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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mail-ops.c: callbacks for the mail toolbar/menus */

/* 
 * Author : 
 *  Dan Winship <danw@helixcode.com>
 *
 * Copyright 2000 Helix Code, Inc. (http://www.helixcode.com)
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License as 
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#include <config.h>
#include <gnome.h>
#include "camel/camel.h"
#include "mail-ops.h"
#include "folder-browser.h"
#include "session.h"
#include "e-util/e-setup.h"

static void
mail_exception_dialog (char *head, CamelException *ex, GtkWindow *window)
{
    char *msg;

    msg = g_strdup_printf ("%s:\n%s", head,
                   camel_exception_get_description (ex));
    gnome_error_dialog_parented (msg, window);
    g_free (msg);
}

void
fetch_mail (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GtkWindow *window;
    CamelException *ex;
    CamelStore *store = NULL;
    CamelFolder *folder = NULL, *outfolder = NULL;
    int nmsgs, i;
    CamelMimeMessage *msg = NULL;
    char *path, *url = NULL, *provider;
    gboolean get_remote;

    window = GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb),
                              GTK_TYPE_WINDOW));

    /* FIXME: We want a better config solution than this. */
    path = g_strdup_printf ("=%s/config=/mail/get_remote", evolution_dir);
    get_remote = gnome_config_get_bool_with_default (path, FALSE);
    g_free (path);
    path = g_strdup_printf ("=%s/config=/mail/remote_url", evolution_dir);
    url = gnome_config_get_string_with_default (path, NULL);
    g_free (path);
    if (!get_remote || !url) {
        if (url)
            g_free (url);
        gnome_error_dialog_parented ("You have no remote mail source "
                         "configured", window);
        return;
    }

    /* FIXME: this should go away when the provider situation is
     * improved.
     */
    path = g_strdup_printf ("=%s/config=/mail/remote_provider",
                evolution_dir);
    provider = gnome_config_get_string_with_default (path, NULL);
    g_free (path);
    if (provider) {
        camel_provider_register_as_module (provider);
        g_free (provider);
    }

    ex = camel_exception_new ();
    store = camel_session_get_store (default_session->session, url, ex);
    if (!store) {
        mail_exception_dialog ("Unable to get new mail", ex, window);
        goto cleanup;
    }
    camel_service_connect_with_url (CAMEL_SERVICE (store), url, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to get new mail", ex, window);
        goto cleanup;
    }

    folder = camel_store_get_folder (store, "inbox", ex);
    if (!folder) {
        mail_exception_dialog ("Unable to get new mail", ex, window);
        goto cleanup;
    }
    camel_folder_open (folder, FOLDER_OPEN_READ, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to get new mail", ex, window);
        goto cleanup;
    }

    nmsgs = camel_folder_get_message_count (folder, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to get new mail", ex, window);
        goto cleanup;
    }

    if (nmsgs == 0)
        goto cleanup;

    outfolder = camel_store_get_folder (default_session->store,
                        "inbox", ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to open inbox to store mail",
                       ex, window);
        goto cleanup;
    }
    camel_folder_open (outfolder, FOLDER_OPEN_WRITE, ex);
    if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
        mail_exception_dialog ("Unable to open inbox to store mail",
                       ex, window);
        goto cleanup;
    }

    for (i = 1; i <= nmsgs; i++) {
        msg = camel_folder_get_message_by_number (folder, i, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to read message",
                           ex, window);
            goto cleanup;
        }

        camel_folder_append_message (outfolder, msg, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to write message",
                           ex, window);
            goto cleanup;
        }

        camel_folder_delete_message_by_number (folder, i, ex);
        if (camel_exception_get_id (ex) != CAMEL_EXCEPTION_NONE) {
            mail_exception_dialog ("Unable to delete message",
                           ex, window);
            goto cleanup;
        }
    }
    msg = NULL;

    folder_browser_set_uri (fb, "inbox"); /* FIXME */

 cleanup:
    if (url)
        g_free (url);
    if (folder) {
        if (camel_folder_is_open (folder))
            camel_folder_close (folder, TRUE, ex);
        gtk_object_unref (GTK_OBJECT (folder));
    }
    if (store) {
        camel_service_disconnect (CAMEL_SERVICE (store), ex);
        gtk_object_unref (GTK_OBJECT (store));
    }
#if 0
    /* FIXME: we'll want to do this when the rest of the mail
     * stuff is refcounting things properly.
     */
    if (outfolder) {
        if (camel_folder_is_open (outfolder))
            camel_folder_close (outfolder, FALSE, ex);
        gtk_object_unref (GTK_OBJECT (outfolder));
    }
#endif
    camel_exception_free (ex);
    if (msg)
        gtk_object_unref (GTK_OBJECT (msg));
}