57 lines
1.9 KiB
JavaScript
57 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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const client = require('../src/client')
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// const client = require("eventstore-node")
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const resolveLinkTos = false
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const belongsToAUserAggregate = event =>
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event.originalEvent.eventStreamId.startsWith("user-")
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const eventAppeared = (subscription, event) => {
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if (belongsToAUserAggregate(event)) {
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const aggregateId = event.originalEvent.eventStreamId
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const eventId = event.originalEvent.eventId
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const eventType = event.originalEvent.eventType
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console.log(aggregateId, eventType, eventId)
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console.log(event.originalEvent.data.toString())
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}
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}
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const subscriptionDropped = (subscription, reason, error) =>
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console.log(error ? error : "Subscription dropped.")
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const credentials = new client.UserCredentials("admin", "changeit")
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const settings = {}
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const endpoint = "tcp://localhost:1113"
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const connection = client.createConnection(settings, endpoint)
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connection.connect().catch(err => console.log(err))
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connection.on('heartbeatInfo', heartbeatInfo => {
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console.log('Connected to endpoint', heartbeatInfo.remoteEndPoint)
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console.log('Heartbeat latency', heartbeatInfo.responseReceivedAt - heartbeatInfo.requestSentAt)
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})
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connection.once("connected", tcpEndPoint => {
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console.log(`Connected to eventstore at ${tcpEndPoint.host}:${tcpEndPoint.port}`)
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connection.subscribeToAll(
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resolveLinkTos,
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eventAppeared,
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subscriptionDropped,
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credentials
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).then(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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connection.on("error", error =>
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console.log(`Error occurred on connection: ${error}`)
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)
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connection.on("closed", reason =>
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console.log(`Connection closed, reason: ${reason}`)
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)
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