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

   1 /*
   2  * Copyright (C) 2017 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.jfinancials.beans.financial.model.receipt_item;
  18
  19 import java.text.MessageFormat;
  20 import javax.ejb.EJB;
  21 import javax.enterprise.context.RequestScoped;
  22 import javax.enterprise.event.Event;
  23 import javax.enterprise.inject.Any;
  24 import javax.faces.view.facelets.FaceletException;
  25 import javax.inject.Inject;
  26 import javax.inject.Named;
  27 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  28 import org.mxchange.jfinancials.events.receipt_item.added.ObservableReceiptItemAddedEvent;
  29 import org.mxchange.jfinancials.events.receipt_item.added.ReceiptItemAddedEvent;
  30 import org.mxchange.jfinancials.exceptions.receipt_item.ReceiptItemAlreadyAddedException;
  31 import org.mxchange.jfinancials.model.receipt.item.BillableReceiptItem;
  32 import org.mxchange.jfinancials.model.receipt.item.FinancialReceiptItem;
  33 import org.mxchange.jfinancials.model.receipt_item.FinancialAdminReceiptItemSessionBeanRemote;
  34
  35 /**
  36  * An administrative backing bean for receipt items
  37  * <p>
  38  * @author Roland Häder<roland@mxchange.org>
  39  */
  40 @Named ("adminReceiptItemController")
  41 @RequestScoped
  42 public class FinancialAdminReceiptItemWebRequestBean extends BaseFinancialsBean implements FinancialAdminReceiptItemWebRequestController {
  43
  44         /**
  45          * Serial number
  46          */
  47         private static final long serialVersionUID = 595_754_280_374_172L;
  48
  49         /**
  50          * Event being fired when administrator has added a new receipt item
  51          */
  52         @Inject
  53         @Any
  54         private Event<ObservableReceiptItemAddedEvent> adminAddedReceiptItemEvent;
  55
  56         /**
  57          * EJB for general financial receipt item purposes
  58          */
  59         @EJB (lookup = "java:global/jfinancials-ejb/adminFinancialReceiptItem!org.mxchange.jfinancials.model.receipt.item.FinancialAdminReceiptItemSessionBeanRemote")
  60         private FinancialAdminReceiptItemSessionBeanRemote adminReceiptItemBean;
  61
  62         /**
  63          * General receipt item controller
  64          */
  65         @Inject
  66         private FinancialsReceiptItemWebRequestController receiptItemController;
  67
  68         /**
  69          * Default constructor
  70          */
  71         public FinancialAdminReceiptItemWebRequestBean () {
  72                 // Call super constructor
  73                 super();
  74         }
  75
  76         /**
  77          * Adds the completed receipt item to database by calling an EJB business
  78          * method. If not all required fields are set, a proper exception is being
  79          * thrown.
  80          * <p>
  81          * @return Link outcome
  82          */
  83         public String addReceiptItem () {
  84                 // Are all required fields set?
  85
  86                 // Prepare receipt item instance
  87                 final BillableReceiptItem receiptItem = this.createReceiptItemInstance();
  88
  89                 // Is the receipt already there?
  90                 if (this.receiptItemController.isReceiptItemAdded(receiptItem)) {
  91                         // Receipt has already been added
  92                         throw new FaceletException(MessageFormat.format("Receipt for itemReceipt.receiptId={0},itemProduct.productId={1},itemProductQuantity={2} has already been added.", receiptItem.getItemReceipt().getReceiptId(), receiptItem.getItemProduct().getProductId(), receiptItem.getItemProductQuantity())); //NOI18N
  93                 }
  94
  95                 // Init variable
  96                 final BillableReceiptItem updatedReceiptItem;
  97
  98                 // All is set, then try to call EJB
  99                 try {
 100                         // Add it
 101                         updatedReceiptItem = this.adminReceiptItemBean.addReceiptItem(receiptItem);
 102                 } catch (final ReceiptItemAlreadyAddedException ex) {
 103                         // Throw it again
 104                         throw new FaceletException(ex);
 105                 }
 106
 107                 // Fire event with updated instance
 108                 this.adminAddedReceiptItemEvent.fire(new ReceiptItemAddedEvent(updatedReceiptItem));
 109
 110                 // Clear bean
 111                 this.clear();
 112
 113                 // Return redirect outcome
 114                 return "add_receipt_item?faces-redirect=true"; //NOI18N
 115         }
 116
 117         /**
 118          * Clears this bean
 119          */
 120         private void clear () {
 121                 // Clear all fields
 122         }
 123
 124         /**
 125          * Creates a new instance from all available data of this bean.
 126          * <p>
 127          * @return Receipt item instance
 128          */
 129         private BillableReceiptItem createReceiptItemInstance () {
 130                 // Create new instance with minimum required data
 131                 final BillableReceiptItem receiptItem = new FinancialReceiptItem();
 132
 133                 // Set optional data
 134
 135                 // Return prepared instance
 136                 return receiptItem;
 137         }
 138
 139 }