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stateManager.go
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stateManager.go
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package youtube
import (
localdb "github.com/Sora233/DDBOT/lsp/buntdb"
"github.com/Sora233/DDBOT/lsp/concern_manager"
"github.com/tidwall/buntdb"
"time"
)
type StateManager struct {
*concern_manager.StateManager
*extraKey
}
func (s *StateManager) AddInfo(info *Info) error {
return s.RWCoverTx(func(tx *buntdb.Tx) error {
infoKey := s.InfoKey(info.ChannelId)
_, _, err := tx.Set(infoKey, info.ToString(), localdb.ExpireOption(time.Hour*24*7))
return err
})
}
func (s *StateManager) GetInfo(channelId string) (info *Info, err error) {
err = s.RCoverTx(func(tx *buntdb.Tx) error {
infoKey := s.InfoKey(channelId)
val, err := tx.Get(infoKey)
if err != nil {
return err
}
info = new(Info)
return json.Unmarshal([]byte(val), info)
})
if err != nil {
return nil, err
}
return
}
func (s *StateManager) GetVideo(channelId string, videoId string) (*VideoInfo, error) {
var v = new(VideoInfo)
err := s.RCoverTx(func(tx *buntdb.Tx) error {
key := s.VideoKey(channelId, videoId)
val, err := tx.Get(key)
if err != nil {
return err
}
err = json.Unmarshal([]byte(val), v)
return err
})
if err != nil {
return nil, err
}
return v, nil
}
func (s *StateManager) AddVideo(v *VideoInfo) error {
return s.RWCoverTx(func(tx *buntdb.Tx) error {
key := s.VideoKey(v.ChannelId, v.VideoId)
b, err := json.Marshal(v)
if err != nil {
return err
}
_, _, err = tx.Set(key, string(b), localdb.ExpireOption(time.Hour*24))
return err
})
}
func (s *StateManager) Start() error {
db, err := localdb.GetClient()
if err == nil {
db.CreateIndex(s.GroupConcernStateKey(), s.GroupConcernStateKey("*"), buntdb.IndexString)
db.CreateIndex(s.FreshKey(), s.FreshKey("*"), buntdb.IndexString)
db.CreateIndex(s.UserInfoKey(), s.UserInfoKey("*"), buntdb.IndexString)
}
return s.StateManager.Start()
}
func NewStateManager() *StateManager {
sm := new(StateManager)
sm.extraKey = NewExtraKey()
sm.StateManager = concern_manager.NewStateManager(NewKeySet(), true)
return sm
}