lib.setup = function(_config) {
d("Starting up..");
config = _config || config;
config.key_prefix = _config && _config.key_prefix ? _config.key_prefix : key_prefix;
return compose.setup(config.compose)
.then(redisConnection)
.then(createApi)
.catch(function(e) {
console.error("Error occured!");
console.error(e);
})
.finally(function() {
d("Done!");
});
};
var compose_request = function(type, req, res) {
var authorization = req.headers.authorization || null;
var soid = null;
var stream = null;
var channel = null;
var body = null;
var _empty = function(o) { return Object.keys(o).length === 0; };
var _fail = function(v, msg) {
v = v || 500;
msg = msg || "Request failed"
console.warn(msg);
res.status(v).send(msg).end();
};
var _failLog = function(e) {
console.warn(e);
_fail();
};
var _success = function() {
res.status(200).end();
};
var _successResponse = function(streamData) {
res.send(streamData.get());
};
/**
* "X-" prefixes are deprecated, so going with custom ones unprefixed
* http://tools.ietf.org/html/rfc6648
*/
// check soid in headers
if(req.headers.soid) {
soid = req.headers.soid;
}
// check stream in headers
if(req.headers.stream) {
stream = req.headers.stream;
}
// check channel in headers
if(req.headers.channel) {
channel = req.headers.channel;
}
if(!_empty(req.body)) {
body = req.body;
}
else if(!_empty(req.query)) {
body = req.query;
}
else if (!_empty(req.params)) {
body = req.params;
}
if(body) {
if(body.soid) {
soid = body.soid;
delete body.soid;
}
if(body.stream) {
stream = body.stream;
delete body.stream;
}
if(body.channel) {
channel = body.channel;
delete body.channel;
}
if(body.data) {
body = body.data;
}
}
// check auth header
if(!authorization) {
return _fail(403, "Missing api key");
}
if(!soid) {
return _fail(400, "Missing soid");
}
if(!stream) {
return _fail(400, "Missing stream");
}
compose.setup({
apiKey: req.headers.authorization,
debug: composeDebug,
transport: 'http'
}).then(function(api) {
return api.load(soid).then(function(so) {
console.log("Requested SO id %s\n stream ", soid, stream);
var streamObject = so.getStream(stream);
console.log(streamObject);
if(type === 'set') {
streamObject.push(body)
.then(_success).catch(_failLog);
}
if(type === 'get') {
streamObject.pull("lastUpdate")
.then(function(data) {
_successResponse( channel ? r.get(channel) : r );
}).catch(_failLog);
}
}).catch(_failLog);
})
.catch(_failLog);
};