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package helpers
import (
"fmt"
"net"
"net/http"
"strings"
"path/filepath"
"math/rand"
"time"
"strconv"
"os"
"io"
)
var r = rand.New(rand.NewSource(time.Now().UnixNano()))
func Ask(str string) bool {
var input string
fmt.Printf("-> %s (Y/n): ", str)
fmt.Scanln(&input)
input = strings.TrimSpace(input)
input = strings.ToLower(input)
if input != "y" && input != "" && input != "yes" {
return false
}
return true
}
func HTTPClient() *http.Client {
transport := &http.Transport{
DialContext: (&net.Dialer{
Timeout: 10 * time.Second,
}).DialContext,
TLSHandshakeTimeout: 10 * time.Second,
}
return &http.Client{
Transport: transport,
}
}
func ToString(v interface{}) string {
switch val := v.(type) {
case int:
return strconv.Itoa(val)
case float64:
return strconv.FormatFloat(val, 'f', -1, 64)
case string:
return val
default:
return ""
}
}
func RandStr(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = byte(r.Intn(26) + 'a')
}
return string(b)
}
func CopyDir(src, dst string) error {
return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
rel, err := filepath.Rel(src, path)
if err != nil {
return err
}
target := filepath.Join(dst, rel)
mode := info.Mode()
switch {
case mode&os.ModeSymlink != 0:
link, err := os.Readlink(path)
if err != nil {
return err
}
if err := os.RemoveAll(target); err != nil {
return err
}
return os.Symlink(link, target)
case info.IsDir():
return os.MkdirAll(target, 0755)
default:
return CopyFile(path, target)
}
})
}
func CopyFile(src, dst string) error {
in, err := os.Open(src)
if err != nil {
return err
}
defer in.Close()
out, err := os.Create(dst)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, in)
if err != nil {
return err
}
si, err := os.Stat(src)
if err != nil {
return err
}
return os.Chmod(dst, si.Mode())
}
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