add unserialization of VFS URL query parameters into utils

Author: mahsa shadi

src/utils/vfs.js

@@ -176,10 +176,37 @@ const mountpointResolver = core => async (path) => {
  */
 const parseGet = req => {
   const {query} = url.parse(req.url, true);
-
-  return Promise.resolve({fields: query, files: {}});
+  const assembledQuery = assembleQueryData(query);
+  
+  return Promise.resolve({fields: assembledQuery, files: {}});
 };
 
+/*
+ * Assembles a given object query
+ */
+const assembleQueryData = (object) => {
+  const assembled = {}
+  const keys = Object.keys(object)
+
+  for (let i = 0; i < keys.length; i++) {
+    const key = keys[i]
+    const dots = key.split('.')
+
+    let last = assembled
+    for (let j = 0; j < dots.length; j++) {
+      const dot = dots[j]
+      if (j >= dots.length - 1) {
+        last[dot] = object[key]
+      } else {
+        last[dot] = last[dot] || {}
+      }
+
+      last = last[dot]
+    }
+  }
+  return assembled;
+}
+
 /*
  * Parses Json Body
  */

src/vfs.js

@@ -111,7 +111,7 @@ const createMiddleware = core => {
 };
 
 const createOptions = req => {
-  const options = req.fields.options ? req.fields.options : decodeOptions(req.fields);
+  const options = req.fields.options;
   const range = req.headers && req.headers.range;
   const session = {...req.session || {}};
   let result = options || {};
@@ -134,30 +134,6 @@ const createOptions = req => {
   };
 };
 
-const decodeOptions = (reqFileds) => {
-  let options = {};
-  let keyPath = [];
-  Object.keys(reqFileds).map((item) => {
-    keyPath = item.split('.');
-    assignObject(options, keyPath, reqFileds[item]);
-  });
-  console.log(options)
-  return options;
-};
-
-const assignObject = (obj, keyPath, value) => {
-  let lastKeyIndex = keyPath.length - 1;
-  let key;
-  for (let i = 0; i < lastKeyIndex; i++) {
-    key = keyPath[i];
-    if (!(key in obj)) {
-      obj[key] = {};
-    }
-    obj = obj[key];
-  }
-  obj[keyPath[lastKeyIndex]] = value;
-};
-
 // Standard request with only a target
 const createRequestFactory = findMountpoint => (getter, method, readOnly, respond) => async (req, res) => {
   const options = createOptions(req);
@@ -321,4 +297,4 @@ module.exports = core => {
   });
 
   return {router, methods};
-};
+};