Reports ported to ReactJS and Knex

Note that the interface for the custom JS code inside a report template has changed. It now offers promise-based interface and exposes knex.

routes/reports.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const passport = require('../lib/passport');
+const _ = require('../lib/translate')._;
+const reports = require('../models/reports');
+const fileHelpers = require('../lib/file-helpers');
+
+const router = require('../lib/router-async').create();
+
+router.getAsync('/download/:id', passport.loggedIn, async (req, res) => {
+    const report = await reports.getByIdWithTemplate(req.params.id);
+
+    if (report.state == reports.ReportState.FINISHED) {
+        const headers = {
+            'Content-Disposition': 'attachment;filename=' + fileHelpers.nameToFileName(report.name) + '.csv',
+            'Content-Type': report.mime_type
+        };
+
+        res.sendFile(fileHelpers.getReportContentFile(report), {headers: headers});
+
+    } else {
+        return res.status(404).send(_('Report not found'));
+    }
+});
+
+module.exports = router;