From ec28e69d560aaef33c7fa92c74aedf5af4911e77 Mon Sep 17 00:00:00 2001
From: OldHawk <taobataoma@gmail.com>
Date: Fri, 23 Jun 2017 18:28:19 +0800
Subject: [PATCH] feat(log): add traces server routes, policies and controllers

---
 .../controllers/traces.server.controller.js   | 77 +++++++++++++++++++
 .../server/policies/traces.server.policy.js   | 50 ++++++++++++
 .../server/routes/traces.server.routes.js     | 17 ++++
 3 files changed, 144 insertions(+)
 create mode 100644 modules/traces/server/controllers/traces.server.controller.js
 create mode 100644 modules/traces/server/policies/traces.server.policy.js
 create mode 100644 modules/traces/server/routes/traces.server.routes.js

diff --git a/modules/traces/server/controllers/traces.server.controller.js b/modules/traces/server/controllers/traces.server.controller.js
new file mode 100644
index 00000000..c79d4ccf
--- /dev/null
+++ b/modules/traces/server/controllers/traces.server.controller.js
@@ -0,0 +1,77 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+var path = require('path'),
+  config = require(path.resolve('./config/config')),
+  mongoose = require('mongoose'),
+  errorHandler = require(path.resolve('./modules/core/server/controllers/errors.server.controller')),
+  User = mongoose.model('User'),
+  Trace = mongoose.model('Trace'),
+  async = require('async');
+
+/**
+ * list Traces
+ * @param req
+ * @param res
+ */
+exports.list = function (req, res) {
+  Trace.find({})
+    .sort('-createdat')
+    .populate('user', 'displayName profileImageURL uploaded downloaded')
+    .exec(function (err, traces) {
+      if (err) {
+        return res.status(422).send({
+          message: errorHandler.getErrorMessage(err)
+        });
+      }
+      res.json(traces);
+    });
+};
+
+/**
+ * delete Trace
+ * @param req
+ * @param res
+ */
+exports.delete = function (req, res) {
+  var trace = req.trace;
+  trace.remove(function (err) {
+    if (err) {
+      return res.status(422).send({
+        message: errorHandler.getErrorMessage(err)
+      });
+    } else {
+      res.json(trace);
+    }
+  });
+};
+
+
+/**
+ * Invitation middleware
+ */
+exports.traceByID = function (req, res, next, id) {
+
+  if (!mongoose.Types.ObjectId.isValid(id)) {
+    return res.status(400).send({
+      message: 'Trace is invalid'
+    });
+  }
+
+  Trace.findById(id)
+    .populate('user', 'displayName profileImageURL uploaded downloaded')
+    .exec(function (err, trace) {
+      if (err) {
+        return next(err);
+      } else if (!trace) {
+        return res.status(404).send({
+          message: 'No trace with that identifier has been found'
+        });
+      }
+      req.trace = trace;
+      next();
+    });
+};
+
diff --git a/modules/traces/server/policies/traces.server.policy.js b/modules/traces/server/policies/traces.server.policy.js
new file mode 100644
index 00000000..0ad736fc
--- /dev/null
+++ b/modules/traces/server/policies/traces.server.policy.js
@@ -0,0 +1,50 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+var acl = require('acl');
+
+// Using the memory backend
+acl = new acl(new acl.memoryBackend());
+
+/**
+ * Invoke Invitations Permissions
+ */
+exports.invokeRolesPolicies = function () {
+  acl.allow(
+    [
+      {
+        roles: ['admin', 'oper', 'user'],
+        allows: [
+          {resources: '/api/traces', permissions: '*'},
+          {resources: '/api/traces/:traceId', permissions: '*'}
+        ]
+      }
+    ]
+  );
+};
+
+/**
+ * Check If Invitations Policy Allows
+ */
+exports.isAllowed = function (req, res, next) {
+  var roles = (req.user) ? req.user.roles : ['guest'];
+
+  // Check for user roles
+  acl.areAnyRolesAllowed(roles, req.route.path, req.method.toLowerCase(), function (err, isAllowed) {
+    if (err) {
+      // An authorization error occurred
+      return res.status(500).send('Unexpected authorization error');
+    } else {
+      if (isAllowed) {
+        // Access granted! Invoke next middleware
+        return next();
+      } else {
+        return res.status(403).json({
+          message: 'User is not authorized'
+        });
+      }
+    }
+  });
+};
diff --git a/modules/traces/server/routes/traces.server.routes.js b/modules/traces/server/routes/traces.server.routes.js
new file mode 100644
index 00000000..e7d15f50
--- /dev/null
+++ b/modules/traces/server/routes/traces.server.routes.js
@@ -0,0 +1,17 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+var tracesPolicy = require('../policies/traces.server.policy'),
+  traces = require('../controllers/traces.server.controller');
+
+module.exports = function (app) {
+  app.route('/api/traces').all(tracesPolicy.isAllowed)
+    .get(traces.list);
+
+  app.route('/api/traces/:traceId').all(tracesPolicy.isAllowed)
+    .delete(traces.delete);
+
+  app.param('traceId', traces.traceByID);
+};