add: cron job (#2)

go.mod

@@ -20,6 +20,7 @@ require (
 	github.com/onsi/ginkgo v1.16.4 // indirect
 	github.com/onsi/gomega v1.13.0 // indirect
 	github.com/opentracing/opentracing-go v1.2.0
+	github.com/robfig/cron/v3 v3.0.0
 	github.com/smacker/opentracing-gorm v0.0.0-20181207094635-cd4974441042 // indirect
 	github.com/soheilhy/cmux v0.1.5
 	github.com/spf13/viper v1.7.1

initialize/cron.go

@@ -0,0 +1,22 @@
+/*
+ * @Date: 2021-07-08 13:54:38
+ * @LastEditors: viletyy
+ * @LastEditTime: 2021-07-08 14:01:18
+ * @FilePath: /potato/initialize/cron.go
+ */
+package initialize
+
+import (
+	"github.com/robfig/cron/v3"
+	"github.com/viletyy/potato/internal/job"
+)
+
+func Cron() {
+	c := cron.New()
+
+	c.AddJob("* * * * *", job.TestJob{})
+
+	c.Start()
+
+	select {}
+}

internal/job/test_job.go

@@ -0,0 +1,15 @@
+/*
+ * @Date: 2021-07-08 14:01:46
+ * @LastEditors: viletyy
+ * @LastEditTime: 2021-07-08 14:02:36
+ * @FilePath: /potato/internal/job/test_job.go
+ */
+package job
+
+import "fmt"
+
+type TestJob struct{}
+
+func (t TestJob) Run() {
+	fmt.Println("i'm test job")
+}

main.go

@@ -1,7 +1,7 @@
 /*
  * @Date: 2021-03-21 19:54:57
  * @LastEditors: viletyy
- * @LastEditTime: 2021-06-20 19:45:38
+ * @LastEditTime: 2021-07-08 13:59:06
  * @FilePath: /potato/main.go
  */
 package main
@@ -33,6 +33,7 @@ func main() {
 	global.GO_DB = initialize.Gorm()
 	global.GO_REDIS = initialize.Redis()
 	global.GO_TRACER = initialize.Tracer()
+	initialize.Cron()
 
 	defer global.GO_DB.Close()
 	defer global.GO_REDIS.Close()