git.mxchange.org Git - jfinancials-war.git/blob

   1 /*
   2  * Copyright (C) 2016 - 2020 Free Software Foundation
   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.jfinancials.beans.financial.model.receipt_item.user;
  18
  19 import java.text.MessageFormat;
  20 import java.util.LinkedList;
  21 import java.util.List;
  22 import java.util.Objects;
  23 import javax.enterprise.event.Observes;
  24 import javax.faces.view.ViewScoped;
  25 import javax.inject.Inject;
  26 import javax.inject.Named;
  27 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  28 import org.mxchange.jfinancials.beans.financial.model.receipt_item.list.FinancialsReceiptItemListWebViewController;
  29 import org.mxchange.jfinancials.beans.user.login.FinancialsUserLoginWebSessionController;
  30 import org.mxchange.jfinancials.events.receipt_item.added.ObservableReceiptItemAddedEvent;
  31 import org.mxchange.jfinancials.model.receipt_item.BillableReceiptItem;
  32 import org.mxchange.juserlogincore.events.login.ObservableUserLoggedInEvent;
  33
  34 /**
  35  * A list financial receipt item bean (controller)
  36  * <p>
  37  * @author Roland Häder<roland@mxchange.org>
  38  */
  39 @Named ("receiptItemUserController")
  40 @ViewScoped
  41 public class FinancialsReceiptItemUserWebSessionBean extends BaseFinancialsBean implements FinancialsReceiptItemUserWebSessionController {
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 56_189_028_928_572L;
  47
  48         /**
  49          * Receipt item list controller
  50          */
  51         @Inject
  52         private FinancialsReceiptItemListWebViewController receiptItemListController;
  53
  54         /**
  55          * User instance
  56          */
  57         @Inject
  58         private FinancialsUserLoginWebSessionController userLoginController;
  59
  60         /**
  61          * User's receipt items
  62          */
  63         private final List<BillableReceiptItem> userReceiptItems;
  64
  65         /**
  66          * Constructor
  67          */
  68         @SuppressWarnings ("CollectionWithoutInitialCapacity")
  69         public FinancialsReceiptItemUserWebSessionBean () {
  70                 // Call super constructor
  71                 super();
  72
  73                 // Init lists
  74                 this.userReceiptItems = new LinkedList<>();
  75         }
  76
  77         /**
  78          * Observes events being fired when a new receipt item has been added
  79          * <p>
  80          * @param event Event being fired
  81          */
  82         public void afterAddedReceiptItemEvent (@Observes final ObservableReceiptItemAddedEvent event) {
  83                 // Validate parameter
  84                 if (null == event) {
  85                         // Throw NPE
  86                         throw new NullPointerException("event is null"); //NOI18N
  87                 }
  88
  89                 // Is same user?
  90                 if (this.userLoginController.isUserLoggedIn() && Objects.equals(event.getReceiptItem().getItemReceipt().getReceiptUser(), this.userLoginController.getLoggedInUser())) {
  91                         // Same user, then add it
  92                         this.userReceiptItems.add(event.getReceiptItem());
  93                 }
  94         }
  95
  96         /**
  97          * Event observer for logged-in user
  98          * <p>
  99          * @param event Event instance
 100          */
 101         public void afterUserLoginEvent (@Observes final ObservableUserLoggedInEvent event) {
 102                 // event should not be null
 103                 if (null == event) {
 104                         // Throw NPE
 105                         throw new NullPointerException("event is null"); //NOI18N
 106                 } else if (event.getLoggedInUser() == null) {
 107                         // Throw NPE again
 108                         throw new NullPointerException("event.loggedInUser is null"); //NOI18N
 109                 } else if (event.getLoggedInUser().getUserId() == null) {
 110                         // userId is null
 111                         throw new NullPointerException("event.loggedInUser.userId is null"); //NOI18N
 112                 } else if (event.getLoggedInUser().getUserId() < 1) {
 113                         // Not avalid id
 114                         throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getLoggedInUser(), event.getLoggedInUser().getUserId())); //NOI18N
 115                 }
 116
 117                 // Fill cache with all found user's receipts
 118                 for (final BillableReceiptItem receiptItem : this.receiptItemListController.getAllReceiptItems()) {
 119                         // Is same user?
 120                         if (Objects.equals(receiptItem.getItemReceipt().getReceiptUser(), event.getLoggedInUser())) {
 121                                 // Yes, then add it
 122                                 this.userReceiptItems.add(receiptItem);
 123                         }
 124                 }
 125         }
 126
 127 }