notes.kaplon.us/server.js

var express = require("express");
var hbs = require('express-hbs');
require('handlebars-form-helpers').register(hbs.handlebars);
var bodyParser = require("body-parser");
var app = express();
var winston = require('winston');
winston.add(winston.transports.File, { filename: './logs/notes.kaplon.us.log', maxsize: 5000000 });  // 5MB
var fileSystem = require('fs');

app.use(bodyParser.text());   // Use defaults for now, size limit is 100kb.

// Use `.hbs` for extensions and find partials in `views/partials`.
app.engine('hbs', hbs.express4({
    partialsDir: __dirname + '/views/partials'
}));
app.set('view engine', 'hbs');
app.set('views', __dirname + '/views');
app.use(express.static('codemirror'));

var notePath = __dirname + '/note-data/allNotes.txt';

app.get('/', function(req, res){
    winston.info("GET /");
    // Get curent text from allNotes.txt and pass that data to handlebars template.
    fileSystem.readFile(notePath, {encoding: 'utf-8'}, function(err,data){
        if (!err){
            winston.info('successful file read');
            res.render('index', {notetxt: data}, function(err, html) {
                if(err !== null) {
                    winston.error(err);
                } else {
                    res.send(html);
                }
            });
        }else{
            winston.error(err);
        }
    });
});

app.post('/', function(req, res){
    winston.info('POST received');
    var now = Date.now();
    // quick/dirty poc is to do a fileSystem.write to create a new file w/contents of req.body!
    //fileSystem.writeFile(__dirname + '/note-data/test-' + now + '.txt', req.body, function(err){
        //if (err) { winston.error(err); }
        //winston.info('new test file written');
    //});
    // Overwrite allNotes.txt with new contents from client.
    fileSystem.readFile(notePath, 'utf-8', function(err, data){
        if (err) { 
            winston.error(err); 
        } else {
            fileSystem.writeFile(notePath, req.body, 'utf-8', function(err) {
                if (err) { winston.error(err); }
                winston.info('new contents from client written to allNotes.txt');
                var exec = require('child_process').exec;
                var cmd = 'cd note-data && git commit -am "Notes modified via POST request, ' + now + '"';
                winston.info(cmd);
                exec(cmd, function(error, stdout, stderr) {
                    if (error) { winston.error(error); }
                    winston.info(stdout);
                });
            });
        }
    });
    // Stage and commit changes to allNotes.txt.
    res.status(204).send('POST received');
});

// This is broken due to permission error from bitbucket.
// Not sure how to auth container git user to bitbucket...comment it all out for now.
//setInterval(function() {
    //// Push to bitbucker every 30min.
    //var exec = require('child_process').exec;
    //var cmd = 'cd note-data && git push';
    //winston.info(cmd);
    //exec(cmd, function(error, stdout, stderr) {
        //if (error) { winston.error(error); }
        //winston.info(stdout);
    //});
//}, 30 * 60 * 1000);

app.listen(3000, function() {
    winston.info("Started on PORT 3000");
});