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<?php |
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/** |
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* Copyright (C) 2022-2023 Rafael San José Tovar <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace Alxarafe\Database; |
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abstract class DBSchema |
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{ |
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public const TYPE_INTEGER = 'integer'; |
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public const TYPE_FLOAT = 'float'; |
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public const TYPE_DECIMAL = 'decimal'; |
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public const TYPE_STRING = 'string'; |
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public const TYPE_TEXT = 'text'; |
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public const TYPE_DATE = 'date'; |
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public const TYPE_TIME = 'time'; |
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public const TYPE_DATETIME = 'datetime'; |
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public const TYPE_BOOLEAN = 'bool'; |
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public const TYPES = [ |
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self::TYPE_INTEGER => ['tinyint', 'smallint', 'mediumint', 'int', 'bigint'], |
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self::TYPE_FLOAT => ['real', 'double'], |
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self::TYPE_DECIMAL => ['decimal', 'numeric'], |
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self::TYPE_STRING => ['char', 'varchar'], |
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self::TYPE_TEXT => ['tinytext', 'text', 'mediumtext', 'longtext', 'blob'], |
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self::TYPE_DATE => ['date'], |
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self::TYPE_TIME => ['time'], |
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self::TYPE_DATETIME => ['datetime', 'timestamp'], |
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self::TYPE_BOOLEAN => ['boolean'], |
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]; |
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public const PHP_CACHE_FOLDER = 'models'; |
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/** |
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* Array asociativo con la última lista de tablas leídas de la base de datos. |
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* Se ha optimizado generándolo como array asociativo. |
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* Se ha probado cacheando en una tabla yaml, y así es mucho más rápido. |
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* |
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* @var null|array |
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*/ |
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private static $tableList = null; |
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private static $xmlTableList = null; |
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/** |
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* Divide un tipo de dato de la base de datos en sus diferentes partes. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param string $originalType |
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* |
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* @return array |
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*/ |
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public static function splitType(string $originalType): array |
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{ |
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$replacesSources = [ |
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'character varying', |
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// 'timestamp without time zone', |
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'double precision', |
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]; |
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$replacesDestination = [ |
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'varchar', |
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// 'timestamp', |
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'double', |
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]; |
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$modifiedType = (str_replace($replacesSources, $replacesDestination, $originalType)); |
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if ($originalType !== $modifiedType) { |
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debug_message("XML: Uso de '{$originalType}' en lugar de '{$modifiedType}'."); |
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} |
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$explode = explode(' ', strtolower($modifiedType)); |
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$pos = strpos($explode[0], '('); |
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if ($pos > 0) { |
