src/java/org/mxchange/jjobs/beans/profile/UserProfileWebRequestBean.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 General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jjobs.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.jjobs.beans.login.UserLoginWebSessionController;
  25 import org.mxchange.jjobs.beans.user.UserWebSessionController;
  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
  34  */
  35 @Named (value = "profileController")
  36 @RequestScoped
  37 public class UserProfileWebRequestBean implements UserProfileWebRequestController {
  38
  39         /**
  40          * Serial number
  41          */
  42         private static final long serialVersionUID = 187_687_145_286_710L;
  43
  44         /**
  45          * Login controller
  46          */
  47         @Inject
  48         private UserLoginWebSessionController loginController;
  49
  50         /**
  51          * User instance
  52          */
  53         private User user;
  54
  55         /**
  56          * User controller
  57          */
  58         @Inject
  59         private UserWebSessionController userController;
  60
  61         @Override
  62         public User getUser () {
  63                 return this.user;
  64         }
  65
  66         @Override
  67         public void setUser (final User user) {
  68                 this.user = user;
  69         }
  70
  71         @Override
  72         public boolean isProfileLinkVisible () {
  73                 // Check on user
  74                 if (this.getUser() == null) {
  75                         /*
  76                          * Not set, means wrong invocation of this method as the user
  77                          * instance needs to be set first.
  78                          */
  79                         throw new NullPointerException("this.user is null"); //NOI18N
  80                 } else if (this.getUser().getUserId() == null) {
  81                         /*
  82                          * If the id number is not set it means that the user instance has
  83                          * not been persisted and the JPA has not been flushed. Or a
  84                          * "virgin" instance (e.g. from registration) has been used.
  85                          */
  86                         throw new NullPointerException("this.user.userId is null"); //NOI18N
  87                 } else if (this.getUser().getUserId() < 1) {
  88                         /*
  89                          * The id number is set invalid for an unknown reason.
  90                          */
  91                         throw new IllegalArgumentException(MessageFormat.format("this.user.userId={0} is invalid", this.getUser().getUserId())); //NOI18N
  92                 } else if (this.getUser().getUserProfileMode() == null) {
  93                         /*
  94                          * Possibly an out-dated user profile is being used. This should not
  95                          * happen.
  96                          */
  97                         throw new NullPointerException("this.user.userProfileMode is null"); //NOI18N
  98                 }
  99
 100                 // Get profile mode from user instance (safe now)
 101                 ProfileMode profileMode = this.getUser().getUserProfileMode();
 102
 103                 // Check all conditions (except for admin)
 104                 // TODO: Add admin role somehow?
 105                 return ((profileMode.equals(ProfileMode.PUBLIC)) ||
 106                                  (this.loginController.isUserLoggedIn()) && (profileMode.equals(ProfileMode.MEMBERS)));
 107         }
 108
 109         @Override
 110         public boolean isProfileLinkVisibleById (final Long userId) {
 111                 // Init user instance
 112                 User u = null;
 113
 114                 try {
 115                         // Try to get it
 116                         u = this.userController.lookupUserById(userId);
 117                 } catch (final UserNotFoundException ex) {
 118                         // Throw again
 119                         throw new FaceletException(ex);
 120                 }
 121
 122                 // Set it here
 123                 this.setUser(u);
 124
 125                 // Is it null?
 126                 if (null == u) {
 127                         // Not found, not visible.
 128                         return false;
 129                 }
 130
 131                 // Ask other method
 132                 return this.isProfileLinkVisible();
 133         }
 134
 135         @Override
 136         public boolean isProfileLinkVisibleByUser (final User user) {
 137                 // Is it correctly set?
 138                 if (null == user) {
 139                         // Throw NPE
 140                         throw new NullPointerException("user is null");
 141                 } else if (user.getUserId() == null) {
 142                         // Throw NPE again
 143                         throw new NullPointerException("user.userId is null");
 144                 } else if (user.getUserId() < 1) {
 145                         // Invalid user id set
 146                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not valid.", user.getUserId()));
 147                 }
 148
 149                 // Set user here
 150                 this.setUser(user);
 151
 152                 // Ask other method
 153                 return this.isProfileLinkVisible();
 154         }
 155 }