package utils import ( "crypto/sha256" ) const base62 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" func GenerateUrlHash(url string) string { hash := sha256.Sum256([]byte(url)) return EncodeToBase62(string(hash[:])) } func EncodeToBase62(url string) string { hash := sha256.Sum256([]byte(url)) encoded := "" for _, b := range hash[:] { encoded += string(base62[int(b)%62]) } if len(encoded) > 7 { return encoded[:7] } return encoded }