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Client.js
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Client.js
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var ResponseHandler = require('./ResponseHandler');
var Request = require('./Request');
var https = require('https');
var querystring = require('querystring');
// Singleton pattern
var Client = (function() {
var instance;
function createInstance(userName, password) {
var object = new Object();
// Default values for authentification
object.userName = userName;
object.password = password;
object.protocol = "https";
object.method = "POST";
object.host = "api.evercontact.com";
object.path = "/pulse-api/tag";
object.timeout = 15000;
object.execute = function(request, callback) {
var responseHandler = new ResponseHandler();
var data = request.data;
data.ApiUser = this.userName; // we add the POST field ApiUser
var postData = querystring.stringify(data);
var url = this.protocole + "://" + this.endPoint;
// An object of options to indicate where to post to
var port = 80;
if(this.protocol === "https")
port = 443;
var postOptions = {
host: this.host,
port: port,
path: this.path,
method: this.method,
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length': Buffer.byteLength(postData),
'Authorization' : 'Basic ' + new Buffer(this.userName + ':' + this.password).toString('base64')
}
};
// Set up the request
var postReq = https.request(postOptions, function(res) {
res.setEncoding('utf8');
res.on('data', function (chunk) {
try {
var result = JSON.parse(chunk);
if(result.success) {
responseHandler.status = ResponseHandler.ResponseStatus.SUCCEED;
responseHandler.createContact(result.signature);
}
else {
responseHandler.status = ResponseHandler.ResponseStatus.FAILED;
responseHandler.errors = result.errorMessages;
}
callback(responseHandler);
} catch(e) {
responseHandler.status = ResponseHandler.ResponseStatus.FAILED;
}
});
});
postReq.setTimeout(this.timeout, function() {
responseHandler.status = ResponseHandler.ResponseStatus.TIME_OUT;
postReq.abort()
});
postReq.on('error', function(err) {
console.log(err);
responseHandler.status = ResponseHandler.ResponseStatus.FAILED;
callback(responseHandler)
});
// Post the data
postReq.write(postData);
postReq.end();
};
return object;
}
return {
getDefault : function(userName, password) {
if(!instance) {
instance = createInstance(userName, password);
} else {
instance.userName = userName;
instance.password = password;
}
return instance;
}
};
})();
module.exports = Client;