docs: String calculateDisplayTimestamp(long time){
          long now = System.currentTimeMillis()/1000;
          long diff = now-time;
          if(diff < 60){
              return "Just Now";
          }else if(diff > 60 && diff < 59*60){
              return (diff/(60)) + " mins ago";
          }else if(diff > 59*60 && diff < 23*59*60 ){
              return diff/(60*60) > 1 ? diff/(60*60) + " hours ago" : diff/(60*60) + " hour ago";
          }else if(diff > 24*60*60 && diff < 48*60*60){
              return "Yesterday";
          }else {
              @SuppressLint("SimpleDateFormat")
              SimpleDateFormat sdf = new SimpleDateFormat("dd MMM");
              return sdf.format(new Date(time));
          }
      }