first commit

server/internal/nanoid/nanoid.go

@@ -0,0 +1,71 @@
+package nanoid
+
+import (
+	"math/rand"
+	"time"
+
+	gonanoid "github.com/matoous/go-nanoid"
+)
+
+var nano *NanoID
+
+func init() {
+	nano = &NanoID{
+		alphabet: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
+		size:     16,
+	}
+}
+
+func New(alphabet string, size int) *NanoID {
+	return &NanoID{
+		alphabet: alphabet,
+		size:     size,
+	}
+}
+
+type NanoID struct {
+	alphabet string
+	size     int
+}
+
+func (n *NanoID) NewID() (string, error) {
+	return gonanoid.Generate(n.alphabet, n.size)
+}
+
+func (n *NanoID) NewIDSize(size int) (string, error) {
+	return gonanoid.Generate(n.alphabet, size)
+}
+
+func (n *NanoID) NewIDRang(max int, min int) (string, error) {
+	rand.Seed(time.Now().Unix())
+	return gonanoid.Generate(n.alphabet, rand.Intn(max-min)+min)
+}
+
+func (n *NanoID) GenerateID(alphabet string, size int) (string, error) {
+	return gonanoid.Generate(alphabet, size)
+}
+
+func (n *NanoID) GenerateIDRange(alphabet string, max int, min int) (string, error) {
+	rand.Seed(time.Now().Unix())
+	return gonanoid.Generate(alphabet, rand.Intn(max-min)+min)
+}
+
+func NewID() (string, error) {
+	return nano.NewID()
+}
+
+func NewIDSize(size int) (string, error) {
+	return nano.NewIDSize(size)
+}
+
+func NewIDRang(max int, min int) (string, error) {
+	return nano.NewIDRang(max, min)
+}
+
+func GenerateID(alphabet string, size int) (string, error) {
+	return nano.GenerateID(alphabet, size)
+}
+
+func GenerateIDRange(alphabet string, max int, min int) (string, error) {
+	return nano.GenerateIDRange(alphabet, max, min)
+}