// 获取当个话题详情.
func (c *Topic) GetDetail(id int64) *models.Topic {
var topic models.Topic
attachModule := NewAttach(c.Db)
userModule := NewUser(c.Db)
c.Db.SelectOne(&topic, "select * from topic where topic_id=? limit 1", id)
// 获取背景图片.
attach := attachModule.GetOneAttach(topic.BgId)
topic.Background, _ = attachModule.GetAttachUrl(attach)
// 获取用户名
user := userModule.GetById(topic.UserId)
topic.Author = user.Username
return &topic
}
// Edit one topic.
func (m *Topic) EditOne(uid, tid int64, content string, keywords string, isAdmin bool) (bool, error) {
// get old.
var topic models.Topic
m.Db.SelectOne(&topic, "select * from topic where topic_id=? limit 1", tid)
if topic.Id == 0 {
return false, errors.New("sorry, no found out this topic!")
}
if !isAdmin && topic.UserId != uid {
return false, errors.New("sorry, you just can only edit your self's topic")
}
// update
if content != "" {
topic.Content = content
}
if keywords != "" {
m.EditKeywords(tid, keywords)
}
m.Db.Update(&topic)
return true, nil
}