SerhiiCho / timeago

import (

	"encoding/json"

	"errors"

	"log"

	"os"

	"time"

)

func parseTimestampIntoTime(timestamp int) time.Time {

	return time.Unix(int64(timestamp), 0)

}

func getTimestampOfPastDate(subDuration time.Duration) int {

	return int(time.Now().Add(-subDuration).UnixNano() / 1000000000)

}

func parseLangSet(fileName string) *LangSet {

	content := fileContent(fileName)

	var res LangSet

	err := json.Unmarshal(content, &res)

	if err != nil {

		log.Fatalln(err)

	}

	return &res

}

func fileExists(filePath string) (bool, error) {

	_, err := os.Stat(filePath)

	if err == nil {

		return true, nil

	}

	if errors.Is(err, os.ErrNotExist) {

		return false, nil

	}

	return false, err

}