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service_stream.go
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service_stream.go
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// Licensed to The Moov Authors under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. The Moov Authors licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package events
import (
"context"
"fmt"
"github.com/moov-io/achgateway/internal/incoming/stream"
"github.com/moov-io/achgateway/internal/service"
"github.com/moov-io/achgateway/pkg/compliance"
"github.com/moov-io/achgateway/pkg/models"
"github.com/moov-io/base/log"
"gocloud.dev/pubsub"
)
type streamService struct {
transformConfig *models.TransformConfig
topic *pubsub.Topic
}
func newStreamService(logger log.Logger, transformConfig *models.TransformConfig, cfg *service.KafkaConfig) (*streamService, error) {
topic, err := stream.Topic(logger, &service.Config{
Inbound: service.Inbound{
Kafka: cfg,
},
})
if err != nil {
return nil, fmt.Errorf("events stream: %v", err)
}
return &streamService{
topic: topic,
transformConfig: transformConfig,
}, nil
}
func (ss *streamService) Send(evt models.Event) error {
bs, err := compliance.Protect(ss.transformConfig, evt)
if err != nil {
return err
}
err = ss.topic.Send(context.Background(), &pubsub.Message{
Body: bs,
})
if err != nil {
return fmt.Errorf("error emitting %s: %v", evt.Type, err)
}
return nil
}