forked from keybase/client
/
replyto.go
196 lines (178 loc) · 5.17 KB
/
replyto.go
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package chat
import (
"context"
"github.com/keybase/client/go/chat/globals"
"github.com/keybase/client/go/chat/storage"
"github.com/keybase/client/go/chat/utils"
"github.com/keybase/client/go/protocol/chat1"
"github.com/keybase/client/go/protocol/gregor1"
)
type fillerReplyMsgs struct {
msgIDs map[chat1.MessageID]bool
fetcher getMessagesFunc
}
func newFillerReplyMsgs(fetcher getMessagesFunc) *fillerReplyMsgs {
return &fillerReplyMsgs{
msgIDs: make(map[chat1.MessageID]bool),
fetcher: fetcher,
}
}
func (f *fillerReplyMsgs) add(msgID chat1.MessageID) {
f.msgIDs[msgID] = true
}
func (f *fillerReplyMsgs) fill(ctx context.Context, uid gregor1.UID, convID chat1.ConversationID) (res []chat1.MessageUnboxed, err error) {
var msgIDs []chat1.MessageID
for msgID := range f.msgIDs {
msgIDs = append(msgIDs, msgID)
}
if len(msgIDs) == 0 {
return nil, nil
}
return f.fetcher(ctx, convID, uid, msgIDs, nil, nil, false)
}
func LocalOnlyReplyFill(enabled bool) func(*ReplyFiller) {
return func(f *ReplyFiller) {
f.SetLocalOnlyReplyFill(enabled)
}
}
type ReplyFiller struct {
globals.Contextified
utils.DebugLabeler
localOnly bool
}
func NewReplyFiller(g *globals.Context, config ...func(*ReplyFiller)) *ReplyFiller {
f := &ReplyFiller{
Contextified: globals.NewContextified(g),
DebugLabeler: utils.NewDebugLabeler(g.ExternalG(), "ReplyFiller", false),
}
for _, c := range config {
c(f)
}
return f
}
func (f *ReplyFiller) SetLocalOnlyReplyFill(enabled bool) {
f.localOnly = enabled
}
func (f *ReplyFiller) localFetcher(ctx context.Context, convID chat1.ConversationID,
uid gregor1.UID, msgIDs []chat1.MessageID, _ *chat1.GetThreadReason, _ func() chat1.RemoteInterface,
_ bool) (res []chat1.MessageUnboxed, err error) {
msgs, err := storage.New(f.G(), nil).FetchMessages(ctx, convID, uid, msgIDs)
if err != nil {
return nil, err
}
for _, msg := range msgs {
if msg != nil {
res = append(res, *msg)
}
}
return res, nil
}
func (f *ReplyFiller) validReplyTo(msgID *chat1.MessageID) bool {
return msgID != nil && *msgID > 0
}
func (f *ReplyFiller) getReplyTo(msg chat1.MessageUnboxed) *chat1.MessageID {
st, err := msg.State()
if err != nil {
return nil
}
switch st {
case chat1.MessageUnboxedState_VALID:
if msg.Valid().MessageBody.IsType(chat1.MessageType_TEXT) &&
f.validReplyTo(msg.Valid().MessageBody.Text().ReplyTo) {
return msg.Valid().MessageBody.Text().ReplyTo
}
case chat1.MessageUnboxedState_OUTBOX:
if msg.Outbox().PrepareOpts != nil && f.validReplyTo(msg.Outbox().PrepareOpts.ReplyTo) {
return msg.Outbox().PrepareOpts.ReplyTo
}
}
return nil
}
func (f *ReplyFiller) FillSingle(ctx context.Context, uid gregor1.UID, convID chat1.ConversationID,
msg chat1.MessageUnboxed) (res chat1.MessageUnboxed, err error) {
msgs, err := f.Fill(ctx, uid, convID, []chat1.MessageUnboxed{msg})
if err != nil {
return res, err
}
if len(msgs) == 0 {
return msg, nil
}
return msgs[0], nil
}
func (f *ReplyFiller) Fill(ctx context.Context, uid gregor1.UID, convID chat1.ConversationID,
msgs []chat1.MessageUnboxed) (res []chat1.MessageUnboxed, err error) {
defer f.Trace(ctx, &err, "Fill: %s", convID)()
// Gather up the message IDs we need
repliedToMsgIDsLocal := newFillerReplyMsgs(f.localFetcher)
repliedToMsgIDsRemote := newFillerReplyMsgs(f.G().ConvSource.GetMessages)
for _, msg := range msgs {
st, err := msg.State()
if err != nil {
continue
}
switch st {
case chat1.MessageUnboxedState_VALID:
if msgID := f.getReplyTo(msg); msgID != nil {
if f.localOnly {
repliedToMsgIDsLocal.add(*msgID)
} else {
repliedToMsgIDsRemote.add(*msgID)
}
}
case chat1.MessageUnboxedState_OUTBOX:
if msgID := f.getReplyTo(msg); msgID != nil {
repliedToMsgIDsLocal.add(*msgID)
}
}
}
// Fetch messages
localMsgs, err := repliedToMsgIDsLocal.fill(ctx, uid, convID)
if err != nil {
f.Debug(ctx, "Fill: failed to get local messages: %s", err)
return res, err
}
remoteMsgs, err := repliedToMsgIDsRemote.fill(ctx, uid, convID)
if err != nil {
f.Debug(ctx, "Fill: failed to get remote messages: %s", err)
return res, err
}
origMsgs := append(localMsgs, remoteMsgs...)
transform := newBasicSupersedesTransform(f.G(), basicSupersedesTransformOpts{
UseDeletePlaceholders: true,
})
allMsgs, err := transform.Run(ctx, convID, uid, origMsgs, nil)
if err != nil {
f.Debug(ctx, "Fill: failed to supersede replies: %s", err)
return res, err
}
replyMap := make(map[chat1.MessageID]chat1.MessageUnboxed)
for _, msg := range allMsgs {
replyMap[msg.GetMessageID()] = msg
}
// Modify messages
res = make([]chat1.MessageUnboxed, len(msgs))
for index, msg := range msgs {
res[index] = msg
if replyToID := f.getReplyTo(msg); replyToID != nil {
st, err := msg.State()
if err != nil {
continue
}
replyTo, found := replyMap[*replyToID]
if !found {
continue
}
switch st {
case chat1.MessageUnboxedState_VALID:
mvalid := msg.Valid()
mvalid.ReplyTo = &replyTo
res[index] = chat1.NewMessageUnboxedWithValid(mvalid)
case chat1.MessageUnboxedState_OUTBOX:
obr := msg.Outbox()
obr.ReplyTo = &replyTo
res[index] = chat1.NewMessageUnboxedWithOutbox(obr)
}
}
}
return res, nil
}