fix: schedule affiliate rebate releases

Run an hourly rebate release task at startup so frozen affiliate rebates become transferable after expiry.

main.go

@@ -123,6 +123,8 @@ func main() {
 	// Channel monitor runner and maintenance tasks
 	service.StartChannelMonitorRunner()
 	service.StartChannelMonitorMaintenanceTask()
+	// Affiliate rebate release task
+	service.StartRebateReleaseTask()
 
 	// Wire task polling adaptor factory (breaks service -> relay import cycle)
 	service.GetTaskAdaptorFunc = func(platform constant.TaskPlatform) service.TaskPollingAdaptor {

service/rebate_release_task.go

@@ -0,0 +1,85 @@
+package service
+
+import (
+	"log"
+	"sync"
+	"time"
+)
+
+var (
+	rebateReleaseOnce    sync.Once
+	rebateReleaseStopMu  sync.Mutex
+	rebateReleaseStopCh  chan struct{}
+	rebateReleaseStopped bool
+
+	rebateReleaseRunMu  sync.Mutex
+	rebateReleaseActive bool
+)
+
+func StartRebateReleaseTask() {
+	rebateReleaseOnce.Do(func() {
+		rebateReleaseStopMu.Lock()
+		defer rebateReleaseStopMu.Unlock()
+
+		rebateReleaseStopCh = make(chan struct{})
+		rebateReleaseStopped = false
+		go runRebateReleaseLoop(rebateReleaseStopCh)
+	})
+}
+
+func StopRebateReleaseTask() {
+	rebateReleaseStopMu.Lock()
+	defer rebateReleaseStopMu.Unlock()
+
+	if rebateReleaseStopCh != nil && !rebateReleaseStopped {
+		close(rebateReleaseStopCh)
+		rebateReleaseStopped = true
+	}
+}
+
+func RunRebateReleaseOnce() error {
+	if !markRebateReleaseRunning() {
+		return nil
+	}
+	defer unmarkRebateReleaseRunning()
+
+	return ReleaseExpiredRebates()
+}
+
+func runRebateReleaseLoop(stopCh <-chan struct{}) {
+	if err := RunRebateReleaseOnce(); err != nil {
+		log.Printf("rebate release: %v", err)
+	}
+
+	ticker := time.NewTicker(time.Hour)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			if err := RunRebateReleaseOnce(); err != nil {
+				log.Printf("rebate release: %v", err)
+			}
+		case <-stopCh:
+			return
+		}
+	}
+}
+
+func markRebateReleaseRunning() bool {
+	rebateReleaseRunMu.Lock()
+	defer rebateReleaseRunMu.Unlock()
+
+	if rebateReleaseActive {
+		return false
+	}
+	rebateReleaseActive = true
+	return true
+}
+
+func unmarkRebateReleaseRunning() {
+	rebateReleaseRunMu.Lock()
+	defer rebateReleaseRunMu.Unlock()
+
+	rebateReleaseActive = false
+}

service/rebate_test.go

@@ -234,3 +234,30 @@ func TestReleaseExpiredRebatesMarksOnlyDueFrozenRecords(t *testing.T) {
 	require.Equal(t, 50, reloadedInviter.AffQuota)
 	require.Equal(t, 50, reloadedInviter.AffHistoryQuota)
 }
+
+func TestRunRebateReleaseOnceReleasesDueFrozenRecords(t *testing.T) {
+	db := setupRebateTestDB(t)
+	inviter, invitee := createRebateUsers(t, db)
+	past := time.Now().Add(-time.Hour)
+	require.NoError(t, db.Create(&model.RebateRecord{
+		InviterId:    inviter.Id,
+		InviteeId:    invitee.Id,
+		OrderId:      1007,
+		OrderType:    "topup",
+		OrderAmount:  500,
+		RebateAmount: 50,
+		RatePercent:  10,
+		Status:       "frozen",
+		FrozenUntil:  &past,
+	}).Error)
+
+	require.NoError(t, RunRebateReleaseOnce())
+
+	var record model.RebateRecord
+	require.NoError(t, db.Where("order_id = ?", 1007).First(&record).Error)
+	require.Equal(t, "released", record.Status)
+	require.NotNil(t, record.ReleasedAt)
+
+	reloadedInviter := loadRebateUser(t, db, inviter.Id)
+	require.Equal(t, 50, reloadedInviter.AffQuota)
+}