d8bca16362
- RabbitMQ 结构体移除共享 Ch 字段，仅管理 Connection - 每个MQ组件(Like/Comment/Social/Popularity/Timeline)持有独立 Channel - Timeline Consumer 使用独立 Channel 并加入自动重连机制 - Redis 操作超时从 50ms 调整为 500ms，避免 NACK 循环 - router.go 中 notification 相关逻辑适配新 API
64 lines
1.4 KiB
Go
64 lines
1.4 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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amqp "github.com/rabbitmq/amqp091-go"
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)
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type PopularityMQ struct {
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ch *amqp.Channel
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}
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const (
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popularityExchange = "video.popularity.events"
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popularityQueue = "video.popularity.events"
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popularityBindingKey = "video.popularity.*"
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popularityUpdateRK = "video.popularity.update"
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)
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type PopularityEvent struct {
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EventID string `json:"event_id"`
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VideoID uint `json:"video_id"`
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Change int64 `json:"change"`
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OccurredAt time.Time `json:"occurred_at"`
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}
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func NewPopularityMQ(base *RabbitMQ) (*PopularityMQ, 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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ch, err := base.NewChannel()
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if err != nil {
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return nil, err
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}
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if err := DeclareTopic(ch, popularityExchange, popularityQueue, popularityBindingKey); err != nil {
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ch.Close()
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return nil, err
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}
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return &PopularityMQ{ch: ch}, nil
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}
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func (p *PopularityMQ) Update(ctx context.Context, videoID uint, change int64) error {
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if p == nil || p.ch == nil {
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return errors.New("popularity mq is not initialized")
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}
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if videoID == 0 || change == 0 {
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return errors.New("videoID and change 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 := PopularityEvent{
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EventID: id,
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VideoID: videoID,
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Change: change,
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OccurredAt: time.Now().UTC(),
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}
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return PublishJSON(ctx, p.ch, popularityExchange, popularityUpdateRK, event)
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}
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