codeword/internal/kafka/tariff/producer.go

57 lines
1.3 KiB
Go

package tariff
import (
"codeword/internal/models"
"codeword/internal/utils/transfer"
"context"
"github.com/twmb/franz-go/pkg/kgo"
"go.uber.org/zap"
"google.golang.org/protobuf/proto"
"log"
)
type ProducerDeps struct {
Logger *zap.Logger
Client *kgo.Client
Topic string
}
type Producer struct {
logger *zap.Logger
client *kgo.Client
topic string
}
func NewProducer(deps ProducerDeps) *Producer {
if deps.Logger == nil {
log.Panicln("logger is nil on <NewTariffProducer>")
}
if deps.Client == nil {
log.Panicln("Kafka client is nil on <NewTariffProducer>")
}
return &Producer{
logger: deps.Logger,
client: deps.Client,
topic: deps.Topic,
}
}
func (p *Producer) Send(ctx context.Context, userID string, tariff *models.Tariff) error {
bytes, err := proto.Marshal(transfer.TariffModelToProtoMessage(userID, tariff))
if err != nil {
p.logger.Error("failed to marshal tariff model", zap.Error(err))
return err
}
// упростил, возможно зря, но теперь возвращаем одну ошибку, просто прерываем цикл при первой встретившейся ошибке
err = p.client.ProduceSync(ctx, &kgo.Record{Topic: p.topic, Value: bytes}).FirstErr()
if err != nil {
p.logger.Error("failed to send tariff to Kafka", zap.Error(err))
return err
}
return nil
}