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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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use Alxarafe\Core\Helpers\Dispatcher; |
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use Alxarafe\Core\Singletons\Debug; |
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use Alxarafe\Core\Singletons\FlashMessages; |
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use Alxarafe\Core\Singletons\Translator; |
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use Alxarafe\Core\Utils\MathUtils; |
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use DebugBar\DebugBarException; |
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use Symfony\Component\Yaml\Yaml; |
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/** |
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* Class Schema |
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* |
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* La clase abstracta Schema, define un esquema de base de datos teórico al que |
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* se traduce la base de datos real y viceversa, de manera que el código sea |
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* en la medida de lo posible, no dependiente de la base de datos real. |
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* |
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* TODO: ¿La información cacheada se procesa en YamlSchema o no merece la pena? |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* @version 2023.0101 |
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* |
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* @package Alxarafe\Database |
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*/ |
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class Schema |
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{ |
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/** |
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* Tipo entero. Número sin decimales. |
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*/ |
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public const TYPE_INTEGER = 'integer'; |
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/** |
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* Tipo real o coma flotante. Número con decimales. Puede dar problema con redondeos. |
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*/ |
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public const TYPE_FLOAT = 'float'; |
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/** |
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* Tipo numérico de coma fija. Número con N decimales y precisión absoluta. |
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* Es igual que un integer, pero se asume que un número determinado de dígitos son decimales. |
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*/ |
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public const TYPE_DECIMAL = 'decimal'; |
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/** |
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* Tipo cadena de texto |
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*/ |
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public const TYPE_STRING = 'string'; |
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/** |
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* Tipo bloque de texto |
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*/ |
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public const TYPE_TEXT = 'text'; |
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/** |
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* Tipo fecha |
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*/ |
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public const TYPE_DATE = 'date'; |
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/** |
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* Tipo hora |
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*/ |
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public const TYPE_TIME = 'time'; |
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/** |
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* Tipo fecha + hora. |
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* TODO: Hay que revisar el tema de la zona horaria. |
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* De lógica, siempre se debe de almacenar como UTC y convertir al guardar y leer. |
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*/ |
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public const TYPE_DATETIME = 'datetime'; |
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/** |
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* Tipo lógico: TRUE o FALSE. |
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*/ |
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public const TYPE_BOOLEAN = 'bool'; |
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/** |
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* Nombre del campo que se usa por defecto como clave primaria |
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*/ |
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public const DEFAULT_PRIMARY_KEY_FIELD = 'id'; |
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/** |
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* Nombre del campo que se usa por defecto como nombre |
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*/ |
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public const DEFAULT_NAME_FIELD = 'name'; |
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public const DEFAULT_UPDATE_RULE = 'restrict'; |
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public const DEFAULT_DELETE_RULE = 'restrict'; |
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/** |
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* Longitud de un string si no se ha detallado ninguna |
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*/ |
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public const DEFAULT_STRING_LENGTH = 50; |
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/** |
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* Bytes que usará un integer si no se ha detallado tamaño |
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*/ |
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public const DEFAULT_INTEGER_SIZE = 4; |
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/** |
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* Si un integer usa signo por defecto o no. True si no utiliza signo por defecto. |
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*/ |
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public const DEFAULT_INTEGER_UNSIGNED = true; |
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/** |
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* Retorno de carro y salto de línea |
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*/ |
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const CRLF = "\r\n"; |
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/** |
