(C) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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

void ChilkatSample(void)
    {
    HCkImap imap;
    BOOL success;
    HCkMessageSet messageSet;
    BOOL fetchUids;
    const char *seenSearch;
    const char *notSeenSearch;
    HCkEmailBundle bundle;
    int i;
    int numEmails;
    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);
    success = CkImap_Connect(imap,"imap.someMailServer.com");
    if (success != TRUE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Login
    success = CkImap_Login(imap,"admin@chilkatsoft.com","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;
    }

    fetchUids = TRUE;

    // Find emails marked as seen or not already seen:
    seenSearch = "SEEN";
    notSeenSearch = "NOT SEEN";

    // Get the set of unseen message UIDs
    messageSet = CkImap_Search(imap,notSeenSearch,fetchUids);
    if (CkImap_getLastMethodSuccess(imap) == FALSE) {
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Fetch the unseen emails into a bundle object:

    bundle = CkImap_FetchBundle(imap,messageSet);
    if (CkImap_getLastMethodSuccess(imap) == FALSE) {
        CkMessageSet_Dispose(messageSet);
        printf("%s\n",CkImap_lastErrorText(imap));
        CkImap_Dispose(imap);
        return;
    }

    // Display the Subject and From of each email.
    i = 0;
    numEmails = CkEmailBundle_getMessageCount(bundle);
    while (i < numEmails) {
        email = CkEmailBundle_GetEmail(bundle,i);

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

        CkEmail_Dispose(email);
        i = i + 1;
    }

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

    CkMessageSet_Dispose(messageSet);
    CkEmailBundle_Dispose(bundle);


    CkImap_Dispose(imap);

    }