initial rest API for groups

src/routes/groups.js

@@ -0,0 +1,65 @@
+/* jslint node:true */
+
+'use strict';
+
+exports = module.exports = {
+    get: get,
+    list: list,
+    create: create,
+    remove: remove
+};
+
+var assert = require('assert'),
+    groups = require('../groups.js'),
+    HttpError = require('connect-lastmile').HttpError,
+    HttpSuccess = require('connect-lastmile').HttpSuccess,
+    groups = require('../groups.js'),
+    GroupError = groups.GroupError;
+
+function create(req, res, next) {
+    assert.strictEqual(typeof req.body, 'object');
+
+    if (typeof req.body.name !== 'string') return next(new HttpError(400, 'name must be string'));
+
+    groups.create(req.body.name, function (error, group) {
+        if (error && error.reason === GroupError.BAD_NAME) return next(new HttpError(400, error.message));
+        if (error && error.reason === GroupError.ALREADY_EXISTS) return next(new HttpError(409, 'Already exists'));
+        if (error) return next(new HttpError(500, error));
+
+        var groupInfo = {
+            id: group.id,
+            name: group.name
+        };
+
+        next(new HttpSuccess(201, groupInfo));
+    });
+}
+
+function get(req, res, next) {
+    assert.strictEqual(typeof req.params.groupId, 'string');
+
+    groups.get(req.params.groupId, function (error, result) {
+        if (error && error.reason === GroupError.NOT_FOUND) return next(new HttpError(404, 'No such group'));
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(200, result));
+    });
+}
+
+function list(req, res, next) {
+    groups.list(function (error, result) {
+        if (error) return next(new HttpError(500, error));
+        next(new HttpSuccess(200, { groups: result }));
+    });
+}
+
+function remove(req, res, next) {
+    assert.strictEqual(typeof req.params.groupId, 'string');
+
+    groups.remove(req.params.groupId, function (error) {
+        if (error && error.reason === GroupError.NOT_FOUND) return next(new HttpError(404, 'Group not found'));
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(204));
+    });
+}