date.swift

var date:Date?{
        didSet{
            if(date != nil && (messageLabel.text != nil) ){
                let currentDate = Date()
                let formatter = DateFormatter()
                formatter.dateStyle = .medium
                formatter.timeStyle = .none
                if(formatter.string(from: date!) != formatter.string(from: currentDate)){
                    timeLabel.text = "\(formatter.string(from: date!))"
                }
                else{
                    formatter.dateStyle = .none
                    formatter.timeStyle = .short
                    timeLabel.text = "\(formatter.string(from: date!))"
                }
            }
        }
    }