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Allow batching in JetStreamConsumer (#2686)

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This allows us to receive more than one message from NATS at a time if we want.
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Neil Alexander 2022-08-31 12:21:56 +01:00 • committed by GitHub
parent ba0b3adab4
commit 175f65407a
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19 changed files with 88 additions and 55 deletions
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5
syncapi/consumers/presence.go
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@ -128,12 +128,13 @@ func (s *PresenceConsumer) Start() error {
return nil
}
return jetstream.JetStreamConsumer(
s.ctx, s.jetstream, s.presenceTopic, s.durable, s.onMessage,
s.ctx, s.jetstream, s.presenceTopic, s.durable, 1, s.onMessage,
nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
)
}
func (s *PresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
func (s *PresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
msg := msgs[0] // Guaranteed to exist if onMessage is called
userID := msg.Header.Get(jetstream.UserID)
presence := msg.Header.Get("presence")
timestamp := msg.Header.Get("last_active_ts")