public ResponseData <object> AddLikeCount([FromBody] LikePostData postData)
{
ResponseData <object> responseData;
if (SessionHelper.IsExist(postData.Guid))
{
// 文章点赞数增加
ArticleTb article = db.ArticleTb.Where(a => a.articleId == postData.ArticleId).FirstOrDefault();
article.likeCount++;
// 查询记录是否存在
LikeTb oldLikeItem =
db.LikeTb
.Where(l => l.articleId == postData.ArticleId && l.userId == postData.UserId)
.FirstOrDefault();
if (oldLikeItem == null)
{
// 添加到点赞列表
LikeTb likeItem = new LikeTb()
{
userId = postData.UserId,
articleId = postData.ArticleId
};
try
{
db.LikeTb.Add(likeItem);
db.Entry(article).State = System.Data.Entity.EntityState.Modified;
if (db.SaveChanges() > 0)
{
responseData = ResponseHelper <object> .SendSuccessResponse(new List <object> {
article.likeCount
});
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("点赞失败");
}
}
catch (Exception ex)
{
responseData = ResponseHelper <object> .SendErrorResponse(ex.Message);
}
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("已经点过一次赞了");
}
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("未登录", Models.StatusCode.OPERATION_ERROR);
}
return(responseData);
}
public ResponseData <object> DeleteLikeCount([FromBody] LikePostData postData)
{
ResponseData <object> responseData;
if (SessionHelper.IsExist(postData.Guid))
{
// 文章点赞数减少
ArticleTb article = db.ArticleTb.Where(a => a.articleId == postData.ArticleId).FirstOrDefault();
article.likeCount--;
try
{
// 获取点赞列表
LikeTb likeItem =
db.LikeTb
.Where(l => l.articleId == postData.ArticleId && l.userId == postData.UserId)
.FirstOrDefault();
if (likeItem != null)
{
db.LikeTb.Remove(likeItem);
if (db.SaveChanges() > 0)
{
responseData = ResponseHelper <object> .SendSuccessResponse(new List <object> {
article.likeCount
});
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("取消点赞失败");
}
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("未点赞，不能取消", Models.StatusCode.OPERATION_ERROR);
}
}
catch (Exception ex)
{
responseData = ResponseHelper <object> .SendErrorResponse(ex.Message);
}
}
else
{
responseData = ResponseHelper <object> .SendErrorResponse("未登录", Models.StatusCode.OPERATION_ERROR);
}
return(responseData);
}
