From 1a115e00a9a9a70ea7acdbb0fc7c398efdbc71a5 Mon Sep 17 00:00:00 2001
From: Julian Hinxlage <hinxlage.julian@web.de>
Date: Tue, 4 Jun 2019 23:39:40 +0200
Subject: [PATCH] +shopping cart

---
 src/main/java/de/hsel/itech/jsf/BookBean.java |  4 +--
 src/main/java/de/hsel/itech/jsf/CartBean.java | 24 +++++++++-------
 .../java/de/hsel/itech/jsf/CategoryBean.java  |  4 +--
 src/main/webapp/bookinfo.xhtml                | 10 +------
 src/main/webapp/cart.xhtml                    | 28 +++++++++++++++++--
 5 files changed, 45 insertions(+), 25 deletions(-)

diff --git a/src/main/java/de/hsel/itech/jsf/BookBean.java b/src/main/java/de/hsel/itech/jsf/BookBean.java
index e135261..b087d8c 100644
--- a/src/main/java/de/hsel/itech/jsf/BookBean.java
+++ b/src/main/java/de/hsel/itech/jsf/BookBean.java
@@ -7,12 +7,12 @@ import lombok.Setter;
 
 import javax.faces.bean.ManagedBean;
 import javax.faces.bean.ManagedProperty;
-import javax.faces.bean.RequestScoped;
+import javax.faces.bean.ViewScoped;
 import java.util.ArrayList;
 import java.util.List;
 
 @ManagedBean
-@RequestScoped
+@ViewScoped
 public class BookBean {
 
     @Getter
diff --git a/src/main/java/de/hsel/itech/jsf/CartBean.java b/src/main/java/de/hsel/itech/jsf/CartBean.java
index 6a38aa0..f278dfd 100644
--- a/src/main/java/de/hsel/itech/jsf/CartBean.java
+++ b/src/main/java/de/hsel/itech/jsf/CartBean.java
@@ -9,35 +9,35 @@ import lombok.Setter;
 
 import javax.faces.annotation.ManagedProperty;
 import javax.faces.bean.ManagedBean;
-import javax.faces.bean.RequestScoped;
+import javax.faces.bean.SessionScoped;
 import javax.faces.context.FacesContext;
 import java.util.ArrayList;
 import java.util.List;
 
 @ManagedBean
-@RequestScoped
+@SessionScoped
 public class CartBean {
 
     @Setter
     @ManagedProperty("#{userBean.user}")
     private User user;
 
-    @Setter
     @Getter
-    private long isbn;
+    private ArrayList<Book> bookList;
 
     public User getUser() {
         FacesContext context = FacesContext.getCurrentInstance();
         return (User) context.getApplication().evaluateExpressionGet(context,"#{userBean.user}", User.class);
     }
 
-    public String add(){
-        System.out.println("isbn: " + isbn);
-        if(Database.getInstance().book().exists(isbn)){
-            Book book = Database.getInstance().book().get(isbn);
+    public String add(Book book){
+        if(user != null){
             Database.getInstance().shoppingCart().insert(new ShoppingCartItem(user,book,1));
         }else{
-            return "index.jsf";
+            if(bookList == null){
+                bookList = new ArrayList<Book>();
+            }
+            bookList.add(book);
         }
         return "cart.jsf";
     }
@@ -55,7 +55,11 @@ public class CartBean {
     }
 
     public int getItemCount(){
-        return getItems().size();
+        int count = getItems().size();
+        if(bookList != null){
+            count += bookList.size();
+        }
+        return count;
     }
 
 }
diff --git a/src/main/java/de/hsel/itech/jsf/CategoryBean.java b/src/main/java/de/hsel/itech/jsf/CategoryBean.java
index e61b49e..7a5d15b 100644
--- a/src/main/java/de/hsel/itech/jsf/CategoryBean.java
+++ b/src/main/java/de/hsel/itech/jsf/CategoryBean.java
@@ -7,12 +7,12 @@ import lombok.Getter;
 import lombok.Setter;
 
 import javax.faces.bean.ManagedBean;
-import javax.faces.bean.ViewScoped;
+import javax.faces.bean.SessionScoped;
 import java.io.Serializable;
 import java.util.List;
 
 @ManagedBean
-@ViewScoped
+@SessionScoped
 public class CategoryBean implements Serializable {
 
     @Getter
diff --git a/src/main/webapp/bookinfo.xhtml b/src/main/webapp/bookinfo.xhtml
index 971be90..d9acf2f 100644
--- a/src/main/webapp/bookinfo.xhtml
+++ b/src/main/webapp/bookinfo.xhtml
@@ -10,15 +10,9 @@
     <ui:composition template="template.xhtml">
 
         <ui:define name="content">
-
             <h:form>
                 <h:commandLink action="#{bookBean.back}" value="zurück zur Auswahl" rendered="#{not empty bookBean}"/>
                 <br/>
-                <h:commandLink action="#{cartBean.add}">
-                    <f:setPropertyActionListener target="#{cartBean.isbn}" value="#{bookBean.book.isbn}"/>
-                    <i class="fas fa-cart-plus"/>
-                    in den Warenkorb
-                </h:commandLink>
             </h:form>
 
             <h:panelGroup layout="block" rendered="#{empty bookBean.book}">
@@ -56,9 +50,7 @@
                         <br/>
                         <div class="m-button m-success">
                             <h:form>
-                                <h:commandLink action="#{cartBean.add}">
-                                    <f:setPropertyActionListener target="#{cartBean.isbn}"
-                                                                 value="#{bookBean.book.isbn}"/>
+                                <h:commandLink action="#{cartBean.add(bookBean.book)}">
                                     <i class="fas fa-cart-plus"/>
                                     in den Warenkorb
                                 </h:commandLink>
diff --git a/src/main/webapp/cart.xhtml b/src/main/webapp/cart.xhtml
index a8bc1ef..2105538 100644
--- a/src/main/webapp/cart.xhtml
+++ b/src/main/webapp/cart.xhtml
@@ -9,14 +9,38 @@
     <ui:composition template="template.xhtml">
         <ui:define name="content">
 
-            #{cartBean.isbn}
-
             <ui:repeat value="#{cartBean.items}" var="item">
                 <li>
                     <h:outputLabel value="#{item.article.title}"/>
                 </li>
             </ui:repeat>
 
+            <ui:repeat value="#{cartBean.bookList}" var="book">
+                <div class="m-row m-block">
+                    <div class="m-col-t-4">
+                        <img src="https://source.unsplash.com/#{book.image}/100x100" class="m-image" alt="Buchcover"/>
+                    </div>
+                    <div class="m-col-t-4">
+                        <h3>#{book.title}</h3>
+                    </div>
+                    <div class="m-col-t-4">
+                        <div class="m-row">
+                            <h4 class="m-text-right">#{book.price} (in cent)&euro;</h4>
+                        </div>
+                        <div class="m-row">
+                            <div class="m-col-t-4 m-push-t-6">
+                                <input type="number" name="quantity" value="1" min="1" max="10"/>
+                            </div>
+                        </div>
+                        <div class="m-row">
+                            <div class="m-col-t-4 m-push-t-6 m-button m-small m-danger">
+                                <a href="#">Entfernen</a>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </ui:repeat>
+
             <div class="m-row">
                 <div class="m-col-t-3 m-push-t-5 m-button m-success">
                     <a href="#">Jetzt Kaufen</a>