add base queue system

controllers/queuesample.go

@@ -0,0 +1,52 @@
+// Copyright (c) 2025 Zeni Kim <zenik@smarteching.com>
+// Use of this source code is governed by MIT-style
+// license that can be found in the LICENSE file.
+
+package controllers
+
+import (
+	"encoding/json"
+	"log"
+	"time"
+
+	"git.smarteching.com/goffee/core"
+	"git.smarteching.com/goffee/cup/workers"
+	"github.com/hibiken/asynq"
+)
+
+// Make samples queues
+func Queuesample(c *core.Context) *core.Response {
+
+	// Get client queue asynq
+	client := c.GetQueueClient()
+
+	// Create a task with typename and payload.
+	payload, err := json.Marshal(workers.EmailTaskPayload{UserID: 42})
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	t1 := asynq.NewTask(workers.TypeWelcomeEmail, payload)
+
+	t2 := asynq.NewTask(workers.TypeReminderEmail, payload)
+
+	// Process the task immediately.
+	info, err := client.Enqueue(t1)
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Printf(" [*] Successfully enqueued task: %+v", info)
+
+	// Process 2 task 1 min later.
+	for i := 1; i < 3; i++ {
+		info, err = client.Enqueue(t2, asynq.ProcessIn(1*time.Minute))
+		if err != nil {
+			log.Fatal(err)
+		}
+		log.Printf(" [*] Successfully enqueued task: %+v", info)
+	}
+
+	message := "{\"message\": \"Task queued\"}"
+	return c.Response.Json(message)
+
+}