/// <summary>
/// 5.0 获取侧边栏最新评论,取6条.
/// </summary>
/// <returns>List集合</returns>
public ActionResult NewComments()
{
IBLL.ICommentService commentService = OperateHelper.Current.serviceSession.CommentService;
List <Comment> newCommentsList = commentService.GetDataListBy(c => c.Status != 0, c => c.SubTime);
List <CommentViewModel> cmtViewModelList = new List <CommentViewModel>(); //视图模型
int j = 6; //取6条还是6条内
//如果最新评论说超过6条，则：
if (newCommentsList.Count > 0)
{
if (newCommentsList.Count < 6)
{
j = newCommentsList.Count;
}
//newCommentsList = newCommentsList.Take<Comment>(j) as List<Comment>;
newCommentsList = newCommentsList.OrderByDescending(c => c.SubTime).Take <Comment>(j).ToList();
string iconUrl; //评论所有人的头像路径
string defaultIconPath = ConfigurationManager.AppSettings["DefaultHeadIcon"];
for (int i = 0; i < j; i++)
{
//1.找评论所属游客的Id
int?cmtVisitorId = newCommentsList[i].VisitorId; //Comment实体的VisitorId可空，因为被设计为：删除用户并不级联删除响应评论。
//2.如果这条评论所属的游客还存在数据库中
if (cmtVisitorId.HasValue)
{
//2.1 先找到它
int?headiconId = newCommentsList[i].Visitor.VisitorIconId;
//2.2 如果这个游客对应的头像没被删除
if (headiconId.HasValue)
{
//找出这个头像地址
iconUrl = newCommentsList[i].Visitor.HeadIcon.IconURL;
}
else
{
iconUrl = defaultIconPath; //加上~才能显示吗？www.zynblog.com
}
}
else
{
iconUrl = defaultIconPath; //否则就给这条评论加一个默认头像
}
//3.0 构造视图模型
CommentViewModel viewmodel = new CommentViewModel()
{
CmtId = newCommentsList[i].Id,
CmtText = newCommentsList[i].CmtText,
CmtArtId = newCommentsList[i].CmtArtId,
CmtIconUrl = iconUrl
};
cmtViewModelList.Add(viewmodel);
}
}
return(PartialView(cmtViewModelList));
}
