// url不区分大小写
func Link_GetByUrl(url string) (*Link, error) {
var db *goku.MysqlDB = GetDB()
defer db.Close()
l := new(Link)
urlMd5 := utils.MD5_16(strings.ToLower(url))
err := db.GetStruct(l, "context_md5=? and `status`<>2 order by comment_count desc", urlMd5)
if err != nil {
goku.Logger().Errorln(err.Error())
return nil, err
}
if l.Id > 0 {
return l, nil
}
return nil, nil
}
// 保存link到数据库，如果成功，则返回link的id
func Link_SaveMap(m map[string]interface{}) int64 {
var db *goku.MysqlDB = GetDB()
defer db.Close()
m["create_time"] = time.Now()
//新增link默认投票1次,显示的时候默认减一
m["vote_up"] = 0 //1
m["reddit_score"] = utils.LinkSortAlgorithm(m["create_time"].(time.Time), int64(0), int64(0))
m["context_md5"] = utils.MD5_16(strings.ToLower(m["context"].(string)))
r, err := db.Insert("link", m)
if err != nil {
goku.Logger().Errorln(err.Error())
return 0
}
var id int64
id, err = r.LastInsertId()
if err != nil {
goku.Logger().Errorln(err.Error())
return 0
}
if id > 0 {
uid := m["user_id"].(int64)
// 更新用户的链接计数
IncCountById(db, "user", uid, "link_count", 1)
// 直接推送给自己，自己必须看到
LinkForUser_Add(uid, id, LinkForUser_ByUser)
// 存入`tui_link_for_handle` 链接处理队列表
db.Query("INSERT ignore INTO tui_link_for_handle(link_id,create_time,user_id,insert_time,data_type) VALUES (?, ?, ?, NOW(), ?)",
id, m["create_time"].(time.Time), uid, 1)
redisClient := GetRedis()
defer redisClient.Quit()
// 加入推送队列
// 格式: pushtype,userid,linkid,timestamp
qv := fmt.Sprintf("%v,%v,%v,%v", LinkForUser_ByUser, uid, id, time.Now().Unix())
_, err = redisClient.Lpush(golink.KEY_LIST_PUSH_TO_USER, qv)
if err != nil {
goku.Logger().Errorln(err.Error())
// return 0
}
}
return id
}