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(Unicode C) Xero Download Attachment for an Item (such as an Invoice)Demonstrates how to download a particular attachment for a particular Xero item. For more information, see https://developer.xero.com/documentation/api/attachments#GET
#include <C_CkHttpW.h> #include <C_CkJsonObjectW.h> #include <C_CkBinDataW.h> void ChilkatSample(void) { HCkHttpW http; HCkJsonObjectW jsonToken; BOOL success; const wchar_t *url; HCkBinDataW bd; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http = CkHttpW_Create(); jsonToken = CkJsonObjectW_Create(); success = CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/xero-access-token.json"); if (success == FALSE) { wprintf(L"%s\n",CkJsonObjectW_lastErrorText(jsonToken)); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonToken); return; } CkHttpW_putAuthToken(http,CkJsonObjectW_stringOf(jsonToken,L"access_token")); // Replace the value here with an actual tenant ID obtained from this example: // Get Xero Tenant IDs CkHttpW_SetRequestHeader(http,L"Xero-tenant-id",L"83299b9e-5747-4a14-a18a-a6c94f824eb7"); CkHttpW_putAccept(http,L"application/json"); // The example to list Xero attachments shows how to get attachment information. // Here's a sample JSON response obtained form listing attachments: // Your application can get the AttachmentID's and filenames from it. // { // "Id": "24bfbcb9-dec9-4d33-835c-8f165d776766", // "Status": "OK", // "ProviderName": "Chilkat2222", // "DateTimeUTC": "\/Date(1587213296972)\/", // "Attachments": [ // { // "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2", // "FileName": "penguins.jpg", // "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg", // "MimeType": "image/jpg", // "ContentLength": 777835 // } // ] // } url = L"https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$AttachmentId}"; // Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc. CkHttpW_SetUrlVar(http,L"Endpoint",L"Invoices"); // Guid is the ID of the item, such as the InvoiceID. CkHttpW_SetUrlVar(http,L"Guid",L"0032f627-3156-4d30-9b1c-4d3b994dc921"); // AttachmentId is the ID of the particular attachment to be downloaded CkHttpW_SetUrlVar(http,L"AttachmentId",L"daf106e2-8634-4349-bfcc-86c1df0793b2"); // Download the attachment data into bd. bd = CkBinDataW_Create(); success = CkHttpW_QuickGetBd(http,url,bd); if (success == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonToken); CkBinDataW_Dispose(bd); return; } wprintf(L"Response Status Code: %d\n",CkHttpW_getLastStatus(http)); if (CkHttpW_getLastStatus(http) == 200) { // Success // Save to a file.. success = CkBinDataW_WriteFile(bd,L"qa_output/penguines.jpg"); } else { // Failed. bd contains error information.. wprintf(L"%s\n",CkBinDataW_getString(bd,L"utf-8")); } CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonToken); CkBinDataW_Dispose(bd); } |
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