(C) IMAP Delete Old Email (before a specified date)

Demonstrates how to delete email older than a particular date.

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

void ChilkatSample(void)
    {
    HCkImap imap;
    BOOL success;
    HCkMessageSet messageSet;
    BOOL fetchUids;
    int i;
    int count;
    HCkEmail email;

    // 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);
    // Use your IMAP server domain.  This example 
    success = CkImap_Connect(imap,"my-imap-server-domain.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

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

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

    // Get message ID's for emails older than 1/1/2018

    fetchUids = TRUE;
    messageSet = CkImap_Search(imap,"SENTBEFORE 01-Jan-2018",fetchUids);
    if (CkImap_getLastMethodSuccess(imap) == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // If desired, we can examine the Subject of each email to be deleted..
    i = 0;
    count = CkMessageSet_getCount(messageSet);
    while (i < count) {
        email = CkImap_FetchSingleHeader(imap,CkMessageSet_GetId(messageSet,i),TRUE);
        if (CkImap_getLastMethodSuccess(imap) == TRUE) {
            printf("%s\n",CkEmail_subject(email));
            CkEmail_Dispose(email);
        }

        i = i + 1;
    }

    // Set the Deleted flag for each message:
    success = CkImap_SetFlags(imap,messageSet,"Deleted",1);
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkMessageSet_Dispose(messageSet);
        CkImap_Dispose(imap);
        return;
    }

    // Expunge and close the mailbox.
    success = CkImap_ExpungeAndClose(imap);
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkMessageSet_Dispose(messageSet);
        CkImap_Dispose(imap);
        return;
    }

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

    CkMessageSet_Dispose(messageSet);


    CkImap_Dispose(imap);

    }