Absolute time to relative time(e.g. 2 days ago)

datediff.mm

QString dateDiff(const QString&origDate) {
     



     NSDateFormatter* df = [$CE dateFormatter]; 
    

     NSDate *convertedDate = [df dateFromString:origDate.toNSString()]; 

    
     NSDate *todayDate = [NSDate date]; 
    
     double ti = [convertedDate timeIntervalSinceDate:todayDate]; 
    
     ti = ti * -1; 
    

     if (ti < 1) {
          

        return origDate;     

     } 
     else if (ti < 60) {

        
          return "less than a Minute ago";
          

     }
     else if (ti < 3600) {


        int diff = (int) round(ti / 60);

        return QString("%1 Minutes ago").arg(diff);
          

     }
    
     else if (ti < 86400) {


        int diff = (int) round(ti / 60 / 60);

        return QString("%1 Hours ago").arg(diff);
          

     }
    
     else if (ti < 2629743) {


        int diff = (int) round(ti / 60 / 60 / 24);

        return QString("%1 Days ago").arg(diff);
          

     }
    
     else {

        return origDate;     

     }
}