Providing stats at /stats

app.js

@@ -5,6 +5,7 @@ var path = require('path');
 var cookieParser = require('cookie-parser');
 var bodyParser = require('body-parser');
 var todos = require('./routes/todos');
+var stats = require('./routes/stats');
 var cloud = require('./cloud');
 
 var app = express();
@@ -41,6 +42,12 @@ app.get('/', function(req, res) {
   res.render('index', { currentTime: new Date() });
 });
 
+app.get('/dash', function(req, res) {
+    res.render('dashboard');
+});
+
+app.use('/stats', stats);
+
 // 可以将一类的路由单独保存在一个文件中
 app.use('/todos', todos);
 

routes/stats.js

@@ -0,0 +1,43 @@
+var router = require('express').Router();
+var AV = require('leanengine');
+
+router.get('/', function(req, res, next) {
+    var from = new Date(req.query.from);
+    if (req.query.from && from.getYear() > 2000) {
+    } else {
+        from = new Date();
+        from.setHours(from.getHours() - 48); // default to 48 hours ago
+    }
+    var to = new Date(req.query.to);
+    if (req.query.to && to.getYear() > from.getYear()) {
+    } else {
+        to = new Date();
+    }
+
+    from.setHours(from.getHours() - 48); // 48 hours ago
+    AV.Query.doCloudQuery(
+        "SELECT type, description, start, delta \
+         FROM EchoTime \
+         WHERE start > date(?) AND start < date(?) ORDER BY start",
+        [from.toISOString(), to.toISOString()],
+        {
+            success: function(result) {
+                var rows = [];
+                for (var i=0; i < result.results.length; i++) {
+                    var echo = result.results[i];
+                    rows[i] = {
+                        type: echo.get('type'),
+                        description: echo.get('description'),
+                        start: echo.get('start'),
+                        delta: echo.get('delta'),
+                        createdAt: echo.getCreatedAt(),
+                    };
+                }
+                res.json(rows);
+            }, error: function(err) {
+                console.log(err);
+                next(err);
+            }});
+});
+
+module.exports = router;