fiatjaf
42 lines
809 B
Go
42 lines
809 B
Go
package wrappers
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import (
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"context"
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"fmt"
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"iter"
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"fiatjaf.com/nostr"
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"fiatjaf.com/nostr/eventstore"
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)
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var _ nostr.Publisher = DynamicPublisher{}
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type DynamicPublisher struct {
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GetStore func() eventstore.Store
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MaxLimit int
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}
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func (w DynamicPublisher) QueryEvents(filter nostr.Filter) iter.Seq[nostr.Event] {
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return w.GetStore().QueryEvents(filter, w.MaxLimit)
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}
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func (w DynamicPublisher) Publish(ctx context.Context, evt nostr.Event) error {
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if evt.Kind.IsEphemeral() {
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return nil
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}
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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if evt.Kind.IsRegular() {
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if err := w.GetStore().SaveEvent(evt); err != nil && err != eventstore.ErrDupEvent {
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return fmt.Errorf("failed to save: %w", err)
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} else {
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return err
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}
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}
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_, err := w.GetStore().ReplaceEvent(evt)
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return err
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}
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