public async Task <ActionResult <IEnumerable <CourseDto> > > GetCoursesForAnAuthor(Guid authorId)
{
if (!await mRepository.AuthorExistsAsync(authorId))
{
return(NotFound());
}
var courses = await mRepository.GetCoursesAsync(authorId);
return(Ok(mMapper.Map <IEnumerable <CourseDto> >(courses)));
}
public async Task <ActionResult <IEnumerable <CourseDto> > > GetCoursesForAuthorAsync(Guid authorId)
{
if (!_courseLibraryRepository.AuthorExists(authorId))
{
return(NotFound());
}
var coursesFromRepo = await _courseLibraryRepository.GetCoursesAsync(authorId);
return(Ok(_mapper.Map <IEnumerable <CourseDto> >(coursesFromRepo)));
}
public async Task <ActionResult <IEnumerable <AuthorDto> > > GetCoursesForAuthor(Guid authorId)
{
if (!await _authorRepository.AuthorExistsAsync(authorId))
{
return(NotFound());
}
var courses = await _courseRepository.GetCoursesAsync(authorId);
var coursesToReturn = _mapper.Map <IEnumerable <CourseDto> >(courses);
return(Ok(coursesToReturn));
}
[ResponseCache(Duration = 120)] // We also add middleware
public async Task <ActionResult <IEnumerable <CourseDto> > > GetCoursesForAuthor(Guid authorId)
{
// Handling Faults
// If the environment is development client got an stack trace with (500)error
// on the other side if the environment is production we got only 500 error, when we throw an exception.
// We can override empty 500 error in Startup class in production.
// throw new Exception("An error occured.");
var courses = await _courseLibraryRepository.GetCoursesAsync(authorId);
if (!courses.Any())
{
return(NotFound());
}
return(Ok(_mapper.Map <IEnumerable <CourseDto> >(courses)));
}
public async Task <IActionResult> DeleteAuthor(Guid authorId)
{
var authorEntity = await _courseLibraryRepository.GetAuthorAsync(authorId);
if (authorEntity == null)
{
return(NotFound());
}
var courses = await _courseLibraryRepository.GetCoursesAsync(authorId); // We delete all author's courses.
courses.ToList().ForEach(c =>
{
_courseLibraryRepository.DeleteCourse(c);
});
_courseLibraryRepository.DeleteAuthor(authorEntity);
await _courseLibraryRepository.SaveAsync();
return(NoContent());
}