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utils.go
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/
utils.go
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package timeago
import (
"encoding/json"
"errors"
"log"
"os"
"strconv"
"time"
)
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
}
func getFileContent(filePath string) []byte {
content, err := os.ReadFile(filePath)
if err != nil {
log.Fatalln(err)
}
return content
}
func getTimestampOfPastDate(subDuration time.Duration) int {
return int(time.Now().Add(-subDuration).UnixNano() / 1000000000)
}
func parseTimestampIntoTime(timestamp int) time.Time {
return time.Unix(int64(timestamp), 0)
}
func getLastNumberDigit(num int) int {
numStr := strconv.Itoa(num)
result, _ := strconv.Atoi(numStr[len(numStr)-1:])
return result
}
func parseJsonIntoLang(fileName string) lang {
content := getFileContent(fileName)
var result lang
err := json.Unmarshal(content, &result)
if err != nil {
log.Fatalln(err)
}
return result
}