path: root/modules/calendar/e-task-shell-migrate.c

/*
 * e-task-shell-backend-migrate.c
 *
 * 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/>
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include "e-task-shell-migrate.h"

#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <libebackend/e-dbhash.h>
#include <libedataserver/e-source.h>
#include <libedataserver/e-source-group.h>
#include <libedataserver/e-source-list.h>
#include <libedataserver/e-xml-hash-utils.h>
#include <libedataserver/e-xml-utils.h>

#include "e-util/e-util-private.h"
#include "calendar/gui/calendar-config-keys.h"
#include "shell/e-shell.h"

#include "e-task-shell-backend.h"

#define LOCAL_BASE_URI "local:"
#define WEBCAL_BASE_URI "webcal://"
#define PERSONAL_RELATIVE_URI "system"

static void
create_task_sources (EShellBackend *shell_backend,
                     ESourceList *source_list,
                     ESourceGroup **on_this_computer,
                     ESourceGroup **on_the_web,
                     ESource **personal_source)
{
    EShell *shell;
    EShellSettings *shell_settings;
    GSList *groups;
    ESourceGroup *group;

    *on_this_computer = NULL;
    *on_the_web = NULL;
    *personal_source = NULL;

    shell = e_shell_backend_get_shell (shell_backend);
    shell_settings = e_shell_get_shell_settings (shell);

    groups = e_source_list_peek_groups (source_list);
    if (groups) {
        /* groups are already there, we need to search for things... */
        GSList *g;
        const gchar *data_dir;
        gchar *base_dir, *base_uri;

        data_dir = e_shell_backend_get_data_dir (shell_backend);
        base_dir = g_build_filename (data_dir, "local", NULL);
        base_uri = g_filename_to_uri (base_dir, NULL, NULL);

        for (g = groups; g; g = g->next) {
            group = E_SOURCE_GROUP (g->data);

            if (strcmp (base_uri, e_source_group_peek_base_uri (group)) == 0)
                e_source_group_set_base_uri (group, LOCAL_BASE_URI);

            if (!*on_this_computer && !strcmp (LOCAL_BASE_URI,
                e_source_group_peek_base_uri (group)))
                *on_this_computer = g_object_ref (group);
            else if (!*on_the_web && !strcmp (WEBCAL_BASE_URI,
                e_source_group_peek_base_uri (group)))
                *on_the_web = g_object_ref (group);
        }

        g_free (base_dir);
        g_free (base_uri);
    }

    if (*on_this_computer) {
        /* make sure "Personal" shows up as a source under
         * this group */
        GSList *sources = e_source_group_peek_sources (*on_this_computer);
        GSList *s;
        for (s = sources; s; s = s->next) {
            ESource *source = E_SOURCE (s->data);
            const gchar *relative_uri;

            relative_uri = e_source_peek_relative_uri (source);
            if (relative_uri == NULL)
                continue;
            if (!strcmp (PERSONAL_RELATIVE_URI, relative_uri)) {
                *personal_source = g_object_ref (source);
                break;
            }
        }
    } else {
        /* create the local source group */
        group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
        e_source_list_add_group (source_list, group, -1);

        *on_this_computer = group;
    }

    if (!*personal_source) {
        GSList *selected;
        gchar *primary_task_list;

        /* Create the default Person task list */
        ESource *source = e_source_new (_("Personal"), PERSONAL_RELATIVE_URI);
        e_source_group_add_source (*on_this_computer, source, -1);

        primary_task_list = e_shell_settings_get_string (
            shell_settings, "cal-primary-task-list");

        selected = e_task_shell_backend_get_selected_task_lists (
            E_TASK_SHELL_BACKEND (shell_backend));

        if (primary_task_list == NULL && selected == NULL) {
            GSList link;

            e_shell_settings_set_string (
                shell_settings, "cal-primary-task-list",
                e_source_peek_uid (source));

            link.data = (gpointer) e_source_peek_uid (source);
            link.next = NULL;

            e_task_shell_backend_set_selected_task_lists (
                E_TASK_SHELL_BACKEND (shell_backend), &link);
        }

        g_slist_foreach (selected, (GFunc) g_free, NULL);
        g_slist_free (selected);

        e_source_set_color_spec (source, "#BECEDD");
        *personal_source = source;
    }

    if (!*on_the_web) {
        /* Create the Webcal source group */
        group = e_source_group_new (_("On The Web"), WEBCAL_BASE_URI);
        e_source_list_add_group (source_list, group, -1);

        *on_the_web = group;
    }
}

gboolean
e_task_shell_backend_migrate (EShellBackend *shell_backend,
                              gint major,
                              gint minor,
                              gint micro,
                              GError **error)
{
    ESourceGroup *on_this_computer = NULL;
    ESourceGroup *on_the_web = NULL;
    ESource *personal_source = NULL;
    ESourceList *source_list;

    g_object_get (shell_backend, "source-list", &source_list, NULL);

    /* we call this unconditionally now - create_groups either
     * creates the groups/sources or it finds the necessary
     * groups/sources. */
    create_task_sources (
        shell_backend, source_list, &on_this_computer,
        &on_the_web, &personal_source);

    e_source_list_sync (source_list, NULL);

    if (on_this_computer)
        g_object_unref (on_this_computer);
    if (on_the_web)
        g_object_unref (on_the_web);
    if (personal_source)
        g_object_unref (personal_source);

    return TRUE;
}