public JsonResult List(ExpertQuestionSearchInput searchInput)
{
using (var result = new ResponseResult <List <ExpertQuestionListOutput> >())
{
long totalCount;
var isOpen = searchInput.IsOpen > 0;
Expression <Func <T_QUESTION, bool> > predicate;
Expression <Func <T_QUESTION, bool> > carouselPredicate;
if (searchInput.IsOpen == 0)
{
carouselPredicate = m => !m.IsDeleted && !m.IsOpen && m.IsPutOnCarousel;
}
else
{
carouselPredicate = m => !m.IsDeleted && m.IsOpen && m.IsPutOnCarousel;
}
var carouselList = _expertQuestionService.GetAll(carouselPredicate, null, m => m.LastModifiedTime, 1, 3,
out totalCount, "User");
var carouselQuestionIdList = carouselList.Select(m => m.Id).ToArray();
if (!string.IsNullOrEmpty(searchInput.Keywords))
{
predicate =
m =>
!m.IsDeleted && !carouselQuestionIdList.Contains(m.Id) &&
m.Title.Contains(searchInput.Keywords) && m.IsOpen == isOpen;
}
else
{
predicate = m => !m.IsDeleted && !carouselQuestionIdList.Contains(m.Id) && m.IsOpen == isOpen;
}
var list = _expertQuestionService.GetAll(predicate, null, m => m.LastModifiedTime, searchInput.PageIndex,
searchInput.PageSize, out totalCount, "User");
var enumerable = list as T_QUESTION[] ?? list.ToArray();
if (enumerable.Any())
{
result.Entity = Mapper.Map <List <ExpertQuestionListOutput> >(list);
//从每个问题条目中提取一个图片编号
var pictureIdDictionary = new Dictionary <long, long>();
GetOnePictureIdFromPerQuestion(enumerable, pictureIdDictionary);
var picIdArray = pictureIdDictionary.Values.ToArray();
//根据图片编号列表获取图片信息
var fileInfoList = _fileInfoRepository.GetAll(m => picIdArray.Contains(m.Id));
//图片路径赋值
foreach (var item in result.Entity)
{
if (!pictureIdDictionary.ContainsKey(item.QuestionId))
{
continue;
}
var fileInfo = fileInfoList.FirstOrDefault(m => m.Id == pictureIdDictionary[item.QuestionId]);
if (fileInfo != null)
{
item.PictureUrl = fileInfo.Path;
}
}
}
result.TotalNums = totalCount;
return(new JsonResultEx(result));
}
}
