answer/pkg/gravatar/gravatar.go

33 lines
747 B
Go

package gravatar
import (
"crypto/md5"
"encoding/hex"
"fmt"
"net/url"
"github.com/answerdev/answer/internal/base/constant"
)
// GetAvatarURL get avatar url from gravatar by email
func GetAvatarURL(email string) string {
h := md5.New()
h.Write([]byte(email))
return constant.DefaultGravatarBaseURL + hex.EncodeToString(h.Sum(nil))
}
// Resize resize avatar by pixel
func Resize(originalAvatarURL string, sizePixel int) (resizedAvatarURL string) {
if len(originalAvatarURL) == 0 {
return
}
originalURL, err := url.Parse(originalAvatarURL)
if err != nil {
return originalAvatarURL
}
query := originalURL.Query()
query.Set("s", fmt.Sprintf("%d", sizePixel))
originalURL.RawQuery = query.Encode()
return originalURL.String()
}