Created
December 7, 2015 06:13
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var express = require('express'); | |
var morgan = require('morgan'); | |
var http = require('http'); | |
var mongo = require('mongodb').MongoClient; | |
var winston = require('winston'); | |
// Logging | |
winston.emitErrs = true; | |
var logger = new winston.Logger({ | |
transports: [ | |
new winston.transports.Console({ | |
timestamp: true, | |
level: 'debug', | |
handleExceptions: true, | |
json: false, | |
colorize: true | |
}) | |
], | |
exitOnError: false | |
}); | |
logger.stream = { | |
write: function(message, encoding){ | |
logger.debug(message.replace(/\n$/, '')); | |
} | |
}; | |
// Express and middlewares | |
var app = express(); | |
app.use( | |
//Log requests | |
morgan(':method :url :status :response-time ms - :res[content-length]', { | |
stream: logger.stream | |
}) | |
); | |
var db; | |
if(process.env.MONGO_URL) { | |
mongo.connect(process.env.MONGO_URL, null, function(err, db_) { | |
if(err) { | |
logger.error(err); | |
} else { | |
db = db_; | |
} | |
}); | |
} | |
app.use(function(req, res, next) { | |
if(!db) { | |
//Database not connected | |
mongo.connect(process.env.MONGO_URL, null, function(err, db_) { | |
if(err) { | |
logger.error(err); | |
res.sendStatus(500); | |
} else { | |
db = db_; | |
next(); | |
} | |
}); | |
} else { | |
next(); | |
} | |
}); | |
// Actual query | |
app.get('/tickets', function(req, res, next) { | |
var collection = db.collection('tickets'); | |
collection.find().toArray(function(err, result) { | |
if(err) { | |
logger.error(err); | |
res.sendStatus(500); | |
return; | |
} | |
res.json(result); | |
}); | |
}); | |
// Standalone server setup | |
var port = process.env.PORT || 3001; | |
http.createServer(app).listen(port, function (err) { | |
if (err) { | |
logger.error(err); | |
} else { | |
logger.info('Listening on http://localhost:' + port); | |
} | |
}); |
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