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app.js
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app.js
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var express = require('express')
, app = express()
, redis = require('redis').createClient()
, _ = require('lodash')
, bodyParser = require('body-parser');
app.use(bodyParser.json());
app.get('/*', function (req, res) {
res.sendStatus(400);
});
app.post('/notify', function (req, res) {
var userId = req.body.user_id;
var message = req.body.message;
var payload = req.body.payload;
if (!userId || _.isNaN(userId)) {
res.status(406).send("Invalid or missing parameter: user_id");
return;
}
if (!message || !isString(message)) {
res.status(406).send("Invalid or missing parameter: message");
return;
}
if (!payload) {
console.log(payload);
res.status(406).send("Invalid or missing parameter: payload");
return;
}
var queueRequest = {
'user_id': userId,
'message': message,
'payload': payload,
'include_notification_key': false
}
// Probably need a filter here, but this is just a demo server
redis.lpush('yodel:notify', JSON.stringify(queueRequest), function(err, data) {
console.log('yodel:notify', data);
if (err) {
console.log(err);
}
res.status(200).send('{ "status": "successful" }');
});
})
app.post('/subscribe', function (req, res) {
var userId = req.body.user_id;
var token = req.body.token;
var platform = req.body.platform;
if (!userId || _.isNaN(userId)) {
res.status(406).send("Invalid or missing parameter: user_id");
return;
}
if (!token || !isString(token)) {
res.status(406).send("Invalid or missing parameter: token");
return;
}
if (!platform || !isString(platform)) {
console.log(platform);
res.status(406).send("Invalid or missing parameter: platform");
return;
}
var queueRequest = {
'user_id': userId,
'token': token,
'platform': platform,
'send_notification_key': true
};
redis.lpush('yodel:subscribe', JSON.stringify(queueRequest), function(err, data) {
console.log('yodel:subscribe', data);
if (err) {
console.log(err);
}
res.status(200).send('{ "status": "successful" }');
});
})
app.post('/unsubscribe', function (req, res) {
var userId = req.body.user_id;
var token = req.body.token;
var platform = req.body.platform || 'android';
if (!userId || _.isNaN(userId)) {
res.status(406).send("Invalid or missing parameter: user_id");
return;
}
if (!token || !isString(token)) {
res.status(406).send("Invalid or missing parameter: token");
return;
}
if (!platform || !isString(platform)) {
console.log(platform);
res.status(406).send("Invalid or missing parameter: platform");
return;
}
var queueRequest = {
'user_id': userId,
'token': token,
'platform': platform
};
redis.lpush('yodel:unsubscribe', JSON.stringify(queueRequest), function(err, data) {
console.log('yodel:unsubscribe', data);
if (err) {
console.log(err);
}
res.status(200).send('{ "status": "successful" }');
});
})
var server = app.listen(3000, function () {
var host = '10.0.1.22' //server.address().address
var port = server.address().port
console.log('Yodel demo HTTP server listening at http://%s:%s', host, port)
})
function isJsonString(str) {
try {
JSON.parse(str);
} catch (err) {
console.log("JSON Parse Error: " + err);
return false;
}
return true;
}
function isString(obj) {
return typeof obj == 'string' || obj instanceof String;
}