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.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.pizzaapplication.beans.contact.PizzaContactWebSessionController;
  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 PizzaAdminUserWebRequestBean implements PizzaAdminUserWebRequestController {
  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 PizzaContactWebSessionController contactController;
  75
  76         /**
  77          * Remote user bean
  78          */
  79         private final UserSessionBeanRemote userBean;
  80
  81         /**
  82          * Regular user controller
  83          */
  84         @Inject
  85         private PizzaUserWebSessionController 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 PizzaAdminUserWebRequestBean () {
 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/PizzaService-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(PizzaUserWebSessionController.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() >= PizzaUserWebSessionController.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 all
 187                 this.clear();
 188
 189                 // Clear contact instance
 190                 this.contactController.clear();
 191         }
 192
 193         @Override
 194         public List<User> allUsers () {
 195                 // Return it
 196                 return Collections.unmodifiableList(this.userList);
 197         }
 198
 199         @Override
 200         public void editUserData () {
 201                 throw new UnsupportedOperationException("Not supported yet."); //NOI18N
 202         }
 203
 204         @Override
 205         public String getUserName () {
 206                 return this.userName;
 207         }
 208
 209         @Override
 210         public void setUserName (final String userName) {
 211                 this.userName = userName;
 212         }
 213
 214         @Override
 215         public String getUserPassword () {
 216                 return this.userPassword;
 217         }
 218
 219         @Override
 220         public void setUserPassword (final String userPassword) {
 221                 this.userPassword = userPassword;
 222         }
 223
 224         @Override
 225         public String getUserPasswordRepeat () {
 226                 return this.userPasswordRepeat;
 227         }
 228
 229         @Override
 230         public void setUserPasswordRepeat (final String userPasswordRepeat) {
 231                 this.userPasswordRepeat = userPasswordRepeat;
 232         }
 233
 234         @Override
 235         public boolean hasUsers () {
 236                 return (!this.allUsers().isEmpty());
 237         }
 238
 239         /**
 240          * Post-initialization of this class
 241          */
 242         @PostConstruct
 243         public void init () {
 244                 // Initialize user list
 245                 this.userList = this.userBean.allUsers();
 246         }
 247
 248         @Override
 249         public User lookupUserById (final Long userId) throws UserNotFoundException {
 250                 // Parameter must be valid
 251                 if (null == userId) {
 252                         // Throw NPE
 253                         throw new NullPointerException("userId is null"); //NOI18N
 254                 } else if (userId < 1) {
 255                         // Not valid
 256                         throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
 257                 }
 258
 259                 // Init variable
 260                 User user = null;
 261
 262                 // Try to lookup it in visible user list
 263                 for (final Iterator<User> iterator = this.userList.iterator(); iterator.hasNext();) {
 264                         // Get next user
 265                         User next = iterator.next();
 266
 267                         // Is the user id found?
 268                         if (Objects.equals(next.getUserId(), userId)) {
 269                                 // Copy to other variable
 270                                 user = next;
 271                                 break;
 272                         }
 273                 }
 274
 275                 // Is it still null?
 276                 if (null == user) {
 277                         // Not visible for the current user
 278                         throw new UserNotFoundException(userId);
 279                 }
 280
 281                 // Return it
 282                 return user;
 283         }
 284
 285         /**
 286          * Clears this bean
 287          */
 288         private void clear () {
 289                 // Clear all
 290                 this.setUserName(null);
 291                 this.setUserPassword(null);
 292                 this.setUserPasswordRepeat(null);
 293         }
 294
 295         /**
 296          * Checks if same password is entered and that they are not empty.
 297          * <p>
 298          * @return Whether the same password was entered
 299          */
 300         private boolean isSamePasswordEntered () {
 301                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
 302         }
 303
 304 }