using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using TravelCompanyContracts.BindingModels; using TravelCompanyContracts.SearchModels; using TravelCompanyContracts.StoragesContracts; using TravelCompanyContracts.ViewModels; using TravelCompanyDatabaseImplement.Models; namespace TravelCompanyDatabaseImplement.Implements { public class ImplementerStorage : IImplementerStorage { public ImplementerViewModel? Delete(ImplementerBindingModel model) { using var context = new TravelCompanyDatabase(); var element = context.Implementers.FirstOrDefault(rec => rec.Id == model.Id); if (element != null) { context.Implementers.Remove(element); context.SaveChanges(); return element.GetViewModel; } return null; } public ImplementerViewModel? GetElement(ImplementerSearchModel model) { if (string.IsNullOrEmpty(model.ImplementerFIO) && !model.Id.HasValue && string.IsNullOrEmpty(model.Password)) { return null; } using var context = new TravelCompanyDatabase(); if (model.Id.HasValue) { return context.Implementers .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel; } if (model.ImplementerFIO != null && model.Password != null) { return context.Implementers .FirstOrDefault(x => x.ImplementerFIO.Equals(model.ImplementerFIO) && x.Password.Equals(model.Password)) ?.GetViewModel; } return context.Implementers .FirstOrDefault(x => x.ImplementerFIO.Equals(model.ImplementerFIO)) ?.GetViewModel; } public List GetFilteredList(ImplementerSearchModel model) { if (string.IsNullOrEmpty(model.ImplementerFIO)) { return new(); } using var context = new TravelCompanyDatabase(); return context.Implementers .Where(x => x.ImplementerFIO.Equals(model.ImplementerFIO)) .Select(x => x.GetViewModel) .ToList(); } public List GetFullList() { using var context = new TravelCompanyDatabase(); return context.Implementers .Select(x => x.GetViewModel) .ToList(); } public ImplementerViewModel? Insert(ImplementerBindingModel model) { var newImplementer = Implementer.Create(model); if (newImplementer == null) { return null; } using var context = new TravelCompanyDatabase(); context.Implementers.Add(newImplementer); context.SaveChanges(); return newImplementer.GetViewModel; } public ImplementerViewModel? Update(ImplementerBindingModel model) { using var context = new TravelCompanyDatabase(); var implementer = context.Implementers.FirstOrDefault(x => x.Id == model.Id); if (implementer == null) { return null; } implementer.Update(model); context.SaveChanges(); return implementer.GetViewModel; } } }