using SushiBarContracts.BindingModels; using SushiBarContracts.SearchModels; using SushiBarContracts.StoragesContracts; using SushiBarContracts.ViewModels; using SushiBarFileImplement.Models; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace SushiBarFileImplement.Implements { public class OrderStorage : IOrderStorage { private readonly DataFileSingleton source; public OrderStorage() { source = DataFileSingleton.GetInstance(); } public List GetFullList() => source.Orders.Select(x => AttachSushiName(x.GetViewModel)).ToList(); public List GetFilteredList(OrderSearchModel model) { if (!model.Id.HasValue) { return new(); } return source.Orders.Where(x => x.Id == model.Id).Select(x => AttachSushiName(x.GetViewModel)).ToList(); } public OrderViewModel? GetElement(OrderSearchModel model) { if (!model.Id.HasValue) { return new(); } return AttachSushiName(source.Orders.FirstOrDefault(x => x.Id == model.Id)?.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 AttachSushiName(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 AttachSushiName(order.GetViewModel); } public OrderViewModel? Delete(OrderBindingModel model) { var order = source.Orders.FirstOrDefault(x => x.Id == model.Id); if (order != null) { source.Orders.Remove(order); source.SaveOrders(); return AttachSushiName(order.GetViewModel); } return null; } private OrderViewModel? AttachSushiName(OrderViewModel? model) { var sushi = model?.SushiId != null ? source.Sushis.FirstOrDefault(x => x.Id == model.SushiId) : null; model.SushiName = sushi?.SushiName; return model; } } }