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$begin = $pos + 1; |
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$end = strpos($explode[0], ')'); |
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$type = substr($explode[0], 0, $pos); |
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$length = substr($explode[0], $begin, $end - $begin); |
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} else { |
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$type = $explode[0]; |
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$length = null; |
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} |
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$pos = array_search('unsigned', $explode, true); |
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$unsigned = $pos ? 'yes' : 'no'; |
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$pos = array_search('zerofill', $explode, true); |
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$zerofill = $pos ? 'yes' : 'no'; |
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return ['type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'zerofill' => $zerofill]; |
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} |
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/** |
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* Obtiene el tipo genérico del tipo de dato que se le ha pasado. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param string $type |
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* |
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* @return string |
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*/ |
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public static function getTypeOf(string $type): string |
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{ |
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foreach (DBSchema::TYPES as $index => $types) { |
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if (in_array(strtolower($type), $types)) { |
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return $index; |
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} |
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} |
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debug_message($type . ' not found in DBSchema::getTypeOf()'); |
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return 'text'; |
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} |
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/** |
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* Elimina la lista de tablas leídas de la base de datos, para comprobar si existe si tener que consultar cada vez. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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*/ |
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public static function clearTableList() |
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{ |
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self::$tableList = null; |
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} |
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/** |
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* Ésto realiza comprobaciones adicionales. |
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* Por lo que veo, lo único que hace es tratar de convertir una tabla que no es |
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* InnoDB en InnoDB. |
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* En otras bases de datos como Postgres no hace nada. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param $table_name |
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* |
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* @return bool |
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*/ |
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public static function checkTableAux(string $table_name): bool |
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{ |
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return DB::$engine->check_table_aux($table_name); |
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} |
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/** |
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* Retorna el código SQL para actualizar las columnas de una tabla que han sufrido |
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* modificaciones en su archivo de definición. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @version 2022.0903 |
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* |
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* @param string $table_name |
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* @param array $xml_cols |
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* @param array $db_cols |
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* |
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* @return string |
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*/ |
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public static function compareColumns(string $table_name, array $xml_cols, array $db_cols): string |
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{ |
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return DB::$engine->compare_columns($table_name, $xml_cols, $db_cols); |
