init project

internal/utils/generator/string-generator.go

@@ -0,0 +1,36 @@
+package generator
+
+import (
+	"fmt"
+	"math/rand"
+	"strconv"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+func MedicalRecordNumberRand() string {
+	return RandStringRunes(10)
+}
+
+func RandStringRunes(n int) string {
+	rand.Seed(time.Now().UnixNano()) // seed the random number generator
+
+	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+
+	return string(b)
+}
+
+// format -> <uuid>-<time unix>
+func GenerateFileName() string {
+	return fmt.Sprintf("%v-%v", GenerateUUID(), strconv.Itoa(int(time.Now().Unix())))
+}
+
+func GenerateUUID() string {
+	id := uuid.New()
+	return id.String()
+}