@SuppressWarnings("unchecked")
@Override
public ActionResult execute(WebContext webContext) {
ResourceBundle messagesBundle = webContext.getMessagesBundle();
CategoryService categoryService = new CategoryService();
ActionResult backToPreviousPage = new ActionResult(webContext.getPreviousURI(), true);
String name = webContext.getParameter(CATEGORY);
if (name == null || name.isEmpty()) {
webContext.setAttribute(
"errorMessage",
messagesBundle.getString("add-category.message.categoryIsEmpty"),
Scope.FLASH);
return backToPreviousPage;
}
Category createdCategory = categoryService.createCategory(name);
// add new category to the list in app context
if (createdCategory != null) {
List<Category> categories =
(List<Category>)
webContext.getAttribute(ContextListener.CATEGORIES_LIST, Scope.APPLICATION);
categories.add(createdCategory);
webContext.setAttribute(
"successMessage", messagesBundle.getString("add-category.message.success"), Scope.FLASH);
} else {
webContext.setAttribute(
"errorMessage", messagesBundle.getString("add-category.message.exist"), Scope.FLASH);
}
return backToPreviousPage;
}
protected void setAttributesToFlashScope(WebContext webContext) {
webContext.setAttribute(CATEGORY_NAME, webContext.getParameter(CATEGORY_NAME), Scope.FLASH);
webContext.setAttribute(PRODUCT_NAME, webContext.getParameter(PRODUCT_NAME), Scope.FLASH);
webContext.setAttribute(
PRODUCT_MANUFACTURER, webContext.getParameter(PRODUCT_MANUFACTURER), Scope.FLASH);
webContext.setAttribute(PRICE, webContext.getParameter(PRICE), Scope.FLASH);
webContext.setAttribute(DESCRIPTION, webContext.getParameter(DESCRIPTION), Scope.FLASH);
}