public async Task <IActionResult> CreateCourseReview(int courseId, [FromBody] CourseReviewCreateRequestDto request)
{
try
{
if (!ModelState.IsValid)
{
var errors = ModelState.Values.SelectMany(x => x.Errors).Select(e => e.ErrorMessage).ToList();
return(BadRequest(errors));
}
var result = await _courseReviewServices.CreateCourseReviewAsync(courseId, request);
return(Ok(result));
}
catch (CourseReviewException ex)
{
return(BadRequest(ex.Message));
}
catch (BadRequestException ex)
{
return(BadRequest(ex.Message));
}
catch (NotFoundException ex)
{
return(NotFound(ex.Message));
}
catch (Exception ex)
{
_logger.LogCritical($"CreateCourseReview() Error: {ex}");
return(StatusCode(500, "Internal Server Error"));
}
}
public async Task <CourseReviewDto> CreateCourseReviewAsync(int courseId, CourseReviewCreateRequestDto request)
{
// 1. check user and course
var user = await GetCurrentUser();
var course = await _courseRepository.GetCourseAsync(courseId);
if (course == null)
{
throw new NotFoundException("Course not found");
}
// 2. check user's exsisting review
var review = await _courseReviewRepository.GetCourseReviewByCourseIdAndUserIdAsync(user.Id, courseId);
if (review != null)
{
throw new BadRequestException("You have reviewed this course already.");
}
// 3. create review and update course
var newReview = Review.Create(course, user, request.Comment, request.Score);
await _courseReviewRepository.CreateAsync(newReview);
await _courseReviewRepository.SaveAsync();
return(Mapper.Map <CourseReviewDto>(newReview));
}