using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using ConfectioneryContracts.BindingModels; using ConfectioneryContracts.SearchModels; using ConfectioneryContracts.StoragesContracts; using ConfectioneryContracts.ViewModels; using ConfectioneryFileImplement.Models; namespace ConfectioneryFileImplement.Implements { public class OrderStorage : IOrderStorage { private readonly DataFileSingleton source; public OrderStorage() { source = DataFileSingleton.GetInstance(); } public List GetFullList() { return source.Orders .Select(x => AddPastryName(x.GetViewModel)) .ToList(); } public List GetFilteredList(OrderSearchModel model) { if (!model.Id.HasValue && !model.DateFrom.HasValue) { return new(); } if (model.DateFrom.HasValue) { return source.Orders .Where(x => x.DateCreate >= model.DateFrom && x.DateCreate <= model.DateTo) .Select(x => AddPastryName(x.GetViewModel)) .ToList(); } return source.Orders .Where(x => x.Id == model.Id) .Select(x => AddPastryName(x.GetViewModel)) .ToList(); } public OrderViewModel? GetElement(OrderSearchModel model) { if (!model.Id.HasValue) { return null; } var order = source.Orders.FirstOrDefault(x => x.Id == model.Id); if (order == null) { return null; } return AddPastryName(order.GetViewModel); } public OrderViewModel? Insert(OrderBindingModel model) { model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1; var newOrder = Order.Create(model); if (newOrder == null) { return null; } source.Orders.Add(newOrder); source.SaveOrders(); return AddPastryName(newOrder.GetViewModel); } public OrderViewModel? Update(OrderBindingModel model) { var order = source.Orders.FirstOrDefault(x => x.Id == model.Id); if (order == null) { return null; } order.Update(model); source.SaveOrders(); return AddPastryName(order.GetViewModel); } public OrderViewModel? Delete(OrderBindingModel model) { var element = source.Orders.FirstOrDefault(x => x.Id == model.Id); if (element != null) { source.Orders.Remove(element); source.SaveOrders(); return AddPastryName(element.GetViewModel); } return null; } private OrderViewModel AddPastryName(OrderViewModel model) { var selectedPastry = source.Pastries.FirstOrDefault(x => x.Id == model.PastryId); if (selectedPastry != null) { model.PastryName = selectedPastry.PastryName; } return model; } } }