Mongoose 4.x (#9928)

* update mongoose to ^4.x

* another fix

website/server/libs/setupMongoose.js

@@ -1,6 +1,5 @@
 import nconf from 'nconf';
 import logger from './logger';
-import autoinc from 'mongoose-id-autoinc';
 import mongoose from 'mongoose';
 import Bluebird from 'bluebird';
 
@@ -19,10 +18,8 @@ if (MAINTENANCE_MODE !== 'true') {
 
   const NODE_DB_URI = nconf.get('IS_TEST') ? nconf.get('TEST_DB_URI') : nconf.get('NODE_DB_URI');
 
-  let db = mongoose.connect(NODE_DB_URI, mongooseOptions, (err) => {
+  mongoose.connect(NODE_DB_URI, mongooseOptions, (err) => {
     if (err) throw err;
     logger.info('Connected with Mongoose.');
   });
-
-  autoinc.init(db);
 }

website/server/middlewares/errorHandler.js

@@ -39,7 +39,8 @@ module.exports = function errorHandler (err, req, res, next) { // eslint-disable
 
   // Handle mongoose validation errors
   if (err.name === 'ValidationError') {
-    responseErr = new BadRequest(err.message); // TODO standard message? translate?
+    const model = err.message.split(' ')[0];
+    responseErr = new BadRequest(`${model} validation failed`);
     responseErr.errors = map(err.errors, (mongooseErr) => {
       return {
         message: mongooseErr.message,

website/server/models/group.js

@@ -736,7 +736,7 @@ async function _updateUserWithRetries (userId, updates, numTry = 1, query = {})
       return raw;
     }).catch((err) => {
       if (numTry < MAX_UPDATE_RETRIES) {
-        return _updateUserWithRetries(userId, updates, ++numTry);
+        return _updateUserWithRetries(userId, updates, ++numTry, query);
       } else {
         throw err;
       }

website/server/models/task.js

@@ -54,6 +54,23 @@ export let TaskSchema = new Schema({
         return !validator.isUUID(val);
       },
       msg: 'Task short names cannot be uuids.',
+    }, {
+      validator (alias) {
+        return new Promise((resolve, reject) => {
+          Task.findOne({ // eslint-disable-line no-use-before-define
+            _id: { $ne: this._id },
+            userId: this.userId,
+            alias,
+          }).exec().then((task) => {
+            let aliasAvailable = !task;
+
+            return aliasAvailable ? resolve() : reject();
+          }).catch(() => {
+            reject();
+          });
+        });
+      },
+      msg: 'Task alias already used on another task.',
     }],
   },
   tags: [{
@@ -193,20 +210,6 @@ TaskSchema.methods.scoreChallengeTask = async function scoreChallengeTask (delta
 
 export let Task = mongoose.model('Task', TaskSchema);
 
-Task.schema.path('alias').validate(function valiateAliasNotTaken (alias, respond) {
-  Task.findOne({
-    _id: { $ne: this._id },
-    userId: this.userId,
-    alias,
-  }).exec().then((task) => {
-    let aliasAvailable = !task;
-
-    respond(aliasAvailable);
-  }).catch(() => {
-    respond(false);
-  });
-}, 'Task alias already used on another task.');
-
 // habits and dailies shared fields
 let habitDailySchema = () => {
   return {history: Array}; // [{date:Date, value:Number}], // this causes major performance problems