Dart
Dart
PayPal Search for Invoices
See more PayPal Examples
Search PayPal invoices.See also SearchInvoices
Chilkat Dart Downloads
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..
// ----------------------------------------------------------------------------------------------
// Create JSON to specify the search
final json = CkJsonObject();
json.emitCompact = false;
json.appendString('start_invoice_date', '2016-01-01 PST');
json.appendString('end_invoice_date', '2016-11-16 PST');
json.appendInt('page', 0);
json.appendInt('page_size', 10);
json.appendBool('total_count_required', true);
print(json.emit());
// The JSON by the above code:
// {
// "start_invoice_date": "2016-01-01 PST",
// "end_invoice_date": "2016-11-16 PST",
// "page": 0,
// "page_size": 10,
// "total_count_required": true
// }
// Send the POST equivalent to this CURL command:
// curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/search/ \
// -H "Content-Type:application/json" \
// -H "Authorization: Bearer Access-Token" \
// -d '{ invoice JSON goes here }'
json.emitCompact = true;
final sbRequestBody = CkStringBuilder();
final sbResponseBody = CkStringBuilder();
rest.addHeader('Content-Type', 'application/json');
rest.addHeader('Authorization', sbAuth.getAsString());
json.emitSb(sbRequestBody);
try {
rest.fullRequestSb('POST', '/v1/invoicing/search', sbRequestBody, sbResponseBody);
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
// We should have some sort of JSON response. It could be successful, or an error.
final jsonResponse = CkJsonObject();
jsonResponse.emitCompact = false;
jsonResponse.loadSb(sbResponseBody);
print('Response Status Code = ${rest.responseStatusCode}');
// Did we get a 200 success response?
if (rest.responseStatusCode != 200) {
// Show the JSON response body
print(jsonResponse.emit());
print('Failed.');
return;
}
// Sample response JSON is shown below.
// Iterate over each invoice and get some information from each..
final numInvoices = jsonResponse.sizeOfArray('invoices');
var i = 0;
while (i < numInvoices) {
jsonResponse.i = i;
print('Invoice ID: ${jsonResponse.stringOf('invoices[i].id')}');
print('Shipping First Name: ${jsonResponse.stringOf('invoices[i].shipping_info.first_name')}');
var j = 0;
final numBillingInfo = jsonResponse.sizeOfArray('invoices[i].billing_info');
while (j < numBillingInfo) {
jsonResponse.j = j;
print('billing_info email: ${jsonResponse.stringOf('invoices[i].billing_info[j].email')}');
j++;
}
final numLinks = jsonResponse.sizeOfArray('invoices[i].links');
j = 0;
while (j < numLinks) {
jsonResponse.j = j;
print('link: ${jsonResponse.stringOf('invoices[i].links[j].href')}');
j++;
}
print('----');
i++;
}
print('Success.');
// A successful response looks like this:
// {
// "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"
// }
// ]
// }
// ]
// }
//
}