public async Task <IActionResult> UpdateCourseForAuthor(Guid authorId,
Guid courseId,
CourseUpdateDto course)
{
//Check if author exists
if (!await _authorRepository.AuthorExistsAsync(authorId))
{
return(NotFound());
}
//Check if course exists
var courseForAuthorEntity = await _courseRepository.GetCourseAsync(authorId, courseId);
if (courseForAuthorEntity == null)
{
// return NotFound();
// Upsert pattern - need to create the course
var courseToAdd = _mapper.Map <Course>(course);
// Get course Id from URI
courseToAdd.Id = courseId;
await _courseRepository.AddCourseAsync(authorId, courseToAdd);
//201 return - correct sc since a new resource has been created.
var courseToReturn = _mapper.Map <CourseDto>(courseToAdd);
return(CreatedAtRoute("GetCourseForAuthor",
new { authorId, courseId = courseToReturn.Id }, courseToReturn));
}
// EF core - tracker marks entity as modified.
_mapper.Map(course, courseForAuthorEntity);
await _courseRepository.UpdateCourseAsync(courseForAuthorEntity);
// Status code 204 - no content returned
return(NoContent());
}