forked from wrenn/wrenn
pptx704
172413e91e
Reviewed-on: wrenn/wrenn#15 Co-authored-by: pptx704 <rafeed@omukk.dev> Co-committed-by: pptx704 <rafeed@omukk.dev>
45 lines
1.0 KiB
Go
45 lines
1.0 KiB
Go
package channels
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import (
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"context"
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"encoding/json"
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"log/slog"
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"github.com/redis/go-redis/v9"
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"git.omukk.dev/wrenn/wrenn/internal/events"
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)
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const streamKey = "wrenn:events"
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// Publisher pushes events onto the Redis stream for the dispatcher to consume.
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type Publisher struct {
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rdb *redis.Client
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}
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// NewPublisher constructs an event publisher.
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func NewPublisher(rdb *redis.Client) *Publisher {
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return &Publisher{rdb: rdb}
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}
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// Publish serializes the event and appends it to the global stream.
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// Fire-and-forget: failures are logged, never propagated.
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func (p *Publisher) Publish(ctx context.Context, e events.Event) {
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payload, err := json.Marshal(e)
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if err != nil {
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slog.Warn("channels: failed to marshal event", "event", e.Event, "error", err)
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return
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}
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if err := p.rdb.XAdd(ctx, &redis.XAddArgs{
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Stream: streamKey,
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MaxLen: 10000,
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Approx: true,
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Values: map[string]interface{}{
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"payload": string(payload),
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},
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}).Err(); err != nil {
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slog.Warn("channels: failed to publish event", "event", e.Event, "error", err)
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}
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}
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