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