Move loaded history pointer to message view
When it was in the history manager, it wouldn't get unloaded when the room was unloaded. Hopefully fixes #136
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4e2cbf1e4f
commit
2cebe3b5dc
@ -55,7 +55,7 @@ type MatrixContainer interface {
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CreateRoom(req *mautrix.ReqCreateRoom) (*rooms.Room, error)
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FetchMembers(room *rooms.Room) error
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GetHistory(room *rooms.Room, limit int) ([]*muksevt.Event, error)
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GetHistory(room *rooms.Room, limit int, dbPointer uint64) ([]*muksevt.Event, uint64, error)
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GetEvent(room *rooms.Room, eventID id.EventID) (*muksevt.Event, error)
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GetRoom(roomID id.RoomID) *rooms.Room
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GetOrCreateRoom(roomID id.RoomID) *rooms.Room
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@ -26,10 +26,11 @@ import (
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sync "github.com/sasha-s/go-deadlock"
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bolt "go.etcd.io/bbolt"
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"maunium.net/go/gomuks/matrix/muksevt"
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"maunium.net/go/gomuks/matrix/rooms"
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"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/id"
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"maunium.net/go/gomuks/matrix/muksevt"
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"maunium.net/go/gomuks/matrix/rooms"
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)
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type HistoryManager struct {
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@ -37,8 +38,7 @@ type HistoryManager struct {
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db *bolt.DB
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historyEndPtr map[*rooms.Room]uint64
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historyLoadPtr map[*rooms.Room]uint64
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historyEndPtr map[*rooms.Room]uint64
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}
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var bucketRoomStreams = []byte("room_streams")
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@ -49,8 +49,7 @@ const halfUint64 = ^uint64(0) >> 1
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func NewHistoryManager(dbPath string) (*HistoryManager, error) {
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hm := &HistoryManager{
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historyEndPtr: make(map[*rooms.Room]uint64),
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historyLoadPtr: make(map[*rooms.Room]uint64),
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historyEndPtr: make(map[*rooms.Room]uint64),
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}
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db, err := bolt.Open(dbPath, 0600, &bolt.Options{
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Timeout: 1,
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@ -142,18 +141,19 @@ func (hm *HistoryManager) Update(room *rooms.Room, eventID id.EventID, update fu
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}
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func (hm *HistoryManager) Append(room *rooms.Room, events []*event.Event) ([]*muksevt.Event, error) {
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return hm.store(room, events, true)
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muksEvts, _, err := hm.store(room, events, true)
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return muksEvts, err
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}
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func (hm *HistoryManager) Prepend(room *rooms.Room, events []*event.Event) ([]*muksevt.Event, error) {
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func (hm *HistoryManager) Prepend(room *rooms.Room, events []*event.Event) ([]*muksevt.Event, uint64, error) {
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return hm.store(room, events, false)
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}
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func (hm *HistoryManager) store(room *rooms.Room, events []*event.Event, append bool) ([]*muksevt.Event, error) {
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func (hm *HistoryManager) store(room *rooms.Room, events []*event.Event, append bool) (newEvents []*muksevt.Event, newPtrStart uint64, err error) {
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hm.Lock()
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defer hm.Unlock()
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newEvents := make([]*muksevt.Event, len(events))
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err := hm.db.Update(func(tx *bolt.Tx) error {
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newEvents = make([]*muksevt.Event, len(events))
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err = hm.db.Update(func(tx *bolt.Tx) error {
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streamPointers := tx.Bucket(bucketStreamPointers)
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rid := []byte(room.ID)
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stream, err := tx.Bucket(bucketRoomStreams).CreateBucketIfNotExists(rid)
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@ -205,6 +205,8 @@ func (hm *HistoryManager) store(room *rooms.Room, events []*event.Event, append
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}
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}
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hm.historyEndPtr[room] = ptrStart + eventCount
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// TODO this is not the correct value for newPtrStart, figure out what the f*ck is going on here
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newPtrStart = ptrStart + eventCount
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err := streamPointers.Put(rid, itob(ptrStart+eventCount))
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if err != nil {
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return err
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@ -213,10 +215,10 @@ func (hm *HistoryManager) store(room *rooms.Room, events []*event.Event, append
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return nil
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})
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return newEvents, err
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return
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}
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func (hm *HistoryManager) Load(room *rooms.Room, num int) (events []*muksevt.Event, err error) {
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func (hm *HistoryManager) Load(room *rooms.Room, num int, ptrStart uint64) (events []*muksevt.Event, newPtrStart uint64, err error) {
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hm.Lock()
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defer hm.Unlock()
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err = hm.db.View(func(tx *bolt.Tx) error {
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@ -224,8 +226,7 @@ func (hm *HistoryManager) Load(room *rooms.Room, num int) (events []*muksevt.Eve
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if stream == nil {
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return nil
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}
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ptrStart, ok := hm.historyLoadPtr[room]
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if !ok {
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if ptrStart == 0 {
