src/java/org/mxchange/pizzaapplication/beans/customer/PizzaAdminCustomerWebRequestBean.java

   1 /*
   2  * Copyright (C) 2016 - 2020 Free Software Foundation
   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.event.Observes;
  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.model.contact.Contact;
  32 import org.mxchange.jcontacts.exceptions.ContactAlreadyAddedException;
  33 import org.mxchange.jcustomercore.events.customer.added.AdminAddedCustomerEvent;
  34 import org.mxchange.jcustomercore.events.customer.added.ObservableAdminAddedCustomerEvent;
  35 import org.mxchange.jcustomercore.events.customer.created.ObservableCreatedCustomerEvent;
  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.BasePizzaBean;
  40 import org.mxchange.pizzaapplication.beans.contact.PizzaAdminContactWebRequestController;
  41 import org.mxchange.pizzaapplication.beans.helper.PizzaWebRequestHelperController;
  42 import org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote;
  43 import org.mxchange.jcustomercore.model.customer.ContactCustomer;
  44
  45 /**
  46  * Administrative customer bean (controller)
  47  * <p>
  48  * @author Roland Häder<roland@mxchange.org>
  49  */
  50 @Named ("adminCustomerController")
  51 @RequestScoped
  52 public class PizzaAdminCustomerWebRequestBean extends BasePizzaBean implements PizzaAdminCustomerWebRequestController {
  53
  54         /**
  55          * Serial number
  56          */
  57         private static final long serialVersionUID = 12_487_062_487_527_913L;
  58
  59         /**
  60          * Administrative contact controller (for personal data)
  61          */
  62         @Inject
  63         private PizzaAdminContactWebRequestController adminContactController;
  64
  65         /**
  66          * Administrative customer EJB
  67          */
  68         private PizzaAdminCustomerSessionBeanRemote adminCustomerBean;
  69
  70         /**
  71          * Bean helper instance
  72          */
  73         @Inject
  74         private PizzaWebRequestHelperController beanHelper;
  75
  76         /**
  77          * Contact instance
  78          */
  79         private Contact contact;
  80
  81         /**
  82          * An event being fired when an administrator has added a new customer
  83          */
  84         @Inject
  85         @Any
  86         private Event<ObservableAdminAddedCustomerEvent> customerAddedEvent;
  87
  88         /**
  89          * General customer controller
  90          */
  91         @Inject
  92         private PizzaCustomerWebSessionController customerController;
  93
  94         /**
  95          * Default constructor
  96          */
  97         public PizzaAdminCustomerWebRequestBean () {
  98         }
  99
 100         /**
 101          * Adds customer to database if not already added. This method should return
 102          * a redirect outcome on success.
 103          * <p>
 104          * @return Redirect outcome
 105          */
 106         public String addCustomer () {
 107                 // Are at least some fields added?
 108                 if ((this.getContact() == null) && (!this.isCustomerDataSet())) {
 109                         // Not all customer data is set
 110                         throw new FaceletException("Please provide minimum personal data: gender, first_name, family_name"); //NOI18N
 111                 }
 112
 113                 // Init contact
 114                 Contact customerContact;
 115
 116                 // Is the contact set in helper?
