95 lines
2.1 KiB
C#
95 lines
2.1 KiB
C#
using Contracts.BindingModels;
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using Contracts.SearchModels;
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using Contracts.StoragesContracts;
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using Contracts.ViewModels;
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using DatabaseImplement.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DatabaseImplement.Implements
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{
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public class BookStorage : IBookStorage
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{
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public BookViewModel? Delete(BookBindingModel model)
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{
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using var context = new COPcontext();
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var element = context.Books.FirstOrDefault(rec => rec.Id ==
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model.Id);
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if (element != null)
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{
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context.Books.Remove(element);
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context.SaveChanges();
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return element.GetViewModel;
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}
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return null;
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}
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public BookViewModel? GetElement(BookSearchModel model)
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{
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if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
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{
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return null;
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}
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using var context = new COPcontext();
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return context.Books
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.FirstOrDefault(x =>
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(!string.IsNullOrEmpty(model.Name) && x.Name ==
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model.Name) ||
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(model.Id.HasValue && x.Id == model.Id))
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?.GetViewModel;
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}
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public List<BookViewModel> GetFilteredList(BookSearchModel model)
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{
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if (string.IsNullOrEmpty(model.Name))
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{
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return new();
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}
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using var context = new COPcontext();
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return context.Books
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.Where(x => x.Name.Contains(model.Name))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<BookViewModel> GetFullList()
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{
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using var context = new COPcontext();
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return context.Books
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public BookViewModel? Insert(BookBindingModel model)
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{
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var newComponent = Book.Create(model);
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if (newComponent == null)
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{
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return null;
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}
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using var context = new COPcontext();
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context.Books.Add(newComponent);
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context.SaveChanges();
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return newComponent.GetViewModel;
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}
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public BookViewModel? Update(BookBindingModel model)
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{
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using var context = new COPcontext();
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var component = context.Books.FirstOrDefault(x => x.Id ==
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model.Id);
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if (component == null)
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{
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return null;
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}
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component.Update(model);
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context.SaveChanges();
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return component.GetViewModel;
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}
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}
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}
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