package main
  
  import (
  	"strings"
  	"time"
  	"strconv"
  )
  
  ////
  //// TIME FORMAT UTILITY
  ////
  
  func unixToDate(input int64) time.Time {
  	return time.Unix(input, 0)
  }
  
  func dateToUnix(input interface{}) int64 {
  	if input != nil {
  		t := input.(time.Time)
  		return t.Unix()
  
  	}
  	return 0
  }
  
  func aersDate(unixString string) (string, error) {
  	unixTime, err := strconv.ParseInt(unixString, 10, 64)
  	if err != nil {
  		return "", err
  	}
  
  	date := unixToDate(unixTime).String()
  	tokens := strings.Split(date, "-")
  	dateString := tokens[0] + tokens[1] + strings.Split(tokens[2], " ")[0]
  
  	return dateString, nil
  }
  
  ////
  //// STRING UTILITY
  ////
  
  // surrondWithSingleQuotes is used when url param is of type string
  func putQuotes(input string) string {
  	if input != "" {
  		return " = '" + input + "'"
  	}
  	return ""
  }
  
  func putLikeQuotes(input string) string {
  	if input != "" {
  		return " LIKE UPPER('%" + input + "%')"
  	}
  	return ""
  }