public async Task <IEnumerable <CommentViewModel> > GetCommentsAsync(CommentSearchParams searchParams)
{
User user = await _userManager.FindByIdAsync(searchParams.UserId);
Guard.Against.NullItem(user.Id, nameof(user));
var specification = new CommentFilterSpecification(searchParams);
return(await _commentRepository.ListAsync <CommentViewModel>(specification,
CommentHelpers.GetCommentMapperConfiguration()));
}
public async Task <int> GetCommentsCountAsync(CommentSearchParams searchParams)
{
User user = await _userManager.FindByIdAsync(searchParams.UserId);
Guard.Against.NullItem(user, nameof(user));
Post post = await _postRepository.GetByConditionAsync(x => x.Id == searchParams.PostId);
Guard.Against.NullItem(post, nameof(post));
var specification = new CommentFilterSpecification(searchParams);
return(await _commentRepository.GetTotalCountAsync(specification));
}
public async Task <IActionResult> GetMany([FromQuery] CommentSearchParams searchParams)
{
if (!BaseHelpers.IsPaginatonSearchParamsValid(searchParams, out ErrorResponse errorResponse))
{
return(new BadRequestObjectResult(errorResponse));
}
FilteredDataViewModel <CommentViewModel> result = await _mediator.Send(new GetCommentsQuery(searchParams));
return(Ok(new FilteredResponse <CommentViewModel>(searchParams)
{
Data = result.Data,
Count = result.Count,
}));
}
public CommentFilterSpecification(CommentSearchParams searchParams)
: base(x =>
(string.IsNullOrEmpty(searchParams.UserId) || (x.AuthorId == searchParams.UserId)) &&
(string.IsNullOrEmpty(searchParams.PostId) || (x.PostId == searchParams.PostId))
)
{
AddIncludes(query =>
query.Include(x => x.Author).Include(x => x.CommentVotes)
);
if (searchParams.OrderByDir.ToUpper() == "DESC")
{
ApplyFieldOrderByDescending(searchParams.SortBy);
}
else
{
ApplyFieldOrderBy(searchParams.SortBy);
}
ApplyPaging(searchParams.Offset, searchParams.Limit);
}
public GetCommentsQuery(CommentSearchParams searchParams)
{
SearchParams = searchParams;
}