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shopping cart done

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Signed-off-by: Johannes Theiner <j.theiner@live.de>
This commit is contained in:
Johannes Theiner 2019-06-06 19:03:37 +02:00
parent 7d443a1aeb
commit 41d62898c1
2 changed files with 30 additions and 3 deletions
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20
src/main/java/de/hsel/itech/db/ShoppingCartDB.java
View File

@ -52,6 +52,26 @@ public class ShoppingCartDB {
return list; return list;
} }
public int updateItem(@NotNull ShoppingCartItem item) {
Connection connection = database.getConnection();
assert connection != null;
int alterCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("UPDATE cart_books SET count = ? WHERE user = ? AND book = ?");
statement.setInt(1, item.getCount());
statement.setLong(2, item.getUser().getId());
statement.setLong(3, item.getArticle().getId());
alterCount += statement.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
}
return alterCount;
}
/** /**
* insert new item to users shopping cart. * insert new item to users shopping cart.
* *

13
src/main/java/de/hsel/itech/jsf/CartBean.java
View File

@ -3,11 +3,13 @@ package de.hsel.itech.jsf;
import de.hsel.itech.db.Database; import de.hsel.itech.db.Database;
import de.hsel.itech.db.pojo.*; import de.hsel.itech.db.pojo.*;
import lombok.Setter; import lombok.Setter;
import org.jetbrains.annotations.NotNull;
import javax.faces.annotation.ManagedProperty; import javax.faces.annotation.ManagedProperty;
import javax.faces.bean.ManagedBean; import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped; import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext; import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;
import javax.faces.event.ValueChangeEvent; import javax.faces.event.ValueChangeEvent;
import java.sql.Date; import java.sql.Date;
import java.util.ArrayList; import java.util.ArrayList;
@ -72,10 +74,15 @@ public class CartBean {
return items; return items;
} }
public void change(ValueChangeEvent event) { public void change(@NotNull ValueChangeEvent event) {
System.out.println("änderung"); if (event.getPhaseId() != PhaseId.INVOKE_APPLICATION) {
event.setPhaseId(PhaseId.INVOKE_APPLICATION);
event.queue();
return;
}
for(ShoppingCartItem item : getItems()) { for(ShoppingCartItem item : getItems()) {
System.out.println(item.getCount()); Database.getInstance().shoppingCart().updateItem(item);
} }
} }