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(Unicode C) Get a List of Message IDs in GMail User's MailboxDemonstrates how to get a list of message IDs in a GMail mailbox. The "userId" can be either the user's email address or the special value "me" to indicate the authenticated user. For more information, see https://developers.google.com/gmail/api/v1/reference/users/messages/list
#include <C_CkHttpW.h> #include <C_CkHttpResponseW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkHttpW http; HCkHttpResponseW resp; HCkJsonObjectW jsonResponse; const wchar_t *id; const wchar_t *threadId; int resultSizeEstimate; int i; int count_i; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http = CkHttpW_Create(); CkHttpW_putAuthToken(http,L"ACCESS_TOKEN"); CkHttpW_putAccept(http,L"application/json"); resp = CkHttpW_QuickRequest(http,L"GET",L"https://www.googleapis.com/gmail/v1/users/userId/messages"); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); return; } wprintf(L"Response Status Code: %d\n",CkHttpResponseW_getStatusCode(resp)); jsonResponse = CkJsonObjectW_Create(); CkJsonObjectW_Load(jsonResponse,CkHttpResponseW_bodyStr(resp)); CkJsonObjectW_putEmitCompact(jsonResponse,FALSE); wprintf(L"%s\n",CkJsonObjectW_emit(jsonResponse)); if (CkHttpResponseW_getStatusCode(resp) != 200) { wprintf(L"Failed.\n"); CkHttpResponseW_Dispose(resp); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonResponse); return; } CkHttpResponseW_Dispose(resp); // { // "messages": [ // users.messages Resource // ], // "nextPageToken": string, // "resultSizeEstimate": unsigned integer // } // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat. // See this example explaining how this memory should be used: const char * functions. resultSizeEstimate = CkJsonObjectW_IntOf(jsonResponse,L"resultSizeEstimate"); i = 0; count_i = CkJsonObjectW_SizeOfArray(jsonResponse,L"messages"); while (i < count_i) { CkJsonObjectW_putI(jsonResponse,i); id = CkJsonObjectW_stringOf(jsonResponse,L"messages[i].id"); threadId = CkJsonObjectW_stringOf(jsonResponse,L"messages[i].threadId"); i = i + 1; } CkHttpW_Dispose(http); CkJsonObjectW_Dispose(jsonResponse); } |
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