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* Contiene la definición ampliada de la estructura de la base de datos. |
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* |
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* @var array |
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*/ |
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public static array $bbddStructure; |
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/** |
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* Realiza una comprobación integral de la base de datos, verificando que la configuración |
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* indicada en los archivos yaml de configuración de tablas, se corresponde con lo |
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* creado en la base de datos. |
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* Adecúa la base de datos a la información facilitada por los archivos yaml. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* |
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* @throws DebugBarException |
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*/ |
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public static function checkDatabaseStructure() |
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{ |
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// TODO: Eliminar cuando ya cree y actualice correctamente las tablas |
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// DB::$engine->exec('DROP TABLE IF EXISTS `tc_users`;'); |
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// DB::$engine->exec('DROP TABLE IF EXISTS `tc_menus`;'); |
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// DB::$engine->exec('DROP TABLE IF EXISTS `tc_portfolio_assets`;'); |
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foreach (YamlSchema::getTables() as $key => $table) { |
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if (!file_exists($table)) { |
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Debug::message('No existe la tabla ' . $table); |
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} |
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Debug::message("Verificando la tabla $key, definida en $table."); |
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if (!static::checkStructure($key, $table)) { |
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FlashMessages::setError('Error al comprobar la estructura de la tabla ' . $table); |
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} |
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} |
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} |
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private static function getGenericType(array $data): array |
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{ |
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$result = []; |
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$type = $data['type']; |
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switch ($type) { |
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case 'autoincrement': |
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$result['nullable'] = 'no'; |
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// No se hace break intencionadamente |
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case 'relationship': |
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$type = Schema::TYPE_INTEGER; |
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$result['size'] = 8; |
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break; |
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} |
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// Si es un tipo genérico, se retorna automáticamente. |
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if (isset(DB::$helper::$types[$type])) { |
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$result['generictype'] = $type; |
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return $result; |
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} |
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foreach (DB::$helper::$types as $key => $types) { |
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if (in_array($type, $types)) { |
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$result['generictype'] = $key; |
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return $result; |
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} |
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} |
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Debug::message("No se ha encontrado genérico para {$type}. Se asume 'string'."); |
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$result['generictype'] = 'string'; |
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return $result; |
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} |
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private static function yamlFieldAnyToSchema(string $genericType): array |
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{ |
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$types = DB::$helper::getDataTypes(); |
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$type = $types[$genericType]; |
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$result = []; |
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$result['generictype'] = $genericType; |
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$result['dbtype'] = reset($type); |
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return $result; |
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} |
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/** |
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* Cumplimenta los datos faltantes del yaml de definición al de caché para |
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* tipos enteros. |
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* Posibles valores que se pueden recibir en $data: |
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* - min, es el valor mínimo aceptado por el entero. |
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* - max, es el valor máximo aceptado por el entero. |
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* - size, es el número de bytes que ocupa el entero. |
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* - unsigned, indica si necesita signo o no. |
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* La respuesta puede modificar algunos de esos valores. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private static function yamlFieldIntegerToSchema(array $data): array |
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{ |
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$min = $data['min'] ?? null; |
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$max = $data['max'] ?? null; |
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// Si hay mínimo y máximo, se ajusta el resto de parámetros a esos datos. |
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if ($min !== null && $max !== null) { |
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$unsigned = $min >= 0; |
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$size = MathUtils::howManyBytes($max, $min, $unsigned); |
