wasm-nats-stream-client/messaging.go
2024-12-17 11:58:01 +01:00

45 lines
1.3 KiB
Go

package main
import (
"github.com/bytecodealliance/wasm-tools-go/cm"
"gitea.rebus.ninja/lore/wasm-nats-stream-client/gen/wasmcloud/messaging/consumer"
"gitea.rebus.ninja/lore/wasm-nats-stream-client/gen/wasmcloud/messaging/types"
logger "gitea.rebus.ninja/lore/wasm-nats-stream-client/gen/wasi/logging/logging"
//config "gitea.rebus.ninja/lore/go-nats-client/gen/wasi/config/runtime"
)
type messagingConsumerAdapter struct {
Publish func(msg types.BrokerMessage) (result cm.Result[string, struct{}, string])
}
// NOTE(lxf): this is overridden in tests
var messagingConsumer = &messagingConsumerAdapter{
Publish: consumer.Publish,
}
func handleMessage(msg types.BrokerMessage) cm.Result[string, struct{}, string] {
logger.Log(logger.LevelInfo,"MessageHandler", "Received message on subject" + msg.Subject)
// TODO implement the logic to get the destination topic from the config
// dest_topic := config.GetAll()
dest_topic := "finish"
// TASK
// Send reply
reply := types.BrokerMessage{
Subject: dest_topic,
Body: msg.Body,
ReplyTo: cm.None[string](),
}
res := messagingConsumer.Publish(reply)
if res.IsErr() {
logger.Log(logger.LevelError, "MessageHandler", "Failed to send reply, error: " + *res.Err())
return res
}
return cm.OK[cm.Result[string, struct{}, string]](struct{}{})
}