public async Task <UserLoginResponse> Handle(UserLoginCommand input)
{
await new UserLoginCommandValidator().ValidateAndThrowAsync(input);
var user = await _userManager.FindByEmailAsync(input.Email);
if (user == null)
{
throw new AuthenticationException("Неверный email или пароль");
}
var isPasswordOk = await _userManager.CheckPasswordAsync(user, input.Password);
if (!isPasswordOk)
{
var identityResult = await _userManager.AccessFailedAsync(user);
throw !identityResult.Succeeded
? (Exception) new IdentityResultException(identityResult)
: new AuthenticationException("Неверный email или пароль");
}
var expiredTokens = _movieLibContext.UserApiTokens.Where(UserApiToken.IsExpired);
_movieLibContext.UserApiTokens.RemoveRange(expiredTokens);
await _movieLibContext.SaveChangesAsync();
var newToken = new UserApiToken
{
UserId = user.Id,
ExpirationDateTime = input.RememberMe ? (DateTime?)null : DateTime.Now.AddDays(1)
};
await _movieLibContext.UserApiTokens.AddAsync(newToken);
await _movieLibContext.SaveChangesAsync();
return(new UserLoginResponse {
Token = newToken.ApiToken
});
}
public async Task <UserLogoutResponse> Handle(UserLogoutCommand input)
{
var token = await _movieLibContext.UserApiTokens.FirstOrDefaultAsync(t => t.ApiToken == input.Token);
if (token == null)
{
throw new NotFoundException("Такого токена не существует");
}
_movieLibContext.UserApiTokens.Remove(token);
await _movieLibContext.SaveChangesAsync();
return(new UserLogoutResponse());
}
public async Task <AddEditMovieResponse> Handle(AddEditMovieCommand input)
{
await new AddEditMovieCommandValidator().ValidateAndThrowAsync(input);
var token = await _movieLibContext.UserApiTokens.Include(apiToken => apiToken.User)
.FirstOrDefaultAsync(apiToken => apiToken.ApiToken == input.Token);
if (token == null)
{
throw new AuthenticationException("Такого токена нет");
}
if (UserApiToken.IsExpired.IsSatisfiedBy(token))
{
throw new AuthenticationException("Токен истек");
}
var user = token.User;
if (user == null)
{
throw new NotFoundException("Пользователь не найден");
}
Movie movie;
if (input.Id == null)
{
movie = _mapper.Map <Movie>(input);
movie.Id = Guid.NewGuid().ToString();
movie.CreatedByUserId = user.Id;
movie.HavePoster = input.PosterFile != null;
await _movieLibContext.Movies.AddAsync(movie);
await _movieLibContext.SaveChangesAsync();
}
else
{
movie = await _movieLibContext.Movies.FirstOrDefaultAsync(m => m.Id == input.Id);
if (movie == null)
{
throw new NotFoundException("Фильм не найден");
}
if (movie.CreatedByUserId != user.Id)
{
throw new AuthorizationException(
"Этот фильм создан другим пользователем, вам запрещено его изменять");
}
movie = _mapper.Map(input, movie);
movie.HavePoster = input.PosterFile != null;
_movieLibContext.Movies.Update(movie);
await _movieLibContext.SaveChangesAsync();
}
var posterDirectoryPath = _webHostEnvironment.ContentRootPath + _configuration["PostersPath"];
if (!Directory.Exists(posterDirectoryPath))
{
Directory.CreateDirectory(posterDirectoryPath);
}
if (input.PosterFile != null)
{
await using var fileStream = new FileStream(
posterDirectoryPath + movie.Id,
FileMode.Create);
await input.PosterFile.CopyToAsync(fileStream);
}
else if (input.Id != null)
{
var filePath = posterDirectoryPath + movie.Id;
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
return(new AddEditMovieResponse());
}