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