119 lines
3.6 KiB
Java
119 lines
3.6 KiB
Java
package de.hsel.itech.jsf;
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import de.hsel.itech.db.Database;
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import de.hsel.itech.db.pojo.*;
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import lombok.Setter;
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import javax.faces.annotation.ManagedProperty;
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import javax.faces.bean.ManagedBean;
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import javax.faces.bean.SessionScoped;
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import javax.faces.context.FacesContext;
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import javax.faces.event.ValueChangeEvent;
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import java.sql.Date;
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import java.util.ArrayList;
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import java.util.List;
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@ManagedBean
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@SessionScoped
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public class CartBean {
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@Setter
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@ManagedProperty("#{userBean.user}")
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private User user;
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public User getUser() {
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FacesContext context = FacesContext.getCurrentInstance();
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return (User) context.getApplication().evaluateExpressionGet(context, "#{userBean.user}", User.class);
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}
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public Payment getPayment () {
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FacesContext context = FacesContext.getCurrentInstance();
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return (Payment) context.getApplication().evaluateExpressionGet(context, "#{paymentBean.selected}", Payment.class);
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}
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public Address getAddress() {
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FacesContext context = FacesContext.getCurrentInstance();
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return (Address) context.getApplication().evaluateExpressionGet(context, "#{addressBean.selected}", Address.class);
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}
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@Setter
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private List<ShoppingCartItem> items;
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public String add(Book book) {
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if (getUser() != null && getUser().getId() != 0) {
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for (ShoppingCartItem item : getItems()) {
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if (item.getArticle().getId() == book.getId()) {
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Database.getInstance().shoppingCart().delete(item);
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item.setCount(item.getCount() + 1);
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Database.getInstance().shoppingCart().insert(item);
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return "cart.jsf";
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}
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}
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Database.getInstance().shoppingCart().insert(new ShoppingCartItem(getUser(), book, 1));
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}
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return "cart.jsf";
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}
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public String remove(ShoppingCartItem item) {
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if (getUser() != null) {
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Database.getInstance().shoppingCart().delete(item);
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}
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return "cart.jsf";
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}
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public List<ShoppingCartItem> getItems() {
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if(items != null) return items;
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Database db = Database.getInstance();
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if (getUser() != null) {
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items = db.shoppingCart().get(getUser());
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} else {
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items = new ArrayList<ShoppingCartItem>();
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}
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return items;
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}
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public void change(ValueChangeEvent event) {
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System.out.println("änderung");
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for(ShoppingCartItem item : getItems()) {
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System.out.println(item.getCount());
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}
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}
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public String buy() {
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ArrayList<OrderItem> orderList = new ArrayList<>();
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for (ShoppingCartItem item : getItems()) {
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orderList.add(new OrderItem(item.getArticle(), item.getCount()));
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}
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Database.getInstance().order().insert(new Order(getUser(), orderList, new Date(System.currentTimeMillis()), sum(), getPayment(), getAddress()));
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for (ShoppingCartItem item : getItems()) {
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Database.getInstance().shoppingCart().delete(item);
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}
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return "thanks.jsf";
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}
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public int getItemCount() {
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return getItems().size();
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}
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public long sum() {
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int sum = 0;
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for (ShoppingCartItem item : getItems()) {
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sum += item.getCount() * item.getArticle().getPrice();
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}
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return sum;
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}
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public String getSum() {
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long sum = sum();
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String res = "";
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res += sum / 100;
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res += ",";
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if (sum % 100 < 10) {
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res += "0";
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}
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res += sum % 100;
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return res;
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}
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}
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