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.BillableReceipt;
  32 import org.mxchange.jfinancials.model.receipt_item.BillableReceiptItem;
  33 import org.mxchange.jfinancials.model.receipt_item.FinancialReceiptItem;
  34 import org.mxchange.jfinancials.model.receipt_item.FinancialAdminReceiptItemSessionBeanRemote;
  35 import org.mxchange.jproduct.model.product.Product;
  36
  37 /**
  38  * An administrative backing bean for receipt items
  39  * <p>
  40  * @author Roland Häder<roland@mxchange.org>
  41  */
  42 @Named ("adminReceiptItemController")
  43 @RequestScoped
  44 public class FinancialAdminReceiptItemWebRequestBean extends BaseFinancialsBean implements FinancialAdminReceiptItemWebRequestController {
  45
  46         /**
  47          * Serial number
  48          */
  49         private static final long serialVersionUID = 595_754_280_374_172L;
  50
  51         /**
  52          * Event being fired when administrator has added a new receipt item
  53          */
  54         @Inject
  55         @Any
  56         private Event<ObservableReceiptItemAddedEvent> adminAddedReceiptItemEvent;
  57
  58         /**
  59          * EJB for general financial receipt item purposes
  60          */
  61         @EJB (lookup = "java:global/jfinancials-ejb/adminFinancialReceiptItem!org.mxchange.jfinancials.model.receipt.item.FinancialAdminReceiptItemSessionBeanRemote")
  62         private FinancialAdminReceiptItemSessionBeanRemote adminReceiptItemBean;
  63
  64         /**
  65          * Discount on product price (if any) Valid: values 0...1 (1=100% discount)
  66          */
  67         private Float itemDiscount;
  68
  69         /**
  70          * Item product
  71          */
  72         private Product itemProduct;
  73
  74         /**
  75          * Quantity of item
  76          */
  77         private Long itemQuantity;
  78
  79         /**
  80          * Assigned receipt
  81          */
  82         private BillableReceipt itemReceipt;
  83
  84         /**
  85          * General receipt item controller
  86          */
  87         @Inject
  88         private FinancialsReceiptItemWebRequestController receiptItemController;
  89
  90         /**
  91          * Default constructor
  92          */
  93         public FinancialAdminReceiptItemWebRequestBean () {
  94                 // Call super constructor
  95                 super();
  96         }
  97
  98         /**
  99          * Adds the completed receipt item to database by calling an EJB business
 100          * method. If not all required fields are set, a proper exception is being
 101          * thrown.
 102          * <p>
 103          * @return Link outcome
 104          */
 105         public String addReceiptItem () {
 106                 // Are all required fields set?
 107
 108                 // Prepare receipt item instance
 109                 final BillableReceiptItem receiptItem = this.createReceiptItemInstance();
 110
 111                 // Is the receipt already there?
 112                 if (this.receiptItemController.isReceiptItemAdded(receiptItem)) {
 113                         // Receipt has already been added
 114                         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
 115                 }
 116
 117                 // Init variable
 118                 final BillableReceiptItem updatedReceiptItem;
 119
 120                 // All is set, then try to call EJB
 121                 try {
 122                         // Add it
 123                         updatedReceiptItem = this.adminReceiptItemBean.addReceiptItem(receiptItem);
 124                 } catch (final ReceiptItemAlreadyAddedException ex) {
 125                         // Throw it again
 126                         throw new FaceletException(ex);
 127                 }
 128
 129                 // Fire event with updated instance
 130                 this.adminAddedReceiptItemEvent.fire(new ReceiptItemAddedEvent(updatedReceiptItem));
 131
 132                 // Clear bean
 133                 this.clear();
 134
 135                 // Return redirect outcome
 136                 return "add_receipt_item?faces-redirect=true"; //NOI18N
 137         }
 138
 139         /**
 140          * Getter for item discount
 141          * <p>
 142          * @return Item discount
 143          */
 144         public Float getItemDiscount () {
 145                 return this.itemDiscount;
 146         }
 147
 148         /**
 149          * Setter for item discount
 150          * <p>
 151          * @param itemDiscount Item discount
 152          */
 153         public void setItemDiscount (final Float itemDiscount) {
 154                 this.itemDiscount = itemDiscount;
 155         }
 156
 157         /**
 158          * Getter for assigned product
 159          * <p>
 160          * @return Assigned product
 161          */
 162         public Product getItemProduct () {
 163                 return this.itemProduct;
 164         }
 165
 166         /**
 167          * Setter for assigned product
 168          * <p>
 169          * @param itemProduct Assigned product
 170          */
 171         public void setItemProduct (final Product itemProduct) {
 172                 this.itemProduct = itemProduct;
 173         }
 174
 175         /**
 176          * Getter for item quantity
 177          * <p>
 178          * @return Item quantity
 179          */
 180         public Long getItemQuantity () {
 181                 return this.itemQuantity;
 182         }
 183
 184         /**
 185          * Setter for item quantity
 186          * <p>
 187          * @param itemQuantity Item quantity
 188          */
 189         public void setItemQuantity (final Long itemQuantity) {
 190                 this.itemQuantity = itemQuantity;
 191         }
 192
 193         /**
 194          * Getter for assigned receipt
 195          * <p>
 196          * @return Assigned receipt
 197          */
 198         public BillableReceipt getItemReceipt () {
 199                 return this.itemReceipt;
 200         }
 201
 202         /**
 203          * Setter for assigned receipt
 204          * <p>
 205          * @param itemReceipt Assigned receipt
 206          */
 207         public void setItemReceipt (final BillableReceipt itemReceipt) {
 208                 this.itemReceipt = itemReceipt;
 209         }
 210
 211         /**
 212          * Clears this bean
 213          */
 214         private void clear () {
 215                 // Clear all fields
 216                 this.setItemDiscount(null);
 217                 this.setItemProduct(null);
 218                 this.setItemQuantity(null);
 219                 this.setItemReceipt(null);
 220         }
 221
 222         /**
 223          * Creates a new instance from all available data of this bean.
 224          * <p>
 225          * @return Receipt item instance
 226          */
 227         private BillableReceiptItem createReceiptItemInstance () {
 228                 // Create new instance with minimum required data
 229                 final BillableReceiptItem receiptItem = new FinancialReceiptItem(this.getItemProduct(), this.getItemQuantity(), this.getItemReceipt());
 230
 231                 // Set optional data
 232                 receiptItem.setItemProductDiscount(this.getItemDiscount());
 233
 234                 // Return prepared instance
 235                 return receiptItem;
 236         }
 237
 238 }