Controllers/v1/BookController.cs - master - zykovad/PIR_Lab1_E-Library

Controllers/v1/BookController.cs
146 строк6 KB
Darya
Done Lab 1
09 окт 2025, 18:04
09 окт 2025, 18:0448965dd
using libraryAPI.DataStorage.v1;
using libraryAPI.DTO;
using libraryAPI.Entities.v1;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.RateLimiting;
using Swashbuckle.AspNetCore.Annotations;

namespace libraryAPI.Controllers.v1
{
    [ApiController]
    [ApiVersion("1.0")]
    [Route("api/v{version:apiVersion}/[controller]")]
    [EnableRateLimiting("UserPolicy")]
    public class BooksController : ControllerBase
    {
        private readonly Data _data;
        public BooksController(Data data)
        {
            _data = data;
        }

        [HttpGet("GetAllBooks")]
        [SwaggerOperation(Summary = "Получить список всех книг", OperationId = "GetAllBooks")]
        [SwaggerResponse(200, "Список книг успешно получен", typeof(IEnumerable<Book_Response>))]
        public IResult GetBooks()
        {
            var books = _data.Books.Select(b => new Book_Response
            {
                Id = b.Id,
                Title = b.Title,
                ISBN = b.ISBN,
                Genre = b.Genre,
                Description = b.Description,
                PublicationYear = b.PublicationYear,
                Publisher = b.Publisher,
                Authors = b.AuthorBooks.Select(ab => $"{ab.Author.Surname} {ab.Author.Name}").ToList()
            }).ToList();

            return Results.Json(books);
        }

        [HttpGet("GetBookById/{id}")]
        [SwaggerOperation(Summary = "Получить книгу по id", OperationId = "GetBookById")]
        [SwaggerResponse(200, "Книга найдена", typeof(Book_Response))]
        public IResult GetBook(int id)
        {
            var book = _data.Books.FirstOrDefault(b => b.Id == id);
            if (book == null) return Results.NotFound();

            var dto = new Book_Response
            {
                Id = book.Id,
                Title = book.Title,
                ISBN = book.ISBN,
                Genre = book.Genre,
                Description = book.Description,
                PublicationYear = book.PublicationYear,
                Publisher = book.Publisher,
                Authors = book.AuthorBooks.Select(ab => $"{ab.Author.Surname} {ab.Author.Name}").ToList()
            };

            return Results.Json(dto);
        }

        [HttpPost("CreateBook")]
        [SwaggerOperation(Summary = "Создать книгу", OperationId = "CreateBook")]
        [SwaggerResponse(200, "Книга успешно создана", typeof(Book_Response))]
        public IResult CreateBook(Book_Request dto, [FromHeader(Name = "Idempotency-Key")] string idempotencyKey)
        {
            if (string.IsNullOrEmpty(idempotencyKey))
                return Results.BadRequest("Missing Idempotency-Key header.");

            if (_data.IdempotencyCache.ContainsKey(idempotencyKey))
                return Results.Json(_data.IdempotencyCache[idempotencyKey]);

            var book = new Book
            {
                Id = _data.Books.Max(b => b.Id) + 1,
                Title = dto.Title,
                ISBN = dto.ISBN,
                Genre = dto.Genre,
                Description = dto.Description,
                PublicationYear = dto.PublicationYear,
                Publisher = dto.Publisher
            };
            _data.Books.Add(book);
            _data.IdempotencyCache[idempotencyKey] = book;

            var response = new Book_Response
            {
                Id = book.Id,
                Title = book.Title,
                ISBN = book.ISBN,
                Genre = book.Genre,
                Description = book.Description,
                PublicationYear = book.PublicationYear,
                Publisher = book.Publisher,
                Authors = book.AuthorBooks.Select(ab => $"{ab.Author.Surname} {ab.Author.Name}").ToList()
            };

            return Results.Json(response);
        }

        [HttpPut("UpdateBookById/{id}")]
        [SwaggerOperation(Summary = "Обновить книгу по id", OperationId = "UpdateBookById")]
        [SwaggerResponse(200, "Книга успешно обновлена", typeof(Book_Response))]
        public IResult UpdateBook(int id, Book_Request dto)
        {
            var book = _data.Books.FirstOrDefault(b => b.Id == id);
            if (book == null) return Results.NotFound();

            book.Title = dto.Title;
            book.ISBN = dto.ISBN;
            book.Genre = dto.Genre;
            book.Description = dto.Description;
            book.PublicationYear = dto.PublicationYear;
            book.Publisher = dto.Publisher;

            var response = new Book_Response
            {
                Id = book.Id,
                Title = book.Title,
                ISBN = book.ISBN,
                Genre = book.Genre,
                Description = book.Description,
                PublicationYear = book.PublicationYear,
                Publisher = book.Publisher,
                Authors = book.AuthorBooks.Select(ab => $"{ab.Author.Surname} {ab.Author.Name}").ToList()
            };

            return Results.Json(response);
        }

        [HttpDelete("DeleteBookById/{id}")]
        [SwaggerOperation(Summary = "Удалить книгу по id", OperationId = "DeleteBookById")]
        [SwaggerResponse(200, "Книга успешно удалена")]
        public IResult DeleteBook(int id)
        {
            var book = _data.Books.FirstOrDefault(b => b.Id == id);
            if (book == null) return Results.NotFound();

            _data.Books.Remove(book);
            return Results.Ok($"Book with ID {id} deleted.");
        }
    }
}