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} |
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/** |
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* Retorna el código SQL para actualizar las constraint de una tabla que ha sufrido |
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* modificaciones en su archivo de definición. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param $table_name |
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* @param $xml_cons |
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* @param $db_cons |
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* @param $delete_only |
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* |
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* @return string |
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*/ |
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public static function compareConstraints($table_name, $xml_cons, $db_cons, $delete_only = false): string |
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{ |
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return DB::$engine->compare_constraints($table_name, $xml_cons, $db_cons, $delete_only); |
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} |
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/** |
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* Retorna el formato de fecha de la base de datos. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @return string |
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*/ |
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public static function dateStyle(): string |
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{ |
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return DB::$engine->date_style(); |
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} |
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/** |
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* Retorna el literal $str eliminando aquellos caracteres que pueden provocar problemas en |
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* una consulta SQL. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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public static function escapeString(string $str): string |
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{ |
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return "'" . DB::$engine->escape_string($str) . "'"; |
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} |
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public static function generateTableSql(string $tablename): string |
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{ |
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$xml = static::getXmlTable($tablename); |
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return DB::$engine->generate_table($tablename, $xml['columns'], $xml['constraints']); |
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} |
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public static function generateTableSeedSql(string $tablename): string |
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{ |
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$seeds = static::getFilesFromPlugins('Model/seed/', '.csv'); |
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if (!isset($seeds[$tablename])) { |
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return ''; |
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} |
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$filename = $seeds[$tablename]; |
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$result = ''; |
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$rows = 10; // Indicamos el número de registros que vamos a insertar de una vez |
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$handle = fopen($filename, "r"); |
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if ($handle === false) { |
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debug_message('No ha sido posible abrir el archivo ' . $filename); |
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return ''; |
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} |
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// Asumimos que la primera fila es la cabecera... |
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$header = fgetcsv($handle, 0, ';'); |
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if ($header === false) { |
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debug_message('No ha sido posible leer la primera línea del archivo ' . $filename); |
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fclose($handle); |
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return ''; |
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} |
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$sqlHeader = "INSERT INTO `{$tablename}` (`" . implode('`, `', $header) . '`) VALUES '; |
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$row = 0; |
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$sqlData = []; |
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while (($data = fgetcsv($handle, 0, ';')) !== false) { |
