ProductionLineMonitor/ProductionLineMonitor.Application/Services/OEEService/OEEService.cs

using AutoMapper;
using Core.Dtos;
using NPOI.Util;
using ProductionLineMonitor.Application.Services.OEEService.Dtos;
using ProductionLineMonitor.Core.IRepositories;
using ProductionLineMonitor.Core.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProductionLineMonitor.Application.Services.OEEService
{
    public class OEEService : IOEEService
    {
        private readonly IUnitOfWork _unitOfWork;
        public OEEService(IUnitOfWork unitOfWork)
        {
            _unitOfWork = unitOfWork;
        }

        public List<MachineOEEInfo> GetOEE(string machineId, string startDate, string endDate)
        {
            List<MachineOEEInfo> OEES = new List<MachineOEEInfo>();
            
            DateTime startTime = DateTime.Parse($"{startDate} 08:00:00");  
            DateTime endTime = DateTime.Parse($"{endDate} 08:00:00").AddDays(1);
            
            List<MachineOutPutPerHour> outputs = _unitOfWork.MachineOutPutPerHourRepository
                .GetList(
                    x =>
                    x.MachineId == machineId &&
                    x.DataTime >= startTime &&
                    x.DataTime < endTime)
                .OrderBy(
                    o => 
                    o.DataTime)
                .ToList();

            for (var i = startTime; i < endTime; i = i.AddHours(12))
            {
                DateTime tempTime = i.AddHours(12);
                MachineOEEInfo machineOEE = new MachineOEEInfo
                {
                    StartTime = i,
                    EndTime = tempTime,
                    OutPutPerHours = outputs.FindAll(x => x.DataTime >= i && x.DataTime < tempTime)
                };
                machineOEE.CalculateOEE();
                OEES.Add(machineOEE);
            }

            return OEES;
        }
    }
}