public async Task <ServiceResult <PagedDto <ArticleDto> > > GetPagesByTagAsync([FromQuery] ArticlePagingByTagDto pagingDto, long tagId)
{
var validation = pagingDto.Validation();
if (validation.Fail)
{
return(ServiceResult <PagedDto <ArticleDto> > .Failed(validation.Msg));
}
return(await Task.FromResult(await _articleSvc.GetPagesByTagAsync(pagingDto, tagId)));
}
public async Task <ServiceResult <PagedDto <ArticleDto> > > GetPagesByTagAsync(ArticlePagingByTagDto pagingDto, long tagId)
{
pagingDto.Sort = pagingDto.Sort.IsNullOrEmpty() ? "create_time DESC" : pagingDto.Sort.Replace("-", " ");
var articleIds = await _articleTagRepo.Select.Where(at => at.TagId == tagId).ToListAsync(at => at.ArticleId);
var articles = await _articleRepo
.Select
.Include(a => a.Category)
.Include(a => a.User)
.IncludeMany(a => a.Tags)
.Where(a => !a.IsDeleted)
.Where(a => articleIds.Contains(a.Id))
.OrderBy(pagingDto.Sort)
.ToPageListAsync(pagingDto, out long total);
var dtos = articles.Select(a => Mapper.Map <ArticleDto>(a)).ToList();
return(await Task.FromResult(ServiceResult <PagedDto <ArticleDto> > .Successed(new PagedDto <ArticleDto>(dtos, total))));
}
