//Delete User
public void DeleteUser(string userName, string password)
{
if (!string.IsNullOrEmpty(userName) && !string.IsNullOrEmpty(password))
{
User user = GetUser(userName, password);
if (user != null)
{
using (ChatDbContext context = new ChatDbContext())
{
try
{
context.Users.Remove(user);
context.SaveChanges();
}
catch (Exception ex)
{
throw new Exception("En Error during removing the user", ex.InnerException);
}
}
}
}
}
//Add New User to DB
public void AddUser(User user)
{
if (user != null)
{
using (ChatDbContext context = new ChatDbContext())
{
try
{
user.UserId = context.Users.Count();
context.Users.Add(user);
context.SaveChanges();
}
catch (Exception ex)
{
throw new Exception("En Error during registration", ex);
}
}
}
else
{
throw new Exception("The user object is null");
}
}
//Get All Message from selected user
public ICollection <Message> GetMessagePerUser(User user)
{
if (user != null)
{
List <Message> messages = new List <Message>();
using (ChatDbContext context = new ChatDbContext())
{
try
{
messages = context.Messages.Where(m => m.UserName == user.UserName).ToList();
return(messages);
}
catch (Exception ex)
{
throw new Exception("En Error during registration", ex);
}
}
}
else
{
throw new Exception("The user object is null");
}
}