#212

main.go

@@ -166,6 +166,7 @@ func main() {
 
 	// playground
 	http.HandleFunc(conf.Wide.Context+"/playground", handlerWrapper(playground.IndexHandler))
+	http.HandleFunc(conf.Wide.Context+"/playground/", handlerWrapper(playground.IndexHandler))
 	http.HandleFunc(conf.Wide.Context+"/playground/ws", handlerWrapper(playground.WSHandler))
 	http.HandleFunc(conf.Wide.Context+"/playground/save", handlerWrapper(playground.SaveHandler))
 	http.HandleFunc(conf.Wide.Context+"/playground/build", handlerWrapper(playground.BuildHandler))

playground/build.go

@@ -47,14 +47,14 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	filePath := args["filePath"].(string)
+	fileName := args["fileName"].(string)
+	filePath := filepath.Clean(conf.Wide.Playground + "/" + fileName)
 
 	suffix := ""
 	if util.OS.IsWindows() {
 		suffix = ".exe"
 	}
 
-	fileName := filepath.Base(filePath)
 	executable := filepath.Clean(conf.Wide.Playground + "/" + strings.Replace(fileName, ".go", suffix, -1))
 
 	cmd := exec.Command("go", "build", "-o", executable, filePath)

playground/file.go

@@ -18,14 +18,15 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"encoding/json"
+	"io"
 	"net/http"
 	"os"
 	"os/exec"
 	"path/filepath"
 
+	"github.com/b3log/wide/conf"
 	"github.com/b3log/wide/session"
 	"github.com/b3log/wide/util"
-	"github.com/b3log/wide/conf"
 )
 
 // SaveHandler handles request of Playground code save.
@@ -50,14 +51,10 @@ func SaveHandler(w http.ResponseWriter, r *http.Request) {
 
 	code := args["code"].(string)
 
-	// generate file name
-	hasher := md5.New()
-	hasher.Write([]byte(code))
-	fileName := hex.EncodeToString(hasher.Sum(nil))
-	fileName += ".go"
-	filePath := filepath.Clean(conf.Wide.Playground + "/" + fileName)
+	// Step1. format code
+	cmd := exec.Command("gofmt")
 
-	fout, err := os.Create(filePath)
+	stdin, err := cmd.StdinPipe()
 	if nil != err {
 		logger.Error(err)
 		data["succ"] = false
@@ -65,19 +62,8 @@ func SaveHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	fout.WriteString(code)
-	if err := fout.Close(); nil != err {
-		logger.Error(err)
-		data["succ"] = false
-
-		return
-	}
-
-	data["filePath"] = filePath
-	data["url"] = filepath.ToSlash(filePath)
-
-	argv := []string{filePath}
-	cmd := exec.Command("gofmt", argv...)
+	io.WriteString(stdin, code)
+	stdin.Close()
 
 	bytes, _ := cmd.Output()
 	output := string(bytes)
@@ -92,16 +78,16 @@ func SaveHandler(w http.ResponseWriter, r *http.Request) {
 	code = string(output)
 	data["code"] = code
 
-	// generate file name
-	hasher = md5.New()
+	// Step2. generate file name
+	hasher := md5.New()
 	hasher.Write([]byte(code))
-	fileName = hex.EncodeToString(hasher.Sum(nil))
+	fileName := hex.EncodeToString(hasher.Sum(nil))
 	fileName += ".go"
-	filePath = filepath.Clean(conf.Wide.Playground + "/" +  fileName)
-	data["filePath"] = filePath
-	data["url"] = filepath.ToSlash(filePath)
+	data["fileName"] = fileName
 
-	fout, err = os.Create(filePath)
+	// Step3. write file
+	filePath := filepath.Clean(conf.Wide.Playground + "/" + fileName)
+	fout, err := os.Create(filePath)
 	fout.WriteString(code)
 	if err := fout.Close(); nil != err {
 		logger.Error(err)

playground/playgrounds.go

@@ -17,10 +17,13 @@ package playground
 
 import (
 	"html/template"
+	"io/ioutil"
 	"math/rand"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/b3log/wide/conf"
@@ -58,7 +61,19 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 
 	locale := conf.Wide.Locale
 
+	// try to load file
 	code := conf.HelloWorld
+	if strings.HasSuffix(r.RequestURI, ".go") {
+		fileName := r.RequestURI[len("/playground/"):]
+		filePath := filepath.Clean(conf.Wide.Playground + "/" + fileName)
+
+		bytes, err := ioutil.ReadFile(filePath)
+		if nil != err {
+			logger.Warn(err)
+		}
+
+		code = string(bytes)
+	}
 
 	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
 		"session": wideSession, "pathSeparator": conf.PathSeparator, "codeMirrorVer": conf.CodeMirrorVer,

session/sessions.go

@@ -386,7 +386,7 @@ func (sessions *wSessions) Remove(sid string) {
 				}
 			}
 
-			logger.Debugf("Removed a session [%s] of user [%s], it has [%d] sessions currently", sid, s.Username, cnt)
+			logger.Tracef("Removed a session [%s] of user [%s], it has [%d] sessions currently", sid, s.Username, cnt)
 
 			return
 		}

static/js/playground.js

@@ -67,6 +67,10 @@ var playground = {
 
             var data = JSON.parse(e.data);
             
+            if ("init-playground" === data.cmd) {
+                return;
+            }
+
             playground.pid = data.pid;
 
             var val = $("#output").val();
@@ -104,7 +108,7 @@ var playground = {
                     return;
                 }
                 
-                var url = window.location.protocol + "//" + window.location.host + '/' + data.url;
+                var url = window.location.protocol + "//" + window.location.host + '/playground/' + data.fileName;
                 var html = '<a href="' + url + '" target="_blank">'
                         + url + "</a>";
                 $("#url").html(html);
@@ -154,7 +158,7 @@ var playground = {
 
                 // Step 2. compile code
                 var request = newWideRequest();
-                request.filePath = data.filePath;
+                request.fileName = data.fileName;
 
                 $.ajax({
                     type: 'POST',