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.util.Collections;
  20 import java.util.List;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.RequestScoped;
  23 import javax.enterprise.event.Event;
  24 import javax.enterprise.inject.Any;
  25 import javax.faces.view.facelets.FaceletException;
  26 import javax.inject.Inject;
  27 import javax.inject.Named;
  28 import javax.naming.Context;
  29 import javax.naming.InitialContext;
  30 import javax.naming.NamingException;
  31 import org.mxchange.jcontacts.contact.Contact;
  32 import org.mxchange.jcontacts.contact.gender.Gender;
  33 import org.mxchange.jcontacts.exceptions.ContactAlreadyAddedException;
  34 import org.mxchange.jcustomercore.events.AdminAddedCustomerEvent;
  35 import org.mxchange.jcustomercore.events.CustomerAdminAddedEvent;
  36 import org.mxchange.jcustomercore.exceptions.CustomerAlreadyRegisteredException;
  37 import org.mxchange.jcustomercore.model.customer.Customer;
  38 import org.mxchange.jcustomercore.model.customer.status.CustomerAccountStatus;
  39 import org.mxchange.pizzaapplication.beans.contact.PizzaAdminContactWebRequestController;
  40 import org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote;
  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          * An event being fired when an administrator has added a new customer
  69          */
  70         @Inject
  71         @Any
  72         private Event<AdminAddedCustomerEvent> customerAddedEvent;
  73
  74         /**
  75          * A list of all customers
  76          */
  77         private List<Customer> customerList;
  78
  79         /**
  80          * Default constructor
  81          */
  82         public PizzaAdminCustomerWebRequestBean () {
  83                 // Try it
  84                 try {
  85                         // Get initial context
  86                         Context context = new InitialContext();
  87
  88                         // Try to lookup
  89                         this.adminCustomerBean = (PizzaAdminCustomerSessionBeanRemote) context.lookup("java:global/PizzaService-ejb/admincustomer!org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote"); //NOI18N
  90                 } catch (final NamingException e) {
  91                         // Throw again
  92                         throw new FaceletException(e);
  93                 }
  94         }
  95
  96         @Override
  97         public String addCustomer () {
  98                 // Are at least some fields added?
  99                 if (!this.isCustomerDataSet()) {
 100                         // Not all customer data is set
 101                         throw new FaceletException("Please provide minimum personal data: gender, first_name, family_name"); //NOI18N
 102                 }
 103
 104                 // Get contact instance
 105                 Contact contact = this.adminContactController.createContactInstance();
 106
 107                 // Ask the EJB for a free customer number
 108                 String customerNumber = this.adminCustomerBean.createCustomerNumber();
 109
 110                 // Create new customer instance
 111                 Customer customer = new PizzaCustomer(CustomerAccountStatus.CONFIRMED, contact, customerNumber);
 112
 113                 // Init instance
 114                 Customer updatedCustomer;
 115
 116                 try {
 117                         // Add customer and return updated
 118                         updatedCustomer = this.adminCustomerBean.addCustomer(customer);
 119                 } catch (final CustomerAlreadyRegisteredException | ContactAlreadyAddedException ex) {
 120                         // Throw again
 121                         throw new FaceletException(ex);
 122                 }
 123
 124                 // Add customer to list
 125                 this.customerList.add(updatedCustomer);
 126
 127                 // Fire event
 128                 this.customerAddedEvent.fire(new CustomerAdminAddedEvent(updatedCustomer));
 129
 130                 // Redirect
 131                 return "admin_list_customer"; //NOI18N
 132         }
 133
 134         @Override
 135         public List<Customer> allCustomers () {
 136                 // Return it
 137                 return Collections.unmodifiableList(this.customerList);
 138         }
 139
 140         @Override
 141         public boolean hasCustomers () {
 142                 return (!this.allCustomers().isEmpty());
 143         }
 144
 145         /**
 146          * Post-initialization of this class
 147          */
 148         @PostConstruct
 149         public void init () {
 150                 // Initialize customer list
 151                 this.customerList = this.adminCustomerBean.allCustomers();
 152         }
 153
 154         /**
 155          * Checks whether ther minimum customer data is set
 156          * <p>
 157          * @return Whether minimum data is set
 158          */
 159         private boolean isCustomerDataSet () {
 160                 // Check all
 161                 return ((this.adminContactController.getGender() instanceof Gender) &&
 162                                 (this.adminContactController.getFirstName() != null) &&
 163                                 (!this.adminContactController.getFirstName().isEmpty()) &&
 164                                 (this.adminContactController.getFamilyName() != null) &&
 165                                 (!this.adminContactController.getFamilyName().isEmpty()));
 166         }
 167
 168 }