using GiftShopContracts.BindingModels; using GiftShopContracts.SearchModels; using GiftShopContracts.StoragesContracts; using GiftShopContracts.ViewModels; using GiftShopFileImplement.Models; namespace GiftShopFileImplement.Implements { public class OrderStorage : IOrderStorage { private readonly DataFileSingleton source; public OrderStorage() { source = DataFileSingleton.GetInstance(); } 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 AccessStorage(element.GetViewModel); } return null; } public OrderViewModel? GetElement(OrderSearchModel model) { if (!model.Id.HasValue) { return null; } return AccessStorage(source.Orders .FirstOrDefault(x => ((model.Id.HasValue && x.Id == model.Id) || (model.ImplementerId.HasValue && x.ImplementerId == model.ImplementerId && x.Status == model.Status)))?.GetViewModel); } public List GetFilteredList(OrderSearchModel model) { return source.Orders .Where(x => ( (!model.Id.HasValue || x.Id == model.Id) && (!model.DateFrom.HasValue || x.DateCreate >= model.DateFrom) && (!model.DateTo.HasValue || x.DateCreate <= model.DateTo) && (!model.ClientId.HasValue || x.ClientId == model.ClientId) ) ) .Select(x => AccessStorage(x.GetViewModel)) .ToList(); } public List GetFullList() { return source.Orders.Select(x => AccessStorage(x.GetViewModel)).ToList(); } 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 AccessStorage(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 AccessStorage(order.GetViewModel); } public OrderViewModel AccessStorage(OrderViewModel model) { if (model == null) return null; var gift = source.Gifts.FirstOrDefault(x => x.Id == model.Id); var client = source.Clients.FirstOrDefault(x => x.Id == model.Id); var implementer = source.Implementers.FirstOrDefault(x => x.Id == model.ImplementerId); if (gift != null) model.GiftName = gift.GiftName; if (client != null) model.ClientFIO = client.ClientFIO; if (implementer != null) model.ImplementerFIO = implementer.ImplementerFIO; return model; } } }