from flask import request, jsonify
from flask_login import current_user
from sqlalchemy.sql import func
from datetime import date, timedelta
from app.reports import reports
from app import db
from datetime import datetime

from app.classes.auth import Auth_User
from app.classes.customer import Customer_Customer

from app.classes.employee import Employee_Employee
from app.classes.delivery import Delivery_Delivery


@reports.route("/oil/total", methods=["GET"])
def oil_total_gallons():
    total_oil = db.session\
    .query(func.sum(Delivery_Delivery.gallons_delivered))\
    .group_by(Delivery_Delivery.id)\
    .all()
    
    return jsonify({"ok": True }), 200