Chilkat Examples

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Node.js Web API Examples

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(Node.js) PayPal - Find Completed Sales

List payments and find completed payments (sales transactions). Get the sales id, state, and total amount for each.

Note: This example requires Chilkat v9.5.0.65 or greater.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js

Chilkat npm packages for Electron

on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

    // Note: Requires Chilkat v9.5.0.65 or greater.

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Load our previously obtained access token. (see PayPal OAuth2 Access Token)
    var jsonToken = new chilkat.JsonObject();
    jsonToken.LoadFile("qa_data/tokens/paypal.json");

    // Build the Authorization request header field value.
    var sbAuth = new chilkat.StringBuilder();
    // token_type should be "Bearer"
    sbAuth.Append(jsonToken.StringOf("token_type"));
    sbAuth.Append(" ");
    sbAuth.Append(jsonToken.StringOf("access_token"));

    // Make the initial connection.
    // A single REST object, once connected, can be used for many PayPal REST API calls.
    // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
    // then it will be automatically re-established as needed.
    var rest = new chilkat.Rest();
    var bAutoReconnect = true;
    var success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // ----------------------------------------------------------------------------------------------
    // The code above this comment could be placed inside a function/subroutine within the application
    // because the connection does not need to be made for every request.  Once the connection is made
    // the app may send many requests..
    // ----------------------------------------------------------------------------------------------

    // Clear the REST object of any headers or query params from previous requests.
    rest.ClearAllHeaders();
    rest.ClearAllQueryParams();

    rest.AddHeader("Authorization",sbAuth.GetAsString());

    // To find sales transactions, we list payments and look for those
    // containing "sale" transactions
    rest.AddQueryParam("count","100");
    rest.AddQueryParam("start_index","0");
    rest.AddQueryParam("sort_by","update_time");
    rest.AddQueryParam("sort_order","asc");

    // Send the GET request and get the JSON response.
    var sbJsonResponse = new chilkat.StringBuilder();
    success = rest.FullRequestNoBodySb("GET","/v1/payments/payment",sbJsonResponse);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var json = new chilkat.JsonObject();
    json.EmitCompact = false;
    json.LoadSb(sbJsonResponse);

    // (optional) Save the entire JSON response to a file to examine if desired..
    var sbTemp = new chilkat.StringBuilder();
    json.EmitSb(sbTemp);
    sbTemp.WriteFile("qa_output/paypal_payments.json","utf-8",false);

    console.log("Response Status Code = " + rest.ResponseStatusCode);

    // Did we get a 200 success response?
    if (rest.ResponseStatusCode !== 200) {
        console.log(json.Emit());
        console.log("Failed.");
        return;
    }

    // We are looking for sales transactions .
    // As shown below, we are looking in the "transactions" for "related_resources"
    // containing "sale" JSON objects. 

    // 	{ 
    // 	  "payments": [
    // 	    { 
    // 	      "id": "PAY-66A12106PU3254228LA3BYKI",
    // 	      "create_time": "2016-11-23T22:46:01Z",
    // 	      "update_time": "2016-11-23T22:46:07Z",
    // 	      "state": "approved",
    // 	      "intent": "sale",
    // 	      "payer": { 
    // 	          ...
    // 	          }
    // 	        ]
    // 	      },
    // 	      "transactions": [
    // 	        { 
    // 	          ...
    // 	          "related_resources": [
    // 	            { 
    // 	              "sale": { 
    // 	                "id": "70L88278E6781074B",
    // 	                "create_time": "2016-11-23T22:46:01Z",
    // 	                "update_time": "2016-11-23T22:46:07Z",
    // 	                "amount": { 
    // 	                  "total": "7.47",
    // 	                  "currency": "USD"
    // 	                },
    // 	                "state": "completed",
    // 	                "parent_payment": "PAY-66A12106PU3254228LA3BYKI",

    // Iterate over the payments and show each sale transaction.
    var numPayments = json.SizeOfArray("payments");
    var i = 0;
    while (i < numPayments) {

        json.I = i;
        var j = 0;
        var numTransactions = json.SizeOfArray("payments[i].transactions");
        while (j < numTransactions) {
            json.J = j;
            var numRelatedResources = json.SizeOfArray("payments[i].transactions[j].related_resources");
            var k = 0;
            while (k < numRelatedResources) {
                json.K = k;
                if (json.HasMember("payments[i].transactions[j].related_resources[k].sale") == true) {
                    // jsonSale: JsonObject
                    var jsonSale = json.ObjectOf("payments[i].transactions[j].related_resources[k].sale");
                    console.log("sale id: " + jsonSale.StringOf("id"));
                    console.log("state: " + jsonSale.StringOf("state"));
                    console.log("total: " + jsonSale.StringOf("amount.total"));
                    console.log("----");

                }

                k = k+1;
            }

            j = j+1;
        }

        i = i+1;
    }

    console.log("success");

}

chilkatExample();

 

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