Chilkat Examples

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Unicode C Web API Examples

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(Unicode C) PayPal - Update Invoice

Update a PayPal invoice.

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

See also PayPal Update Invoice REST API Reference

Chilkat C/C++ Library Downloads

MS Visual C/C++

Linux/CentOS/Heroku C/C++

MAC OS X C/C++

C++ Builder

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iOS C/C++

Android C/C++

Raspberry Pi C/C++

Windows Mobile 5.0/Pocket PC 2003

ARM Embedded Linux C/C++

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MinGW C/C++

#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkRestW.h>

void ChilkatSample(void)
    {
    HCkJsonObjectW jsonToken;
    HCkStringBuilderW sbAuth;
    HCkRestW rest;
    BOOL bAutoReconnect;
    BOOL success;
    HCkJsonObjectW json;
    const wchar_t *invoiceId;
    HCkStringBuilderW sbPath;
    HCkStringBuilderW sbJsonRequest;
    HCkStringBuilderW sbJsonResponse;
    int numItems;
    int i;

    // 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)
    jsonToken = CkJsonObjectW_Create();
    CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/paypal.json");

    // Build the Authorization request header field value.
    sbAuth = CkStringBuilderW_Create();
    // token_type should be "Bearer"
    CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"token_type"));
    CkStringBuilderW_Append(sbAuth,L" ");
    CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"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.
    rest = CkRestW_Create();
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"api.sandbox.paypal.com",443,TRUE,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkJsonObjectW_Dispose(jsonToken);
        CkStringBuilderW_Dispose(sbAuth);
        CkRestW_Dispose(rest);
        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..
    // ----------------------------------------------------------------------------------------------

    // First create the JSON with updated information:

    json = CkJsonObjectW_Create();
    CkJsonObjectW_putEmitCompact(json,FALSE);
    CkJsonObjectW_UpdateString(json,L"merchant_info.email",L"smith-facilitator@chilkatsoft.com");
    CkJsonObjectW_UpdateString(json,L"merchant_info.first_name",L"Joe");
    CkJsonObjectW_UpdateString(json,L"merchant_info.last_name",L"Facilitator");
    CkJsonObjectW_UpdateString(json,L"merchant_info.business_name",L"Medical Professionals, LLC");
    CkJsonObjectW_UpdateString(json,L"merchant_info.phone.country_code",L"001");
    CkJsonObjectW_UpdateString(json,L"merchant_info.phone.national_number",L"5032141716");
    CkJsonObjectW_UpdateString(json,L"merchant_info.address.line1",L"1234 Main St.");
    CkJsonObjectW_UpdateString(json,L"merchant_info.address.city",L"Portland");
    CkJsonObjectW_UpdateString(json,L"merchant_info.address.state",L"OR");
    CkJsonObjectW_UpdateString(json,L"merchant_info.address.postal_code",L"97217");
    CkJsonObjectW_UpdateString(json,L"merchant_info.address.country_code",L"US");
    CkJsonObjectW_UpdateString(json,L"billing_info[0].email",L"smith-buyer@chilkatsoft.com");
    CkJsonObjectW_UpdateString(json,L"shipping_info.first_name",L"Sally");
    CkJsonObjectW_UpdateString(json,L"shipping_info.last_name",L"Patient");
    CkJsonObjectW_UpdateString(json,L"shipping_info.business_name",L"Not applicable");
    CkJsonObjectW_UpdateString(json,L"shipping_info.phone.country_code",L"001");
    CkJsonObjectW_UpdateString(json,L"shipping_info.phone.national_number",L"5039871234");
    CkJsonObjectW_UpdateString(json,L"shipping_info.address.line1",L"1234 Broad St.");
    CkJsonObjectW_UpdateString(json,L"shipping_info.address.city",L"Portland");
    CkJsonObjectW_UpdateString(json,L"shipping_info.address.state",L"OR");
    CkJsonObjectW_UpdateString(json,L"shipping_info.address.postal_code",L"97216");
    CkJsonObjectW_UpdateString(json,L"shipping_info.address.country_code",L"US");
    CkJsonObjectW_UpdateString(json,L"items[0].name",L"Sutures");
    // We are updating the quantity from 100.0 to 200.0
    // Note: The UpdateNumber method is added in v9.5.0.65
    CkJsonObjectW_UpdateNumber(json,L"items[0].quantity",L"200.0");
    CkJsonObjectW_UpdateString(json,L"items[0].unit_price.currency",L"USD");
    CkJsonObjectW_UpdateString(json,L"items[0].unit_price.value",L"5.00");
    CkJsonObjectW_UpdateString(json,L"payment_term.term_type",L"NET_45");
    CkJsonObjectW_UpdateString(json,L"payment_term.due_date",L"2016-12-30 PST");
    CkJsonObjectW_UpdateString(json,L"note",L"Medical Invoice 16 Jul, 2013 PST");

    // The JSON created by the above code is this:

