Ilia Denisov
45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
// Package metricsintentpub wraps a ports.IntentPublisher with the
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// `lobby.notification.publish_attempts` counter from
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// `lobby/README.md` §Observability.
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package metricsintentpub
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import (
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"context"
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"galaxy/lobby/internal/ports"
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"galaxy/lobby/internal/telemetry"
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"galaxy/notificationintent"
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)
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// Publisher decorates an inner ports.IntentPublisher and increments
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// `lobby.notification.publish_attempts` after each call.
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type Publisher struct {
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inner ports.IntentPublisher
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telemetry *telemetry.Runtime
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}
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// New constructs one Publisher around inner. When telemetryRuntime is nil,
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// the wrapper still delegates Publish but does not record metrics.
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func New(inner ports.IntentPublisher, telemetryRuntime *telemetry.Runtime) *Publisher {
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return &Publisher{inner: inner, telemetry: telemetryRuntime}
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}
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// Publish forwards intent to the inner publisher and records the attempt
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// outcome under the frozen `result` attribute (`ok`/`error`).
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func (publisher *Publisher) Publish(ctx context.Context, intent notificationintent.Intent) (string, error) {
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if publisher == nil || publisher.inner == nil {
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return "", nil
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}
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id, err := publisher.inner.Publish(ctx, intent)
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result := "ok"
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if err != nil {
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result = "error"
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}
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publisher.telemetry.RecordNotificationPublish(ctx, string(intent.NotificationType), result)
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return id, err
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}
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// Compile-time interface assertion.
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var _ ports.IntentPublisher = (*Publisher)(nil)
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