(Android™) 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.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // 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)
    CkJsonObject jsonToken = new CkJsonObject();
    jsonToken.LoadFile("qa_data/tokens/paypal.json");

    // Build the Authorization request header field value.
    CkStringBuilder sbAuth = new CkStringBuilder();
    // 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.
    CkRest rest = new CkRest();
    boolean bAutoReconnect = true;
    boolean success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect);
    if (success != true) {
        Log.i(TAG, 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.
    CkStringBuilder sbJsonResponse = new CkStringBuilder();
    success = rest.FullRequestNoBodySb("GET","/v1/payments/payment",sbJsonResponse);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    json.LoadSb(sbJsonResponse);

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

    Log.i(TAG, "Response Status Code = " + String.valueOf(rest.get_ResponseStatusCode()));

    // Did we get a 200 success response?
    if (rest.get_ResponseStatusCode() != 200) {
        Log.i(TAG, json.emit());
        Log.i(TAG, "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.
    int numPayments = json.SizeOfArray("payments");
    int i = 0;
    while (i < numPayments) {

        json.put_I(i);
        int j = 0;
        int numTransactions = json.SizeOfArray("payments[i].transactions");
        while (j < numTransactions) {
            json.put_J(j);
            int numRelatedResources = json.SizeOfArray("payments[i].transactions[j].related_resources");
            int k = 0;
            while (k < numRelatedResources) {
                json.put_K(k);
                if (json.HasMember("payments[i].transactions[j].related_resources[k].sale") == true) {
                    CkJsonObject jsonSale = json.ObjectOf("payments[i].transactions[j].related_resources[k].sale");
                    Log.i(TAG, "sale id: " + jsonSale.stringOf("id"));
                    Log.i(TAG, "state: " + jsonSale.stringOf("state"));
                    Log.i(TAG, "total: " + jsonSale.stringOf("amount.total"));
                    Log.i(TAG, "----");

                    }

                k = k + 1;
                }

            j = j + 1;
            }

        i = i + 1;
        }

    Log.i(TAG, "success");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}