Controllers/v2/ReviewController.cs - master - zykovad/PIR_Lab1_E-Library

Controllers/v2/ReviewController.cs
160 строк7 KB
Darya
Done lab 2
17 окт 2025, 22:38
17 окт 2025, 22:3838ce9ac
using libraryAPI.DataStorage.v2;
using libraryAPI.DTO;
using libraryAPI.Entities.v2;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ViewEngines;
using Swashbuckle.AspNetCore.Annotations;

namespace libraryAPI.Controllers.v2
{
    [ApiController]
    [ApiVersion("2.0")]
    [Route("api/v{version:apiVersion}/[controller]")]
    public class ReviewsController : ControllerBase
    {
        private readonly Data _data;

        public ReviewsController(Data data)
        {
            _data = data;
        }

        [HttpGet("GetAllReviews")]
        [SwaggerOperation(Summary = "Получить все отзывы (с пагинацией)",
            Description = "Можно выбрать поля через параметр include (например: ?include=comment,rating). Опциональные поля: comment, rating.", 
            OperationId = "GetAllReviews")]
        [SwaggerResponse(200, "Список отзывов успешно получен", typeof(PagedResult<Review_Response>))]
        public IResult GetReviews(int page = 1, int pageSize = 10, [FromQuery] string? include = null)
        {
            // Преобразуем строку include в список
            var includeFields = include?.Split(',').Select(f => f.Trim().ToLower()).ToHashSet() ?? new HashSet<string>();

            var list = _data.Reviews.ToList();
            var total = list.Count;
            var items = list.Skip((page - 1) * pageSize).Take(pageSize)
                .Select(r => new Review_Response
                {
                    Id = r.Id,
                    UserId = r.UserId,
                    BookId = r.BookId,
                    Comment = includeFields.Count == 0 || includeFields.Contains("comment") ? r.Comment : null,
                    Rating = includeFields.Count == 0 || includeFields.Contains("rating") ? r.Rating : 0,
                    CreatedAt = r.CreatedAt
                }).ToList();

            var response = new PagedResult<Review_Response>
            {
                Items = items,
                Page = page,
                PageSize = pageSize,
                TotalCount = total
            };

            return Results.Json(response);
        }

        [HttpGet("GetReviewById/{id}")]
        [SwaggerOperation(Summary = "Получить отзыв по id",
                        Description = "Можно выбрать поля через параметр include (например: ?include=comment,rating). Опциональные поля: comment, rating.",
                        OperationId = "GetReviewById")]
        [SwaggerResponse(200, "Отзыв найден", typeof(Review_Response))]
        public IResult GetReview(int id, [FromQuery] string? include = null)
        {
            // Преобразуем строку include в список
            var includeFields = include?.Split(',').Select(f => f.Trim().ToLower()).ToHashSet() ?? new HashSet<string>();

            var r = _data.Reviews.FirstOrDefault(x => x.Id == id);
            if (r == null) return Results.NotFound();

            var dto = new Review_Response
            {
                Id = r.Id,
                UserId = r.UserId,
                BookId = r.BookId,
                Comment = includeFields.Count == 0 || includeFields.Contains("comment") ? r.Comment : null,
                Rating = includeFields.Count == 0 || includeFields.Contains("rating") ? r.Rating : 0,
                CreatedAt = r.CreatedAt
            };

            return Results.Json(dto);
        }

        [HttpPost("CreateReview")]
        [SwaggerOperation(Summary = "Создать отзыв", OperationId = "CreateReview")]
        [SwaggerResponse(200, "Отзыв успешно создан", typeof(Review_Response))]
        public IResult CreateReview(Review_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 user = _data.Users.FirstOrDefault(u => u.Id == dto.UserId);
            var book = _data.Books.FirstOrDefault(b => b.Id == dto.BookId);

            if (user == null || book == null)
                return Results.BadRequest("User or book not found.");

            var review = new Review
            {
                Id = _data.Reviews.Max(r => r.Id) + 1,
                UserId = dto.UserId,
                BookId = dto.BookId,
                Comment = dto.Comment,
                Rating = dto.Rating,
                CreatedAt = dto.CreatedAt
            };

            _data.Reviews.Add(review);

            var response = new Review_Response
            {
                Id = review.Id,
                UserId = review.UserId,
                BookId = review.BookId,
                Comment = review.Comment,
                Rating = review.Rating,
                CreatedAt = review.CreatedAt
            };

            return Results.Json(response);
        }

        [HttpPut("UpdateReviewById/{id}")]
        [SwaggerOperation(Summary = "Обновить отзыв по id", OperationId = "UpdateReviewById")]
        [SwaggerResponse(200, "Отзыв успешно обновлен", typeof(Review_Response))]
        public IResult UpdateReview(int id, Review_Request_Put dto)
        {
            var review = _data.Reviews.FirstOrDefault(x => x.Id == id);
            if (review == null) return Results.NotFound();

            review.Comment = dto.Comment;
            review.Rating = dto.Rating;

            var response = new Review_Response
            {
                Id = review.Id,
                UserId = review.UserId,
                BookId = review.BookId,
                Comment = review.Comment,
                Rating = review.Rating,
                CreatedAt = review.CreatedAt
            };

            return Results.Json(response);
        }

        [HttpDelete("DeleteReviewById/{id}")]
        [SwaggerOperation(Summary = "Удалить отзыв по id", OperationId = "DeleteReviewById")]
        [SwaggerResponse(200, "Отзыв успешно удален")]
        public IResult DeleteReview(int id)
        {
            var r = _data.Reviews.FirstOrDefault(x => x.Id == id);
            if (r == null) return Results.NotFound();

            _data.Reviews.Remove(r);
            return Results.Ok($"Review with ID {id} deleted.");
        }
    }
}