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package utils
import (
"bytes"
"crypto/md5"
"encoding/hex"
"fmt"
"io"
"math"
"math/rand"
"net/http"
"path/filepath"
"runtime"
"strconv"
"time"
"github.com/zijiren233/go-colorlog"
translater "github.com/zijiren233/google-translater"
)
func Translate(text string) string {
translated, err := translater.Translate(
text,
"en",
translater.TranslationParams{
From: "auto",
},
)
if err != nil {
translated, err = translater.TranslateWithClienID(text, "en", translater.TranslationWithClienIDParams{
From: "auto",
})
if err != nil {
colorlog.Errorf("Translate err: %v", err)
return text
}
}
return translated.Text
}
func Round(f float64, n int) float64 {
pow10_n := math.Pow10(n)
return math.Trunc((f+0.5/pow10_n)*pow10_n) / pow10_n
}
func GetFileName(filename string) string {
return filepath.Base(filename)
}
func GetFileNamePrefix(filename string) string {
file := GetFileName(filename)
return file[:len(file)-len(GetFileNameExt(filename))]
}
func GetFileNameExt(filename string) string {
return filepath.Ext(filename)
}
func InString(target string, str_array []string) (int, bool) {
return In(str_array, func(v string) bool {
return v == target
})
}
func In[T comparable](slice []T, fun func(v T) bool) (int, bool) {
for k, v := range slice {
if fun(v) {
return k, true
}
}
return -1, false
}
func DeleteSlice[T comparable](a []T, k T) []T {
for i, val := range a {
if val == k {
return append(a[:i], a[i+1:]...)
}
}
return a
}
func TimeFomate(t time.Duration) string {
return fmt.Sprintf("%dh %dm %ds", int(t.Hours())%24, int(t.Minutes())%60, int(t.Seconds())%60)
}
func PrintStackTrace(err interface{}) string {
buf := new(bytes.Buffer)
fmt.Fprintf(buf, "%v\n", err)
for i := 1; ; i++ {
pc, file, line, ok := runtime.Caller(i)
if !ok {
break
}
fmt.Fprintf(buf, "%s:%d (0x%x)\n", file, line, pc)
}
return buf.String()
}
func GetFile(url string) ([]byte, error) {
r, err := http.Get(url)
if err != nil {
return nil, err
}
defer r.Body.Close()
b, err := io.ReadAll(r.Body)
if err != nil {
return nil, err
}
return b, nil
}
func Md5(data []byte) string {
has := md5.Sum(data)
return hex.EncodeToString(has[:])
}
func TwoDot(value float64) float64 {
value, _ = strconv.ParseFloat(fmt.Sprintf("%.2f", value), 64)
return value
}
func Retry(frequency uint, enableRecover bool, Delay time.Duration, fun func() (bool, error)) error {
if enableRecover {
defer func() {
if i := recover(); i != nil {
colorlog.Fatal(i)
}
}()
}
var (
err error
try bool
)
for {
if frequency == 0 {
return err
}
if try, err = fun(); try {
frequency--
time.Sleep(Delay)
continue
} else {
return err
}
}
}
var defaultLetters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
var lenDefaultLetters = len(defaultLetters)
// RandomString returns a random string with a fixed length
func RandomString(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = defaultLetters[rand.Intn(lenDefaultLetters)]
}
return string(b)
}
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