public IActionResult Create(NewsCategoryView newNewsCategory)
{
if (ModelState.IsValid)
{
_context.Add(newNewsCategory.NewsCategory);
_context.SaveChanges();
// Add articles to the category
if (newNewsCategory.SelectedNewsArticles != null)
{
foreach (int id in newNewsCategory.SelectedNewsArticles)
{
_context.NewsArticleCategory.Add(new NewsArticleCategory()
{
NewsCategoryID = newNewsCategory.NewsCategory.NewsCategoryID,
NewsArticleID = id
});
}
}
_context.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(newNewsCategory));
}
private NewsCategoryView getNewsCategoriesView(NewsCategory nc, SelectList courseList)
{
NewsCategoryView ncView = new NewsCategoryView()
{
NewsCategory = nc,
NewsArticleList = courseList,
SelectedNewsArticles = nc.NewsArticleCategories.Select(sc => sc.NewsArticleID)
};
return(ncView);
}
[ActionName("Edit")] //重名处理
public ActionResult EditCategory()
{
var category = new NewsCategory();
//使用白名单更新实体，防止表单绑定分配漏洞
var categoryWhite = new[] { "ParentID", "Name", "DisplayName", "Order", "Describe" };
var isValid = TryUpdateModel(category, categoryWhite);
if (isValid)
{
_service.AddNewsCategory(category);
return(RedirectToAction("List"));
}
else
{
var categoryView = new NewsCategoryView();
isValid = TryUpdateModel(categoryView, categoryWhite);
return(View(categoryView));//返回带错误信息的模型
}
}
public ActionResult Edit(int?id, int?parentId)
{
var categoryView = new NewsCategoryView();
if (id == null)
{
categoryView.ParentID = parentId;
return(View(categoryView));
}
else
{
var category = _service.GetCategoryById(id.Value);
categoryView.ID = category.ID;
categoryView.ParentID = category.ParentID;
categoryView.Name = category.Name;
categoryView.DisplayName = category.DisplayName;
categoryView.Order = category.Order;
categoryView.Describe = category.Describe;
return(View(categoryView));
}
}
public IActionResult Edit(int id, NewsCategoryView updatedNewsCategory)
{
if (id != updatedNewsCategory.NewsCategory.NewsCategoryID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
// First remove all the current couplings between this category and articles
var rml = _context.NewsArticleCategory.Where(sc => sc.NewsCategoryID == id);
_context.RemoveRange(rml);
_context.SaveChanges();
// Add all the selected articles to the current category
updatedNewsCategory.NewsCategory.NewsArticleCategories = new List <NewsArticleCategory>();
if (updatedNewsCategory.SelectedNewsArticles != null)
{
foreach (int courseID in updatedNewsCategory.SelectedNewsArticles)
{
_context.NewsArticleCategory.Add(new NewsArticleCategory()
{
NewsCategoryID = updatedNewsCategory.NewsCategory.NewsCategoryID,
NewsArticleID = courseID
});
}
}
_context.NewsCategory.Update(updatedNewsCategory.NewsCategory);
_context.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(updatedNewsCategory.NewsCategory));
}
public void CreateInNewsCategoriesController()
{
// Create a NewsCategoryView (for the create function)
NewsCategoryView na = new NewsCategoryView()
{
NewsCategory = new NewsCategory()
{
Name = "Nieuws"
}
};
// Mocking
var dbContext = Tools.MockTestDatabaseContext();
var controller = new NewsCategoriesController(dbContext);
// Create a category
var result = controller.Create(na);
// Check if the result is a redirect
Assert.IsType <RedirectToActionResult>(result);
// Check if the name is saved correct
Assert.Contains(na.NewsCategory.Name, dbContext.NewsCategory.FirstOrDefault().Name);
}
