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(C++) PayPal Search for Invoices

Search PayPal invoices.

See also SearchInvoices

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#include <CkJsonObject.h>
#include <CkStringBuilder.h>
#include <CkRest.h>

void ChilkatSample(void)
    {
    // 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)
    CkJsonObject jsonToken;
    jsonToken.LoadFile("qa_data/tokens/paypal.json");

    // Build the Authorization request header field value.
    CkStringBuilder sbAuth;
    // 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;
    bool bAutoReconnect = true;
    bool success = rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        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
    CkJsonObject json;
    json.put_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);

    std::cout << json.emit() << "\r\n";

    // 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.put_EmitCompact(true);
    CkStringBuilder sbRequestBody;
    CkStringBuilder sbResponseBody;

    rest.AddHeader("Content-Type","application/json");
    rest.AddHeader("Authorization",sbAuth.getAsString());
    json.EmitSb(sbRequestBody);

    success = rest.FullRequestSb("POST","/v1/invoicing/search",sbRequestBody,sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // We should have some sort of JSON response.  It could be successful, or an error.
    CkJsonObject jsonResponse;
    jsonResponse.put_EmitCompact(false);
    jsonResponse.LoadSb(sbResponseBody);

    std::cout << "Response Status Code = " << rest.get_ResponseStatusCode() << "\r\n";

    // Did we get a 200 success response?
    if (rest.get_ResponseStatusCode() != 200) {
        // Show the JSON response body
        std::cout << jsonResponse.emit() << "\r\n";
        std::cout << "Failed." << "\r\n";
        return;
    }

    // Sample response JSON is shown below.

    // Iterate over each invoice and get some information from each..
    int numInvoices = jsonResponse.SizeOfArray("invoices");
    int i = 0;
    while (i < numInvoices) {
        jsonResponse.put_I(i);
        std::cout << "Invoice ID: " << jsonResponse.stringOf("invoices[i].id") << "\r\n";
        std::cout << "Shipping First Name: " << jsonResponse.stringOf("invoices[i].shipping_info.first_name") << "\r\n";
        int j = 0;
        int numBillingInfo = jsonResponse.SizeOfArray("invoices[i].billing_info");
        while (j < numBillingInfo) {
            jsonResponse.put_J(j);
            std::cout << "billing_info email: " << jsonResponse.stringOf("invoices[i].billing_info[j].email") << "\r\n";
            j = j + 1;
        }

        int numLinks = jsonResponse.SizeOfArray("invoices[i].links");
        j = 0;
        while (j < numLinks) {
            jsonResponse.put_J(j);
            std::cout << "link: " << jsonResponse.stringOf("invoices[i].links[j].href") << "\r\n";
            j = j + 1;
        }

        std::cout << "----" << "\r\n";
        i = i + 1;
    }

    std::cout << "Success." << "\r\n";

    // 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"
    //         }
    //       ]
    //     }
    //   ]
    // }
    // 
    }

 

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