src/java/org/mxchange/pizzaapplication/beans/customer/PizzaAdminCustomerWebRequestBean.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.pizzaapplication.beans.customer;
  18
  19 import java.text.MessageFormat;
  20 import javax.annotation.PostConstruct;
  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 javax.naming.Context;
  28 import javax.naming.InitialContext;
  29 import javax.naming.NamingException;
  30 import org.mxchange.jcontacts.contact.Contact;
  31 import org.mxchange.jcontacts.contact.gender.Gender;
  32 import org.mxchange.jcontacts.exceptions.ContactAlreadyAddedException;
  33 import org.mxchange.jcustomercore.events.AdminAddedCustomerEvent;
  34 import org.mxchange.jcustomercore.events.CustomerAdminAddedEvent;
  35 import org.mxchange.jcustomercore.exceptions.CustomerAlreadyRegisteredException;
  36 import org.mxchange.jcustomercore.model.customer.Customer;
  37 import org.mxchange.jcustomercore.model.customer.status.CustomerAccountStatus;
  38 import org.mxchange.pizzaapplication.beans.contact.PizzaAdminContactWebRequestController;
  39 import org.mxchange.pizzaapplication.beans.helper.PizzaAdminWebRequestController;
  40 import org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote;
  41 import org.mxchange.pizzaapplication.model.customer.PizzaCustomer;
  42
  43 /**
  44  * Administrative customer bean (controller)
  45  * <p>
  46  * @author Roland Haeder<roland@mxchange.org>
  47  */
  48 @Named ("adminCustomerController")
  49 @RequestScoped
  50 public class PizzaAdminCustomerWebRequestBean implements PizzaAdminCustomerWebRequestController {
  51
  52         /**
  53          * Serial number
  54          */
  55         private static final long serialVersionUID = 12_487_062_487_527_913L;
  56
  57         /**
  58          * Administrative contact controller (for personal data)
  59          */
  60         @Inject
  61         private PizzaAdminContactWebRequestController adminContactController;
  62
  63         /**
  64          * Administrative customer EJB
  65          */
  66         private PizzaAdminCustomerSessionBeanRemote adminCustomerBean;
  67
  68         /**
  69          * Admin helper instance
  70          */
  71         @Inject
  72         private PizzaAdminWebRequestController adminHelper;
  73
  74         /**
  75          * An event being fired when an administrator has added a new customer
  76          */
  77         @Inject
  78         @Any
  79         private Event<AdminAddedCustomerEvent> customerAddedEvent;
  80
  81         /**
  82          * General customer controller
  83          */
  84         @Inject
  85         private PizzaCustomerWebSessionController customerController;
  86
  87         /**
  88          * Default constructor
  89          */
  90         public PizzaAdminCustomerWebRequestBean () {
  91                 // Try it
  92                 try {
  93                         // Get initial context
  94                         Context context = new InitialContext();
  95
  96                         // Try to lookup
  97                         this.adminCustomerBean = (PizzaAdminCustomerSessionBeanRemote) context.lookup("java:global/PizzaService-ejb/admincustomer!org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote"); //NOI18N
  98                 } catch (final NamingException e) {
  99                         // Throw again
 100                         throw new FaceletException(e);
 101                 }
 102         }
 103
 104         @Override
 105         public String addCustomer () {
 106                 // Are at least some fields added?
 107                 if ((this.adminHelper.getContact() == null) && (!this.isCustomerDataSet())) {
 108                         // Not all customer data is set
 109                         throw new FaceletException("Please provide minimum personal data: gender, first_name, family_name"); //NOI18N
 110                 }
 111
 112                 // Init contact
 113                 Contact contact;
 114
 115                 // Is the contact set in helper?
 116                 if (this.adminHelper.getContact() instanceof Contact) {
 117                         // Get from helper
 118                         contact = this.adminHelper.getContact();
 119                 } else {
 120                         // Get new contact instance
 121                         contact = this.adminContactController.createContactInstance();
 122                 }
 123
 124                 // Ask the EJB for a free customer number
 125                 String customerNumber = this.adminCustomerBean.createCustomerNumber();
 126
 127                 // Create new customer instance
 128                 Customer customer = new PizzaCustomer(CustomerAccountStatus.CONFIRMED, contact, customerNumber);
 129
 130                 // Init instance
 131                 Customer updatedCustomer;
 132
 133                 try {
 134                         // Add/link customer and return updated
 135                         if (this.adminHelper.getContact() instanceof Contact) {
 136                                 // Link customer
 137                                 updatedCustomer = this.adminCustomerBean.linkCustomer(customer);
 138
 139                                 // Remove contact instance
 140                                 this.adminHelper.setContact(null);
 141                         } else {
 142                                 // Add new customer instance
 143                                 updatedCustomer = this.adminCustomerBean.addCustomer(customer);
 144                         }
 145                 } catch (final CustomerAlreadyRegisteredException | ContactAlreadyAddedException ex) {
 146                         // Throw again
 147                         throw new FaceletException(ex);
 148                 }
 149
 150                 // Fire event
 151                 this.customerAddedEvent.fire(new CustomerAdminAddedEvent(updatedCustomer));
 152
 153                 // Redirect
 154                 return "admin_list_customer"; //NOI18N
 155         }
 156
 157         @Override
 158         public void copyCustomerToController (final Customer customer) {
 159                 // Parameters must be valid
 160                 if (null == customer) {
 161                         // Throw NPE
 162                         throw new NullPointerException("customer is null");
 163                 } else if (customer.getCustomerId() == null) {
 164                         // Throw again ...
 165                         throw new NullPointerException("customer.customerId is null");
 166                 } else if (customer.getCustomerId() < 1) {
 167                         // Invalid id number
 168                         throw new IllegalArgumentException(MessageFormat.format("customer.customerId={0} is not valid", customer.getCustomerId()));
 169                 } else if (customer.getCustomerContact() == null) {
 170                         // Throw NPE again
 171                         throw new NullPointerException("customer.customerContact is null");
 172                 } else if (customer.getCustomerContact().getContactId() == null) {
 173                         // .. and again
 174                         throw new NullPointerException("customer.customerContact.contactId is null");
 175                 } else if (customer.getCustomerContact().getContactId() < 1) {
 176                         // Invalid id
 177                         throw new IllegalArgumentException(MessageFormat.format("customer.customerContact.contactId={0} is not valid", customer.getCustomerContact().getContactId()));
 178                 }
 179
 180                 // @TODO Set all data
 181         }
 182
 183         /**
 184          * Post-initialization of this class
 185          */
 186         @PostConstruct
 187         public void init () {
 188         }
 189
 190         /**
 191          * Checks whether ther minimum customer data is set
 192          * <p>
 193          * @return Whether minimum data is set
 194          */
 195         private boolean isCustomerDataSet () {
 196                 // Check all
 197                 return ((this.adminContactController.getGender() instanceof Gender) &&
 198                                 (this.adminContactController.getFirstName() != null) &&
 199                                 (!this.adminContactController.getFirstName().isEmpty()) &&
 200                                 (this.adminContactController.getFamilyName() != null) &&
 201                                 (!this.adminContactController.getFamilyName().isEmpty()));
 202         }
 203
 204 }