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// Entrecomillamos lo que no sea null. |
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foreach ($data as $key => $datum) { |
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if (mb_strtoupper($datum) !== 'NULL') { |
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$data[$key] = "'$datum'"; |
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} |
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} |
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if ($row % $rows === 0) { |
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if (count($sqlData) > 0) { |
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$result .= ($sqlHeader . implode(', ', $sqlData) . ';' . PHP_EOL); |
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} |
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$sqlData = []; |
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} |
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$sqlData[] = '(' . implode(', ', $data) . ')'; |
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$row++; |
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} |
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if (count($sqlData) > 0) { |
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$result .= ($sqlHeader . implode(', ', $sqlData) . ';' . PHP_EOL); |
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} |
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fclose($handle); |
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return $result; |
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} |
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/** |
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* Crea una tabla a partir de su estructura xml. |
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* Puebla los datos |
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* Retorna true si consigue crearla correctamente. |
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* Retorna false si se produce un error durante la creación, o si ya existe. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0907 |
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* |
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* @param string $tablename |
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* |
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* @return bool |
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*/ |
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public static function generateTable(string $tablename): bool |
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{ |
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$sql = static::generateTableSql($tablename); |
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$ok = DB::exec($sql); |
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if (!$ok) { |
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return false; |
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} |
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$sql = static::generateTableSeedSql($tablename); |
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return DB::exec($sql); |
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} |
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/** |
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* Contiene un array con las columnas de la tabla. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0903 |
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* |
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* @param string $table_name |
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* |
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* @return array |
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*/ |
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public static function getColumns(string $table_name): array |
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{ |
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$result = []; |
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foreach (DB::$engine->get_columns($table_name) as $column) { |
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$result[$column['name']] = $column; |
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} |
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return $result; |
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} |
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/** |
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* Retorna un array asociativo con los archivos de la ruta especificada ($path), |
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* que tengan extensión $extension. |
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* El índice es el nombre del archivo sin extensión. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2022.0904 |
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* |
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* @param string $path |
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* @param string $extension |
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* |
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* @return array |
