trash.php

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<?php
$guid = (int) get_input('guid');
$entity = get_entity($guid);
if (!$entity instanceof \ElggEntity) {
    return elgg_error_response(elgg_echo('entity:delete:item_not_found'));
}
 
if (!$entity->canDelete() || !$entity->hasCapability('restorable') || $entity instanceof \ElggPlugin || $entity instanceof \ElggSite || $entity instanceof \ElggUser) {
    return elgg_error_response(elgg_echo('entity:delete:permission_denied'));
}
 
// determine what name to show on success
$display_name = $entity->getDisplayName() ?: elgg_echo('entity:delete:item');
 
$type = $entity->getType();
$subtype = $entity->getSubtype();
$container = $entity->getContainerEntity();
 
if (!$entity->delete(true, false)) {
    return elgg_error_response(elgg_echo('entity:delete:fail', [$display_name]));
}
 
// determine forward URL
$forward_url = get_input('forward_url');
if (!empty($forward_url)) {
    $forward_url = elgg_normalize_site_url((string) $forward_url);
}
 
if (empty($forward_url)) {
    $forward_url = REFERRER;
    $referrer_url = elgg_extract('HTTP_REFERER', $_SERVER, '');
    $site_url = elgg_get_site_url();
    
    $find_forward_url = function (\ElggEntity $container = null) use ($type, $subtype) {
        $routes = _elgg_services()->routes;
        
        // check if there is a collection route (eg. blog/owner/username)
        $route_name = false;
        if ($container instanceof \ElggUser) {
            $route_name = "collection:{$type}:{$subtype}:owner";
        } elseif ($container instanceof \ElggGroup) {
            $route_name = "collection:{$type}:{$subtype}:group";
        }
        
        if ($route_name && $routes->get($route_name)) {
            $params = $routes->resolveRouteParameters($route_name, $container);
            
            return elgg_generate_url($route_name, $params);
        }
        
        // no route found, fallback to container url
        if ($container instanceof \ElggEntity) {
            return $container->getURL();
        }
        
        // no container
        return '';
    };
    
    if (!empty($referrer_url) && elgg_strpos($referrer_url, $site_url) === 0) {
        // referer is on current site
        $referrer_path = elgg_substr($referrer_url, elgg_strlen($site_url));
        $segments = explode('/', $referrer_path);
        
        if (in_array($guid, $segments)) {
            // referrer URL contains a reference to the entity that will be deleted
            $forward_url = $find_forward_url($container);
        }
    } elseif ($container instanceof \ElggEntity) {
        $forward_url = $find_forward_url($container);
    }
}
 
$success_keys = [
    "entity:delete:{$type}:{$subtype}:success",
    "entity:delete:{$type}:success",
    'entity:delete:success',
];
 
$message = '';
if (get_input('show_success', true)) {
    foreach ($success_keys as $success_key) {
        if (elgg_language_key_exists($success_key)) {
            $message = elgg_echo($success_key, [$display_name]);
            break;
        }
    }
}
 
return elgg_ok_response('', $message, $forward_url);