added go routine to cleaup expired access requests

controller/maintenance.go

@@ -0,0 +1,61 @@
+package controller
+
+import (
+	"context"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+type maintenanceAgent struct {
+	ctx        context.Context
+	frequency  time.Duration
+	expiration time.Duration
+}
+
+func newMaintenanceAgent(ctx context.Context, frequency, expiration time.Duration) *maintenanceAgent {
+	return &maintenanceAgent{
+		ctx:        ctx,
+		frequency:  frequency,
+		expiration: expiration,
+	}
+}
+
+func (ma *maintenanceAgent) run() {
+	ticker := time.NewTicker(ma.frequency)
+	for {
+		select {
+		case <-ma.ctx.Done():
+			{
+				ticker.Stop()
+				return
+			}
+		case <-ticker.C:
+			{
+				logrus.Info("TICK")
+				if err := ma.deleteExpiredAccountRequests(); err != nil {
+					logrus.Error(err)
+				}
+			}
+		}
+	}
+}
+
+func (ma *maintenanceAgent) deleteExpiredAccountRequests() error {
+	tx, err := str.Begin()
+	if err != nil {
+		return err
+	}
+	defer func() { _ = tx.Rollback() }()
+
+	if err := str.DeleteExpiredAccountRequests(time.Now().UTC().Add(-ma.expiration), tx); err != nil {
+		return errors.Wrapf(err, "error deleting expired account requests")
+	}
+
+	if err := tx.Commit(); err != nil {
+		return errors.Wrapf(err, "error committing expired acount requests deletion")
+	}
+
+	return nil
+}