src/imap/imap-expunge.c

	imap-expunge.c revision 1807ae2cbeb06f804d5b9af3e3d920417c3d4991
/* Copyright (c) 2003-2008 Dovecot authors, see the included COPYING file */

#include "common.h"
#include "mail-storage.h"
#include "mail-search.h"
#include "imap-expunge.h"

int imap_expunge(struct mailbox *box, struct mail_search_arg *next_search_arg)
{
    struct mail_search_context *ctx;
        struct mailbox_transaction_context *t;
    struct mail *mail;
    struct mail_search_arg search_arg;
    bool expunges = FALSE;

    if (mailbox_is_readonly(box)) {
        /* silently ignore */
        return 0;
    }

    memset(&search_arg, 0, sizeof(search_arg));
    search_arg.type = SEARCH_FLAGS;
    search_arg.value.flags = MAIL_DELETED;
    search_arg.next = next_search_arg;

    /* Refresh the flags so we'll expunge all messages marked as \Deleted
       by any session. */
    t = mailbox_transaction_begin(box, MAILBOX_TRANSACTION_FLAG_REFRESH);
    ctx = mailbox_search_init(t, NULL, &search_arg, NULL);

    mail = mail_alloc(t, 0, NULL);
    while (mailbox_search_next(ctx, mail) > 0) {
        mail_expunge(mail);
        expunges = TRUE;
    }
    mail_free(&mail);

    if (mailbox_search_deinit(&ctx) < 0) {
        mailbox_transaction_rollback(&t);
        return -1;
    } else {
        if (mailbox_transaction_commit(&t) < 0)
            return -1;
    }

    return expunges ? 1 : 0;
}