public void Send(string token, string message)
{
try
{
using (BlogAngularEntities db = new BlogAngularEntities())
{
var oldToken = db.Token.Find(token);
if (oldToken != null)
{
var user = db.User.Find(oldToken.userId);
oldToken.expires = DateTime.Now.AddMinutes(35);
Util.RemoveTokens(db);
storeMessage(db, user, message);
// Call the broadcastMessage method to update clients.
Clients.All.broadcastMessage(new ChatMessage()
{
Username = user.username,
Message = message,
Hour = DateTime.Now.ToString("h:mm:ss"),
Avatar = user.avatar,
});
db.SaveChanges();
}
else
{
}
}
}
catch (Exception e)
{
}
}
public static void storeOldChat(BlogAngularEntities db, DateTime now)
{
var yesterdayChats = db.ChatMessage.ToList().Where(c => c.Created.Year < now.Year ||
c.Created.DayOfYear < now.DayOfYear)
.OrderBy(c => c.Created).ToList();
if (yesterdayChats.Count > 0)
{
yesterdayChats.ForEach(c => db.ChatMessage.Remove(c));
string root = HttpContext.Current.Server.MapPath("~/App_Data");
using (System.IO.StreamWriter file = new System.IO.StreamWriter(root + "/" + now.AddDays(-1).ToString("yyyy_MM_dd") + ".txt"))
{
foreach (var item in yesterdayChats)
{
var itemUser = db.User.Find(item.UserId);
file.WriteLine(JsonConvert.SerializeObject(new ChatMessage
{
Message = item.Message,
Username = itemUser.username,
Avatar = itemUser.avatar,
Hour = item.Created.ToString("h:mm:ss")
}));
}
}
}
}
private void storeMessage(BlogAngularEntities db, User user, string message)
{
var now = DateTime.Now;
var chat = new Models.ChatMessage()
{
uid = Guid.NewGuid(),
Created = now,
User = user,
UserId = user.id,
Message = message.Length <= 150 ? message : message.Substring(0, 150)
};
db.ChatMessage.Add(chat);
db.Entry(user).State = EntityState.Unchanged;
db.Entry(chat).State = EntityState.Added;
storeOldChat(db, now);
}
public void enterChat(string token)
{
try
{
using (BlogAngularEntities db = new BlogAngularEntities())
{
var oldToken = db.Token.Find(token);
if (oldToken != null)
{
var user = db.User.Find(oldToken.userId);
oldToken.expires = DateTime.Now.AddMinutes(35);
Util.RemoveTokens(db);
Clients.Others.userEnter(new EnteredMessage()
{
Username = user.username,
Avatar = user.avatar
});
users.ForEach(u => Clients.Caller.userEnter(new EnteredMessage()
{
Username = u.user.username,
Avatar = u.user.avatar
}));
users.Add(new ChatUser()
{
user = user,
token = oldToken,
Id = Context.ConnectionId
});
}
else
{
}
}
}
catch (Exception e)
{
}
}
public static void RemoveTokens(BlogAngularEntities db)
{
db.Token.Where(t => t.expires < DateTime.Now).ToList().ForEach(t => db.Token.Remove(t));
}
