working database save

bin/cli.js

@@ -3,6 +3,8 @@ var program = require('commander'),
     request = require('superagent'),
     server = require('../server'),
     logger = require('../utils/logger'),
+    moment = require('moment'),
+    fs = require('fs'),
     options = {};
 
 function loadFile(file, cb) {
@@ -13,15 +15,6 @@ function loadFile(file, cb) {
   if (/\.js$/.test(file)) db = require(path).run();
 
   cb(db);
-
-  process.stdin.resume();
-  process.stdin.setEncoding('utf8');
-  process.stdin.on('data', function (userInput) {
-    console.log(userInput);
-    if (userInput.trim().toLowerCase() == 's') {
-      console.log('saving db');
-    }
-  });
 }
 
 function loadURL(url, cb) {
@@ -38,7 +31,25 @@ function loadURL(url, cb) {
 }
 
 function onDatabaseLoaded(db) {
-  server.run(db, options);
+  var app = server.run(db, options);
+
+  process.stdin.resume();
+  process.stdin.setEncoding('utf8');
+  process.stdin.on('data', function (userInput) {
+    console.log(userInput);
+    if (userInput.trim().toLowerCase() == 's') {
+      var liveDB = app.db();
+      var now = moment().format('YYYY-MM-DD:HH-MM-SS')
+      var filename = 'json-server.' + now + '.json';
+      console.assert(liveDB, 'expected live db object');
+      fs.writeFileSync(filename,
+        JSON.stringify(liveDB, null, 2),
+        'utf-8');
+      console.log('saved db to', filename);
+    }
+  });
+
+  return app;
 }
 
 program

package.json

@@ -14,7 +14,8 @@
     "logan": "~0.0.2",
     "superagent": "~0.15.7",
     "underscore": "~1.5.2",
-    "underscore.inflections": "~0.2.1"
+    "underscore.inflections": "~0.2.1",
+    "moment": "~2.4.0"
   },
   "devDependencies": {
     "supertest": "~0.8.1",

routes/read-write.js

@@ -12,6 +12,10 @@ exports.database = function(req, res) {
   res.jsonp(db)
 }
 
+exports.db = function() {
+  return db;
+}
+
 // GET /:resource?attr=&attr=
 exports.list = function(req, res) {
   var collection = db[req.params.resource],

server.js

@@ -63,6 +63,7 @@ function createApp(db, options) {
 
   // Set database
   routes.setDatabase(db);
+  app.db = routes.db;
 
   // And done! Ready to serve JSON!
   return app;
@@ -88,6 +89,7 @@ function run(db, options) {
       logger.success('Express server listening on port ' + options.port);
       logger.success('Congrats! Open http://localhost:' + options.port);
     });
+  return app;
 }
 
 exports.createApp = createApp;