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*/ |
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private static function getFilesFromPath(string $path, string $extension): array |
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{ |
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$result = []; |
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if (!file_exists($path)) { |
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return $result; |
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} |
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$scanData = scandir($path); |
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if (!is_array($scanData)) { |
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return $result; |
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} |
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foreach ($scanData as $scan) { |
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// Excluímos las carpetas . y .. |
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if (mb_strpos($scan, '.') === 0) { |
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continue; |
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|
|
} |
360
|
|
|
if (mb_substr($scan, -mb_strlen($extension)) === $extension) { |
361
|
|
|
$result[mb_substr($scan, 0, -mb_strlen($extension))] = constant('BASE_PATH') . '/' . $path . $scan; |
362
|
|
|
} |
363
|
|
|
} |
364
|
|
|
|
365
|
|
|
return $result; |
366
|
|
|
} |
367
|
|
|
|
368
|
|
|
/** |
369
|
|
|
* Obtiene todos los archivos de la ruta especificada para el núcleo y plugins. |
370
|
|
|
* En el caso de tablas repetidas, se mantiene el del último plugin activado. |
371
|
|
|
* |
372
|
|
|
* @author Rafael San José Tovar <[email protected]> |
373
|
|
|
* @version 2022.0904 |
374
|
|
|
* |
375
|
|
|
* @param string $folder |
376
|
|
|
* @param string $extension |
377
|
|
|
* |
378
|
|
|
* @return array |
379
|
|
|
*/ |
380
|
|
|
public static function getFilesFromPlugins(string $folder, string $extension): array |
381
|
|
|
{ |
382
|
|
|
$result = []; |
383
|
|
|
|
384
|
|
|
// Ruta de los xml en formato antiguo |
385
|
|
|
$path = $folder; |
386
|
|
|
$result = array_merge($result, static::getFilesFromPath($path, $extension)); |
387
|
|
|
|
388
|
|
|
// Ruta de los xml en formato nuevo |
389
|
|
|
$path = 'src/Xnet/' . $folder; |
390
|
|
|
$result = array_merge($result, static::getFilesFromPath($path, $extension)); |
391
|
|
|
|
392
|
|
|
foreach (Version::getEnabledPluginsArray() as $plugin) { |
|
|
|
|
393
|
|
|
$path = 'plugins/' . $plugin . '/' . mb_strtolower($folder); |
394
|
|
|
$result = array_merge($result, static::getFilesFromPath($path, $extension)); |
395
|
|
|
|
396
|
|
|
$path = 'plugins/' . $plugin . '/' . $folder; |
397
|
|
|
$result = array_merge($result, static::getFilesFromPath($path, $extension)); |
398
|
|
|
} |
399
|
|
|
|
400
|
|
|
return $result; |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
/** |
404
|
|
|
* Carga el listado de archivos XML del archivo YAML existente. |
405
|
|
|
* Si el archivo YAML no existe, genera la información y lo crea. |
406
|
|
|
* Retorna un array asociativo con el contenido de dicho archivo. |
407
|
|
|
* |
408
|
|
|
* @author Rafael San José Tovar <[email protected]> |
409
|
|
|
* @version 2022.0904 |
410
|
|
|
* |
411
|
|
|
* @return array |
412
|
|
|
*/ |
413
|
|
|
private static function getYamlXmlFiles(): array |
414
|
|
|
{ |
415
|
|
|
$result = XnetPhpFileCache::loadYamlFile(XnetConfig::PHP_CACHE_FOLDER, 'tables'); |
|
|
|
|
416
|
|
|
if (!empty($result)) { |
417
|
|
|
return $result; |
418
|
|
|
} |
419
|
|
|
|
420
|
|
|
$result = static::getFilesFromPlugins('Model/table/', '.xml'); |
421
|
|
|
XnetPhpFileCache::saveYamlFile(XnetConfig::PHP_CACHE_FOLDER, 'tables', $result); |
422
|
|
|
return $result; |
423
|
|
|
} |
424
|
|
|
|
425
|
|
|
/** |
426
|
|
|
* Retorna la ruta del archivo xml de configuración de la tabla $tablename |
427
|
|
|
* |
428
|
|
|
* @author Rafael San José Tovar <[email protected]> |
429
|
|
|
* @version 2022.0903 |
430
|
|
|
* |
431
|
|
|
* @param string $tablename |
432
|
|
|
* |
433
|
|
|
* @return string |
434
|
|
|
*/ |
435
|
|
|
public static function getXmlPath(string $tablename): ?string |
436
|
|
|
{ |
437
|
|
|
$files = static::listXmlTables(); |
438
|
|
|
if (isset($files[$tablename])) { |
439
|
|
|
return $files[$tablename]; |
440
|
|
|
} |
441
|
|
|
return null; |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
/** |
445
|
|
|
* Incluye el archivo XML $child dentro de $parent, y retorna el resultado. |
446
|
|
|
* |
447
|
|
|
* @author Rafael San José Tovar <[email protected]> |
448
|
|
|
* @version 2022.0903 |
449
|
|
|
* |
450
|
|
|
* @param \SimpleXMLElement $parent |
451
|
|
|
* @param \SimpleXMLElement $child |
452
|
|
|
* |
453
|
|
|
* @return \SimpleXMLElement |
454
|
|
|
*/ |
455
|
|
|
private static function mergeXml(\SimpleXMLElement $parent, \SimpleXMLElement $child): \SimpleXMLElement |
456
|
|
|
{ |
457
|
|
|
foreach (['columna', 'restriccion'] as $toMerge) { |
458
|
|
|
foreach ($child->{$toMerge} as $item) { |
459
|
|
|
$childItem = $parent->addChild($toMerge, $item); |
460
|
|
|
foreach ($item->children() as $child) { |
461
|
|
|
$childItem->addChild($child->getName(), reset($child)); |
