src/java/org/mxchange/addressbook/beans/profile/AddressbookUserProfileWebRequestBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Häder
   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.addressbook.beans.profile;
  18
  19 import java.text.MessageFormat;
  20 import javax.annotation.PostConstruct;
  21 import javax.enterprise.context.RequestScoped;
  22 import javax.faces.view.facelets.FaceletException;
  23 import javax.inject.Inject;
  24 import javax.inject.Named;
  25 import org.mxchange.addressbook.beans.BaseAddressbookController;
  26 import org.mxchange.addressbook.beans.login.user.AddressbookUserLoginWebSessionController;
  27 import org.mxchange.addressbook.beans.user.AddressbookUserWebSessionController;
  28 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  29 import org.mxchange.jusercore.model.user.User;
  30 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
  31
  32 /**
  33  * A web request bean for user profiles
  34  * <p>
  35  * @author Roland Häder<roland@mxchange.org>
  36  */
  37 @Named (value = "profileController")
  38 @RequestScoped
  39 public class AddressbookUserProfileWebRequestBean extends BaseAddressbookController implements AddressbookUserProfileWebRequestController {
  40
  41         /**
  42          * Serial number
  43          */
  44         private static final long serialVersionUID = 187_687_145_286_710L;
  45
  46         /**
  47          * User controller
  48          */
  49         @Inject
  50         private AddressbookUserWebSessionController userController;
  51
  52         /**
  53          * Login controller
  54          */
  55         @Inject
  56         private AddressbookUserLoginWebSessionController userLoginController;
  57
  58         /**
  59          * Default constructor
  60          */
  61         public AddressbookUserProfileWebRequestBean () {
  62                 // Call super constructor
  63                 super();
  64         }
  65
  66         /**
  67          * Post-construction method
  68          */
  69         @PostConstruct
  70         public void init () {
  71         }
  72
  73         @Override
  74         public boolean isProfileLinkVisibleById (final Long userId) {
  75                 // Init user instance
  76                 User user = null;
  77
  78                 try {
  79                         // Try to get it
  80                         user = this.userController.lookupUserById(userId);
  81                 } catch (final UserNotFoundException ex) {
  82                         // Throw again
  83                         throw new FaceletException(ex);
  84                 }
  85
  86                 // Is it null?
  87                 if (null == user) {
  88                         // Not found, not visible.
  89                         return false;
  90                 }
  91
  92                 // Ask other method
  93                 return this.isProfileLinkVisibleByUser(user);
  94         }
  95
  96         @Override
  97         public boolean isProfileLinkVisibleByUser (final User user) {
  98                 // Check on user
  99                 if (null == user) {
 100                         /*
 101                          * Not set, means wrong invocation of this method as the user
 102                          * instance needs to be set first.
 103                          */
 104                         throw new NullPointerException("user is null"); //NOI18N
 105                 } else if (user.getUserId() == null) {
 106                         /*
 107                          * If the id number is not set it means that the user instance has
 108                          * not been persisted and the JPA has not been flushed. Or a
 109                          * "virgin" instance (e.g. from registration) has been used.
 110                          */
 111                         throw new NullPointerException("user.userId is null"); //NOI18N
 112                 } else if (user.getUserId() < 1) {
 113                         /*
 114                          * The id number is set invalid for an unknown reason.
 115                          */
 116                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is invalid", user.getUserId())); //NOI18N
 117                 } else if (user.getUserProfileMode() == null) {
 118                         /*
 119                          * Possibly an out-dated user profile is being used. This should not
 120                          * happen.
 121                          */
 122                         throw new NullPointerException("user.userProfileMode is null"); //NOI18N
 123                 }
 124
 125                 // Get profile mode from user instance (safe now)
 126                 ProfileMode profileMode = user.getUserProfileMode();
 127
 128                 // Check all conditions (except for admin)
 129                 return ((profileMode.equals(ProfileMode.PUBLIC)) ||
 130                                 (this.userLoginController.isUserLoggedIn()) && (profileMode.equals(ProfileMode.MEMBERS)));
 131         }
 132
 133 }