Add CSV download for results

route/result/download.js

@@ -0,0 +1,42 @@
+'use strict';
+
+var moment = require('moment');
+
+module.exports = route;
+
+// Route definition
+function route (app) {
+
+    app.express.get('/:id/:rid.csv', function (req, res, next) {
+        app.webservice.task(req.params.id).get({}, function (err, task) {
+            if (err) {
+                return next();
+            }
+            app.webservice
+                .task(req.params.id)
+                .result(req.params.rid)
+                .get({full: true}, function (err, result) {
+                    if (err) {
+                        return next();
+                    }
+                    var rows = ['"code", "message", "type"'];
+                    result.results.forEach(function (msg) {
+                        rows.push([
+                            JSON.stringify(msg.code),
+                            JSON.stringify(msg.message),
+                            JSON.stringify(msg.type)
+                        ].join(', '));
+                    });
+                    res.attachment([
+                        'pa11y--',
+                        task.url.replace(/^https?:\/\//i, '').replace(/\/$/, '').replace(/[^a-z0-9\.\-\_]+/gi, '-') + '--',
+                        task.standard.toLowerCase() + '--',
+                        moment(result.date).format('YYYY-MM-DD'),
+                        '.csv'
+                    ].join(''));
+                    res.send(rows.join('\n'));
+                });
+        });
+    });
+
+}