Added reading to stream

package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "lodash": "latest",
     "mongoose": "latest",
-    "mongoose-gridfs": "^0.5.0",
+    "mongoose-gridfs": "^1.2.4",
     "random-js": "^1.0.8",
     "string-to-stream": "^1.1.0",
     "winston": "^2.3.1"

solution_files.js

@@ -78,6 +78,10 @@ module.exports.read = (fileId) => {
 
 };
 
+module.exports.readStream = (fileId) => {
+    return mongoose.solutionFiles.readById(fileId)
+};
+
 module.exports.fileInfo = (fileId) => {
     return mongoose.solutionFiles.findOne({_id: fileId})
         .catch(err => {

testing.js

@@ -74,6 +74,11 @@ module.exports.read = (fileId) => {
 
 };
 
+module.exports.readStream = (fileId) => {
+    return n  mongoose.testingFiles.readById(fileId)
+
+};
+
 module.exports.fileInfo = (fileId) => {
     return mongoose.testingFiles.findOne({_id: fileId})
         .catch(err => {