// Get posted tribbles
func (ts *Tribserver) GetTribbles(
args *tp.GetTribblesArgs, reply *tp.GetTribblesReply) error {
user_key := fmt.Sprintf("%s:U", args.Userid)
trib_key := fmt.Sprintf("%s:T", args.Userid)
if _, err := ts.store.Get(user_key); err != nil {
reply.Status = tp.ENOSUCHUSER
return nil
}
var ids []string
var err error
if ids, err = ts.store.GetList(trib_key); err != nil {
reply.Status = tp.ENOSUCHUSER
return nil
}
length := len(ids)
if length > 100 {
length = 100
}
reply.Tribbles = make([]tp.Tribble, length)
for i := 0; i < length; i++ {
key := fmt.Sprintf("%s:%s:%s", args.Userid, ids[len(ids)-1-i], ts.hostport)
result, err := ts.store.Get(key)
if err != nil {
reply.Status = tp.ENOSUCHUSER
return errors.New("get tribble message error")
}
json.Unmarshal([]byte(result), &(reply.Tribbles[i]))
}
reply.Status = tp.OK
return nil
}
// Collect all bribbles from all users followed
func (ts *Tribserver) GetTribblesBySubscription(
args *tp.GetTribblesArgs, reply *tp.GetTribblesReply) error {
user_key := fmt.Sprintf("%s:U", args.Userid)
foll_key := fmt.Sprintf("%s:F", args.Userid)
if _, err := ts.store.Get(user_key); lsplog.CheckReport(2, err) {
reply.Status = tp.ENOSUCHUSER
return nil
}
follows, err := ts.store.GetList(foll_key)
if lsplog.CheckReport(3, err) {
reply.Status = tp.ENOSUCHUSER
return nil
}
for i := 0; i < len(follows); i++ {
var getargs tp.GetTribblesArgs
var getreply tp.GetTribblesReply
getargs.Userid = follows[i]
err = ts.GetTribbles(&getargs, &getreply)
if lsplog.CheckReport(1, err) {
reply.Status = tp.ENOSUCHUSER
return err
}
reply.Tribbles = append(reply.Tribbles, getreply.Tribbles...)
}
var tribs Tribs = reply.Tribbles
sort.Sort(tribs)
if len(tribs) > 100 {
reply.Tribbles = tribs[:100]
}
reply.Status = tp.OK
return nil
}
