71 lines
1.5 KiB
C#
71 lines
1.5 KiB
C#
using LibraryContracts.StorageContracts;
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using LibraryDatabase.Models;
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using LibraryDataModels.Dtos;
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using LibraryDataModels.Views;
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using System;
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using System.Collections.Generic;
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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 LibraryDatabase.Storages
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{
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public class BookStorage : IBookStorage
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{
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public List<BookView> GetFullList()
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{
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using var context = new LibraryDatabaseContext();
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return context.Books
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.Select(x => x.GetView)
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.ToList();
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}
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public BookView? GetElement(BookDto model)
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{
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using var context = new LibraryDatabaseContext();
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return context.Books
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.FirstOrDefault(x => x.Id == model.Id)
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?.GetView;
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}
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public BookView? Insert(BookDto model)
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{
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var newBook = Book.Create(model);
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if (newBook == null)
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{
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return null;
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}
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using var context = new LibraryDatabaseContext();
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context.Books.Add(newBook);
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context.SaveChanges();
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return newBook.GetView;
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}
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public BookView? Update(BookDto model)
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{
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using var context = new LibraryDatabaseContext();
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var Book = context.Books.FirstOrDefault(x => x.Id == model.Id);
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if (Book == null)
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{
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return null;
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}
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Book.Update(model);
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context.SaveChanges();
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return Book.GetView;
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}
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public BookView? Delete(BookDto model)
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{
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using var context = new LibraryDatabaseContext();
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var element = context.Books.FirstOrDefault(rec => rec.Id == 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.GetView;
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}
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return null;
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}
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}
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}
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