laatzen/LaaProductionWeb/LaaProduction.Personalization/EquipmentsManager.cs

namespace LaaProduction.Personalization
{
    using LaaProduction.Personalization.Interfaces;
    using LaaProduction.Personalization.Models;
    using LaaProduction.Personalization.Repositories.Interfaces;

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text.RegularExpressions;

    public class EquipmentsManager : IEquipmentsManager
    {
        private readonly IEquipmentsRepository equipments;

        public EquipmentsManager(IEquipmentsRepository equipments)
        {
            this.equipments = equipments;
        }

        public Int32 Add(PruefmittelPruefung model)
        {
            model.PruefdatumSoll = model.PruefdatumIst.AddDays(model.Pruefintervall);

            return this.equipments.Add(model);
        }

        public PruefmittelPruefung FindById(Int32 pruefmittelId)
            => this.equipments.FindById(pruefmittelId) 
            ?? new PruefmittelPruefung();

        public IEnumerable<Int32> GetDaysInSchedule(PruefmittelPruefung equipment)
        {
            var matches = Regex.Matches($"{equipment?.Schedule}", "\\d+", RegexOptions.Multiline);
            var daysInSchedule = new List<Int32>();

            foreach (Match match in matches)
            {
                if (match.Success && Int32.TryParse(match.Value, out var day))
                {
                    daysInSchedule.Add(day);
                }
            }

            return daysInSchedule;
        }

        public Int32 Remove(Int32 pruefmittelId)
            => this.equipments.Remove(pruefmittelId);

        public IEnumerable<PruefmittelPruefung> SelectAll()
            => this.equipments.SelectAll();

        public IEnumerable<PruefmittelPruefung> SelectAll(Int32 softwareId)
        {
            var equipments = this.equipments
                .SelectAll(softwareId)
                .ToList();

            foreach (var equipment in equipments)
            {
                var daysInSchedule = this.GetDaysInSchedule(equipment);

                equipment.DaysLeft = equipment.PruefdatumSoll.Subtract(DateTime.Now).Days;

                if (daysInSchedule.Any())
                {
                    equipment.InSchedule = daysInSchedule.Max(x => x) >= equipment.DaysLeft;
                }
            }

            return equipments;
        }

        public void SetInspected(Int32 pruefmittelId)
        {
            var existing = this.equipments.FindById(pruefmittelId);

            if (existing is null)
            {
                return;
            }

            existing.PruefdatumIst = DateTime.Now;
            existing.PruefdatumSoll = existing.PruefdatumIst.AddDays(existing.Pruefintervall);

            this.equipments.Update(existing);
        }

        public Int32 Update(PruefmittelPruefung model)
            => this.equipments.Update(model);
    }
}