[type:feat] add id utils (#93)

Author: moremind

core/idutil.go

@@ -0,0 +1,74 @@
+package core
+
+import (
+	uuid "github.com/satori/go.uuid"
+	"gopkg.in/mgo.v2/bson"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// UnixMillisId generate timestamp id with millisecond.
+//  @return string
+func UnixMillisId() string {
+	return strconv.FormatInt(time.Now().UnixNano()/1e6, 10)
+}
+
+// UnixNanoTimeId generate timestamp id with unixNano.
+//  @return string
+func UnixNanoTimeId() string {
+	return strconv.FormatInt(time.Now().UnixNano(), 10)
+}
+
+// UUIDV1 Version 1, based on timestamp and MAC address (RFC 4122).
+//  @return string
+func UUIDV1() string {
+	return uuid.NewV1().String()
+}
+
+// UUIDV2 Version 2, based on timestamp, MAC address and POSIX UID/GID (DCE 1.1).
+//  @param domain domain
+//  @return string uuid string
+func UUIDV2(domain byte) string {
+	return uuid.NewV2(domain).String()
+}
+
+// UUIDV3 Version 3, based on MD5 hashing (RFC 4122).
+//  @param ns   uuid namespace
+//  @param name domain name
+//  @return string uuid string
+func UUIDV3(ns uuid.UUID, name string) string {
+	return uuid.NewV3(ns, name).String()
+}
+
+// UUIDV5 Version 5, based on SHA-1 hashing (RFC 4122).
+//  @param ns   uuid namespace
+//  @param name domain name
+//  @return string uuid string
+func UUIDV5(ns uuid.UUID, name string) string {
+	return uuid.NewV5(ns, name).String()
+}
+
+// RandomUUID Version 4, based on random numbers (RFC 4122).
+//  @return string uuid string
+func RandomUUID() string {
+	return uuid.NewV4().String()
+}
+
+// SimpleRandomUUID simple RandomUUI base RandomUUID.
+//  @return string return uuid without horizontal line
+func SimpleRandomUUID() string {
+	return strings.ReplaceAll(RandomUUID(), "-", "")
+}
+
+// ObjectId generate mongodb ObjectId, currently, just use mgo.v2 lib, can write self.
+//  @return string object id
+func ObjectId() string {
+	return bson.NewObjectId().Hex()
+}
+
+// ObjectIdWithNow generate ObjectId with now, currently, just use mgo.v2 lib, can write self.
+//  @return string object id
+func ObjectIdWithNow() string {
+	return bson.NewObjectIdWithTime(time.Now()).Hex()
+}

core/idutil_test.go

@@ -0,0 +1,20 @@
+package core
+
+import (
+	"github.com/acmestack/godkits/log"
+	uuid "github.com/satori/go.uuid"
+	"testing"
+)
+
+func TestGenUUIDRandom(t *testing.T) {
+	log.Info(UnixMillisId())
+	log.Info(UnixNanoTimeId())
+	log.Info(UUIDV1())
+	log.Info(UUIDV2('A'))
+	log.Info(UUIDV3(uuid.NamespaceOID, "test"))
+	log.Info(UUIDV5(uuid.NamespaceOID, "test"))
+	log.Info(RandomUUID())
+	log.Info(SimpleRandomUUID())
+	log.Info(ObjectId())
+	log.Info(ObjectIdWithNow())
+}

go.mod

@@ -1,3 +1,8 @@
 module github.com/acmestack/godkits
 
 go 1.16
+
+require (
+	github.com/satori/go.uuid v1.2.0 // indirect
+	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
+github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
+gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw=
+gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=