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.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         }
  63
  64         /**
  65          * Post-construction method
  66          */
  67         @PostConstruct
  68         public void init () {
  69         }
  70
  71         @Override
  72         public boolean isProfileLinkVisibleById (final Long userId) {
  73                 // Init user instance
  74                 User user = null;
  75
  76                 try {
  77                         // Try to get it
  78                         user = this.userController.lookupUserById(userId);
  79                 } catch (final UserNotFoundException ex) {
  80                         // Throw again
  81                         throw new FaceletException(ex);
  82                 }
  83
  84                 // Is it null?
  85                 if (null == user) {
  86                         // Not found, not visible.
  87                         return false;
  88                 }
  89
  90                 // Ask other method
  91                 return this.isProfileLinkVisibleByUser(user);
  92         }
  93
  94         @Override
  95         public boolean isProfileLinkVisibleByUser (final User user) {
  96                 // Check on user
  97                 if (null == user) {
  98                         /*
  99                          * Not set, means wrong invocation of this method as the user
 100                          * instance needs to be set first.
 101                          */
 102                         throw new NullPointerException("user is null"); //NOI18N
 103                 } else if (user.getUserId() == null) {
 104                         /*
 105                          * If the id number is not set it means that the user instance has
 106                          * not been persisted and the JPA has not been flushed. Or a
 107                          * "virgin" instance (e.g. from registration) has been used.
 108                          */
 109                         throw new NullPointerException("user.userId is null"); //NOI18N
 110                 } else if (user.getUserId() < 1) {
 111                         /*
 112                          * The id number is set invalid for an unknown reason.
 113                          */
 114                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is invalid", user.getUserId())); //NOI18N
 115                 } else if (user.getUserProfileMode() == null) {
 116                         /*
 117                          * Possibly an out-dated user profile is being used. This should not
 118                          * happen.
 119                          */
 120                         throw new NullPointerException("user.userProfileMode is null"); //NOI18N
 121                 }
 122
 123                 // Get profile mode from user instance (safe now)
 124                 ProfileMode profileMode = user.getUserProfileMode();
 125
 126                 // Check all conditions (except for admin)
 127                 return ((profileMode.equals(ProfileMode.PUBLIC)) ||
 128                                 (this.userLoginController.isUserLoggedIn()) && (profileMode.equals(ProfileMode.MEMBERS)));
 129         }
 130
 131 }