Method AddScore

models/comments.go:230–263

添加评论内容 添加评分 score的值只能是1-5，然后需要对score x 10，50则表示5.0分

(uid, bookId, score int)

//添加评分
//score的值只能是1-5，然后需要对score x 10，50则表示5.0分
func (this *Score) AddScore(uid, bookId, score int) (err error) {
	//查询评分是否已存在
	o := orm.NewOrm()
	var scoreObj = Score{Uid: uid, BookId: bookId}
	o.Read(&scoreObj, "uid", "book_id")
	if scoreObj.Id > 0 { //评分已存在
		err = errors.New("您已给当前文档打过分了")
		return
	}

	// 评分不存在，添加评分记录
	score = score * 10
	scoreObj.Score = score
	scoreObj.TimeCreate = time.Now()
	o.Insert(&scoreObj)
	if scoreObj.Id > 0 { //评分添加成功，更行当前书籍书籍的评分
		//评分人数+1
		var book = Book{BookId: bookId}
		o.Read(&book, "book_id")
		if book.CntScore == 0 {
			book.CntScore = 1
			book.Score = 0
		} else {
			book.CntScore = book.CntScore + 1
		}
		book.Score = (book.Score*(book.CntScore-1) + score) / book.CntScore
		_, err = o.Update(&book, "cnt_score", "score")
		if err != nil {
			beego.Error(err.Error())
			err = errors.New("评分失败，内部错误")
		}
	}
	return
}

//添加评论
func (this *Comments) AddComments(uid, bookId, pid, docId int, content string) (err error) {