1 files changed, 89 insertions, 0 deletions
diff --git a/internal/notifier/scheduler.go b/internal/notifier/scheduler.go
new file mode 100644
index 0000000..69470d2
--- /dev/null
+++ b/internal/notifier/scheduler.go
@@ -0,0 +1,89 @@
+package notifier
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"donetick.com/core/config"
+	chRepo "donetick.com/core/internal/chore/repo"
+	nRepo "donetick.com/core/internal/notifier/repo"
+	notifier "donetick.com/core/internal/notifier/telegram"
+	uRepo "donetick.com/core/internal/user/repo"
+	"donetick.com/core/logging"
+)
+
+type keyType string
+
+const (
+	SchedulerKey keyType = "scheduler"
+)
+
+type Scheduler struct {
+	choreRepo        *chRepo.ChoreRepository
+	userRepo         *uRepo.UserRepository
+	stopChan         chan bool
+	notifier         *notifier.TelegramNotifier
+	notificationRepo *nRepo.NotificationRepository
+	SchedulerJobs    config.SchedulerConfig
+}
+
+func NewScheduler(cfg *config.Config, ur *uRepo.UserRepository, cr *chRepo.ChoreRepository, n *notifier.TelegramNotifier, nr *nRepo.NotificationRepository) *Scheduler {
+	return &Scheduler{
+		choreRepo:        cr,
+		userRepo:         ur,
+		stopChan:         make(chan bool),
+		notifier:         n,
+		notificationRepo: nr,
+		SchedulerJobs:    cfg.SchedulerJobs,
+	}
+}
+
+func (s *Scheduler) Start(c context.Context) {
+	log := logging.FromContext(c)
+	log.Debug("Scheduler started")
+	go s.runScheduler(c, " NOTIFICATION_SCHEDULER ", s.loadAndSendNotificationJob, 3*time.Minute)
+}
+
+func (s *Scheduler) loadAndSendNotificationJob(c context.Context) (time.Duration, error) {
+	log := logging.FromContext(c)
+	startTime := time.Now()
+	getAllPendingNotifications, err := s.notificationRepo.GetPendingNotificaiton(c, time.Minute*15)
+	log.Debug("Getting pending notifications", " count ", len(getAllPendingNotifications))
+
+	if err != nil {
+		log.Error("Error getting pending notifications")
+		return time.Since(startTime), err
+	}
+
+	for _, notification := range getAllPendingNotifications {
+		s.notifier.SendNotification(c, notification)
+		notification.IsSent = true
+	}
+
+	s.notificationRepo.MarkNotificationsAsSent(getAllPendingNotifications)
+	return time.Since(startTime), nil
+}
+func (s *Scheduler) runScheduler(c context.Context, jobName string, job func(c context.Context) (time.Duration, error), interval time.Duration) {
+
+	for {
+		logging.FromContext(c).Debug("Scheduler running ", jobName, " time", time.Now().String())
+
+		select {
+		case <-s.stopChan:
+			log.Println("Scheduler stopped")
+			return
+		default:
+			elapsedTime, err := job(c)
+			if err != nil {
+				logging.FromContext(c).Error("Error running scheduler job", err)
+			}
+			logging.FromContext(c).Debug("Scheduler job completed", jobName, " time", elapsedTime.String())
+		}
+		time.Sleep(interval)
+	}
+}
+
+func (s *Scheduler) Stop() {
+	s.stopChan <- true
+}