i have this code:
var blade = require('blade')
,express = require('express')
,http = require('http')
,https = require('https')
,fs = require('fs'),json;
var GOOGLE_API_KEY = process.env.GOOGLE_API_KEY;
var TABLE_ID = "1epTUiUlv5NQK5x4sgdy1K47ACDTpHH60hbng1qw";
//var TABLE_ID ="1obpi0bmSDILX1cIQcVRNi1lUkm2K5xBFztmRFiM"
var GOOGLE_PATH =
"/fusiontables/v1/query?sql=SELECT%20*%20FROM%20"+TABLE_ID+"&key="+GOOGLE_API_KEY;
var GOOGLE_DRIVE_PATH = "/drive/v2/files/"+TABLE_ID+"?key="+GOOGLE_API_KEY;
var options = {
hostname: 'www.googleapis.com'
,port: 443
,method: 'GET'
};
function TZMNetwork(fileId) {
if (fs.existsSync("data/chapters.json")) {
// ... put code if "data/chapters.json" has changed!
console.log('OK');
} else {
options["path"] = GOOGLE_PATH;
var file = fs.createWriteStream("data/chapters.json");
var req = https.request(options, function(res) {
res.on('data', function(data) {
file.write(data);
}).on('end', function() {
file.end();
console.log("chapters.json created");
});
});
req.end();
req.on('error', function(e) {
console.error(e);
});
}
}
var app = express();
app.use(blade.middleware(__dirname + '/views') ); //for client-side
templates
app.use(express.favicon(__dirname + '/public/images/favicon.ico'));
app.use(express.static(__dirname + '/public') ); //maybe we have some
static files
app.set('views', __dirname + '/views'); //tells Express where our views are
stored
app.set('translation', require(__dirname +
'/public/locales/dev/translation.json'));
app.set('chapters', require(__dirname + '/data/chapters.json'));
app.set('view engine', 'blade'); //Yes! Blade works with Express out of the
box!
app.get('/', function(req, res, next) {
TZMNetwork(TABLE_ID);
res.render('index');
});
app.listen(29080);
console.log('Server running at http://127.0.0.1:29080/');
How would you ensure that if /data/chapters.json does not exists, for
example when the app is run for the first time, the app.set('chapters',
require(__dirname + '/data/chapters.json')); is by-passed?
Is there a better way to do this?
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