(C) Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

Note: This example requires Chilkat v11.0.0 or greater.

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#include <C_CkImap.h>
#include <C_CkMessageSet.h>
#include <C_CkEmailBundle.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkImap imap;
    BOOL fetchUids;
    HCkMessageSet messageSet;
    HCkEmailBundle bundle;
    BOOL headersOnly;
    HCkEmail email;
    int i;
    int numEmails;

    success = FALSE;

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

    imap = CkImap_Create();

    // Connect to an IMAP server.
    // Use TLS
    CkImap_putSsl(imap,TRUE);
    CkImap_putPort(imap,993);
    success = CkImap_Connect(imap,"imap.someMailServer.com");
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Login
    success = CkImap_Login(imap,"myLogin","myPassword");
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Select an IMAP mailbox
    success = CkImap_SelectMailbox(imap,"Inbox");
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // We can choose to fetch UIDs or sequence numbers.
    fetchUids = TRUE;

    // Get the message IDs of all the emails in the mailbox
    messageSet = CkMessageSet_Create();
    success = CkImap_QueryMbx(imap,"ALL",fetchUids,messageSet);
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        CkMessageSet_Dispose(messageSet);
        return;
    }

    // Fetch the emails into a bundle object:
    bundle = CkEmailBundle_Create();
    headersOnly = FALSE;
    success = CkImap_FetchMsgSet(imap,headersOnly,messageSet,bundle);
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        CkMessageSet_Dispose(messageSet);
        CkEmailBundle_Dispose(bundle);
        return;
    }

    // To mark a complete set of emails for deletion, call SetFlags:
    success = CkImap_SetFlags(imap,messageSet,"Deleted",1);
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        CkMessageSet_Dispose(messageSet);
        CkEmailBundle_Dispose(bundle);
        return;
    }

    // Messages can also be marked for deletion individually:
    // Loop over the bundle and mark each message for deletion.
    email = CkEmail_Create();
    i = 0;
    numEmails = CkEmailBundle_getMessageCount(bundle);
    while (i < numEmails) {
        CkEmailBundle_EmailAt(bundle,i,email);

        printf("%s\n",CkEmail_ck_from(email));
        printf("%s\n",CkEmail_subject(email));

        // To delete this email, set the "Deleted" flag to 1.
        // The email is not actually deleted until Expunge or
        // ExpungeAndClose is called.
        success = CkImap_SetMailFlag(imap,email,"Deleted",1);
        if (success == FALSE) {
            printf("%s\n",CkImap_lastErrorText(imap));
            CkImap_Dispose(imap);
            CkMessageSet_Dispose(messageSet);
            CkEmailBundle_Dispose(bundle);
            CkEmail_Dispose(email);
            return;
        }

        printf("--\n");

        i = i + 1;
    }

    success = CkImap_ExpungeAndClose(imap);
    if (success == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        CkMessageSet_Dispose(messageSet);
        CkEmailBundle_Dispose(bundle);
        CkEmail_Dispose(email);
        return;
    }

    // Disconnect from the IMAP server.
    success = CkImap_Disconnect(imap);


    CkImap_Dispose(imap);
    CkMessageSet_Dispose(messageSet);
    CkEmailBundle_Dispose(bundle);
    CkEmail_Dispose(email);

    }