178                 }
 179
 180                 // Fire event
 181                 this.addedUserEvent.fire(new AdminUserAddedEvent(updatedUser));
 182
 183                 // Add user to local list
 184                 this.userList.add(updatedUser);
 185
 186                 // Clear contact instance
 187                 this.contactController.clear();
 188         }
 189
 190         @Override
 191         public List<User> allUsers () {
 192                 // Return it
 193                 return Collections.unmodifiableList(this.userList);
 194         }
 195
 196         @Override
 197         public void editUserData () {
 198                 throw new UnsupportedOperationException("Not supported yet."); //NOI18N
 199         }
 200
 201         @Override
 202         public String getUserName () {
 203                 return this.userName;
 204         }
 205
 206         @Override
 207         public void setUserName (final String userName) {
 208                 this.userName = userName;
 209         }
 210
 211         @Override
 212         public String getUserPassword () {
 213                 return this.userPassword;
 214         }
 215
 216         @Override
 217         public void setUserPassword (final String userPassword) {
 218                 this.userPassword = userPassword;
 219         }
 220
 221         @Override
 222         public String getUserPasswordRepeat () {
 223                 return this.userPasswordRepeat;
 224         }
 225
 226         @Override
 227         public void setUserPasswordRepeat (final String userPasswordRepeat) {
 228                 this.userPasswordRepeat = userPasswordRepeat;
 229         }
 230
 231         @Override
 232         public boolean hasUsers () {
 233                 return (!this.allUsers().isEmpty());
 234         }
 235
 236         /**
 237          * Post-initialization of this class
 238          */
 239         @PostConstruct
 240         public void init () {
 241                 // Initialize user list
 242                 this.userList = this.userBean.allUsers();
 243         }
 244
 245         @Override
 246         public User lookupUserById (final Long userId) throws UserNotFoundException {
 247                 // Parameter must be valid
 248                 if (null == userId) {
 249                         // Throw NPE
 250                         throw new NullPointerException("userId is null"); //NOI18N
 251                 } else if (userId < 1) {
 252                         // Not valid
 253                         throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
 254                 }
 255
 256                 // Init variable
 257                 User user = null;
 258
 259                 // Try to lookup it in visible user list
 260                 for (final Iterator<User> iterator = this.userList.iterator(); iterator.hasNext();) {
 261                         // Get next user
 262                         User next = iterator.next();
 263
 264                         // Is the user id found?
 265                         if (Objects.equals(next.getUserId(), userId)) {
 266                                 // Copy to other variable
 267                                 user = next;
 268                                 break;
 269                         }
 270                 }
 271
 272                 // Is it still null?
 273                 if (null == user) {
 274                         // Not visible for the current user
 275                         throw new UserNotFoundException(userId);
 276                 }
 277
 278                 // Return it
 279                 return user;
 280         }
 281
 282         /**
 283          * Checks if same password is entered and that they are not empty.
 284          * <p>
 285          * @return Whether the same password was entered
 286          */
 287         private boolean isSamePasswordEntered () {
 288                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
 289         }
 290
 291 }