This repository has been archived on 2025-08-09. You can view files and clone it. You cannot open issues or pull requests or push a commit.
Files
web-app-template/service/random_generator.go
Tim Wundenberg bc24d5a705
Some checks failed
Build Docker Image / Explore-Gitea-Actions (push) Has been cancelled
fix: create RandomGenerator interface and struct for testing purpose #181
2024-10-05 13:51:36 +02:00

49 lines
910 B
Go

package service
import (
"me-fit/types"
"crypto/rand"
"encoding/base64"
"log/slog"
"github.com/google/uuid"
)
type RandomGenerator interface {
Bytes(size int) ([]byte, error)
String(size int) (string, error)
UUID() (uuid.UUID, error)
}
type RandomGeneratorImpl struct {
}
func NewRandomGeneratorImpl() *RandomGeneratorImpl {
return &RandomGeneratorImpl{}
}
func (r *RandomGeneratorImpl) Bytes(size int) ([]byte, error) {
b := make([]byte, 32)
_, err := rand.Read(b)
if err != nil {
slog.Error("Error generating random bytes: " + err.Error())
return []byte{}, types.ErrInternal
}
return b, nil
}
func (r *RandomGeneratorImpl) String(size int) (string, error) {
bytes, err := r.Bytes(size)
if err != nil {
return "", types.ErrInternal
}
return base64.StdEncoding.EncodeToString(bytes), nil
}
func (r *RandomGeneratorImpl) UUID() (uuid.UUID, error) {
return uuid.NewRandom()
}