Files
res-downloader/core/utils.go
2025-05-06 18:06:42 +08:00

106 lines
2.0 KiB
Go

package core
import (
"crypto/md5"
"encoding/hex"
"fmt"
"github.com/wailsapp/wails/v2/pkg/runtime"
"net/url"
"os"
"strings"
"time"
)
func Empty(data interface{}) {
}
func DialogErr(message string) {
_, _ = runtime.MessageDialog(appOnce.ctx, runtime.MessageDialogOptions{
Type: runtime.ErrorDialog,
Title: "Error",
Message: message,
DefaultButton: "Cancel",
})
}
func IsDevelopment() bool {
return os.Getenv("APP_ENV") == "development"
}
func FileExist(file string) bool {
_, err := os.Stat(file)
if err != nil {
return false
}
if os.IsNotExist(err) {
return false
}
return true
}
func CreateDirIfNotExist(dir string) error {
if _, err := os.Stat(dir); os.IsNotExist(err) {
return os.MkdirAll(dir, 0750)
}
return nil
}
func TypeSuffix(mime string) (string, string) {
mimeMux.RLock()
defer mimeMux.RUnlock()
mime = strings.ToLower(strings.Split(mime, ";")[0])
if v, ok := globalConfig.MimeMap[mime]; ok {
return v.Type, v.Suffix
}
return "", ""
}
func BuildReferer(rawURL string) string {
u, err := url.Parse(rawURL)
if err != nil {
return ""
}
return u.Scheme + "://" + u.Host + "/"
}
func Md5(data string) string {
hashNew := md5.New()
hashNew.Write([]byte(data))
hash := hashNew.Sum(nil)
return hex.EncodeToString(hash)
}
func FormatSize(size float64) string {
if size > 1048576 {
return fmt.Sprintf("%.2fMB", float64(size)/1048576)
}
if size > 1024 {
return fmt.Sprintf("%.2fKB", float64(size)/1024)
}
return fmt.Sprintf("%.0fb", size)
}
func GetTopLevelDomain(rawURL string) string {
parsedURL, err := url.Parse(rawURL)
if err != nil {
return ""
}
host := parsedURL.Hostname()
parts := strings.Split(host, ".")
if len(parts) < 2 {
return ""
}
return strings.Join(parts[len(parts)-2:], ".")
}
func GetCurrentDateTimeFormatted() string {
now := time.Now()
return fmt.Sprintf("%04d%02d%02d%02d%02d%02d",
now.Year(),
now.Month(),
now.Day(),
now.Hour(),
now.Minute(),
now.Second())
}