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

Controllers/v2/UserController.cs
149 строк6 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.RazorPages;
using Swashbuckle.AspNetCore.Annotations;

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

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

        [HttpGet("GetAllUsers")]
        [SwaggerOperation(Summary = "Получить всех пользователей (с пагинацией)",
                        Description = "Можно выбрать поля через параметр include (например: ?include=username,login). Опциональные поля: username, login, role.",
                        OperationId = "GetAllUsers")]
        [SwaggerResponse(200, "Список пользователей успешно получен", typeof(PagedResult<User_Response>))]
        public IResult GetUsers(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.Users.ToList();
            var total = list.Count;
            var items = list.Skip((page - 1) * pageSize).Take(pageSize)
                .Select(u => new User_Response
                {
                    Id = u.Id,
                    Username = includeFields.Count == 0 || includeFields.Contains("username") ? u.Username : null,
                    Login = includeFields.Count == 0 || includeFields.Contains("login") ? u.Login : null,
                    Role = includeFields.Count == 0 || includeFields.Contains("role") ? u.Role : null
                }).ToList();

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

            return Results.Json(response);
        }

        [HttpGet("GetUserById/{id}")]
        [SwaggerOperation(Summary = "Получить пользователя по id",
                          Description = "Можно выбрать поля через параметр include (например: ?include=username,login). Опциональные поля: username, login, role.",
                          OperationId = "GetUserById")]
        [SwaggerResponse(200, "Пользователь найден", typeof(User_Response))]
        public IResult GetUser(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 u = _data.Users.FirstOrDefault(x => x.Id == id);
            if (u == null) return Results.NotFound();

            var dto = new User_Response
            {
                Id = u.Id,
                Username = includeFields.Count == 0 || includeFields.Contains("username") ? u.Username : null,
                Login = includeFields.Count == 0 || includeFields.Contains("login") ? u.Login : null,
                Role = includeFields.Count == 0 || includeFields.Contains("role") ? u.Role : null
            };

            return Results.Json(dto);
        }

        [HttpPost("CreateUser")]
        [SwaggerOperation(Summary = "Создать пользователя", OperationId = "CreateUser")]
        [SwaggerResponse(200, "Пользователь успешно создан", typeof(User_Response))]
        public IResult CreateUser(User_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 newUser = new User
            {
                Id = _data.Users.Max(u => u.Id) + 1,
                Username = dto.Username,
                Login = dto.Login,
                PasswordHash = dto.PasswordHash,
                Role = "user"
            };
            _data.Users.Add(newUser);

            _data.IdempotencyCache[idempotencyKey] = newUser;

            var response = new User_Response
            {
                Id = newUser.Id,
                Username = newUser.Username,
                Login = newUser.Login,
                PasswordHash = newUser.PasswordHash,
                Role = newUser.Role
            };

            return Results.Json(response);
        }

        [HttpPut("UpdateUserById/{id}")]
        [SwaggerOperation(Summary = "Обновить пользователя по id", OperationId = "UpdateUserById")]
        [SwaggerResponse(200, "Пользователь успешно обновлен", typeof(User_Response))]
        public IResult UpdateUser(int id, User_Request dto)
        {
            var user = _data.Users.FirstOrDefault(u => u.Id == id);
            if (user == null) return Results.NotFound();

            user.Username = dto.Username;
            user.Login = dto.Login;
            user.PasswordHash = dto.PasswordHash;

            var response = new User_Response
            {
                Id = user.Id,
                Username = user.Username,
                Login = user.Login,
                PasswordHash = user.PasswordHash,
                Role = user.Role
            };

            return Results.Json(response);
        }

        [HttpDelete("DeleteUserById/{id}")]
        [SwaggerOperation(Summary = "Удалить пользователя по id", OperationId = "DeleteUserById")]
        [SwaggerResponse(200, "Пользователь успешно удален")]
        public IResult DeleteUser(int id)
        {
            var user = _data.Users.FirstOrDefault(u => u.Id == id);
            if (user == null) return Results.NotFound();

            _data.Users.Remove(user);
            return Results.Ok($"User with ID {id} deleted.");
        }
    }
}