462
|
|
|
} |
463
|
|
|
// Si es una relación extendida, tiene que ser nullable para poder desactivar el plugin |
464
|
|
|
if (!isset($childItem->nulo) && reset($childItem->tipo) === 'relationship') { |
465
|
|
|
$childItem->addChild('nulo', 'YES'); |
466
|
|
|
} |
467
|
|
|
} |
468
|
|
|
} |
469
|
|
|
return $parent; |
470
|
|
|
} |
471
|
|
|
|
472
|
|
|
/** |
473
|
|
|
* Carga el archivo XML $filename, incluyendo sus dependencias de otros XML |
474
|
|
|
* |
475
|
|
|
* @author Rafael San José Tovar <[email protected]> |
476
|
|
|
* @version 2022.0810 |
477
|
|
|
* |
478
|
|
|
* @param string $tablename |
479
|
|
|
* |
480
|
|
|
* @return \SimpleXMLElement |
481
|
|
|
*/ |
482
|
|
|
private static function loadXmlFile(string $tablename): \SimpleXMLElement |
483
|
|
|
{ |
484
|
|
|
$filename = self::getXmlPath($tablename); |
485
|
|
|
if (empty($filename)) { |
486
|
|
|
die($tablename . ' XML not found'); |
|
|
|
|
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
if (!file_exists($filename)) { |
490
|
|
|
die('Archivo ' . $filename . ' no encontrado.'); |
|
|
|
|
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
$xml = simplexml_load_string(file_get_contents($filename, FILE_USE_INCLUDE_PATH)); |
|
|
|
|
494
|
|
|
if (!$xml) { |
|
|
|
|
495
|
|
|
die('Error al leer el archivo ' . $filename); |
|
|
|
|
496
|
|
|
} |
497
|
|
|
|
498
|
|
|
if (!isset($xml->incluye) || $xml->incluye->count() === 0) { |
499
|
|
|
return $xml; |
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
// Si hay un apartado "incluye", hay que incluir las rutas |
503
|
|
|
foreach ($xml->incluye->children() as $item) { |
504
|
|
|
$includeFilename = './' . trim(reset($item)); |
|
|
|
|
505
|
|
|
|
506
|
|
|
$xmlParent = simplexml_load_string(file_get_contents($includeFilename, FILE_USE_INCLUDE_PATH)); |
507
|
|
|
if (!$xmlParent) { |
508
|
|
|
die('Error al leer el archivo ' . $includeFilename); |
|
|
|
|
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
$xml = self::mergeXml($xmlParent, $xml); |
512
|
|
|
} |
513
|
|
|
|
514
|
|
|
return $xml; |
515
|
|
|
} |
516
|
|
|
|
517
|
|
|
/** |
518
|
|
|
* Normaliza la información de una columna con los datos que se le han pasado del XML. |
519
|
|
|
* |
520
|
|
|
* @author Rafael San José Tovar <[email protected]> |
521
|
|
|
* @version 2022.0905 |
522
|
|
|
* |
523
|
|
|
* @param \SimpleXMLElement $col |
524
|
|
|
* |
525
|
|
|
* @return array |
526
|
|
|
*/ |
527
|
|
|
private static function getXmlColumn(\SimpleXMLElement $col): array |
528
|
|
|
{ |
529
|
|
|
$column = []; |
530
|
|
|
$key = (string) $col->nombre; |
531
|
|
|
|
532
|
|
|
$column['nombre'] = $key; |
533
|
|
|
$column['tipo'] = (string) $col->tipo; |
534
|
|
|
|
535
|
|
|
$column['nulo'] = 'YES'; |
536
|
|
|
if ($col->nulo && mb_strtolower($col->nulo) == 'no') { |
537
|
|
|
$column['nulo'] = 'NO'; |
538
|
|
|
} |
539
|
|
|
|
540
|
|
|
if (empty($col->defecto)) { |
541
|
|
|
$column['defecto'] = null; |
542
|
|
|
} else { |
543
|
|
|
$column['defecto'] = (string) $col->defecto; |
544
|
|
|
} |
545
|
|
|
|
546
|
|
|
/** |
547
|
|
|
* Pueden existir otras definiciones de limitaciones físicas como min y max |
548
|
|
|
* De existir, tienen que ser contempladas en el método test y tener mayor peso que |
549
|
|
|
* la limitación en plantilla. |
550
|
|
|
*/ |
551
|
|
|
foreach (['min', 'max'] as $field) { |
552
|
|
|
if (isset($col->{$field})) { |
553
|
|
|
$column[$field] = (string) $col->{$field}; |
554
|
|
|
} |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
if (isset($col->description)) { |
558
|
|
|
debug_message('Cambie la etiqueta <description> por comentario en ' . $col->nombre . ' de ' . $tablename); |
|
|
|
|
559
|
|
|
$column['comentario'] = (string) $col->description; |
560
|
|
|
} elseif (isset($col->comment)) { |
561
|
|
|
debug_message('Cambie la etiqueta <comment> por comentario en ' . $col->nombre . ' de ' . $tablename); |
562
|
|
|
$column['comentario'] = (string) $col->comment; |
563
|
|
|
} elseif (isset($col->comentario)) { |
564
|
|
|
$column['comentario'] = (string) $col->comentario; |
565
|
|
|
} |
566
|
|
|
|
567
|
|
|
// Aquí vienen los datos adicionales... |
568
|
|
|
|
569
|
|
|
switch ($col->tipo) { |
570
|
|
|
case 'serial': |
571
|
|
|
$colType = constant('FS_DB_INTEGER'); |
572
|
|
|
break; |
573
|
|
|
case 'autoincrement': |
574
|
|
|
case 'relationship': |
575
|
|
|
$colType = constant('DB_INDEX_TYPE'); |
576
|
|
|
break; |
577
|
|
|
case 'boolean': |
578
|
|
|
$colType = 'tinyint(1) unsigned'; |
579
|
|
|
break; |
580
|
|
|
default: |
581
|
|
|
$colType = (string) $col->tipo; |
582
|
|
|
} |
583
|
|
|
$typeArray = static::splitType($colType); |
584
|
|
|
$type = $typeArray['type']; |
585
|
|
|
$length = $typeArray['length']; |
586
|
|
|
$unsigned = $typeArray['unsigned'] === 'yes'; |
587
|
|
|
$zerofill = $typeArray['zerofill'] === 'yes'; |
|
|
|
|
588
|
|
|
$genericType = static::getTypeOf($type); |
589
|
|
|
|
590
|
|
|
$column['realtype'] = $type; |
591
|
|
|
$column['generictype'] = $genericType; |
592
|
|
|
|
593
|
|
|
if (isset($col->defecto)) { |
594
|
|
|
$column['default'] = trim($col->defecto, " \"'`"); |
595
|
|
|
} |
596
|
|
|
|
597
|
|
|
switch ($genericType) { |
598
|
|
|
case 'string': |