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ptrStart = stream.Sequence() + 1
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}
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c := stream.Cursor()
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@ -234,7 +235,7 @@ func (hm *HistoryManager) Load(room *rooms.Room, num int) (events []*muksevt.Eve
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if k == nil || ptrStartFound >= ptrStart {
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return nil
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}
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hm.historyLoadPtr[room] = ptrStartFound - 1
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newPtrStart = ptrStartFound
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for ; k != nil && btoi(k) < ptrStart; k, v = c.Next() {
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evt, parseError := unmarshalEvent(v)
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if parseError != nil {
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@ -268,7 +269,7 @@ func btoi(b []byte) uint64 {
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func stripRaw(evt *muksevt.Event) {
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evtCopy := *evt.Event
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evtCopy.Content = event.Content{
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Parsed: evt.Content.Parsed,
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Parsed: evt.Content.Parsed,
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}
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evt.Event = &evtCopy
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}
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@ -966,18 +966,18 @@ func (c *Container) FetchMembers(room *rooms.Room) error {
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}
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// GetHistory fetches room history.
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func (c *Container) GetHistory(room *rooms.Room, limit int) ([]*muksevt.Event, error) {
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events, err := c.history.Load(room, limit)
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func (c *Container) GetHistory(room *rooms.Room, limit int, dbPointer uint64) ([]*muksevt.Event, uint64, error) {
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events, newDBPointer, err := c.history.Load(room, limit, dbPointer)
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if err != nil {
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return nil, err
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return nil, dbPointer, err
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}
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if len(events) > 0 {
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debug.Printf("Loaded %d events for %s from local cache", len(events), room.ID)
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return events, nil
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return events, newDBPointer, nil
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}
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resp, err := c.client.Messages(room.ID, room.PrevBatch, "", 'b', limit)
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if err != nil {
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return nil, err
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return nil, dbPointer, err
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}
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debug.Printf("Loaded %d events for %s from server from %s to %s", len(resp.Chunk), room.ID, resp.Start, resp.End)
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for i, evt := range resp.Chunk {
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@ -1002,13 +1002,14 @@ func (c *Container) GetHistory(room *rooms.Room, limit int) ([]*muksevt.Event, e
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room.PrevBatch = resp.End
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c.config.Rooms.Put(room)
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if len(resp.Chunk) == 0 {
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return []*muksevt.Event{}, nil
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return []*muksevt.Event{}, dbPointer, nil
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}
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events, err = c.history.Prepend(room, resp.Chunk)
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// TODO newDBPointer isn't accurate in this case yet, fix later
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events, newDBPointer, err = c.history.Prepend(room, resp.Chunk)
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if err != nil {
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return nil, err
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return nil, dbPointer, err
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}
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return events, nil
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return events, dbPointer, nil
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}
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func (c *Container) GetEvent(room *rooms.Room, eventID id.EventID) (*muksevt.Event, error) {
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@ -51,6 +51,7 @@ type MessageView struct {
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// Used for locking
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loadingMessages int32
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historyLoadPtr uint64
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_widestSender uint32
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_prevWidestSender uint32
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@ -109,6 +110,7 @@ func (view *MessageView) Unload() {
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view.ScrollOffset = 0
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view._widestSender = 5
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view.prevMsgCount = -1
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view.historyLoadPtr = 0
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view.messagesLock.Unlock()
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view.msgBufferLock.Unlock()
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view.messageIDLock.Unlock()
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@ -461,13 +461,15 @@ func (view *MainView) LoadHistory(roomID id.RoomID) {
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// Update the "Loading more messages..." text
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view.parent.Render()
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history, err := view.matrix.GetHistory(roomView.Room, 50)
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history, newLoadPtr, err := view.matrix.GetHistory(roomView.Room, 50, msgView.historyLoadPtr)
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if err != nil {
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roomView.AddServiceMessage("Failed to fetch history")
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debug.Print("Failed to fetch history for", roomView.Room.ID, err)
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view.parent.Render()
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return
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}
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//debug.Printf("Load pointer %d -> %d", msgView.historyLoadPtr, newLoadPtr)
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msgView.historyLoadPtr = newLoadPtr
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for _, evt := range history {
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roomView.AddHistoryEvent(evt)
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}
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