path: root/calendar/gui/dialogs/copy-source-dialog.c

/*
 * Evolution calendar - Copy source dialog
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib/gi18n.h>
#include "copy-source-dialog.h"
#include "select-source-dialog.h"
#include "common/authentication.h"

typedef struct {
    GtkWindow *parent;
    ESource *orig_source;
    ECalSourceType obj_type;
    ESource *selected_source;
} CopySourceDialogData;

static void
show_error (CopySourceDialogData *csdd, const gchar *msg)
{
    GtkWidget *dialog;

    dialog = gtk_message_dialog_new (
        csdd->parent, 0, GTK_MESSAGE_ERROR,
        GTK_BUTTONS_CLOSE, "%s", msg);
    gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);
}

struct ForeachTzidData
{
    ECal *source_client;
    ECal *dest_client;
};

static void
add_timezone_to_cal_cb (icalparameter *param, gpointer data)
{
    struct ForeachTzidData *ftd = data;
    icaltimezone *tz = NULL;
    const gchar *tzid;

    g_return_if_fail (ftd != NULL);
    g_return_if_fail (ftd->source_client != NULL);
    g_return_if_fail (ftd->dest_client != NULL);

    tzid = icalparameter_get_tzid (param);
    if (!tzid || !*tzid)
        return;

    if (e_cal_get_timezone (ftd->source_client, tzid, &tz, NULL) && tz)
        e_cal_add_timezone (ftd->dest_client, tz, NULL);
}

static gboolean
copy_source (CopySourceDialogData *csdd)
{
    ECal *source_client, *dest_client;
    gboolean read_only = TRUE;
    GList *obj_list = NULL;
    gboolean result = FALSE;

    if (!csdd->selected_source)
        return FALSE;

    /* open the source */
    source_client = e_auth_new_cal_from_source (csdd->orig_source, csdd->obj_type);
    if (!e_cal_open (source_client, TRUE, NULL)) {
        show_error (csdd, _("Could not open source"));
        g_object_unref (source_client);
        return FALSE;
    }

    /* open the destination */
    dest_client = e_auth_new_cal_from_source (csdd->selected_source, csdd->obj_type);
    if (!e_cal_open (dest_client, FALSE, NULL)) {
        show_error (csdd, _("Could not open destination"));
        g_object_unref (dest_client);
        g_object_unref (source_client);
        return FALSE;
    }

    /* check if the destination is read only */
    e_cal_is_read_only (dest_client, &read_only, NULL);
    if (read_only) {
        show_error (csdd, _("Destination is read only"));
    } else {
        if (e_cal_get_object_list (source_client, "#t", &obj_list, NULL)) {
            GList *l;
            icalcomponent *icalcomp;
            struct ForeachTzidData ftd;

            ftd.source_client = source_client;
            ftd.dest_client = dest_client;

            for (l = obj_list; l != NULL; l = l->next) {
                /* FIXME: process recurrences */
                /* FIXME: process errors */
                if (e_cal_get_object (
                    dest_client,
                    icalcomponent_get_uid (l->data),
                    NULL, &icalcomp, NULL)) {
                    e_cal_modify_object (
                        dest_client, l->data,
                        CALOBJ_MOD_ALL, NULL);
                    icalcomponent_free (icalcomp);
                } else {
                    gchar *uid = NULL;
                    GError *error = NULL;

                    icalcomp = l->data;

                    /* Add timezone information from source
                     * ECal to the destination ECal. */
                    icalcomponent_foreach_tzid (
                        icalcomp,
                        add_timezone_to_cal_cb, &ftd);

                    if (e_cal_create_object (dest_client, icalcomp, &uid, &error)) {
                        g_free (uid);
                    } else {
                        if (error) {
                            show_error (csdd, error->message);
                            g_error_free (error);
                        }
                        break;
                    }
                }
            }

            e_cal_free_object_list (obj_list);
        }
    }

    /* free memory */
    g_object_unref (dest_client);
    g_object_unref (source_client);

    return result;
}

/**
 * copy_source_dialog
 *
 * Implements the Copy command for sources, allowing the user to select a target
 * source to copy to.
 */
gboolean
copy_source_dialog (GtkWindow *parent, ESource *source, ECalSourceType obj_type)
{
    CopySourceDialogData csdd;
    gboolean result = FALSE;

    g_return_val_if_fail (E_IS_SOURCE (source), FALSE);

    csdd.parent = parent;
    csdd.orig_source = source;
    csdd.selected_source = NULL;
    csdd.obj_type = obj_type;

    csdd.selected_source = select_source_dialog (parent, obj_type, source);
    if (csdd.selected_source) {
        result = copy_source (&csdd);

        /* free memory */
        g_object_unref (csdd.selected_source);
    }

    return result;
}