Method calcReadingTime

models/read_record.go:348–365

在 5 - 600 秒之间的阅读计时，正常计时 在 600 - 1800 秒(半个小时)之间的计时，按最大计时来计算时长 超过半个小时之后才有阅读记录，则在此期间的阅读时长为0

(uid, docId int, t time.Time)

// 在 600 - 1800 秒(半个小时)之间的计时，按最大计时来计算时长
// 超过半个小时之后才有阅读记录，则在此期间的阅读时长为0
func (*ReadRecord) calcReadingTime(uid, docId int, t time.Time) (duration int, lastReadDocId int) {
	r := NewReadRecord()
	rr := r.LastReading(uid, "uid", "doc_id", "created_at")
	if rr.DocId == docId {
		return 0, docId
	}

	rule := r.GetReadingRule()
	diff := int(t.Unix()) - rr.CreateAt
	if diff <= 0 || diff < rule.Min || diff >= rule.Invalid {
		return 0, rr.DocId
	}

	if diff > rule.MaxReward {
		return rule.Max, rr.DocId
	}
	return diff, rr.DocId
}