refactored GetRepo: serve JSON from fs and write directly into http.ResponseWriter

repo/repo.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"io"
+	"os"
 	"strconv"
 	"strings"
 	"time"
@@ -218,6 +220,15 @@ func (repo *Repo) GetRepo() map[string]*content.RepoNode {
 	return response
 }
 
+// WriteRepoBytes get the whole repo in all dimensions
+func (repo *Repo) WriteRepoBytes(w io.Writer) {
+	f, err := os.Open(repo.history.getCurrentFilename())
+	_, err = io.Copy(w, f)
+	if err != nil {
+		Log.Error("failed to serve Repo JSON", zap.Error(err))
+	}
+}
+
 // Update - reload contents of repository with json from repo.server
 func (repo *Repo) Update() (updateResponse *responses.Update) {
 	floatSeconds := func(nanoSeconds int64) float64 {

server/handlerequest.go

@@ -51,11 +51,12 @@ func handleRequest(r *repo.Repo, handler Handler, jsonBytes []byte, source strin
 		processIfJSONIsOk(json.Unmarshal(jsonBytes, &updateRequest), func() {
 			reply = r.Update()
 		})
-	case HandlerGetRepo:
+	// case HandlerGetRepo:
-		repoRequest := &requests.Repo{}
+	// 	repoRequest := &requests.Repo{}
-		processIfJSONIsOk(json.Unmarshal(jsonBytes, &repoRequest), func() {
+	// 	processIfJSONIsOk(json.Unmarshal(jsonBytes, &repoRequest), func() {
-			reply = r.GetRepo()
+	// 		reply = r.GetRepo()
-		})
+	// 	})
+
 	default:
 		reply = responses.NewError(1, "unknown handler: "+string(handler))
 	}

server/webserver.go

@@ -35,7 +35,13 @@ func (s *webServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "failed to read incoming request", http.StatusBadRequest)
 		return
 	}
-	reply, errReply := handleRequest(s.r, Handler(strings.TrimPrefix(r.URL.Path, s.path+"/")), jsonBytes, "webserver")
+	h := Handler(strings.TrimPrefix(r.URL.Path, s.path+"/"))
+	if h == HandlerGetRepo {
+		s.r.WriteRepoBytes(w)
+		w.Header().Set("Content-Type", "application/json")
+		return
+	}
+	reply, errReply := handleRequest(s.r, h, jsonBytes, "webserver")
 	if errReply != nil {
 		http.Error(w, errReply.Error(), http.StatusInternalServerError)
 		return