49 lines
1.9 KiB
JavaScript
49 lines
1.9 KiB
JavaScript
// Subscribe to all new events on the $all stream. Filter out any which aren't about "user" aggregates.
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var esClient = require('../src/client'); // When running in 'eventstore-node/samples' folder.
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// var esClient = require('eventstore-node'); // Otherwise
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const credentialsForAllEventsStream = new esClient.UserCredentials("admin", "changeit");
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const resolveLinkTos = false;
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var esConnection = esClient.createConnection({}, {"hostname": "localhost", "port": 1113});
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esConnection.connect();
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esConnection.once('connected', function (tcpEndPoint) {
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console.log('Connected to eventstore at ' + tcpEndPoint.host + ":" + tcpEndPoint.port);
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esConnection.subscribeToAll(resolveLinkTos, eventAppeared, subscriptionDropped, credentialsForAllEventsStream)
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.then(function(subscription) {
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console.log("subscription.isSubscribedToAll: " + subscription.isSubscribedToAll);
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console.log("(To generate a test event, try running 'node store-event.js' in a separate console.)")
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});
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});
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function belongsToAUserAggregate(event) {
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return event.originalEvent.eventStreamId.startsWith("user-")
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}
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function eventAppeared(subscription, event) {
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// Ignore all events which aren't about users:
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if(belongsToAUserAggregate(event)) {
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var aggregateId = event.originalEvent.eventStreamId;
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var eventId = event.originalEvent.eventId;
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var eventType = event.originalEvent.eventType;
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console.log(aggregateId, eventType, eventId);
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console.log(event.originalEvent.data.toString() + "\n");
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}
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}
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function subscriptionDropped(subscription, reason, error) {
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if (error) {
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console.log(error);
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}
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console.log('Subscription dropped.');
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}
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esConnection.on('error', function (err) {
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console.log('Error occurred on connection:', err);
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});
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esConnection.on('closed', function (reason) {
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console.log('Connection closed, reason:', reason);
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});
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