 117                 if (this.getContact() instanceof Contact) {
 118                         // Get from helper
 119                         customerContact = this.getContact();
 120                 } else {
 121                         // Get new contact instance
 122                         customerContact = this.adminContactController.createContactInstance();
 123                 }
 124
 125                 // Ask the EJB for a free customer number
 126                 String customerNumber = this.adminCustomerBean.createCustomerNumber();
 127
 128                 // Create new customer instance
 129                 Customer customer = new ContactCustomer(CustomerAccountStatus.CONFIRMED, customerContact, customerNumber);
 130
 131                 // Init instance
 132                 Customer updatedCustomer;
 133
 134                 try {
 135                         // Add/link customer and return updated
 136                         if (this.getContact() instanceof Contact) {
 137                                 // Link customer
 138                                 updatedCustomer = this.adminCustomerBean.linkCustomer(customer);
 139
 140                                 // Remove contact instance
 141                                 this.setContact(null);
 142                         } else {
 143                                 // Add new customer instance
 144                                 updatedCustomer = this.adminCustomerBean.addCustomer(customer);
 145                         }
 146                 } catch (final CustomerAlreadyRegisteredException | ContactAlreadyAddedException ex) {
 147                         // Throw again
 148                         throw new FaceletException(ex);
 149                 }
 150
 151                 // Fire event
 152                 this.customerAddedEvent.fire(new AdminAddedCustomerEvent(updatedCustomer));
 153
 154                 // Redirect
 155                 return "admin_list_customer"; //NOI18N
 156         }
 157
 158         /**
 159          * Observes an even when a customer has been created
 160          * <p>
 161          * @param event Event being fired
 162          */
 163         public void afterCustomerCreatedEvent (final @Observes ObservableCreatedCustomerEvent event) {
 164                 // The event instance must be valid
 165                 if (null == event) {
 166                         // Throw NPE again
 167                         throw new NullPointerException("event is null"); //NOI18N
 168                 } else if (event.getCreatedCustomer() == null) {
 169                         // Throw NPE
 170                         throw new NullPointerException("event.createdCustomer is null"); //NOI18N
 171                 } else if (event.getCreatedCustomer().getCustomerId() == null) {
 172                         // Throw again ...
 173                         throw new NullPointerException("event.createdCustomer.customerId is null"); //NOI18N
 174                 } else if (event.getCreatedCustomer().getCustomerId() < 1) {
 175                         // Invalid id number
 176                         throw new IllegalArgumentException(MessageFormat.format("event.createdCustomer.customerId={0} is not valid", event.getCreatedCustomer().getCustomerId())); //NOI18N
 177                 } else if (event.getCreatedCustomer().getCustomerContact() == null) {
 178                         // Throw NPE again
 179                         throw new NullPointerException("event.createdCustomer.customerContact is null"); //NOI18N
 180                 } else if (event.getCreatedCustomer().getCustomerContact().getContactId() == null) {
 181                         // .. and again
 182                         throw new NullPointerException("event.createdCustomer.customerContact.contactId is null"); //NOI18N
 183                 } else if (event.getCreatedCustomer().getCustomerContact().getContactId() < 1) {
 184                         // Invalid id
 185                         throw new IllegalArgumentException(MessageFormat.format("event.createdCustomer.customerContact.contactId={0} is not valid", event.getCreatedCustomer().getCustomerContact().getContactId())); //NOI18N
 186                 }
 187
 188                 // @TODO Set all data
 189         }
 190
 191         /**
 192          * Getter for contact instance
 193          * <p>
 194          * @return Contact instance
 195          */
 196         public Contact getContact () {
 197                 return this.contact;
 198         }
 199
 200         /**
 201          * Setter for contact instance
 202          * <p>
 203          * @param contact Contact instance
 204          */
 205         public void setContact (final Contact contact) {
 206                 this.contact = contact;
 207         }
 208
 209         /**
 210          * Post-initialization of this class
 211          */
 212         @PostConstruct
 213         public void init () {
 214                 // Try it
 215                 try {
 216                         // Get initial context
 217                         Context context = new InitialContext();
 218
 219                         // Try to lookup
 220                         this.adminCustomerBean = (PizzaAdminCustomerSessionBeanRemote) context.lookup("java:global/pizzaservice-ejb/admincustomer!org.mxchange.pizzaapplication.model.customer.PizzaAdminCustomerSessionBeanRemote"); //NOI18N
 221                 } catch (final NamingException e) {
 222                         // Throw again
 223                         throw new FaceletException(e);
 224                 }
 225         }
 226
 227         /**
 228          * Checks whether the minimum customer data is set
 229          * <p>
 230          * @return Whether minimum data is set
 231          */
 232         private boolean isCustomerDataSet () {
 233                 // Check all
 234                 return this.adminContactController.isRequiredPersonalDataSet();
 235         }
 236
 237 }