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$extra = DB::$helper::getIntegerMinMax($size, $unsigned); |
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return [ |
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'dbtype' => $extra['dbtype'], |
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'min' => $min, |
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'max' => $max, |
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'size' => $extra['size'], |
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'unsigned' => $extra['unsigned'], |
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]; |
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} |
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// Si tenemos máximo, pero no tenemos mínimo, se ajusta al máximo y se toma signo por defecto |
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if ($max !== null) { |
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$unsigned = $data['unsigned'] ?? self::DEFAULT_INTEGER_UNSIGNED; |
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$size = MathUtils::howManyBytes($max); |
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$extra = DB::$helper::getIntegerMinMax($size, $unsigned); |
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return [ |
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'dbtype' => $extra['dbtype'], |
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'min' => $extra['min'], |
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'max' => $max, |
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'size' => $extra['size'], |
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'unsigned' => $extra['unsigned'], |
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]; |
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} |
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// Si lo que no tenemos es máximo, ajustamos el tamaño al mínimo y se ajusta el signo al mínimo |
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if ($min !== null) { |
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$unsigned = $min >= 0; |
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$size = MathUtils::howManyBytes($min, $min, $unsigned); |
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$extra = DB::$helper::getIntegerMinMax($size, $unsigned); |
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return [ |
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'dbtype' => $extra['dbtype'], |
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'min' => 0, // TODO: Si unsigned, será el menor entero negativo. |
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'max' => $max, |
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'size' => $extra['size'], |
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'unsigned' => $extra['unsigned'], |
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]; |
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} |
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// Mínimo y máximo son nulos |
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$size = $data['size'] ?? self::DEFAULT_INTEGER_SIZE; |
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$unsigned = $data['unsigned'] ?? self::DEFAULT_INTEGER_UNSIGNED; |
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return DB::$helper::getIntegerMinMax($size, $unsigned); |
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} |
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private static function yamlFieldStringToSchema(array $data): array |
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{ |
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return [ |
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'dbtype' => 'varchar', |
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'minlength' => $data['minlength'] ?? 0, |
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'length' => $data['length'] ?? self::DEFAULT_STRING_LENGTH, |
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]; |
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} |
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/** |
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* Tomando la definición de un campo de una tabla en un archivo yaml de definición, |
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* genera toda la información necesaria para la creación, actualización de la tabla |
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* y el mantenimiento de los datos del campo. |
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* |
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* @author Rafael San José Tovar <[email protected]> |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private static function yamlFieldToSchema(array $data): array |
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{ |
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/** |
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* Los datos que vienen del yaml son los siguientes: |
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* - name es el nombre del campo |
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* - type es el tipo genérico del campo |
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* El resto, será dependiente del tipo genérico de dato. |
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* Puede ocurrir que no venga un tipo genérico, sino uno fijo, en ese caso |
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* se intentará corregir, pero se notificará en la barra de depuración. |
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* Si hay error en la conversión, se generará un error. |
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*/ |
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$column = []; |
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$column['name'] = (string) $data['name']; |
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$column['type'] = (string) $data['type']; |
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$column['nullable'] = $data['nullable'] ?? 'yes'; |
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$column['default'] = $data['default'] ?? null; |
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$column = array_merge($column, self::getGenericType($data)); |
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switch ($column['generictype']) { |
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case Schema::TYPE_INTEGER: |
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foreach (['min', 'max', 'unsigned', 'size'] as $field) { |
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if (isset($data[$field])) { |
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$column[$field] = $data[$field]; |
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unset($data[$field]); |
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} |
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} |
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$result = self::yamlFieldIntegerToSchema($column); |
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break; |
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case Schema::TYPE_STRING: |