599
|
|
|
$column['maxlength'] = $length; |
600
|
|
|
break; |
601
|
|
|
case 'integer': |
602
|
|
|
/** |
603
|
|
|
* Lo primero es ver la capacidad física máxima según el tipo de dato. |
604
|
|
|
*/ |
605
|
|
|
$bytes = 4; |
606
|
|
|
switch ($type) { |
607
|
|
|
case 'tinyint': |
608
|
|
|
$bytes = 1; |
609
|
|
|
break; |
610
|
|
|
case 'smallint': |
611
|
|
|
$bytes = 2; |
612
|
|
|
break; |
613
|
|
|
case 'mediumint': |
614
|
|
|
$bytes = 3; |
615
|
|
|
break; |
616
|
|
|
case 'int': |
617
|
|
|
$bytes = 4; |
618
|
|
|
break; |
619
|
|
|
case 'bigint': |
620
|
|
|
$bytes = 8; |
621
|
|
|
break; |
622
|
|
|
} |
623
|
|
|
$bits = 8 * (int) $bytes; |
624
|
|
|
$physicalMaxLength = 2 ** $bits; |
625
|
|
|
|
626
|
|
|
/** |
627
|
|
|
* $minDataLength y $maxDataLength contendrán el mínimo y máximo valor que puede contener el campo. |
628
|
|
|
*/ |
629
|
|
|
$minDataLength = $unsigned ? 0 : -$physicalMaxLength / 2; |
630
|
|
|
$maxDataLength = ($unsigned ? $physicalMaxLength : $physicalMaxLength / 2) - 1; |
631
|
|
|
|
632
|
|
|
/** |
633
|
|
|
* De momento, se asignan los límites máximos por el tipo de dato. |
634
|
|
|
* En $min y $max, iremos arrastrando los límites conforme se vayan comprobando. |
635
|
|
|
* $min nunca podrá ser menor que $minDataLength. |
636
|
|
|
* $max nunca podrá ser mayor que $maxDataLength. |
637
|
|
|
*/ |
638
|
|
|
$min = $minDataLength; |
639
|
|
|
$max = $maxDataLength; |
640
|
|
|
|
641
|
|
|
/** |
642
|
|
|
* Se puede hacer una limitación física Se puede haber definido en el xml un min y un max. |
643
|
|
|
* A todos los efectos, lo definido en el XML como min o max se toma como limitación |
644
|
|
|
* física del campo. |
645
|
|
|
*/ |
646
|
|
|
if (isset($col->min)) { |
647
|
|
|
$minXmlLength = $col->min; |
648
|
|
|
if ($minXmlLength > $minDataLength) { |
649
|
|
|
$min = $minXmlLength; |
650
|
|
|
} else { |
651
|
|
|
debug_message("({$key}): Se ha especificado un min {$minXmlLength} en el XML, pero por el tipo de datos, el mínimo es {$minDataLength}."); |
652
|
|
|
} |
653
|
|
|
} |
654
|
|
|
if (isset($col->max)) { |
655
|
|
|
$maxXmlLength = $col->max; |
656
|
|
|
if ($maxXmlLength < $maxDataLength) { |
657
|
|
|
$max = $maxXmlLength; |
658
|
|
|
} else { |
659
|
|
|
debug_message("({$key}): Se ha especificado un min {$maxXmlLength} en el XML, pero por el tipo de datos, el máximo es {$maxDataLength}."); |
660
|
|
|
} |
661
|
|
|
} |
662
|
|
|
|
663
|
|
|
$column['min'] = $min; |
664
|
|
|
$column['max'] = $max; |
665
|
|
|
break; |
666
|
|
|
default: |
667
|
|
|
// ??? |
668
|
|
|
} |
669
|
|
|
|
670
|
|
|
return $column; |
671
|
|
|
} |
672
|
|
|
|
673
|
|
|
/** |
674
|
|
|
* Retorna un array con el contenido del archivo XML de la tabla seleccionada. |
675
|
|
|
* |
676
|
|
|
* @author Rafael San José Tovar <[email protected]> |
677
|
|
|
* @version 2022.0904 |
678
|
|
|
* |
679
|
|
|
* @param string $tablename |
680
|
|
|
* |
681
|
|
|
* @return array[] |
682
|
|
|
*/ |
683
|
|
|
public static function getXmlTable(string $tablename): array |
684
|
|
|
{ |
685
|
|
|
XnetDebugBar::startTimer('leexml' . $tablename, 'Leer archivo ' . $tablename); |
|
|
|
|
686
|
|
|
$result = XnetPhpFileCache::loadYamlFile(static::PHP_CACHE_FOLDER, $tablename); |
687
|
|
|
XnetDebugBar::stopTimer('leexml' . $tablename); |
688
|
|
|
|
689
|
|
|
if (!empty($result)) { |
690
|
|
|
return $result; |
691
|
|
|
} |
692
|
|
|
|
693
|
|
|
XnetDebugBar::startTimer('creaxml' . $tablename, 'Crear archivo ' . $tablename); |
694
|
|
|
|
695
|
|
|
$xml = self::loadXmlFile($tablename); |
696
|
|
|
|
697
|
|
|
$columns = []; |
698
|
|
|
$constraints = []; |
699
|
|
|
if ($xml->columna) { |
700
|
|
|
foreach ($xml->columna as $col) { |
701
|
|
|
$columns[] = static::getXmlColumn($col); |
702
|
|
|
} |
703
|
|
|
} |
704
|
|
|
|
705
|
|
|
if ($xml->restriccion) { |
706
|
|
|
$i = 0; |
707
|
|
|
foreach ($xml->restriccion as $col) { |
708
|
|
|
$constraints[$i]['nombre'] = (string) $col->nombre; |
709
|
|
|
$constraints[$i]['consulta'] = (string) $col->consulta; |
710
|
|
|
$i++; |
711
|
|
|
} |
712
|
|
|
} |
713
|
|
|
|
714
|
|
|
$result = [ |
715
|
|
|
'columns' => $columns, |
716
|
|
|
'constraints' => $constraints, |
717
|
|
|
]; |
718
|
|
|
|
719
|
|
|
if (!XnetPhpFileCache::saveYamlFile(static::PHP_CACHE_FOLDER, $tablename, $result)) { |
720
|
|
|
debug_message('No se ha podido guardar el XML de ' . $tablename . ' en la YAML caché.'); |
|
|
|
|
721
|
|
|
} |
722
|
|
|
XnetDebugBar::stopTimer('creaxml' . $tablename); |
723
|
|
|
return $result; |
724
|
|
|
} |
725
|
|
|
|
726
|
|
|
/** |
727
|
|
|
* Obtiene un array asociativo con las columnas de la tabla. |
728
|
|
|
* Es igual que getColumns, sólo que el índice del array es el nombre de la columna. |
729
|
|
|
* |
730
|
|
|
* @author Rafael San José Tovar <[email protected]> |
731
|
|
|
* @version 2022.0903 |
732
|
|
|
* |
733
|
|
|
* @param string $table_name |
734
|
|
|
* |
735
|
|
|
* @return array |
736
|
|
|
* |
737
|
|
|
* @deprecated Utilice getColumns, ya es lo mismo |
738
|
|
|
*/ |
739
|
|
|
public static function getColumnsAssociativeArray(string $table_name): array |
740
|
|
|
{ |
741
|
|
|
return static::getColumns($table_name); |
742
|
|
|
} |
743
|
|
|
|
744
|
|
|
