feat: Update project structure and configuration files

backend/providers/event/provider_kafka.go

@@ -0,0 +1,49 @@
+package event
+
+import (
+	"go.ipao.vip/atom/container"
+	"go.ipao.vip/atom/opt"
+
+	"github.com/ThreeDotsLabs/watermill-kafka/v3/pkg/kafka"
+	"github.com/ThreeDotsLabs/watermill/message"
+)
+
+func ProvideKafka(opts ...opt.Option) error {
+	o := opt.New(opts...)
+	var config Config
+	if err := o.UnmarshalConfig(&config); err != nil {
+		return err
+	}
+
+	return container.Container.Provide(func() (*PubSub, error) {
+		logger := LogrusAdapter()
+
+		publisher, err := kafka.NewPublisher(kafka.PublisherConfig{
+			Brokers:   config.Brokers,
+			Marshaler: kafka.DefaultMarshaler{},
+		}, logger)
+		if err != nil {
+			return nil, err
+		}
+
+		subscriber, err := kafka.NewSubscriber(kafka.SubscriberConfig{
+			Brokers:       config.Brokers,
+			Unmarshaler:   kafka.DefaultMarshaler{},
+			ConsumerGroup: config.ConsumerGroup,
+		}, logger)
+		if err != nil {
+			return nil, err
+		}
+
+		router, err := message.NewRouter(message.RouterConfig{}, logger)
+		if err != nil {
+			return nil, err
+		}
+
+		return &PubSub{
+			Publisher:  publisher,
+			Subscriber: subscriber,
+			Router:     router,
+		}, nil
+	}, o.DiOptions()...)
+}