Full MVC of gitlab-zoekt-indexer

cmd/gitlab-zoekt-indexer/main.go

@@ -6,7 +6,6 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"io"
 	"log"
 	"net/http"
 	"os"
@@ -98,14 +97,18 @@ func (s *indexServer) handleMetrics() http.HandlerFunc {
 	}
 }
 
+func (s *indexServer) decode(r *http.Request, v interface{}) error {
+	dec := json.NewDecoder(r.Body)
+	dec.DisallowUnknownFields()
+	return dec.Decode(v)
+}
+
 func (s *indexServer) handleIndex() http.HandlerFunc {
 	route := "index"
 
-	parseRequest := func(r io.Reader) (indexRequest, error) {
-		dec := json.NewDecoder(r)
-		dec.DisallowUnknownFields()
+	parseRequest := func(r *http.Request) (indexRequest, error) {
 		var req indexRequest
-		err := dec.Decode(&req)
+		err := s.decode(r, &req)
 
 		if err != nil {
 			return req, errors.New("json parser error")
@@ -123,7 +126,7 @@ func (s *indexServer) handleIndex() http.HandlerFunc {
 	}
 
 	return func(w http.ResponseWriter, r *http.Request) {
-		req, err := parseRequest(r.Body)
+		req, err := parseRequest(r)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 			return