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command.go
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command.go
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package aggregate
import (
"context"
"github.com/openline-ai/openline-customer-os/packages/server/events-processing-platform/eventstore"
"github.com/openline-ai/openline-customer-os/packages/server/events-processing-platform/tracing"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/log"
"github.com/pkg/errors"
)
type TenantEventInterface interface {
GetTenant() string
}
func CreateEvent(ctx context.Context, operationName string,
aggregate eventstore.Aggregate, command TenantEventInterface,
createEvent func() (eventstore.Event, error)) error {
span, _ := opentracing.StartSpanFromContext(ctx, operationName)
defer span.Finish()
span.LogFields(log.String("Tenant", command.GetTenant()), log.String("Id", aggregate.GetID()))
event, err := createEvent()
if err != nil {
tracing.TraceErr(span, err)
return errors.Wrap(err, operationName)
}
if err = event.SetMetadata(tracing.ExtractTextMapCarrier(span.Context())); err != nil {
tracing.TraceErr(span, err)
return errors.Wrap(err, operationName)
}
return aggregate.Apply(event)
}