35 lines
799 B
Go
35 lines
799 B
Go
package natsio
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/nats-io/nats.go"
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)
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// Publish ...
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func Publish(stream, subject string, data interface{}) error {
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channel := combineStreamAndSubjectName(stream, subject)
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b, _ := json.Marshal(data)
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_, err := natsJS.PublishAsync(channel, b)
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if err != nil {
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msg := fmt.Sprintf("publish message to subject %s error: %s", channel, err.Error())
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return errors.New(msg)
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}
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return nil
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}
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// Subscribe ...
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func Subscribe(stream, subject string, cb nats.MsgHandler) (*nats.Subscription, error) {
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channel := combineStreamAndSubjectName(stream, subject)
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sub, err := natsJS.Subscribe(channel, cb)
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if err != nil {
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msg := fmt.Sprintf("subscribe subject %s error: %s", channel, err.Error())
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return nil, errors.New(msg)
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}
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return sub, nil
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}
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