/// <summary>
/// Returns movies that pass certain filter criteria provided by consumer.
/// At least one filter criteria should be provided by the caller, else the api returns an Invalid status.
/// </summary>
public async Task <GetMoviesByCriteriaResponse> GetMoviesByCriteriaAsync(GetMoviesByCriteriaRequest request)
{
try
{
if (request == null || !request.Validate())
{
return new GetMoviesByCriteriaResponse
{
Status = ResponseStatus.Invalid,
Movies = Enumerable.Empty <MoviesResponse>()
}
}
;
var movies = await this.moviesRepository.Movies
.Include(m => m.MovieGenre)
.ThenInclude(navigationPropertyPath: mg => mg.Genre)
.Include(m => m.MovieRating)
.Where(m => m.Title.Equals(request.Title, StringComparison.InvariantCultureIgnoreCase) ||
m.YearOfRelease == (request.YearOfRelease.HasValue ? request.YearOfRelease.Value : 0) ||
m.RunningTime == (request.RunningTime.HasValue ? request.RunningTime.Value : 0))
.Select(m =>
new MoviesResponse
{
Id = m.Id,
Title = m.Title,
YearOfRelease = m.YearOfRelease,
RunningTime = m.RunningTime,
Genres = string.Join(", ", m.MovieGenre.Select(mg => mg.Genre.Name).ToList()),
AverageRating = Average(m.MovieRating)
}).ToListAsync();
return(new GetMoviesByCriteriaResponse
{
Status = ResponseStatus.Success,
Movies = movies
});
}
catch (DbException dbException)
{
logger.LogError(dbException, $"Error occurred while retrieving movies for Title:{request.Title} RunningTime:{request.RunningTime.Value} YearOfRelease:{request.YearOfRelease.Value}");
}
catch (Exception ex)
{
logger.LogError(ex, $"GetMoviesByCriteriaAsync() : Error occurred while retrieving movies for Title:{ request.Title} RunningTime: { request.RunningTime.Value} YearOfRelease: { request.YearOfRelease.Value}");
}
return(new GetMoviesByCriteriaResponse
{
Status = ResponseStatus.Fail,
Movies = Enumerable.Empty <MoviesResponse>()
});
}
public async Task GetMoviesByCriteriaAsync_ForValidRequest_ReturnsMoviesList()
{
// 1. Arrange
var options = new DbContextOptionsBuilder <WheelMoviesContext>()
.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
.Options;
var moviesContext = new WheelMoviesContext(options);
moviesContext.Movie.Add(new Movie
{
Id = 1,
Title = "Movie1",
YearOfRelease = 2000,
RunningTime = 120,
MovieGenre = new List <MovieGenre>
{
new MovieGenre {
Id = 1, GenreId = 1, MovieId = 1
}
}
});
moviesContext.Movie.Add(new Movie
{
Id = 2,
Title = "Movie2",
YearOfRelease = 2001,
RunningTime = 120,
MovieGenre = new List <MovieGenre>
{
new MovieGenre {
Id = 2, GenreId = 1, MovieId = 2
}
}
});
await moviesContext.SaveChangesAsync();
var moviesRepository = new MoviesRepository(moviesContext);
var loggerMock = new Mock <ILogger <MovieService> >();
var request = new GetMoviesByCriteriaRequest
{
YearOfRelease = 2000
};
// 2. Act
var movieService = new MovieService(moviesRepository, loggerMock.Object);
var response = await movieService.GetMoviesByCriteriaAsync(request);
// 3. Assert
Assert.NotEmpty(response.Movies);
Assert.True(response.Movies.Count() == 1);
}
public async Task GetMoviesByCriteriaRequest_For_ValidRequest_Returns_MoviesList()
{
// 1. Arrange
var client = factory.CreateClient();
var request = new GetMoviesByCriteriaRequest
{
RunningTime = 120
};
var json = JsonConvert.SerializeObject(request);
var payload = new StringContent(json, Encoding.UTF8, "application/json");
// 2. Act
var response = await client.PostAsync("/api/movies", payload);
// 3. Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
}
public async Task GetMoviesByCriteriaAsync_ForInvalidRequest_ReturnsInvalidResponseState()
{
// 1. Arrange
var moviesRepositoryMock = new Mock <IMoviesRepository>();
var loggerMock = new Mock <ILogger <MovieService> >();
var request = new GetMoviesByCriteriaRequest
{
Title = null
};
// 2. Act
var movieService = new MovieService(moviesRepositoryMock.Object, loggerMock.Object);
var response = await movieService.GetMoviesByCriteriaAsync(request);
// 3. Assert
Assert.Equal(ResponseStatus.Invalid, response.Status);
Assert.True(!response.Movies.Any());
}
public async Task <ActionResult <IEnumerable <MoviesResponse> > > Post([FromBody] GetMoviesByCriteriaRequest request)
{
var movies = await movieService.GetMoviesByCriteriaAsync(request);
if (movies.Status == ResponseStatus.Invalid)
{
return(BadRequest("Invalid criteria"));
}
if (!movies.Movies.Any())
{
return(NotFound("No movies found"));
}
if (movies.Status == ResponseStatus.Fail)
{
return(new StatusCodeResult(500));
}
return(Ok(movies.Movies));
}
