using TravelCompanyContracts.BindingModels; using TravelCompanyContracts.SearchModels; using TravelCompanyContracts.StoragesContracts; using TravelCompanyContracts.ViewModels; using TravelCompanyDatabaseImplement.Models; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Microsoft.EntityFrameworkCore; namespace TravelCompanyDatabaseImplement.Implements { public class OrderStorage : IOrderStorage { public OrderViewModel? GetElement(OrderSearchModel model) { if (!model.Id.HasValue) { return null; } using var context = new TravelCompanyDataBase(); return context.Orders.Include(x => x.Travel). FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id) ?.GetViewModel; } public List GetFilteredList(OrderSearchModel model) { if (!model.Id.HasValue) { return new(); } using var context = new TravelCompanyDataBase(); return context.Orders .Include(x => x.Travel) .Where(x => x.Id == model.Id) .Select(x => x.GetViewModel) .ToList(); } public List GetFullList() { using var context = new TravelCompanyDataBase(); return context.Orders.Include(x => x.Travel) .Select(x => x.GetViewModel).ToList(); } public OrderViewModel? Insert(OrderBindingModel model) { var newOrder = Order.Create(model); if (newOrder == null) { return null; } using var context = new TravelCompanyDataBase(); context.Orders.Add(newOrder); context.SaveChanges(); return context.Orders.Include(x => x.Travel) .FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel; } public OrderViewModel? Update(OrderBindingModel model) { using var context = new TravelCompanyDataBase(); var order = context.Orders.FirstOrDefault(x => x.Id == model.Id); if (order == null) { return null; } order.Update(model); context.SaveChanges(); return context.Orders.Include(x => x.Travel).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel; } public OrderViewModel? Delete(OrderBindingModel model) { using var context = new TravelCompanyDataBase(); var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id); if (element != null) { context.Orders.Remove(element); context.SaveChanges(); return element.GetViewModel; } return null; } } }