//Add New User to DB
public void UpdateUser(User user)
{
if (user != null)
{
using (ChatDbContext context = new ChatDbContext())
{
var oldUser = GetUserByName(user.UserName);
try
{
oldUser.Password = user.Password;
oldUser.FirstName = user.FirstName;
oldUser.LastName = user.LastName;
//oldUser.Messages = user.Messages;
context.Users.Add(user);
context.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
else
{
throw new Exception("The user object is null");
}
}
//Add New Message to DB
public void AddMessage(Message msg)
{
if (msg != null)
{
using (ChatDbContext context = new ChatDbContext())
{
var user = GetUserByName(msg.UserName);
try
{
var count = context.Messages.Count();
if (count > 1000)
{
DeleteAllMessage();
}
msg.MessageId = context.Messages.Count();
context.Messages.Add(msg);
context.SaveChanges();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
}
else
{
throw new Exception("The message object is null");
}
}
//Remove All Message
public void DeleteAllMessage()
{
using (ChatDbContext context = new ChatDbContext())
{
try
{
context.Messages.RemoveRange(context.Messages);
context.SaveChanges();
}
catch (Exception ex)
{
throw new Exception("En Error during registration", ex);
}
}
}
//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");
}
}
