(MFC) PayPal Create Invoice

Creates a draft invoice.

See Create Draft Invoice

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

    // 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) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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:
    CkJsonObject json;
    json.put_EmitCompact(false);
    json.UpdateString("merchant_info.email","frank-facilitator@example.com");
    json.UpdateString("merchant_info.first_name","Frank");
    json.UpdateString("merchant_info.last_name","Facilitator");
    json.UpdateString("merchant_info.business_name","Medical Professionals, LLC");
    json.UpdateString("merchant_info.phone.country_code","001");
    json.UpdateString("merchant_info.phone.national_number","5032141716");
    json.UpdateString("merchant_info.address.line1","1234 Main St.");
    json.UpdateString("merchant_info.address.city","Portland");
    json.UpdateString("merchant_info.address.state","OR");
    json.UpdateString("merchant_info.address.postal_code","97217");
    json.UpdateString("merchant_info.address.country_code","US");
    json.UpdateString("billing_info[0].email","frank-buyer@somewhere.com");
    json.UpdateString("items[0].name","Sutures");
    json.UpdateInt("items[0].quantity",100);
    json.UpdateString("items[0].unit_price.currency","USD");
    json.UpdateString("items[0].unit_price.value","5");
    json.UpdateString("note","Medical Invoice 16 Jul, 2013 PST");
    json.UpdateString("payment_term.term_type","NET_45");
    json.UpdateString("shipping_info.first_name","Sally");
    json.UpdateString("shipping_info.last_name","Patient");
    json.UpdateString("shipping_info.business_name","Not applicable");
    json.UpdateString("shipping_info.phone.country_code","001");
    json.UpdateString("shipping_info.phone.national_number","5039871234");
    json.UpdateString("shipping_info.address.line1","1234 Broad St.");
    json.UpdateString("shipping_info.address.city","Portland");
    json.UpdateString("shipping_info.address.state","OR");
    json.UpdateString("shipping_info.address.postal_code","97216");
    json.UpdateString("shipping_info.address.country_code","US");

    strOut.append(json.emit());
    strOut.append("\r\n");

    // 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);
    CkStringBuilder sbRequestBody;
    CkStringBuilder sbResponseBody;

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

    success = rest.FullRequestSb("POST","/v1/invoicing/invoices",sbRequestBody,sbResponseBody);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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);

    strOut.append("Response Status Code = ");
    strOut.appendInt(rest.get_ResponseStatusCode());
    strOut.append("\r\n");

    // Did we get a 201 success response?
    if (rest.get_ResponseStatusCode() != 201) {
        // Show the JSON response body
        strOut.append(jsonResponse.emit());
        strOut.append("\r\n");

        strOut.append(rest.lastRequestStartLine());
        strOut.append("\r\n");
        strOut.append(rest.lastRequestHeader());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Show a few parts of the JSON response
    strOut.append("id: ");
    strOut.append(jsonResponse.stringOf("id"));
    strOut.append("\r\n");
    strOut.append("number: ");
    strOut.append(jsonResponse.stringOf("number"));
    strOut.append("\r\n");
    strOut.append("template_id: ");
    strOut.append(jsonResponse.stringOf("template_id"));
    strOut.append("\r\n");
    strOut.append("status: ");
    strOut.append(jsonResponse.stringOf("status"));
    strOut.append("\r\n");

    // Show the full JSON response.
    strOut.append(jsonResponse.emit());
    strOut.append("\r\n");
    strOut.append("Success.");
    strOut.append("\r\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"
    // 	    }
    // 	  ]
    // 	}
    // 


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }