public void ListViewCategories_UpdateItem(int categoryId)
{
var category = this.context.Categories.Find(categoryId);
if (category == null)
{
this.ModelState.AddModelError("", String.Format("Item with id {0} was not found", categoryId));
return;
}
this.TryUpdateModel(category);
if (string.IsNullOrEmpty(category.Name))
{
ErrorSuccessNotifier.AddMessage(new NotificationMessage()
{
Text = "Cannot create category with invalid name.",
AutoHide = false,
Type = MessageType.Warning
});
return;
}
var categoryNameToLower = category.Name.ToLower();
var hasCategoryAlready = this.context.Categories.Any(c => c.Name.ToLower() == categoryNameToLower);
if (hasCategoryAlready)
{
ErrorSuccessNotifier.AddMessage(new NotificationMessage()
{
Text = string.Format(@"Category with name ""{0}"" already exists!", category.Name),
AutoHide = false,
Type = MessageType.Warning
});
return;
}
if (this.ModelState.IsValid)
{
this.TryUpdateOrShowMessage(new NotificationMessage()
{
Text = "Category was updated successfully.",
AutoHide = false,
Type = MessageType.Success
});
}
}
private void TryUpdateOrShowMessage(NotificationMessage msg)
{
try
{
this.context.SaveChanges();
ErrorSuccessNotifier.AddMessage(msg);
}
catch (Exception)
{
ErrorSuccessNotifier.AddMessage(new NotificationMessage()
{
Text = "Unhandled exception: something bad happened.",
AutoHide = false,
Type = MessageType.Error
});
}
}
public void ListViewArticles_InsertItem()
{
var articleProjection = new ArticleProjection();
this.TryUpdateModel(articleProjection);
var categoryId = int.Parse(articleProjection.CategoryName);
if (string.IsNullOrEmpty(articleProjection.Title) || string.IsNullOrEmpty(articleProjection.Content))
{
ErrorSuccessNotifier.AddMessage(new NotificationMessage()
{
Text = "Cannot create article with emptry title/content.",
AutoHide = false,
Type = MessageType.Warning
});
return;
}
var article = new Article()
{
Title = articleProjection.Title,
Content = articleProjection.Content,
AuthorId = this.userIdProvider.GetUserId(),
DateCreated = DateTime.Now,
CategoryId = categoryId
};
if (this.ModelState.IsValid)
{
this.context.Articles.Add(article);
this.TryUpdateOrShowMessage(new NotificationMessage()
{
Text = "Article was created successfully.",
AutoHide = false,
Type = MessageType.Success
});
}
}
