unistack-org/protoc-gen-go-micro
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add ability to generate gorilla and chi helpers

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2021-01-19 12:43:37 +03:00
parent 1ba34c65f0
commit bd881473cb
4 changed files with 111 additions and 37 deletions
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24
assets/vfsdata.go
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File diff suppressed because one or more lines are too long

50
templates/micro_chi.pb.go.tmpl Normal file
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@ -0,0 +1,50 @@
// Code generated by protoc-gen-micro
package {{goPkgLastElement .File | splitArray ";" | last}}
import (
"context"
"fmt"
"net/http"
"reflect"
"strings"
"github.com/go-chi/chi/v4"
middleware "github.com/go-chi/chi/v4/middleware"
micro_api "github.com/unistack-org/micro/v3/api"
)
type routeKey struct{}
func RouteName(ctx context.Context) (string, bool) {
value, ok := ctx.Value(routeKey{}).(string)
return value, ok
}
func Register(r *chi.Mux, h interface{}, eps []*micro_api.Endpoint) error {
v := reflect.ValueOf(h)
if v.NumMethod() < 1 {
return fmt.Errorf("invalid handler specified: %#+v", h)
}
for _, ep := range eps {
idx := strings.Index(ep.Name, ".")
if idx < 1 || len(ep.Name) <= idx {
return fmt.Errorf("invalid api.Endpoint name: %s", ep.Name)
}
name := ep.Name[idx+1:]
m := v.MethodByName(name)
if !m.IsValid() || m.IsZero() {
return fmt.Errorf("invalid handler, method %s not found", name)
}
rh, ok := m.Interface().(func(http.ResponseWriter, *http.Request))
if !ok {
return fmt.Errorf("invalid handler: %#+v", m.Interface())
}
for _, method := range ep.Method {
r.With(middleware.Value(routeKey{}, ep.Name)).MethodFunc(method, ep.Path[0], rh)
}
}
return nil
}

39
templates/micro_gorilla.pb.go.tmpl Normal file
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@ -0,0 +1,39 @@
// Code generated by protoc-gen-micro
package {{goPkgLastElement .File | splitArray ";" | last}}
import (
"fmt"
"net/http"
"reflect"
"strings"
"github.com/gorilla/mux"
micro_api "github.com/unistack-org/micro/v3/api"
)
func Register(r *mux.Router, h interface{}, eps []*micro_api.Endpoint) error {
v := reflect.ValueOf(h)
if v.NumMethod() < 1 {
return fmt.Errorf("invalid handler specified: %#+v", h)
}
for _, ep := range eps {
idx := strings.Index(ep.Name, ".")
if idx < 1 || len(ep.Name) <= idx {
return fmt.Errorf("invalid api.Endpoint name: %s", ep.Name)
}
name := ep.Name[idx+1:]
m := v.MethodByName(name)
if !m.IsValid() || m.IsZero() {
return fmt.Errorf("invalid handler, method %s not found", name)
}
rh, ok := m.Interface().(func(http.ResponseWriter, *http.Request))
if !ok {
return fmt.Errorf("invalid handler: %#+v", m.Interface())
}
r.HandleFunc(ep.Path[0], rh).Methods(ep.Method...).Name(ep.Name)
}
return nil
}

35
templates/{{trimSuffix ".proto" .File.Name}}_micro_http.pb.go.tmpl
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@ -5,12 +5,7 @@ package {{goPkgLastElement .File | splitArray ";" | last}}
import (
"context"
"fmt"
"net/http"
"reflect"
"strings"
"github.com/gorilla/mux"
micro_api "github.com/unistack-org/micro/v3/api"
micro_client "github.com/unistack-org/micro/v3/client"
micro_server "github.com/unistack-org/micro/v3/server"
micro_client_http "github.com/unistack-org/micro-client-http/v3"
@ -57,7 +52,9 @@ func (c *{{$ServiceName | lowerFirst}}Service) {{.Name}}(ctx context.Context, re
nopts := append(opts,
micro_client_http.Method("{{httpVerb .}}"),
micro_client_http.Path("{{httpPath .}}"),
{{- if not (contains (httpBody .) "GET") }}
micro_client_http.Body("{{httpBody .}}"),
{{- end }}
{{- if not (contains (json (openapiOption .)) "null") }}
{{- if (openapiOption .).Responses }}
micro_client_http.ErrorMap(errmap),
@ -238,31 +235,3 @@ func (x *{{$ServiceName | lowerFirst}}{{.Name}}Stream) Recv() (*{{$reqMethod}},
{{- end}}
{{- end}}
func Register(r *mux.Router, h interface{}, eps []*micro_api.Endpoint) error {
v := reflect.ValueOf(h)
methods := v.NumMethod()
if methods < 1 {
return fmt.Errorf("invalid handler specified: %#+v", h)
}
for _, ep := range eps {
idx := strings.Index(ep.Name, ".")
if idx < 1 || len(ep.Name) <= idx {
return fmt.Errorf("invalid api.Endpoint name: %s", ep.Name)
}
name := ep.Name[idx+1:]
m := v.MethodByName(name)
if !m.IsValid() || m.IsZero() {
return fmt.Errorf("invalid handler, method %s not found", name)
}
rh, ok := m.Interface().(func(http.ResponseWriter, *http.Request))
if !ok {
return fmt.Errorf("invalid handler: %#+v", m.Interface())
}
r.HandleFunc(ep.Path[0], rh).Methods(ep.Method...).Name(ep.Name)
}
return nil
}