public async Task <IList <TopicTagEntity> > Query(TopicTagQueryModel model)
{
var paging = model.Paging();
var query = Db.Find();
var joinQuery = query.LeftJoin <TopicEntity>((t1, t2) => t1.TopicId == t2.Id)
.LeftJoin <TagEntity>((t1, t2, t3) => t1.TagId == t3.Id)
.LeftJoin <UserEntity>((t1, t2, t3, t4) => t2.UserId == t4.Id);
joinQuery.Where((t1, t2, t3, t4) => t1.TopicId == model.TopicId);
if (!paging.OrderBy.Any())
{
joinQuery.OrderByDescending((t1, t2, t3, t4) => t1.Id);
}
joinQuery.Select((t1, t2, t3, t4) => new
{
t1,
TopicTitle = t2.Title,
TagName = t3.Name,
NickName = t4.NickName
});
var result = await joinQuery.PaginationAsync(paging);
model.TotalCount = paging.TotalCount;
return(result);
}
public async Task <IResultModel> Query(TopicTagQueryModel model)
{
var result = new QueryResultModel <TopicTagEntity>
{
Rows = await _repository.Query(model),
Total = model.TotalCount
};
return(ResultModel.Success(result));
}
public Task <IResultModel> Query([FromQuery] TopicTagQueryModel model)
{
return(_service.Query(model));
}