    // 	{ 
    // 	  "merchant_info": { 
    // 	    "email": "smith-facilitator@chilkatsoft.com",
    // 	    "first_name": "Joe",
    // 	    "last_name": "Facilitator",
    // 	    "business_name": "Medical Professionals, LLC",
    // 	    "phone": { 
    // 	      "country_code": "001",
    // 	      "national_number": "5032141716"
    // 	    },
    // 	    "address": { 
    // 	      "line1": "1234 Main St.",
    // 	      "city": "Portland",
    // 	      "state": "OR",
    // 	      "postal_code": "97217",
    // 	      "country_code": "US"
    // 	    }
    // 	  },
    // 	  "billing_info": [
    // 	    { 
    // 	      "email": "smith-buyer@chilkatsoft.com"
    // 	    }
    // 	  ],
    // 	  "shipping_info": { 
    // 	    "first_name": "Sally",
    // 	    "last_name": "Patient",
    // 	    "business_name": "Not applicable",
    // 	    "phone": { 
    // 	      "country_code": "001",
    // 	      "national_number": "5039871234"
    // 	    },
    // 	    "address": { 
    // 	      "line1": "1234 Broad St.",
    // 	      "city": "Portland",
    // 	      "state": "OR",
    // 	      "postal_code": "97216",
    // 	      "country_code": "US"
    // 	    }
    // 	  },
    // 	  "items": [
    // 	    { 
    // 	      "name": "Sutures",
    // 	      "quantity": 200.0,
    // 	      "unit_price": { 
    // 	        "currency": "USD",
    // 	        "value": "5.00"
    // 	      }
    // 	    }
    // 	  ],
    // 	  "payment_term": { 
    // 	    "term_type": "NET_45",
    // 	    "due_date": "2016-12-30 PST"
    // 	  },
    // 	  "note": "Medical Invoice 16 Jul, 2013 PST"
    // 	}

    CkRestW_AddHeader(rest,L"Authorization",CkStringBuilderW_getAsString(sbAuth));
    CkRestW_AddHeader(rest,L"Content-Type",L"application/json");

    invoiceId = L"INV2-XV4B-736P-PLVN-SZCE";

    sbPath = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbPath,L"/v1/invoicing/invoices/");
    CkStringBuilderW_Append(sbPath,invoiceId);

    // Send the PUT request containign the JSON in the request body, and get the JSON response.
    sbJsonRequest = CkStringBuilderW_Create();
    CkJsonObjectW_EmitSb(json,sbJsonRequest);
    sbJsonResponse = CkStringBuilderW_Create();
    success = CkRestW_FullRequestSb(rest,L"PUT",CkStringBuilderW_getAsString(sbPath),sbJsonRequest,sbJsonResponse);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkJsonObjectW_Dispose(jsonToken);
        CkStringBuilderW_Dispose(sbAuth);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbPath);
        CkStringBuilderW_Dispose(sbJsonRequest);
        CkStringBuilderW_Dispose(sbJsonResponse);
        return;
    }

    CkJsonObjectW_LoadSb(json,sbJsonResponse);

    wprintf(L"Response Status Code = %d\n",CkRestW_getResponseStatusCode(rest));

    // Did we get a 200 success response?
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        wprintf(L"%s\n",CkJsonObjectW_emit(json));
        wprintf(L"Failed.\n");
        CkJsonObjectW_Dispose(jsonToken);
        CkStringBuilderW_Dispose(sbAuth);
        CkRestW_Dispose(rest);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbPath);
        CkStringBuilderW_Dispose(sbJsonRequest);
        CkStringBuilderW_Dispose(sbJsonResponse);
        return;
    }

    // Sample response JSON is shown below.

    // Get some information..
    wprintf(L"email: %s\n",CkJsonObjectW_stringOf(json,L"merchant_info.email"));
    wprintf(L"business_name: %s\n",CkJsonObjectW_stringOf(json,L"merchant_info.business_name"));

    numItems = CkJsonObjectW_SizeOfArray(json,L"items");
    i = 0;
    while (i < numItems) {
        CkJsonObjectW_putI(json,i);
        wprintf(L"item name: %s\n",CkJsonObjectW_stringOf(json,L"items[i].name"));
        wprintf(L"item quantity: %s\n",CkJsonObjectW_stringOf(json,L"items[i].quantity"));
        wprintf(L"item currency: %s\n",CkJsonObjectW_stringOf(json,L"items[i].unit_price.currency"));
        wprintf(L"item value: %s\n",CkJsonObjectW_stringOf(json,L"items[i].unit_price.value"));
        wprintf(L"----\n");
        i = i + 1;
    }

    wprintf(L"Success.\n");


    CkJsonObjectW_Dispose(jsonToken);
    CkStringBuilderW_Dispose(sbAuth);
    CkRestW_Dispose(rest);
    CkJsonObjectW_Dispose(json);
    CkStringBuilderW_Dispose(sbPath);
    CkStringBuilderW_Dispose(sbJsonRequest);
    CkStringBuilderW_Dispose(sbJsonResponse);

    }

 

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