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