from flask import current_app
from app import db
from app.models import Notification
from sqlalchemy import desc


def dao_create_notification(notification):
    db.session.add(notification)
    db.session.commit()


def dao_update_notification(notification):
    db.session.add(notification)
    db.session.commit()


def get_notification_for_job(service_id, job_id, notification_id):
    return Notification.query.filter_by(service_id=service_id, job_id=job_id, id=notification_id).one()


def get_notifications_for_job(service_id, job_id, page=1):
    query = Notification.query.filter_by(service_id=service_id, job_id=job_id)\
        .order_by(desc(Notification.created_at))\
        .paginate(
            page=page,
            per_page=current_app.config['PAGE_SIZE']
        )
    return query


def get_notification(service_id, notification_id):
    return Notification.query.filter_by(service_id=service_id, id=notification_id).one()


def get_notifications_for_service(service_id, page=1):
    query = Notification.query.filter_by(service_id=service_id).order_by(desc(Notification.created_at)).paginate(
        page=page,
        per_page=current_app.config['PAGE_SIZE']
    )
    return query