public static void ProcessUserEntry(NewsContext secondUserContext, NewsContext firstUserContext = null)
{
try
{
if (firstUserContext != null)
{
Console.WriteLine("{0}\nUser 1:\nApplication started.", Separator);
var firstUserNews = firstUserContext.News.FirstOrDefault();
ChangeContent(firstUserNews, firstUserContext);
Console.WriteLine("{0}\nUser 2:\nApplication started.", Separator);
var secondUserNews = secondUserContext.News.FirstOrDefault();
ChangeContent(secondUserNews, secondUserContext);
Console.WriteLine(Separator);
firstUserContext.SaveChanges();
Console.WriteLine("User 1 changes successfully saved in the DB.");
secondUserContext.SaveChanges();
}
else
{
var secondUserNews = secondUserContext.News.FirstOrDefault();
ChangeContent(secondUserNews, secondUserContext);
secondUserContext.SaveChanges();
Console.WriteLine("User 2 changes successfully saved in the DB.");
}
}
catch (Exception)
{
Console.WriteLine("User 2: Db Conflict!\n{0}", Separator);
Console.WriteLine("User 2:");
ProcessUserEntry(new NewsContext());
}
}
public static void Main()
{
var firstUserContext = new NewsContext();
var secondUserContext = new NewsContext();
ProcessUserEntry(secondUserContext, firstUserContext);
}
public static void ChangeContent(News news, NewsContext context)
{
Console.WriteLine("Text from DB: {0}", news.Content);
Console.Write("Enter the corrected text: ");
news.Content = Console.ReadLine();
}
