Unicode C
Create GMail Draft

Demonstrates how to create a new GMail draft email.
Chilkat Unicode C Downloads

Unicode C
#include <C_CkEmailW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkEmailW email;
    HCkStringBuilderW sbMime;
    HCkJsonObjectW json;
    HCkHttpW http;
    const wchar_t *url;
    HCkHttpResponseW resp;

    success = FALSE;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Use the Chilkat Email API to create or load an email.
    email = CkEmailW_Create();
    CkEmailW_putSubject(email,L"This is a test GMail email created using Chilkat.");
    CkEmailW_putCharset(email,L"utf-8");
    CkEmailW_AddPlainTextAlternativeBody(email,L"This is a test");
    CkEmailW_AddHtmlAlternativeBody(email,L"<html><body><p>This is a <b>test</b></body></html>");

    // We'll need to get the full MIME of the email encoded to a base64url string.
    sbMime = CkStringBuilderW_Create();
    CkEmailW_GetMimeSb(email,sbMime);
    CkStringBuilderW_Encode(sbMime,L"base64url",L"utf-8");

    // The body of the HTTP request will be JSON..
    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateSb(json,L"message.raw",sbMime);

    // Upload the email to GMail as a draft.
    http = CkHttpW_Create();
    CkHttpW_putAuthToken(http,L"GMAIL-ACCESS-TOKEN");

    url = L"https://www.googleapis.com/gmail/v1/users/me/drafts";
    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",url,json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkEmailW_Dispose(email);
        CkStringBuilderW_Dispose(sbMime);
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    // A status code of 200 indicates success.
    wprintf(L"Response status code: %d\n",CkHttpResponseW_getStatusCode(resp));
    wprintf(L"Response body:\n");
    wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));

    // The response body contains JSON.
    // Use the online tool at Generate JSON Parsing Code
    // to generate JSON parsing code.

    // A sample successful JSON response:

    // {
    //  "id": "r-2607584557788895307",
    //  "message": {
    //   "id": "166f09932c662e93",
    //   "threadId": "166f09932c662e93",
    //   "labelIds": [
    //    "DRAFT"
    //   ]
    //  }
    // }


    CkEmailW_Dispose(email);
    CkStringBuilderW_Dispose(sbMime);
    CkJsonObjectW_Dispose(json);
    CkHttpW_Dispose(http);
    CkHttpResponseW_Dispose(resp);

    }