function mc_plugin_activated()
{
flush_rewrite_rules();
if (my_calendar_exists()) {
mc_upgrade_db();
}
check_my_calendar();
}
function check_my_calendar()
{
global $wpdb, $mc_version;
$mcdb = $wpdb;
mc_if_needs_permissions();
$current_version = get_option('mc_version') == '' ? get_option('my_calendar_version') : get_option('mc_version');
if (version_compare($current_version, '2.3.12', '>=')) {
// if current is a version higher than 2.3.11, they've already seen this notice and handled it.
update_option('mc_update_notice', 1);
}
// If current version matches, don't bother running this.
if ($current_version == $mc_version) {
return true;
}
// Assume this is not a new install until we prove otherwise
$new_install = false;
$upgrade_path = array();
if (my_calendar_exists() && $current_version == '') {
// If the table exists, but I don't know what version it is, I have to run the full cycle of upgrades.
$current_version = '1.10.7';
}
if (!my_calendar_exists()) {
$new_install = true;
} else {
// for each release requiring an upgrade path, add a version compare.
// Loop will run every relevant upgrade cycle.
$valid_upgrades = array('1.11.0', '1.11.1', '2.0.0', '2.0.4', '2.1.0', '2.2.0', '2.2.6', '2.2.10', '2.3.0', '2.3.11', '2.3.15', '2.4.4');
foreach ($valid_upgrades as $upgrade) {
if (version_compare($current_version, $upgrade, "<")) {
$upgrade_path[] = $upgrade;
}
}
}
// having determined upgrade path, assign new version number
update_option('mc_version', $mc_version);
// Now we've determined what the current install is or isn't
if ($new_install == true) {
//add default settings
mc_default_settings();
$sql = "INSERT INTO " . MY_CALENDAR_CATEGORIES_TABLE . " SET category_id=1, category_name='General', category_color='#ffffcc', category_icon='event.png'";
$mcdb->query($sql);
} else {
// clear cache so updates are immediately available
mc_delete_cache();
}
mc_do_upgrades($upgrade_path);
/*
if the user has fully uninstalled the plugin but kept the database of events, this will restore default
settings and upgrade db if needed.
*/
if (get_option('mc_uninstalled') == 'true') {
mc_default_settings();
update_option('mc_db_version', $mc_version);
delete_option('mc_uninstalled');
}
}