/**
* Method which handles the logic of updating an item's sekSum/value. It first parses the id and
* amount to integers and fetches the list-item object via the ID. It then updates the list item's
* seksum witch the amount by calling the updateListItem() method in listDAO class.
*
* @param id
* @param amount
* @throws Exception
*/
public void updateListItemValue(String id, String amount) throws Exception {
try {
int parsedID = Integer.parseInt(id);
int parsedAmount = Integer.parseInt(amount);
TopList toplist = listDAO.getListItemByID(parsedID);
if (toplist != null) {
listDAO.updateListItem(toplist, parsedAmount);
} else throw new Exception();
} catch (NumberFormatException e) {
e.printStackTrace();
} catch (Exception e) {
throw e;
}
}
/**
* Method which calls the listDAO class, who returns all the list-items from the database.
*
* @return list of all items.
* @throws Exception
*/
public List<TopList> getTopListFromDB() throws Exception {
List<TopList> topList = listDAO.getListItems();
return topList;
}
/**
* Method which calls the addListItemToDB method in listDAO, which adds the list-item.
*
* @param product
* @param producturl
* @param userId
* @throws Exception
*/
public void addListItem(String product, String producturl, int userId) throws Exception {
listDAO.addListItemToDB(new TopList(product, producturl, userId));
}
/**
* * Get logged in users topList
*
* @author Joel
* @param userId
* @return user specific topList
*/
public List<TopList> getUserTopListFromDB(int userId) throws Exception {
List<TopList> topList = listDAO.getUserListItems(userId);
return topList;
}