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<?php
/**
* @package Conditions
* @version 25.1.10755
*
* @author Peter van Westen <info@regularlabs.com>
* @link https://regularlabs.com
* @copyright Copyright © 2025 Regular Labs All Rights Reserved
* @license GNU General Public License version 2 or later
*/
namespace RegularLabs\Component\Conditions\Administrator\Helper;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Language\Text as JText;
use RegularLabs\Library\ArrayHelper as RL_Array;
use RegularLabs\Library\DB as RL_DB;
use RegularLabs\Library\Language as RL_Language;
use RegularLabs\Library\Parameters as RL_Parameters;
use RegularLabs\Library\StringHelper as RL_String;
class Helper
{
public static function conditionIsActive(object $rule): bool
{
if (empty($rule->type))
{
return false;
}
$disabled_types = RL_Array::toArray(RL_Parameters::getComponent('conditions')->disabled_rule_types);
return ! in_array($rule->type, $disabled_types);
}
public static function getConditionsClass(
object $rule,
object|false|null $article,
object|false|null $module,
object|false|null $request = null,
?int $category_id = null
)
{
if (empty($rule->type))
{
return false;
}
if ( ! self::conditionIsActive($rule))
{
return false;
}
$field = self::getField($rule->type);
if ( ! $field)
{
return false;
}
$classname = str_replace('_', '. ', $field->class);
$classname = RL_String::toTitleCase($classname);
$classname = str_replace(['. . ', '. '], ['\\', ''], $classname);
$classname = 'RegularLabs\\Component\\Conditions\\Administrator\\Condition\\'
. $classname;
if ( ! class_exists($classname))
{
return false;
}
return new $classname($rule, $article, $module, $request, $category_id);
}
public static function getExtensionItemString(string $extension): string
{
RL_Language::load($extension);
$no_com_prefix = strtoupper(preg_replace('#^com_#', '', $extension));
$item_name = $no_com_prefix . '_ITEM_NAME_FOR_CONDITIONS';
if (JText::_($item_name) !== $item_name)
{
return JText::_($item_name);
}
$extension = self::getExtensionName($extension);
return JText::sprintf('CON_EXTENSION_ITEM', $extension);
}
public static function getExtensionName(string $extension): string
{
RL_Language::load($extension);
$no_com_prefix = strtoupper(preg_replace('#^com_#', '', $extension));
$extension_name = JText::_($no_com_prefix) !== $no_com_prefix
? JText::_($no_com_prefix)
: JText::_($extension);
return str_replace('Regular Labs - ', '', $extension_name);
}
public static function getField(string $key): ?object
{
$fields = Helper::getXmlFields();
return $fields[$key] ?? null;
}
public static function getFieldClass(string $key): object|false
{
$field = self::getField($key);
if ( ! $field)
{
return false;
}
$classname = 'RegularLabs\\Component\\Conditions\\Administrator\\Form\\Field\\' . $field->type . 'Field';
if ( ! class_exists($classname))
{
$classname = 'RegularLabs\\Library\\Form\\Field\\' . $field->type . 'Field';
}
if ( ! class_exists($classname))
{
return false;
}
$class = new $classname;
if ( ! method_exists($class, 'getNamesByIds'))
{
return false;
}
return $class;
}
public static function getForItemText(
string $extension,
int $item_id,
string $table,
string $name_column = 'name'
): string
{
RL_Language::load('com_conditions');
$extension_item = self::getExtensionItemString($extension);
$item_name = self::getItemNameFromDB($item_id, $table, $name_column);
return JText::sprintf('CON_FOR_ITEM', $extension_item, $item_name);
}
public static function getIdValuesFromDB(string $table, string $name_column = 'name'): array
{
if ( ! $table || ! $name_column)
{
return [];
}
$cache = new Cache;
if ($cache->exists())
{
return $cache->get();
}
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select(RL_DB::quoteName('id'))
->select(RL_DB::quoteName($name_column, 'value'))
->from(RL_DB::quoteName('#__' . $table));
$db->setQuery($query);
return $cache->set($db->loadAssocList('id', 'value'));
}
public static function getItemNameFromDB(
int $item_id,
string $table,
string $name_column = 'name'
): string
{
$items = self::getIdValuesFromDB($table, $name_column);
return $items[$item_id] ?? '';
}
public static function getItemPublishStateFromDB(int $item_id, string $table): int
{
$columns = RL_DB::getTableColumns('#__' . $table);
$published_column = isset($columns['published'])
? 'published'
: ($columns['state'] ? 'state' : '');
if ( ! $published_column)
{
return 1;
}
$items = self::getIdValuesFromDB($table, $published_column);
return $items[$item_id] ?? 0;
}
public static function getPublishStateString(int $state): string
{
$state = match ($state)
{
1 => 'PUBLISHED',
0 => 'UNPUBLISHED',
2 => 'ARCHIVED',
-2 => 'TRASHED',
default => '',
};
return JText::_($state);
}
public static function getXmlFields(bool $use_cache = true): array
{
$cache = new Cache('Conditions.getXmlFields');
if ($use_cache && $cache->exists())
{
return $cache->get();
}
RL_Parameters::getObjectFromRegistry('', 'administrator/components/com_conditions/forms/item_rule.xml');
$file = file_get_contents(JPATH_ADMINISTRATOR . '/components/com_conditions/forms/item_rule.xml');
$xml_parser = xml_parser_create();
xml_parse_into_struct($xml_parser, $file, $xml_fields);
xml_parser_free($xml_parser);
$fields = [];
$field_name = '';
foreach ($xml_fields as $field)
{
if ( ! in_array($field['tag'], ['FIELD', 'OPTION'])
|| ! isset($field['attributes'])
|| isset($field['attributes']['DISABLED'])
)
{
continue;
}
if ($field['tag'] === 'OPTION')
{
$option_name = $field_name . '.' . RL_String::toUnderscoreCase($field['attributes']['VALUE'], true, true);
$fields[$option_name] = (object) [
'type' => '',
'name' => $field['value'],
'class' => $field['attributes']['CONDITION'] ?? '',
'attributes' => (array) RL_Array::changeKeyCase($field['attributes'], 'lowercase'),
];
continue;
}
if (isset($field['attributes']['TYPE']) && $field['attributes']['TYPE'] === 'LoadLanguage')
{
RL_Language::load($field['attributes']['EXTENSION'], JPATH_ADMINISTRATOR);
continue;
}
if ( ! isset($field['attributes']['NAME'])
|| ! isset($field['attributes']['TYPE'])
|| $field['attributes']['NAME'] == ''
|| $field['attributes']['NAME'][0] == '@'
|| $field['attributes']['TYPE'] == 'spacer'
)
{
continue;
}
$field_name = $field['attributes']['NAME'];
$fields[$field_name] = (object) [
'type' => $field['attributes']['TYPE'],
'name' => $field['attributes']['LABEL'] ?? $field['attributes']['NAME'],
'class' => $field['attributes']['CONDITION'] ?? $field['attributes']['NAME'],
'attributes' => (array) RL_Array::changeKeyCase($field['attributes'], 'lowercase'),
];
}
return $cache->set($fields);
}
public static function thereAreConditions(): bool
{
$cache = new Cache;
if ($cache->exists())
{
return $cache->get();
}
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('count(*)')
->from('#__conditions')
->where(RL_DB::is('published', 1));
$db->setQuery($query);
return $cache->set($db->loadResult() > 0);
}
}