73 lines
1.7 KiB
C#
73 lines
1.7 KiB
C#
using LibraryContracts.StorageContracts;
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using LibraryDatabase;
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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.Runtime.ConstrainedExecution;
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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 AuthorStorage : IAuthorStorage
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{
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public List<AuthorView> GetFullList()
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{
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using var context = new LibraryDatabaseContext();
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return context.Authors
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.Select(x => x.GetView)
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.ToList();
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}
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public AuthorView? GetElement(AuthorDto model)
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{
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using var context = new LibraryDatabaseContext();
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return context.Authors
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.FirstOrDefault(x => x.Id == model.Id)
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?.GetView;
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}
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public AuthorView? Insert(AuthorDto model)
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{
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var newAuthor = Author.Create(model);
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if (newAuthor == 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.Authors.Add(newAuthor);
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context.SaveChanges();
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return newAuthor.GetView;
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}
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public AuthorView? Update(AuthorDto model)
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{
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using var context = new LibraryDatabaseContext();
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var author = context.Authors.FirstOrDefault(x => x.Id == model.Id);
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if (author == null)
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{
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return null;
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}
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author.Update(model);
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context.SaveChanges();
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return author.GetView;
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}
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public AuthorView? Delete(AuthorDto model)
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{
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using var context = new LibraryDatabaseContext();
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var element = context.Authors.FirstOrDefault(rec => rec.Id == model.Id);
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if (element != null)
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{
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context.Authors.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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