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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,93 +1,93 @@ | ||
| var express = require('express'), | ||
| async = require('async'), | ||
| pg = require("pg"), | ||
| cookieParser = require('cookie-parser'), | ||
| bodyParser = require('body-parser'), | ||
| methodOverride = require('method-override'), | ||
| app = express(), | ||
| server = require('http').Server(app), | ||
| io = require('socket.io')(server); | ||
|
|
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| io.set('transports', ['polling']); | ||
|
|
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| var port = process.env.PORT || 4000; | ||
| var options = { | ||
| optionA : process.env.OPTION_A || "Cats", | ||
| optionB : process.env.OPTION_B || "Dogs" | ||
| }; | ||
|
|
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| io.sockets.on('connection', function (socket) { | ||
|
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| socket.emit('message', { text : 'Welcome!' , options: options}); | ||
|
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| socket.on('subscribe', function (data) { | ||
| socket.join(data.channel); | ||
| }); | ||
| }); | ||
|
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| async.retry( | ||
| {times: 1000, interval: 1000}, | ||
| function(callback) { | ||
| pg.connect('postgres://postgres@db/postgres', function(err, client, done) { | ||
| if (err) { | ||
| console.error("Waiting for db"); | ||
| } | ||
| callback(err, client); | ||
| }); | ||
| }, | ||
| function(err, client) { | ||
| if (err) { | ||
| return console.err("Giving up"); | ||
| } | ||
| console.log("Connected to db"); | ||
| getVotes(client); | ||
| } | ||
| ); | ||
|
|
||
|
|
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| function getVotes(client) { | ||
| client.query('SELECT vote, COUNT(id) AS count FROM votes GROUP BY vote', [], function(err, result) { | ||
| if (err) { | ||
| console.error("Error performing query: " + err); | ||
| } else { | ||
| var votes = collectVotesFromResult(result); | ||
| io.sockets.emit("scores", JSON.stringify(votes)); | ||
| } | ||
|
|
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| setTimeout(function() {getVotes(client) }, 1000); | ||
| }); | ||
| } | ||
|
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|
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|
|
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| function collectVotesFromResult(result) { | ||
| var votes = {a: 0, b: 0}; | ||
|
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| result.rows.forEach(function (row) { | ||
| votes[row.vote] = parseInt(row.count); | ||
| }); | ||
|
|
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| return votes; | ||
| } | ||
|
|
||
| app.use(cookieParser()); | ||
| app.use(bodyParser()); | ||
| app.use(methodOverride('X-HTTP-Method-Override')); | ||
| app.use(function(req, res, next) { | ||
| res.header("Access-Control-Allow-Origin", "*"); | ||
| res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); | ||
| res.header("Access-Control-Allow-Methods", "PUT, GET, POST, DELETE, OPTIONS"); | ||
| next(); | ||
| }); | ||
|
|
||
| app.use(express.static(__dirname + '/views')); | ||
|
|
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| app.get('/', function (req, res) { | ||
| res.sendFile(path.resolve(__dirname + '/views/index.html')); | ||
| }); | ||
|
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||
|
|
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| server.listen(port, function () { | ||
| var port = server.address().port; | ||
| console.log('App running on port ' + port); | ||
| }); | ||
| // var express = require('express'), | ||
| // async = require('async'), | ||
| // pg = require("pg"), | ||
| // cookieParser = require('cookie-parser'), | ||
| // bodyParser = require('body-parser'), | ||
| // methodOverride = require('method-override'), | ||
| // app = express(), | ||
| // server = require('http').Server(app), | ||
| // io = require('socket.io')(server); | ||
| // | ||
| // io.set('transports', ['polling']); | ||
| // | ||
| // var port = process.env.PORT || 4000; | ||
| // var options = { | ||
| // optionA : process.env.OPTION_A || "Cats", | ||
| // optionB : process.env.OPTION_B || "Dogs" | ||
| // }; | ||
| // | ||
| // io.sockets.on('connection', function (socket) { | ||
| // | ||
| // socket.emit('message', { text : 'Welcome!' , options: options}); | ||
| // | ||
| // socket.on('subscribe', function (data) { | ||
| // socket.join(data.channel); | ||
| // }); | ||
| // }); | ||
| // | ||
| // async.retry( | ||
| // {times: 1000, interval: 1000}, | ||
| // function(callback) { | ||
| // pg.connect('postgres://postgres@db/postgres', function(err, client, done) { | ||
| // if (err) { | ||
| // console.error("Waiting for db"); | ||
| // } | ||
| // callback(err, client); | ||
| // }); | ||
| // }, | ||
| // function(err, client) { | ||
| // if (err) { | ||
| // return console.err("Giving up"); | ||
| // } | ||
| // console.log("Connected to db"); | ||
| // getVotes(client); | ||
| // } | ||
| // ); | ||
| // | ||
| // | ||
| // function getVotes(client) { | ||
| // client.query('SELECT vote, COUNT(id) AS count FROM votes GROUP BY vote', [], function(err, result) { | ||
| // if (err) { | ||
| // console.error("Error performing query: " + err); | ||
| // } else { | ||
| // var votes = collectVotesFromResult(result); | ||
| // io.sockets.emit("scores", JSON.stringify(votes)); | ||
| // } | ||
| // | ||
| // setTimeout(function() {getVotes(client) }, 1000); | ||
| // }); | ||
| // } | ||
| // | ||
| // | ||
| // | ||
| // function collectVotesFromResult(result) { | ||
| // var votes = {a: 0, b: 0}; | ||
| // | ||
| // result.rows.forEach(function (row) { | ||
| // votes[row.vote] = parseInt(row.count); | ||
| // }); | ||
| // | ||
| // return votes; | ||
| // } | ||
| // | ||
| // app.use(cookieParser()); | ||
| // app.use(bodyParser()); | ||
| // app.use(methodOverride('X-HTTP-Method-Override')); | ||
| // app.use(function(req, res, next) { | ||
| // res.header("Access-Control-Allow-Origin", "*"); | ||
| // res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); | ||
| // res.header("Access-Control-Allow-Methods", "PUT, GET, POST, DELETE, OPTIONS"); | ||
| // next(); | ||
| // }); | ||
| // | ||
| // app.use(express.static(__dirname + '/views')); | ||
| // | ||
| // app.get('/', function (req, res) { | ||
| // res.sendFile(path.resolve(__dirname + '/views/index.html')); | ||
| // }); | ||
| // | ||
| // | ||
| // server.listen(port, function () { | ||
| // var port = server.address().port; | ||
| // console.log('App running on port ' + port); | ||
| // }); |