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

/*
 * e-cal-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)
 *
 */

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

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

#define LOCAL_BASE_URI "local:"
#define WEBCAL_BASE_URI "webcal://"
#define CONTACTS_BASE_URI "contacts://"
#define BAD_CONTACTS_BASE_URI "contact://"
#define PERSONAL_RELATIVE_URI "system"

static ESourceGroup *
create_calendar_contact_source (ESourceList *source_list)
{
    ESourceGroup *group;
    ESource *source;

    /* Create the contacts group */
    group = e_source_group_new (_("Contacts"), CONTACTS_BASE_URI);
    e_source_list_add_group (source_list, group, -1);

    source = e_source_new (_("Birthdays & Anniversaries"), "/");
    e_source_group_add_source (group, source, -1);
    g_object_unref (source);

    e_source_set_color_spec (source, "#FED4D3");
    e_source_group_set_readonly (group, TRUE);

    return group;
}

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

    *on_this_computer = NULL;
    *on_the_web = NULL;
    *contacts = 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 (BAD_CONTACTS_BASE_URI, e_source_group_peek_base_uri (group)))
                e_source_group_set_base_uri (group, CONTACTS_BASE_URI);

            if (!strcmp (base_uri, e_source_group_peek_base_uri (group)))
                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);

            else if (!*contacts && !strcmp (CONTACTS_BASE_URI,
                e_source_group_peek_base_uri (group)))
                *contacts = 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_calendar;

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

        primary_calendar = e_shell_settings_get_string (
            shell_settings, "cal-primary-calendar");

        selected = e_cal_shell_backend_get_selected_calendars (
            E_CAL_SHELL_BACKEND (shell_backend));

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

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

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

            e_cal_shell_backend_set_selected_calendars (
                E_CAL_SHELL_BACKEND (shell_backend), &link);
        }

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

        g_free (primary_calendar);
        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;
    }

    if (!*contacts) {
        group = create_calendar_contact_source (source_list);

        *contacts = group;
    }
}

gboolean
e_cal_shell_backend_migrate (EShellBackend *shell_backend,
                             gint major,
                             gint minor,
                             gint micro,
                             GError **error)
{
    ESourceGroup *on_this_computer = NULL, *on_the_web = NULL, *contacts = NULL;
    ESource *personal_source = NULL;
    ESourceList *source_list;
    ECalEvent *ece;
    ECalEventTargetBackend *target;

    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_calendar_sources (
        shell_backend, source_list, &on_this_computer,
        &personal_source, &on_the_web, &contacts);

    e_source_list_sync (source_list, NULL);

    /** @Event: component.migration
     * @Title: Migration step in component initialization
     * @Target: ECalEventTargetComponent
     *
     * component.migration is emitted during the calendar component
     * initialization process. This allows new calendar backend types
     * to be distributed as an e-d-s backend and a plugin without
     * reaching their grubby little fingers into migration.c
     */
    /* Fire off migration event */
    ece = e_cal_event_peek ();
    target = e_cal_event_target_new_module (ece, shell_backend, source_list, 0);
    e_event_emit ((EEvent *) ece, "module.migration", (EEventTarget *) target);

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

    return TRUE;
}