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<?php |
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namespace Modules\Entitizer\Utils { |
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use DB; |
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abstract class Definition { |
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protected $params = null, $indexes = null, $foreigns = null; |
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# Get list of statements |
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private function getStatements() { |
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$statements = []; |
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foreach ([$this->params, $this->indexes, $this->foreigns] as $group) { |
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foreach ($group->list() as $item) $statements[] = $item->statement(); |
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} |
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# ------------------------ |
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return $statements; |
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} |
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# Create main table |
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private function createMainTable() { |
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$query = ("CREATE TABLE IF NOT EXISTS `" . static::$table . "` (") . |
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implode(", ", $this->getStatements()) . |
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(") ENGINE=InnoDB DEFAULT CHARSET=utf8"); |
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# ------------------------ |
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return (DB::send($query) && DB::getLast()->status); |
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} |
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# Create relations table |
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private function createRelationsTable() { |
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$query = ("CREATE TABLE IF NOT EXISTS `" . static::$table_relations . "` (") . |
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("`ancestor` int(10) UNSIGNED NOT NULL, `descendant` int(10) UNSIGNED NOT NULL, ") . |
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("`depth` int(10) UNSIGNED NOT NULL, ") . |
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("PRIMARY KEY (`ancestor`, `descendant`), KEY (`ancestor`), KEY (`descendant`), KEY (`depth`), ") . |
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("FOREIGN KEY (`ancestor`) REFERENCES `" . static::$table . "` (`id`) ON DELETE CASCADE, ") . |
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("FOREIGN KEY (`descendant`) REFERENCES `" . static::$table . "` (`id`) ON DELETE CASCADE ") . |
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(") ENGINE=InnoDB DEFAULT CHARSET=utf8"); |
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# ------------------------ |
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return (DB::send($query) && DB::getLast()->status); |
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} |
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# Drop main table |
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private function removeMainTable() { |
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$query = ("DROP TABLE IF EXISTS `" . static::$table . "`"); |
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return (DB::send($query) && DB::getLast()->status); |
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} |
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# Drop relations table |
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private function removeRelationsTable() { |
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$query = ("DROP TABLE IF EXISTS `" . static::$table_relations . "`"); |
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return (DB::send($query) && DB::getLast()->status); |
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} |
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# Constructor |
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public function __construct() { |
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$this->params = new Definition\Group\Params($this, static::$auto_increment); |
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$this->indexes = new Definition\Group\Indexes($this); |
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$this->foreigns = new Definition\Group\Foreigns($this); |
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# Define specific params |
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$this->define(); |
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} |
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# Return params |
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public function params() { |
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return $this->params->list(); |
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} |
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# Return secure params |
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public function paramsSecure() { |
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return $this->params->secure(); |
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} |
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# Return param by name |
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public function param(string $name) { |
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return $this->params->get($name); |
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} |
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# Return indexes |
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public function indexes() { |
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return $this->indexes->list(); |
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} |
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# Return index by name |
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public function index(string $name) { |
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return $this->indexes->get($name); |
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} |
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# Return foreigns |
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public function foreigns() { |
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return $this->foreigns->list(); |
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} |
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# Return foreign by name |
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public function foreign(string $name) { |
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return $this->foreigns->get($name); |
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} |
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# Create tables |
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public function createTables() { |
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return ($this->createMainTable() && (!static::$nesting || $this->createRelationsTable())); |
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} |
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# Remove tables |
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public function removeTables() { |
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return ((!static::$nesting || $this->removeRelationsTable()) && $this->removeMainTable()); |
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} |
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} |
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} |
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cadmium-org /
cadmium-cms
