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Dart

PayPal List Merchant Invoices

See more PayPal Examples

List PayPal invoices.

See also PayPal List Invoices REST API Reference

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // Note: Requires Chilkat v9.5.0.64 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)
  final jsonToken = CkJsonObject();
  jsonToken.loadFile('qa_data/tokens/paypal.json');

  // Build the Authorization request header field value.
  final sbAuth = 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.
  final rest = CkRest();
  final bAutoReconnect = true;
  try {
    rest.connect('api.sandbox.paypal.com', 443, true, bAutoReconnect);
  } on ChilkatException catch (e) {
    print(e.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..
  // ----------------------------------------------------------------------------------------------

  rest.addHeader('Authorization', sbAuth.getAsString());
  rest.addQueryParam('page', '0');
  rest.addQueryParam('page_size', '20');
  rest.addQueryParam('total_count_required', 'true');

  // Send the GET request and get the JSON response.
  final sbJsonResponse = CkStringBuilder();
  try {
    rest.fullRequestNoBodySb('GET', '/v1/invoicing/invoices', sbJsonResponse);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final json = CkJsonObject();
  json.emitCompact = false;
  json.loadSb(sbJsonResponse);

  print('Response Status Code = ${rest.responseStatusCode}');

  // Did we get a 200 success response?
  if (rest.responseStatusCode != 200) {
    print(json.emit());
    print('Failed.');
    return;
  }

  // Sample response JSON is shown below.

  // Iterate over each invoice and get some information from each..
  final numInvoices = json.sizeOfArray('invoices');
  var i = 0;
  while (i < numInvoices) {
    json.i = i;
    print('Invoice ID: ${json.stringOf('invoices[i].id')}');
    print('Invoice Number: ${json.stringOf('invoices[i].number')}');
    print('Invoice Status: ${json.stringOf('invoices[i].status')}');
    print('Shipping First Name: ${json.stringOf('invoices[i].shipping_info.first_name')}');
    var j = 0;
    final numBillingInfo = json.sizeOfArray('invoices[i].billing_info');
    while (j < numBillingInfo) {
      json.j = j;
      print('billing_info email: ${json.stringOf('invoices[i].billing_info[j].email')}');
      j++;
    }

    final numLinks = json.sizeOfArray('invoices[i].links');
    j = 0;
    while (j < numLinks) {
      json.j = j;
      print('link: ${json.stringOf('invoices[i].links[j].href')}');
      j++;
    }

    print('----');
    i++;
  }

  print('Success.');

  // 	{ 
  // 	  "total_count": 2,
  // 	  "invoices": [
  // 	    { 
  // 	      "id": "INV2-XV4B-736P-PLVN-SZCE",
  // 	      "number": "0002",
  // 	      "status": "DRAFT",
  // 	      "merchant_info": { 
  // 	        "email": "smith-facilitator@chilkatsoft.com"
  // 	      },
  // 	      "billing_info": [
  // 	        { 
  // 	          "email": "smith-buyer@chilkatsoft.com"
  // 	        }
  // 	      ],
  // 	      "shipping_info": { 
  // 	        "email": "smith-buyer@chilkatsoft.com",
  // 	        "first_name": "Sally",
  // 	        "last_name": "Patient",
  // 	        "business_name": "Not applicable"
  // 	      },
  // 	      "invoice_date": "2016-11-15 PST",
  // 	      "payment_term": { 
  // 	        "due_date": "2016-12-30 PST"
  // 	      },
  // 	      "note": "Medical Invoice 16 Jul, 2013 PST",
  // 	      "total_amount": { 
  // 	        "currency": "USD",
  // 	        "value": "500.00"
  // 	      },
  // 	      "metadata": { 
  // 	        "created_date": "2016-11-15 08:09:21 PST"
  // 	      },
  // 	      "paid_amount": { 
  // 	        "paypal": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        },
  // 	        "other": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        }
  // 	      },
  // 	      "refunded_amount": { 
  // 	        "paypal": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        },
  // 	        "other": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        }
  // 	      },
  // 	      "links": [
  // 	        { 
  // 	          "rel": "self",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
  // 	          "method": "GET"
  // 	        },
  // 	        { 
  // 	          "rel": "send",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/send",
  // 	          "method": "POST"
  // 	        },
  // 	        { 
  // 	          "rel": "update",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE/update",
  // 	          "method": "PUT"
  // 	        },
  // 	        { 
  // 	          "rel": "delete",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-XV4B-736P-PLVN-SZCE",
  // 	          "method": "DELETE"
  // 	        }
  // 	      ]
  // 	    },
  // 	    { 
  // 	      "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
  // 	      "number": "0001",
  // 	      "status": "SENT",
  // 	      "merchant_info": { 
  // 	        "email": "smith-facilitator@chilkatsoft.com"
  // 	      },
  // 	      "billing_info": [
  // 	        { 
  // 	          "email": "smith-buyer@chilkatsoft.com"
  // 	        }
  // 	      ],
  // 	      "shipping_info": { 
  // 	        "email": "smith-buyer@chilkatsoft.com",
  // 	        "first_name": "Sally",
  // 	        "last_name": "Patient",
  // 	        "business_name": "Not applicable"
  // 	      },
  // 	      "invoice_date": "2016-11-15 PST",
  // 	      "payment_term": { 
  // 	        "due_date": "2016-12-30 PST"
  // 	      },
  // 	      "note": "Medical Invoice 16 Jul, 2013 PST",
  // 	      "total_amount": { 
  // 	        "currency": "USD",
  // 	        "value": "500.00"
  // 	      },
  // 	      "metadata": { 
  // 	        "created_date": "2016-11-15 06:17:03 PST",
  // 	        "payer_view_url": "https://www.sandbox.paypal.com/cgi_bin/webscr?cmd=_pay-inv&viewtype=altview&id=INV2-ZG2H-HKAW-PMWU-N6ZR"
  // 	      },
  // 	      "paid_amount": { 
  // 	        "paypal": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        },
  // 	        "other": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        }
  // 	      },
  // 	      "refunded_amount": { 
  // 	        "paypal": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        },
  // 	        "other": { 
  // 	          "currency": "USD",
  // 	          "value": "0.00"
  // 	        }
  // 	      },
  // 	      "links": [
  // 	        { 
  // 	          "rel": "self",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
  // 	          "method": "GET"
  // 	        },
  // 	        { 
  // 	          "rel": "update",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
  // 	          "method": "PUT"
  // 	        },
  // 	        { 
  // 	          "rel": "cancel",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/remind",
  // 	          "method": "POST"
  // 	        },
  // 	        { 
  // 	          "rel": "remind",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/cancel",
  // 	          "method": "POST"
  // 	        },
  // 	        { 
  // 	          "rel": "record-payment",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/record-payment",
  // 	          "method": "POST"
  // 	        },
  // 	        { 
  // 	          "rel": "qr-code",
  // 	          "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/qr-code",
  // 	          "method": "GET"
  // 	        }
  // 	      ]
  // 	    }
  // 	  ],
  // 	  "links": [
  // 	    { 
  // 	      "rel": "self",
  // 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices?page=0&page_size=20&total_count_required=true",
  // 	      "method": "GET"
  // 	    }
  // 	  ]
  // 	}
  // 
}