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@ -8,14 +8,15 @@ module.exports = class PubSubMetricsBackend {
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return new PubSubMetricsBackend(undefined, false);
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}
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const { project_id: projectId, credentials: keyFilename } = global.environment.pubSubMetrics;
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const { project_id: projectId, credentials: keyFilename, topic } = global.environment.pubSubMetrics;
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const pubsub = new PubSub({ projectId, keyFilename });
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return new PubSubMetricsBackend(pubsub, true);
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return new PubSubMetricsBackend(pubsub, topic, true);
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}
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constructor (pubSub, enabled) {
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constructor (pubSub, topic, enabled) {
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this.pubsub = pubSub;
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this.topic = topic;
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this.enabled = enabled;
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}
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@ -23,26 +24,19 @@ module.exports = class PubSubMetricsBackend {
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return this.enabled;
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}
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_getTopic () {
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const topicName = global.environment.pubSubMetrics.topic;
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return this.pubsub.topic(topicName);
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}
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sendEvent (event, attributes) {
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if (!this.enabled) {
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return;
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}
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const data = Buffer.from(event);
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const topic = this._getTopic();
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topic.publish(data, attributes)
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this.pubsub.topic(this.topic).publish(data, attributes)
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.then(() => {
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console.log(`PubSubTracker: event '${event}' published to '${topic.name}'`);
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console.log(`PubSubTracker: event '${event}' published to '${this.topic}'`);
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})
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.catch((error) => {
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console.error(`ERROR: pubsub middleware failed to publish event '${event}': ${error.message}`);
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});
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}
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}
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};
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