Merge pull request #24 from ethereum/feedback

Feedback in case of error

src/router.js

@@ -19,16 +19,29 @@ class Router {
   }
 
   call (callid, name, fn, args) {
-    servicesList[name][fn](args, (error, data) => {
-      var response = {
-        id: callid,
-        type: 'reply',
-        scope: name,
-        result: data,
-        error: error
+    try {
+      servicesList[name][fn](args, (error, data) => {
+        var response = {
+          id: callid,
+          type: 'reply',
+          scope: name,
+          result: data,
+          error: error
+        }
+        this.websocket.send(JSON.stringify(response))
+      })
+    } catch (e) {
+      var msg = 'Unexpected Error ' + e.message
+      console.log('\x1b[31m%s\x1b[0m', '[ERR] ' + msg)
+      if (this.websocket) {
+        this.websocket.send(JSON.stringify({
+          id: callid,
+          type: 'reply',
+          scope: name,
+          error: msg
+        }))
       }
-      this.websocket.send(JSON.stringify(response))
-    })
+    }
   }
 }
 

src/services/sharedFolder.js

@@ -12,7 +12,11 @@ module.exports = {
   },
 
   list: function (args, cb) {
-    cb(null, utils.walkSync(this.sharedFolder, {}, this.sharedFolder))
+    try {
+      cb(null, utils.walkSync(this.sharedFolder, {}, this.sharedFolder))  
+    } catch (e) {
+      cb(e.message)
+    }
   },
 
   resolveDirectory: function (args, cb) {
@@ -20,12 +24,15 @@ module.exports = {
       var path = utils.absolutePath(args.path, this.sharedFolder)
       cb(null, utils.resolveDirectory(path, this.sharedFolder))
     } catch (e) {
-      cb(e)
+      cb(e.message)
     }
   },
 
   get: function (args, cb) {
     var path = utils.absolutePath(args.path, this.sharedFolder)
+    if (!fs.existsSync(path)) {
+      return cb('File not found ' + path)
+    }
     if (!isRealPath(path, cb)) return
     isbinaryfile(path, (error, isBinary) => {
       if (error) console.log(error)
@@ -57,6 +64,9 @@ module.exports = {
 
   rename: function (args, cb) {
     var oldpath = utils.absolutePath(args.oldPath, this.sharedFolder)
+    if (!fs.existsSync(oldpath)) {
+      return cb('File not found ' + oldpath)
+    }
     var newpath = utils.absolutePath(args.newPath, this.sharedFolder)
     if (!isRealPath(oldpath, cb)) return
     fs.move(oldpath, newpath, (error, data) => {
@@ -67,6 +77,9 @@ module.exports = {
 
   remove: function (args, cb) {
     var path = utils.absolutePath(args.path, this.sharedFolder)
+    if (!fs.existsSync(path)) {
+      return cb('File not found ' + path)
+    }
     if (!isRealPath(path, cb)) return
     fs.remove(path, (error, data) => {
       if (error) console.log(error)