public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var chapterRepository = _unitOfWork.Repository <Chapter>();
var spec = new ChapterWithChapterVideosAndLessonSpecification(request.ChapterId);
var chapter = await chapterRepository.GetEntityWithSpecificationAsync(spec);
if (chapter == null)
{
throw new RestException(HttpStatusCode.NotFound, "Chapter not found");
}
var videoUploadResult =
await _videoService.UploadVideoAsync(request.File, "OnlineEducation/ChapterVideos");
var chapterVideo = new ChapterVideo
{
PublicId = videoUploadResult.PublicId,
Url = videoUploadResult.Url,
CreatedAt = videoUploadResult.CreatedAt,
};
chapter.ChapterVideos.Add(chapterVideo);
var success = await _unitOfWork.CompleteAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception(ExceptionMessages.ProblemSavingChanges);
}
public async Task <ChapterWithChapterVideosDto> Handle(Query request,
CancellationToken cancellationToken)
{
var chapterRepository = _unitOfWork.Repository <Chapter>();
var spec = new ChapterWithChapterVideosAndLessonSpecification(request.ChapterId);
var chapters = await chapterRepository.GetEntityWithSpecificationAsync(spec);
var mappedData =
_mapper.Map <Chapter, ChapterWithChapterVideosDto>(
chapters);
return(mappedData);
}
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var chapterRepository = _unitOfWork.Repository <Chapter>();
var spec = new ChapterWithChapterVideosAndLessonSpecification(request.ChapterId);
var chapter = await chapterRepository.GetEntityWithSpecificationAsync(spec);
if (chapter == null)
{
throw new RestException(HttpStatusCode.NotFound);
}
var chapterVideo = chapter.ChapterVideos.FirstOrDefault(x => x.Id == request.ChapterVideoId);
if (chapterVideo != null && string.IsNullOrEmpty(chapterVideo.PublicId))
{
throw new RestException(HttpStatusCode.NotFound);
}
var result = await _videoService.DeleteVideoAsync(chapterVideo.PublicId);
if (!result)
{
throw new Exception(ExceptionMessages.ProblemDeletingVideo);
}
chapter.ChapterVideos.Remove(chapterVideo);
var success = await _unitOfWork.CompleteAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception(ExceptionMessages.ProblemSavingChanges);
}