68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package rabbitmq
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import (
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"context"
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"errors"
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"time"
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)
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type LikeMQ struct {
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*RabbitMQ
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}
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const (
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likeExchange = "like.events"
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likeQueue = "like.events"
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likeBindingKey = "like.*"
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likeLikeRK = "like.like"
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likeUnlikeRK = "like.unlike"
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)
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type LikeEvent struct {
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EventID string `json:"event_id"`
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Action string `json:"action"`
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UserID uint `json:"user_id"`
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VideoID uint `json:"video_id"`
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OccurredAt time.Time `json:"occurred_at"`
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}
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func NewLikeMQ(base *RabbitMQ) (*LikeMQ, error) {
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if base == nil {
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return nil, errors.New("rabbitmq base is nil")
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}
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if err := base.DeclareTopic(likeExchange, likeQueue, likeBindingKey); err != nil {
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return nil, err
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}
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return &LikeMQ{RabbitMQ: base}, nil
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}
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func (l *LikeMQ) Like(ctx context.Context, userID, videoID uint) error {
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return l.publish(ctx, "like", likeLikeRK, userID, videoID)
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}
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func (l *LikeMQ) Unlike(ctx context.Context, userID, videoID uint) error {
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return l.publish(ctx, "unlike", likeUnlikeRK, userID, videoID)
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}
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func (l *LikeMQ) publish(ctx context.Context, action, routingKey string, userID, videoID uint) error {
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if l == nil || l.RabbitMQ == nil {
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return errors.New("like mq is not initialized")
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}
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if userID == 0 || videoID == 0 {
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return errors.New("userID and videoID are required")
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}
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id, err := newEventID(16)
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if err != nil {
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return err
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}
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event := LikeEvent{
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EventID: id,
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Action: action,
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UserID: userID,
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VideoID: videoID,
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OccurredAt: time.Now(),
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}
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return l.PublishJSON(ctx, likeExchange, routingKey, event)
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}
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