(Unicode C++) PayPal Create Invoice

See more PayPal Examples

Creates a draft invoice.

For more information, see https://developer.paypal.com/docs/api/invoicing/v2/#invoices_create

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#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>
#include <CkRestW.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)
    CkJsonObjectW jsonToken;
    jsonToken.LoadFile(L"qa_data/tokens/paypal.json");

    // Build the Authorization request header field value.
    CkStringBuilderW sbAuth;
    // token_type should be "Bearer"
    sbAuth.Append(jsonToken.stringOf(L"token_type"));
    sbAuth.Append(L" ");
    sbAuth.Append(jsonToken.stringOf(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.
    CkRestW rest;
    bool bAutoReconnect = true;
    bool success = rest.Connect(L"api.sandbox.paypal.com",443,true,bAutoReconnect);
    if (success != true) {
        wprintf(L"%s\n",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..
    // ----------------------------------------------------------------------------------------------

    // First create a JSON invoice:
    CkJsonObjectW json;
    json.put_EmitCompact(false);
    json.UpdateString(L"merchant_info.email",L"frank-facilitator@example.com");
    json.UpdateString(L"merchant_info.first_name",L"Frank");
    json.UpdateString(L"merchant_info.last_name",L"Facilitator");
    json.UpdateString(L"merchant_info.business_name",L"Medical Professionals, LLC");
    json.UpdateString(L"merchant_info.phone.country_code",L"001");
    json.UpdateString(L"merchant_info.phone.national_number",L"5032141716");
    json.UpdateString(L"merchant_info.address.line1",L"1234 Main St.");
    json.UpdateString(L"merchant_info.address.city",L"Portland");
    json.UpdateString(L"merchant_info.address.state",L"OR");
    json.UpdateString(L"merchant_info.address.postal_code",L"97217");
    json.UpdateString(L"merchant_info.address.country_code",L"US");
    json.UpdateString(L"billing_info[0].email",L"frank-buyer@somewhere.com");
    json.UpdateString(L"items[0].name",L"Sutures");
    json.UpdateInt(L"items[0].quantity",100);
    json.UpdateString(L"items[0].unit_price.currency",L"USD");
    json.UpdateString(L"items[0].unit_price.value",L"5");
    json.UpdateString(L"note",L"Medical Invoice 16 Jul, 2013 PST");
    json.UpdateString(L"payment_term.term_type",L"NET_45");
    json.UpdateString(L"shipping_info.first_name",L"Sally");
    json.UpdateString(L"shipping_info.last_name",L"Patient");
    json.UpdateString(L"shipping_info.business_name",L"Not applicable");
    json.UpdateString(L"shipping_info.phone.country_code",L"001");
    json.UpdateString(L"shipping_info.phone.national_number",L"5039871234");
    json.UpdateString(L"shipping_info.address.line1",L"1234 Broad St.");
    json.UpdateString(L"shipping_info.address.city",L"Portland");
    json.UpdateString(L"shipping_info.address.state",L"OR");
    json.UpdateString(L"shipping_info.address.postal_code",L"97216");
    json.UpdateString(L"shipping_info.address.country_code",L"US");

    wprintf(L"%s\n",json.emit());

    // The JSON invoice created by the above code:

    // 	{ 
    // 	  "merchant_info": { 
    // 	    "email": "frank-facilitator@example.com",
    // 	    "first_name": "Frank",
    // 	    "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": "frank-buyer@somewhere.com"
    // 	    }
    // 	  ],
    // 	  "items": [ 
    // 	    { 
    // 	      "name": "Sutures",
    // 	      "quantity": 100,
    // 	      "unit_price": { 
    // 	        "currency": "USD",
    // 	        "value": "5"
    // 	      }
    // 	    }
    // 	  ],
    // 	  "note": "Medical Invoice 16 Jul, 2013 PST",
    // 	  "payment_term": { 
    // 	    "term_type": "NET_45"
    // 	  },
    // 	  "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"
    // 	    }
    // 	  }
    // 	}

    // Send the POST equivalent to this CURL command:

    // 	curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/invoices/ \
    // 	-H "Content-Type:application/json" \
    // 	-H "Authorization: Bearer Access-Token" \
    // 	-d '{ invoice JSON goes here }'

    json.put_EmitCompact(true);
    CkStringBuilderW sbRequestBody;
    CkStringBuilderW sbResponseBody;

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

    success = rest.FullRequestSb(L"POST",L"/v1/invoicing/invoices",sbRequestBody,sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

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

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

    // Did we get a 201 success response?
    if (rest.get_ResponseStatusCode() != 201) {
        // Show the JSON response body
        wprintf(L"%s\n",jsonResponse.emit());

        wprintf(L"%s\n",rest.lastRequestStartLine());
        wprintf(L"%s\n",rest.lastRequestHeader());
        wprintf(L"Failed.\n");
        return;
    }

    // Show a few parts of the JSON response
    wprintf(L"id: %s\n",jsonResponse.stringOf(L"id"));
    wprintf(L"number: %s\n",jsonResponse.stringOf(L"number"));
    wprintf(L"template_id: %s\n",jsonResponse.stringOf(L"template_id"));
    wprintf(L"status: %s\n",jsonResponse.stringOf(L"status"));

    // Show the full JSON response.
    wprintf(L"%s\n",jsonResponse.emit());
    wprintf(L"Success.\n");

    // A successful response looks like this:

    // 	{ 
    // 	  "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
    // 	  "number": "0001",
    // 	  "template_id": "TEMP-8HS37702UW384535K",
    // 	  "status": "DRAFT",
    // 	  "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": 100.0,
    // 	      "unit_price": { 
    // 	        "currency": "USD",
    // 	        "value": "5.00"
    // 	      }
    // 	    }
    // 	  ],
    // 	  "invoice_date": "2016-11-15 PST",
    // 	  "payment_term": { 
    // 	    "term_type": "NET_45",
    // 	    "due_date": "2016-12-30 PST"
    // 	  },
    // 	  "tax_calculated_after_discount": false,
    // 	  "tax_inclusive": false,
    // 	  "note": "Medical Invoice 16 Jul, 2013 PST",
    // 	  "total_amount": { 
    // 	    "currency": "USD",
    // 	    "value": "500.00"
    // 	  },
    // 	  "metadata": { 
    // 	    "created_date": "2016-11-15 06:17:03 PST"
    // 	  },
    // 	  "links": [ 
    // 	    { 
    // 	      "rel": "self",
    // 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
    // 	      "method": "GET"
    // 	    },
    // 	    { 
    // 	      "rel": "send",
    // 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/send",
    // 	      "method": "POST"
    // 	    },
    // 	    { 
    // 	      "rel": "update",
    // 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
    // 	      "method": "PUT"
    // 	    },
    // 	    { 
    // 	      "rel": "delete",
    // 	      "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
    // 	      "method": "DELETE"
    // 	    }
    // 	  ]
    // 	}
    // 
    }