Files
qvyun/backend/app/events/subscribers/post_deleted.go
2025-01-15 20:31:21 +08:00

61 lines
1.4 KiB
Go

package subscribers
import (
"context"
"encoding/json"
"backend/app/events"
"backend/app/events/publishers"
"backend/app/http/posts"
"backend/providers/job"
"git.ipao.vip/rogeecn/atom/contracts"
"github.com/ThreeDotsLabs/watermill/message"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
var _ contracts.EventHandler = (*PostDeleted)(nil)
// @provider(event)
type PostDeleted struct {
log *logrus.Entry `inject:"false"`
postSvc *posts.Service
job *job.Job
}
func (e *PostDeleted) Prepare() error {
e.log = logrus.WithField("module", "events.subscribers.post_deleted")
return nil
}
// PublishToTopic implements contracts.EventHandler.
func (e *PostDeleted) PublishToTopic() string {
return events.TopicProcessed
}
// Topic implements contracts.EventHandler.
func (e *PostDeleted) Topic() string {
return events.TopicPostDeleted
}
// Handler implements contracts.EventHandler.
func (e *PostDeleted) Handler(msg *message.Message) ([]*message.Message, error) {
var payload publishers.PostDeleted
err := json.Unmarshal(msg.Payload, &payload)
if err != nil {
return nil, err
}
e.log.Infof("received event %s", msg.Payload)
post, err := e.postSvc.ForceGetPostByID(context.Background(), payload.ID)
if err != nil {
return nil, errors.Wrapf(err, "failed to get item by id: %d", payload.ID)
}
_ = post
// TODO: handle post deletion
return nil, nil
}