Add pending flag to scheduled_notifications.

Set pending flag to false when the notification has been sent to provider task.

app/celery/scheduled_tasks.py

@@ -15,8 +15,8 @@ from app.dao.notifications_dao import (
     delete_notifications_created_more_than_a_week_ago,
     dao_timeout_notifications,
     is_delivery_slow_for_provider,
-    dao_get_scheduled_notifications
-)
+    dao_get_scheduled_notifications,
+    set_scheduled_notification_to_processed)
 from app.dao.statistics_dao import dao_timeout_job_statistics
 from app.dao.provider_details_dao import (
     get_current_provider,
@@ -56,6 +56,7 @@ def send_scheduled_notifications():
         scheduled_notifications = dao_get_scheduled_notifications()
         for notification in scheduled_notifications:
             send_notification_to_queue(notification, notification.service.research_mode)
+            set_scheduled_notification_to_processed(notification.id)
         current_app.logger.info(
             "Sent {} scheudled notifications to the provider queue".format(len(scheduled_notifications)))
     except SQLAlchemyError as e:

app/dao/notifications_dao.py

@@ -477,6 +477,14 @@ def dao_get_scheduled_notifications():
         ScheduledNotification
     ).filter(
         ScheduledNotification.scheduled_for < datetime.utcnow(),
-        Notification.status == NOTIFICATION_CREATED).all()
+        ScheduledNotification.pending).all()
 
     return notifications
+
+
+def set_scheduled_notification_to_processed(notification_id):
+    ScheduledNotification.query.filter(
+        ScheduledNotification.notification_id == notification_id
+    ).update(
+        {'pending': False}
+    )

app/models.py

@@ -958,6 +958,7 @@ class ScheduledNotification(db.Model):
     notification_id = db.Column(UUID(as_uuid=True), db.ForeignKey('notifications.id'), index=True, nullable=False)
     notification = db.relationship('Notification', uselist=False)
     scheduled_for = db.Column(db.DateTime, index=False, nullable=False)
+    pending = db.Column(db.Boolean, nullable=False, default=True)
 
 
 class InvitedUser(db.Model):