private void ExtractItems()
{
bool extractText = false;
bool extractImgs = false;
bool extractVideo = false;
bool extractSharedItem = false;
switch (momentInfo.momentType)
{
case MomentType.TextOnly:
extractText = true;
break;
case MomentType.WithImg:
extractText = true;
extractImgs = true;
break;
case MomentType.WithShortVideo:
extractText = true;
extractVideo = true;
break;
case MomentType.Shared:
extractText = true;
extractSharedItem = true;
break;
}
for (int i = 0; i < _object.Count; i++)
{
Type currentNodeType = _object[i].GetType();
if (currentNodeType == typeof(NSDictionary))
{
NSDictionary currentItem = (NSDictionary)_object[i];
if (currentItem.ContainsKey("bDeleted"))//评论或点赞
{
DateTime time = TimeUtil.TimeStamp2Datetime(currentItem["createTime"].ToString());
string type = currentItem["type"].ToString();
if (type.ToString() == "1")//点赞
{
IExtractor <LikedInfo> likeExtractor = new LikeExtractor(_object, i, time);
likes.Add(likeExtractor.Extract());
}
else if (type.ToString() == "2")//评论
{
IExtractor <CommentInfo> commentExtractor = new CommentExtractor(_object, i, time);
CommentInfo comment = commentExtractor.Extract();
if (comment != null)
{
comments.Add(comment);
}
}
}
else if (extractText && currentItem.ContainsValue("WCAppInfo"))//文字
{
IExtractor <string> textExtractor = new TextExtractor(_object, i, momentInfo.posterInfo);
momentInfo.momentText = textExtractor.Extract();
}
else if (extractImgs && currentItem.ContainsKey("encIdx"))//附图
{
IExtractor <Uri> imgExtractor = new ImgExtractor(_object, i);
Uri imgUrl = imgExtractor.Extract();
if (imgUrl != null)
{
imgs.Add(imgUrl);
}
}
else if (extractVideo && currentItem.ContainsValue("WCUrl"))//视频
{
IExtractor <Uri> shortVideoExtractor = new ShortVideoExtractor(_object, i);
momentInfo.shortVideoUrl = shortVideoExtractor.Extract();
}
//else if (extractSharedItem)//分享
//{
// IExtractor<SharedItem> sharedExtractor = new SharedExtractor(_object, i);
// momentInfo.sharedItem = sharedExtractor.Extract();
//}
}
else if (extractSharedItem && currentNodeType == typeof(NSString))
{
NSString currentItem = (NSString)_object[i];
if (currentItem.Content == "WeChat Sight")//微视分享
{
IExtractor <SharedItem> weishiSharedExtractor = new WeishiSharedExtractor(_object, i);
momentInfo.sharedItem = weishiSharedExtractor.Extract();
}
}
}
}