/// <summary>
/// 检查FeedBack信息是否存在
/// </summary>
/// <param name="predicate">检查谓语表达式</param>
/// <param name="id">更新的FeedBack编号</param>
/// <returns>FeedBack信息是否存在</returns>
public async Task <bool> CheckFeedBackExists(Expression <Func <FeedBack, bool> > predicate, int id = 0)
{
return(await Task.Run(() =>
{
return FeedBackRepo.CheckExists(predicate, id);
}));
}
/// <summary>
/// 删除FeedBack信息
/// </summary>
/// <param name="ids">要删除的Id编号</param>
/// <returns>业务操作结果</returns>
public async Task <OperationResult> DeleteFeedBacks(params int[] ids)
{
ids.CheckNotNull("ids");
await FeedBackRepo.RecycleAsync(p => ids.Contains(p.Id));
return(new OperationResult(OperationResultType.Success, "删除成功"));
}
public JsonResult Vote(Vote vote)
{
using (var context = new ApplicationDbContext())
{
FeedBackRepo feedBack = new FeedBackRepo(context);
var userId = User.Identity.GetUserId();
if (context.Votes.Any(x => x.CommentId == vote.CommentId && x.CreatedBy == userId))
{
var type = context.Votes.FirstOrDefault(x => x.CommentId == vote.CommentId && x.CreatedBy == userId);
if (type.Type != vote.Type)
{
type.Type = vote.Type;
vote.CreateDate = DateTime.UtcNow;
context.SaveChanges();
var voteCount = feedBack.CountVote(vote.CommentId);
feedBack.UpdateCommentCount(vote.CommentId, voteCount[0], voteCount[1]);
return(Json(new { like = voteCount[0], dislike = voteCount[1] }, JsonRequestBehavior.AllowGet));
}
else
{
var voteCount = feedBack.CountVote(vote.CommentId);
feedBack.UpdateCommentCount(vote.CommentId, voteCount[0], voteCount[1]);
return(Json(new { like = voteCount[0], dislike = voteCount[1] }, JsonRequestBehavior.AllowGet));
}
}
else
{
if (ModelState.IsValid)
{
vote.CreatedBy = User.Identity.GetUserId();
vote.CreateDate = DateTime.UtcNow;
context.Votes.Add(vote);
context.SaveChanges();
var voteCount = feedBack.CountVote(vote.CommentId);
feedBack.UpdateCommentCount(vote.CommentId, voteCount[0], voteCount[1]);
return(Json(new { like = voteCount[0], dislike = voteCount[1] }, JsonRequestBehavior.AllowGet));
}
}
}
return(Json(false));
}
// GET: FeedBack
public ActionResult Index()
{
FeedBackVM fb = new FeedBackVM();
using (var context = new ApplicationDbContext())
{
FeedBackRepo feedBack = new FeedBackRepo(context);
feedBack.GetAllPosts(1, fb);
}
return(View(fb));
}
public ActionResult Index(FeedBackVM fb)
{
using (var context = new ApplicationDbContext())
{
FeedBackRepo feedBack = new FeedBackRepo(context);
//Reset page count
if (fb.HiddenItemPerPage != fb.ItemPerPage)
{
fb.page = 1;
}
else
{
fb.page = fb.page;
}
fb.HiddenItemPerPage = fb.ItemPerPage;
feedBack.GetAllPosts((int)fb.page, fb);
}
return(View(fb));
}
/// <summary>
/// 保存FeedBack信息(新增/更新)
/// </summary>
/// <param name="updateForeignKey">更新时是否更新外键信息</param>
/// <param name="dtos">要保存的FeedBackDto信息</param>
/// <returns>业务操作集合</returns>
public async Task <OperationResult> SaveFeedBacks(bool updateForeignKey = false, params FeedBackDto[] dtos)
{
try
{
dtos.CheckNotNull("dtos");
var addDtos = dtos.Where(p => p.Id == 0).ToArray();
var updateDtos = dtos.Where(p => p.Id != 0).ToArray();
FeedBackRepo.UnitOfWork.TransactionEnabled = true;
Action <FeedBackDto> checkAction = null;
Func <FeedBackDto, FeedBack, FeedBack> updateFunc = (dto, entity) =>
{
if (dto.Id == 0 || updateForeignKey)
{
entity.UserInfo = UserInfoRepo.GetByKey(dto.UserInfoId);
}
return(entity);
};
if (addDtos.Length > 0)
{
FeedBackRepo.Insert(addDtos, checkAction, updateFunc);
}
if (updateDtos.Length > 0)
{
FeedBackRepo.Update(updateDtos, checkAction, updateFunc);
}
await FeedBackRepo.UnitOfWork.SaveChangesAsync();
return(new OperationResult(OperationResultType.Success, "保存成功"));
}
catch (Exception e)
{
return(new OperationResult(OperationResultType.Error, e.Message));
}
}
/// <summary>
/// 删除FeedBack信息
/// </summary>
/// <param name="ids">要删除的Id编号</param>
/// <returns>业务操作结果</returns>
public async Task <OperationResult> DeleteFeedBacks(params int[] ids)
{
ids.CheckNotNull("ids");
return(await Task.Run(() => FeedBackRepo.Delete(ids)));
}
