/
get_endpoint.go
58 lines (50 loc) · 1.46 KB
/
get_endpoint.go
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package action
import (
"context"
"github.com/alexandria-oss/core/middleware"
"github.com/go-kit/kit/endpoint"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/metrics"
"github.com/maestre3d/alexandria/identity-service/internal/domain"
"github.com/maestre3d/alexandria/identity-service/pkg/user/usecase"
stdopentracing "github.com/opentracing/opentracing-go"
stdzipkin "github.com/openzipkin/zipkin-go"
)
type GetRequest struct {
ID string `json:"id"`
}
type GetResponse struct {
User *domain.User `json:"user"`
Err error `json:"-"`
}
func MakeGetUserEndpoint(svc usecase.UserInteractor, logger log.Logger, duration metrics.Histogram,
tracer stdopentracing.Tracer, zipkinTracer *stdzipkin.Tracer) endpoint.Endpoint {
ep := func(ctx context.Context, request interface{}) (response interface{}, err error) {
req := request.(GetRequest)
user, err := svc.Get(ctx, req.ID)
if err != nil {
return GetResponse{
User: nil,
Err: err,
}, nil
}
return GetResponse{
User: user,
Err: nil,
}, nil
}
// Required resiliency and instrumentation
action := "get"
ep = middleware.WrapResiliency(ep, "user", action)
return middleware.WrapInstrumentation(ep, "user", action, &middleware.WrapInstrumentParams{
logger,
duration,
tracer,
zipkinTracer,
})
}
// compile time assertions for our response types implementing endpoint.Failer.
var (
_ endpoint.Failer = GetResponse{}
)
func (r GetResponse) Failed() error { return r.Err }