public static function getConstraints(string $table_name, bool $extended = false): array |
745
|
|
|
{ |
746
|
|
|
if ($extended) { |
747
|
|
|
return DB::$engine->get_constraints_extended($table_name); |
|
|
|
|
748
|
|
|
} |
749
|
|
|
|
750
|
|
|
return DB::$engine->get_constraints($table_name); |
|
|
|
|
751
|
|
|
} |
752
|
|
|
|
753
|
|
|
public function deleteConstraint(string $table_name, string $constraint_name): bool |
754
|
|
|
{ |
755
|
|
|
return DB::$engine->delete_constraint($table_name, $constraint_name); |
|
|
|
|
756
|
|
|
} |
757
|
|
|
|
758
|
|
|
public function getIndexes($table_name) |
759
|
|
|
{ |
760
|
|
|
return DB::$engine->get_indexes($table_name); |
|
|
|
|
761
|
|
|
} |
762
|
|
|
|
763
|
|
|
public static function getSelects() |
764
|
|
|
{ |
765
|
|
|
return DB::$engine->get_selects(); |
|
|
|
|
766
|
|
|
} |
767
|
|
|
|
768
|
|
|
public static function getTransactions() |
769
|
|
|
{ |
770
|
|
|
return DB::$engine->get_transactions(); |
|
|
|
|
771
|
|
|
} |
772
|
|
|
|
773
|
|
|
public static function lastval() |
774
|
|
|
{ |
775
|
|
|
return DB::$engine->lastval(); |
|
|
|
|
776
|
|
|
} |
777
|
|
|
|
778
|
|
|
public function select_limit($sql, $limit = null, $offset = 0) |
779
|
|
|
{ |
780
|
|
|
if ($limit === null) { |
781
|
|
|
$limit = get_item_limit(); |
|
|
|
|
782
|
|
|
} |
783
|
|
|
return DB::$engine->select_limit($sql, $limit, $offset); |
|
|
|
|
784
|
|
|
} |
785
|
|
|
|
786
|
|
|
public function sql_to_int($col_name) |
787
|
|
|
{ |
788
|
|
|
return DB::$engine->sql_to_int($col_name); |
|
|
|
|
789
|
|
|
} |
790
|
|
|
|
791
|
|
|
/** |
792
|
|
|
* Obtiene un array asociativo indexado por el nombre de cada una de las tablas |
793
|
|
|
* de la base de datos. El valor de cada elemento se pone a true, pero lo que |
794
|
|
|
* realmente importa es el índice, pues se verifica si el índice está, que es |
795
|
|
|
* más rápido que buscar. |
796
|
|
|
* El array se cachea en self::$tableList para las próximas peticiones. |
797
|
|
|
* |
798
|
|
|
* @author Rafael San José Tovar <[email protected]> |
799
|
|
|
* @version 2022.0904 |
800
|
|
|
* |
801
|
|
|
* @return array |
802
|
|
|
*/ |
803
|
|
|
private static function listTables(): array |
804
|
|
|
{ |
805
|
|
|
if (isset(self::$tableList)) { |
806
|
|
|
return self::$tableList; |
807
|
|
|
} |
808
|
|
|
|
809
|
|
|
$items = DB::$engine->list_tables(); |
|
|
|
|
810
|
|
|
self::$tableList = []; |
811
|
|
|
foreach ($items as $item) { |
812
|
|
|
self::$tableList[$item['name']] = true; |
813
|
|
|
} |
814
|
|
|
return self::$tableList; |
815
|
|
|
} |
816
|
|
|
|
817
|
|
|
/** |
818
|
|
|
* Obtiene un array asociativo indexado por el nombre de las tablas de la base |
819
|
|
|
* de datos, tomadas de los archivos XML de definición. |
820
|
|
|
* El array contiene la ruta completa al archivo XML correspondiente. |
821
|
|
|
* El array se cachea en self::$xmlTableList para las siguientes peticiones, |
822
|
|
|
* pero además, la búsqueda en el sistema de archivos también se cachea en |
823
|
|
|
* un archivo yaml, que sólo se regenera al limpiar caché. |
824
|
|
|
* |
825
|
|
|
* @author Rafael San José Tovar <[email protected]> |
826
|
|
|
* @version 2022.0904 |
827
|
|
|
* |
828
|
|
|
* @return array |
829
|
|
|
*/ |
830
|
|
|
public static function listXmlTables($force = false): array |
831
|
|
|
{ |
832
|
|
|
if (isset(self::$xmlTableList) && !$force) { |
833
|
|
|
return self::$xmlTableList; |
834
|
|
|
} |
835
|
|
|
|
836
|
|
|
self::$xmlTableList = static::getYamlXmlFiles(); |
837
|
|
|
return self::$xmlTableList; |
838
|
|
|
} |
839
|
|
|
|
840
|
|
|
/** |
841
|
|
|
* Retorna TRUE si la tabla $name existe en la base de datos. |
842
|
|
|
* |
843
|
|
|
* @author Rafael San José Tovar <[email protected]> |
844
|
|
|
* @version 2022.0904 |
845
|
|
|
* |
846
|
|
|
* @param $name |
847
|
|
|
* |
848
|
|
|
* @return bool |
849
|
|
|
*/ |
850
|
|
|
public static function tableExists($name) |
851
|
|
|
{ |
852
|
|
|
$list = self::listTables(); |
853
|
|
|
return isset($list[$name]); |
854
|
|
|
} |
855
|
|
|
|
856
|
|
|
/** |
857
|
|
|
* Actualiza el juego de caracteres y cómo se aplican las comparaciones. |
858
|
|
|
* |
859
|
|
|
* @author Rafael San José Tovar <[email protected]> |
860
|
|
|
* @version 2022.0903 |
861
|
|
|
* |
862
|
|
|
* @param string $charset |
863
|
|
|
* @param string $collation |
864
|
|
|
* |
865
|
|
|
* @return bool |
866
|
|
|
*/ |
867
|
|
|
public static function updateCollation(string $charset = 'utf8mb4', string $collation = 'utf8mb4_bin'): bool |
868
|
|
|
{ |
869
|
|
|
return DB::$engine->update_collation($charset, $collation); |
|
|
|
|
870
|
|
|
} |
871
|
|
|
|
872
|
|
|
/** |
873
|
|
|
* Realiza una búsqueda sin distinguir case ni tildes. |
874
|
|
|
* |
875
|
|
|
* @author Rafael San José Tovar <[email protected]> |
876
|
|
|
* @version 2022.0904 |
877
|
|
|
* |
878
|
|
|
* @param $col_name |
879
|
|
|
* @param $search |
880
|
|
|
* @param $splitWord |
881
|
|
|
* |
882
|
|
|
* @return string |
883
|
|
|
*/ |
884
|
|
|
public function search_diacritic_insensitive($col_name, $search, $splitWord = '') |
885
|
|
|
{ |
886
|
|
|
return DB::$engine->search_diacritic_insensitive($col_name, $search, $splitWord); |
|
|
|
|
887
|
|
|
} |
888
|
|
|
} |
889
|
|
|
|