(Unicode C++) Insert Email into GMail Folder

Directly inserts a message into only this user's mailbox similar to IMAP APPEND, bypassing most scanning and classification. Does not send a message.

This example will create a Chilkat Email object and upload/insert it into GMail. Then adds the "INBOX" label to the email to make it appear in INBOX

Chilkat C/C++ Library Downloads
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#include <CkEmailW.h>
#include <CkStringBuilderW.h>
#include <CkHttpW.h>
#include <CkHttpResponseW.h>
#include <CkJsonObjectW.h>

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

    CkEmailW email;

    // This example chooses to load an email from a file.
    bool success = email.LoadEml(L"qa_data/eml/testEmail.eml");
    if (success != true) {
        wprintf(L"%s\n",email.lastErrorText());
        return;
    }

    // Get the email as MIME.
    CkStringBuilderW sbMime;
    email.GetMimeSb(sbMime);

    CkHttpW http;
    http.put_AuthToken(L"GMAIL-ACCESS-TOKEN");

    // Upload to GMail (does not send, but just inserts).

    // IMPORTANT: After uploading/inserting, you won't see the message in the Inbox.
    // In your web browser, if you go to "All Mail", you will see it.

    const wchar_t *url = L"https://www.googleapis.com/upload/gmail/v1/users/me/messages?uploadType=media";
    bool sendGzipped = true;
    CkHttpResponseW *resp = http.PTextSb(L"POST",url,sbMime,L"utf-8",L"message/rfc822",false,sendGzipped);
    if (http.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

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

    // The response body contains JSON.
    // A sample successful JSON response:

    // {
    //  "id": "166f583051d36144",
    //  "threadId": "166f5529e079a456"
    // }

    CkJsonObjectW json;
    json.Load(resp->bodyStr());
    const wchar_t *id = json.stringOf(L"id");

    delete resp;

    // Add the Inbox label to the inserted email so that it appears in Inbox.
    wprintf(L"---- Adding the Inbox label to the newly inserted email. ----\n");

    // Create the following JSON to be sent in a POST to modify labels for this message.
    // {
    //   "addLabelIds": [
    //     "INBOX"
    //     ]
    // }

    CkJsonObjectW json2;
    json2.UpdateString(L"addLabelIds[0]",L"INBOX");

    http.SetUrlVar(L"id",id);
    url = L"https://www.googleapis.com/gmail/v1/users/me/messages/{$id}/modify";

    resp = http.PostJson3(url,L"application/json",json2);
    if (http.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

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

    // The response body contains JSON.
    // A sample successful JSON response:

    // {
    //  "id": "166f583051d36144",
    //  "threadId": "166f583051d36144",
    //  "labelIds": [
    //   "INBOX"
    //  ]
    // }

    delete resp;
    }