Add basic notification rest api

src/routes/notifications.js

@@ -0,0 +1,62 @@
+'use strict';
+
+exports = module.exports = {
+    verifyOwnership: verifyOwnership,
+    get: get,
+    list: list,
+    ack: ack
+};
+
+let assert = require('assert'),
+    HttpError = require('connect-lastmile').HttpError,
+    HttpSuccess = require('connect-lastmile').HttpSuccess,
+    notifications = require('../notifications.js'),
+    NotificationsError = notifications.NotificationsError;
+
+function verifyOwnership(req, res, next) {
+    if (!req.params.notificationId) return next();  // skip for listing
+
+    notifications.get(req.params.notificationId, function (error, result) {
+        if (error && error.reason === NotificationsError.NOT_FOUND) return next(new HttpError(404, 'No such notification'));
+        if (error) return next(new HttpError(500, error));
+
+        if (result.userId !== req.user.id) return next(new HttpError(401, 'Unauthorized'));
+
+        req.notification = result;
+
+        next();
+    });
+}
+
+function get(req, res, next) {
+    assert.strictEqual(typeof req.notification, 'object');
+
+    next(new HttpSuccess(200, { notification: req.notification }));
+}
+
+function list(req, res, next) {
+    var page = typeof req.query.page !== 'undefined' ? parseInt(req.query.page) : 1;
+    if (!page || page < 0) return next(new HttpError(400, 'page query param has to be a postive number'));
+
+    var perPage = typeof req.query.per_page !== 'undefined'? parseInt(req.query.per_page) : 25;
+    if (!perPage || perPage < 0) return next(new HttpError(400, 'per_page query param has to be a postive number'));
+
+    if (req.query.acknowledged && typeof req.query.acknowledged !== 'boolean') return next(new HttpError(400, 'acknowledged must be a boolean'));
+
+    notifications.listPaged(req.user.id, typeof req.query.acknowledged === 'undefined' ? null : !!req.query.acknowledged, page, perPage, function (error, result) {
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(200, { notifications: result }));
+    });
+}
+
+function ack(req, res, next) {
+    assert.strictEqual(typeof req.params.notificationId, 'string');
+
+    notifications.ack(req.params.notificationId, function (error) {
+        if (error && error.reason === NotificationsError.NOT_FOUND) return next(new HttpError(404, 'No such notification'));
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(204, {}));
+    });
+}