49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package subscribers
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import (
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"encoding/json"
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"backend/app/events"
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"backend/app/events/publishers"
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"git.ipao.vip/rogeecn/atom/contracts"
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"github.com/ThreeDotsLabs/watermill/message"
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"github.com/sirupsen/logrus"
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)
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var _ contracts.EventHandler = (*PostUpdatedSubscriber)(nil)
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// @provider(event)
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type PostUpdatedSubscriber struct {
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log *logrus.Entry `inject:"false"`
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}
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func (e *PostUpdatedSubscriber) Prepare() error {
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e.log = logrus.WithField("module", "events.subscribers.PostUpdatedSubscriber")
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return nil
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}
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// PublishToTopic implements contracts.EventHandler.
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func (e *PostUpdatedSubscriber) PublishToTopic() string {
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return events.TopicProcessed
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}
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// Topic implements contracts.EventHandler.
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func (e *PostUpdatedSubscriber) Topic() string {
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return events.TopicPostUpdated
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}
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// Handler implements contracts.EventHandler.
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func (e *PostUpdatedSubscriber) Handler(msg *message.Message) ([]*message.Message, error) {
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var payload publishers.PostUpdatedEvent
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err := json.Unmarshal(msg.Payload, &payload)
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if err != nil {
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return nil, err
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}
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e.log.Infof("received event %s", msg.Payload)
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// TODO: handle post deletion
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return nil, nil
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}
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