refactor: Remove express-csv dependency

package.json

@@ -21,9 +21,9 @@
     "connect-ratelimit": "0.0.7",
     "cookie-session": "^1.2.0",
     "coupon-code": "~0.3.0",
+    "csv-stringify": "^1.0.2",
     "domain-middleware": "~0.1.0",
     "express": "^4.13.4",
-    "express-csv": "~0.6.0",
     "firebase": "^2.2.9",
     "firebase-token-generator": "^2.0.0",
     "glob": "^4.3.5",

website/src/controllers/api-v2/challenges.js

@@ -8,7 +8,7 @@ var User = require('./../../models/user').model;
 var Group = require('./../../models/group').model;
 var Challenge = require('./../../models/challenge').model;
 var logging = require('./../../libs/logging');
-var csv = require('express-csv');
+var csvStringify = require('csv-stringify');
 var utils = require('../../libs/utils');
 var api = module.exports;
 var pushNotify = require('./../pushNotifications');
@@ -112,9 +112,17 @@ api.csv = function(req, res, next) {
       })
       output.push(uData);
     });
-    res.header('Content-disposition', 'attachment; filename='+cid+'.csv');
-    res.csv(output);
-    challenge = cid = null;
+
+    res.set({
+      'Content-Type': 'text/csv',
+      'Content-disposition': `attachment; filename=${cid}.csv`,
+    });
+
+    csvStringify(output, (err, csv) => {
+      if (err) return next(err);
+      res.status(200).send(csv);
+      challenge = cid = null;
+    });
   })
 }
 

website/src/controllers/api-v2/coupon.js

@@ -1,7 +1,7 @@
 var _ = require('lodash');
 var Coupon = require('./../../models/coupon').model;
 var api = module.exports;
-var csv = require('express-csv');
+var csvStringify = require('csv-stringify');
 var async = require('async');
 
 api.ensureAdmin = function(req, res, next) {
@@ -21,10 +21,18 @@ api.getCoupons = function(req,res,next) {
   if (req.query.limit) options.limit = req.query.limit;
   if (req.query.skip) options.skip = req.query.skip;
   Coupon.find({},{}, options, function(err,coupons){
-    //res.header('Content-disposition', 'attachment; filename=coupons.csv');
-    res.csv([['code']].concat(_.map(coupons, function(c){
+    let output = [['code']].concat(_.map(coupons, function(c){
       return [c._id];
-    })));
+    }))
+
+    res.set({
+      'Content-Type': 'text/csv',
+      'Content-disposition': `attachment; filename=habitica-coupons.csv`,
+    });
+    csvStringify(output, (err, csv) => {
+      if (err) return next(err);
+      res.status(200).send(csv);
+    });
   });
 }
 

website/src/controllers/dataexport.js

@@ -1,9 +1,8 @@
 var _ = require('lodash');
-var csv = require('express-csv');
 var express = require('express');
+var csvStringify = require('csv-stringify');
 var nconf = require('nconf');
 var moment = require('moment');
-var dataexport = module.exports;
 var js2xmlparser = require("js2xmlparser");
 var pd = require('pretty-data').pd;
 var User = require('../models/user').model;
@@ -22,6 +21,8 @@ var request = require('request');
   ------------------------------------------------------------------------
 */
 
+var dataexport = module.exports;
+
 dataexport.history = function(req, res) {
   var user = res.locals.user;
   var output = [
@@ -29,13 +30,26 @@ dataexport.history = function(req, res) {
   ];
   _.each(user.tasks, function(task) {
     _.each(task.history, function(history) {
-      output.push(
-        [task.text, task.id, task.type, moment(history.date).format("MM-DD-YYYY HH:mm:ss"), history.value]
-      );
+      output.push([
+        task.text,
+        task.id,
+        task.type,
+        moment(history.date).format("MM-DD-YYYY HH:mm:ss"),
+        history.value
+      ]);
     });
   });
-  return res.csv(output);
-}
+
+  res.set({
+    'Content-Type': 'text/csv',
+    'Content-disposition': `attachment; filename=habitica-tasks-history.csv`,
+  });
+
+  csvStringify(output, (err, csv) => {
+    if (err) return next(err);
+    res.status(200).send(csv);
+  });
+};
 
 var userdata = function(user) {
   if(user.auth && user.auth.local) {