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