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Query Wave Financial Data from Node.js
The API Server exposes Web services that allow connectivity to your data. Use the OData endpoint of the CData API Server to execute CRUD queries to Wave Financial data from Node.js.
The CData API Server, when paired with the ADO.NET Provider for Wave Financial, exposes Wave Financial data (or data from any of 200+ other ADO.NET Providers) as an OData endpoint, which can be queried from Node.js using simple HTTP requests. This article shows how to use the API Server to request JSON-formatted Wave Financial data in Node.js.
Set Up the API Server
Follow the steps below to begin producing secure Wave Financial OData services:
Deploy
The API Server runs on your own server. On Windows, you can deploy using the stand-alone server or IIS. On a Java servlet container, drop in the API Server WAR file. See the help documentation for more information and how-tos.
The API Server is also easy to deploy on Microsoft Azure, Amazon EC2, and Heroku.
Connect to Wave Financial
After you deploy the API Server and the ADO.NET Provider for Wave Financial, provide authentication values and other connection properties needed to connect to Wave Financial by clicking Settings -> Connections and adding a new connection in the API Server administration console.
Connect using the API Token
You can connect to Wave Financial by specifying the APIToken You can obtain an API Token using the following steps:
- Log in to your Wave account and navigate to "Manage Applications" in the left pane.
- Select the application that you would like to create a token for. You may need to create an application first.
- Click the "Create token" button to generate an APIToken.
Connect using OAuth
If you wish, you can connect using the embedded OAuth credentials. See the Help documentation for more information.
You can then choose the Wave Financial entities you want to allow the API Server access to by clicking Settings -> Resources.
Authorize API Server Users
After determining the OData services you want to produce, authorize users by clicking Settings -> Users. The API Server uses authtoken-based authentication and supports the major authentication schemes. Access can also be restricted based on IP address; all IP addresses except the local machine are restricted by default. You can authenticate as well as encrypt connections with SSL.
Consume Wave Financial OData Feeds from Node.js
OData feeds are easy to work with in Node.js. You can use the HTTP client in Node.js to request JSON-formatted data from the API Server's OData endpoint. After making the request, you can construct the body of the response and call the JSON.parse() function to parse it into records.
The code below will make an authenticated request for Invoices data. The example URL below applies a simple filter that searches for records with a value of SENT in the Status column.
var http = require('http');
http.get({
protocol: "http:",
hostname: "MyServer.com",
port: MyPort,
path: "/api.rsc/Invoices?$filter=" + encodeURIComponent("Status eq 'SENT'"),
auth: 'MyUser:MyAuthtoken'
},
function(res) {
var body = '';
res.on('data', function(chunk) {
body += chunk;
});
res.on('end', function() {
console.log(body);
var jsonData = JSON.parse(body);
});
}).on('error', function(e) {
console.log("Error: ", e);
});
