upgrade.php

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<?php
use Elgg\Menu\MenuItems;

function _elgg_upgrade_completed() {
    $pending = _elgg_services()->upgrades->getPendingUpgrades();
    if (empty($pending)) {
        elgg_delete_admin_notice('pending_upgrades');
    }
}

function _elgg_upgrade_entity_menu(\Elgg\Hook $hook) {
    
    $entity = $hook->getEntityParam();
    if (!$entity instanceof ElggUpgrade || !$entity->canEdit()) {
        return;
    }
    
    $result = $hook->getValue();
    
    // deleting upgrades has no point, they'll be rediscovered again
    // don't want to completely block the ability in ->canDelete(), just don't offer the link
    $result->remove('delete');
    
    if (!$entity->isCompleted()) {
        $result[] = ElggMenuItem::factory([
            'name' => 'run_upgrade',
            'icon' => 'play',
            'text' => elgg_echo('admin:upgrades:menu:run_single'),
            'href' => false,
            'deps' => [
                'core/js/upgrader',
            ],
            'data-guid' => $entity->guid,
        ]);
    } elseif ($batch = $entity->getBatch()) {
        if (!$batch->shouldBeSkipped()) {
            // only show reset if it will have an effect
            $result[] = ElggMenuItem::factory([
                'name' => 'reset',
                'icon' => 'sync',
                'text' => elgg_echo('reset'),
                'href' => elgg_generate_action_url('admin/upgrade/reset', [
                    'guid' => $entity->guid,
                ]),
            ]);
        }
    }
    
    return $result;
}

return function (\Elgg\EventsService $events, \Elgg\HooksRegistrationService $hooks) {
    $events->registerHandler('complete', 'upgrade', '_elgg_upgrade_completed');
    
    $hooks->registerHandler('register', 'menu:entity', '_elgg_upgrade_entity_menu', 501);
};