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foreach (['minlength', 'length'] as $field) { |
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if (isset($data[$field])) { |
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$column[$field] = $data[$field]; |
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unset($data[$field]); |
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} |
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} |
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$result = self::yamlFieldStringToSchema($column); |
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break; |
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// case Schema::TYPE_FLOAT: |
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// case Schema::TYPE_DECIMAL: |
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// case Schema::TYPE_TEXT: |
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// case Schema::TYPE_DATE: |
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// case Schema::TYPE_TIME: |
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// case Schema::TYPE_DATETIME: |
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// case Schema::TYPE_BOOLEAN: |
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default: |
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$result = self::yamlFieldAnyToSchema($column['generictype']); |
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} |
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unset($data['name']); |
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unset($data['type']); |
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unset($data['default']); |
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unset($data['nullable']); |
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$column = array_merge($column, $result); |
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if (count($data) > 0) { |
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dump(['Ignorado en data' => $data]); |
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} |
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return $column; |
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} |
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private static function yamlIndexToSchema(array $data): array |
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{ |
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|
|
$index = []; |
357
|
|
|
|
358
|
|
|
$index['column'] = strtolower($data['column']); |
359
|
|
|
if ($data['primary']) { |
360
|
|
|
$index['primary'] = 'yes'; |
361
|
|
|
$data['unique'] = 'yes'; |
362
|
|
|
} |
363
|
|
|
$index['unique'] = $data['unique'] ?? 'no'; |
364
|
|
|
|
365
|
|
|
// Es una relación |
366
|
|
|
if (isset($data['referencedtable'])) { |
367
|
|
|
$index['name'] = (string) $data['name']; |
368
|
|
|
$index['referencedtable'] = DB::$dbPrefix . strtolower($data['referencedtable']); |
369
|
|
|
$index['referencedfields'] = strtolower($data['referencedfields']) ?? self::DEFAULT_PRIMARY_KEY_FIELD; |
370
|
|
|
$index['updaterule'] = strtolower($data['updaterule']) ?? self::DEFAULT_UPDATE_RULE; |
371
|
|
|
$index['deleterule'] = strtolower($data['deleterule']) ?? self::DEFAULT_DELETE_RULE; |
372
|
|
|
} |
373
|
|
|
|
374
|
|
|
return $index; |
375
|
|
|
} |
376
|
|
|
|
377
|
|
|
private static function checkTable(string $tableName, string $path, bool $create = true): array |
|
|
|
|
378
|
|
|
{ |
379
|
|
|
$yaml = Yaml::parseFile($path); |
380
|
|
|
$fields = $yaml['fields'] ?? []; |
381
|
|
|
|
382
|
|
|
$dataFields = []; |
383
|
|
|
foreach ($fields as $key => $field) { |
384
|
|
|
$field['name'] = $key; |
385
|
|
|
$schema = Schema::yamlFieldToSchema($field); |
386
|
|
|
$dataFields['yamldef'][$key] = $field; |
387
|
|
|
$dataFields['schema'][$key] = $schema; |
388
|
|
|
$dataFields['db'][$key] = DB::$helper::yamlFieldToDb($schema); |
389
|
|
|
} |
390
|
|
|
|
391
|
|
|
$indexes = DB::$helper::yamlIndexToDb($yaml); |
392
|
|
|
$dataIndexes = []; |
393
|
|
|
foreach ($indexes as $key => $index) { |
394
|
|
|
$index['name'] = $key; |
395
|
|
|
$dataIndexes[$key] = Schema::yamlIndexToSchema($index); |
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
return [ |
399
|
|
|
'fields' => $dataFields, |
400
|
|
|
'indexes' => $dataIndexes, |
401
|
|
|
]; |
402
|
|
|
} |
403
|
|
|
|
404
|
|
|
/** |
405
|
|
|
* Comprueba la estructura de la tabla y la crea si no existe y así se solicita. |
406
|
|
|
* Si los datos de la estructura no están en la caché, los regenera y almacena. |
407
|
|
|
* Al regenerar los datos para la caché, también realiza una verificación de |
408
|
|
|
* la estructura por si hay cambios que aplicar en la misma. |
409
|
|
|
* |
410
|
|
|
* TODO: Es mejor que haya un checkStructure que genere TODAS las tablas e índices |
411
|
|
|
* Ese checkstructure se debe de generar tras limpiar caché. |
412
|
|
|
* La caché deberá de limpiarse cada vez que se active o desactive un módulo. |
413
|
|
|
* El último paso de la generación de tablas, sería comprobar las dependencias |
414
|
|
|
* de tablas para saber cuántas tablas usan una constraint de cada tabla para poder |
415
|
|
|
* realizar cambios en la base de datos y tener una visión más nítida de la misma en |
416
|
|
|
* cualquier momento, si bien, esa estructura no será clara hasta que no se hayan leído |
417
|
|
|
* todas, y si hay un cambio entre medias, pues igual la única solución viable es |
418
|
|
|
* determinarlo por la propia base de datos. |
419
|
|
|
* |
420
|
|
|
* @author Rafael San José Tovar <[email protected]> |
421
|
|
|
* @version 2023.0105 |
422
|
|
|
* |
423
|
|
|
* @param string $tableName |
424
|
|
|
* @param string $path |
425
|
|
|
* @param bool $create |
426
|
|
|
* |
427
|
|
|
* @return bool |
428
|
|
|
* @throws DebugBarException |
429
|
|
|
*/ |
430
|
|
|
private static function checkStructure(string $tableName, string $path, bool $create = true): bool |
431
|
|
|
{ |
432
|
|
|
// Si el dato ya ha sido cargado, retornamos porque no hay nada que hacer. |
433
|
|
|
if (!empty(self::$bbddStructure[$tableName])) { |
434
|
|
|
return true; |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
// Si no está, pero está cacheado, se recupera de la caché y se retorna. |
438
|
|
|
self::$bbddStructure[$tableName] = YamlSchema::loadCacheYamlFile(YamlSchema::YAML_CACHE_TABLES_DIR, $tableName); |
439
|
|
|
if (!empty(self::$bbddStructure[$tableName])) { |
440
|
|
|
return true; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
// Si no está cacheado, entonces hay que comprobar si hay cambios en la estructura y regenerarla. |
444
|
|
|
self::$bbddStructure[$tableName] = self::checkTable($tableName, $path, $create); |
445
|
|
|
|
446
|
|
|
if (DB::tableExists($tableName)) { |
447
|
|
|
Debug::message('La tabla ' . $tableName . ' existe'); |
448
|
|
|
if (!self::updateTable($tableName)) { |
449
|
|
|
FlashMessages::setError(Translator::trans('table_creation_error', ['%tablename%' => $tableName])); |
450
|
|
|
} |
451
|
|
|
} else { |
452
|
|
|
Debug::message('La tabla ' . $tableName . ' NO existe'); |
453
|
|
|
if (!self::createTable($tableName)) { |
454
|
|
|
FlashMessages::setError(Translator::trans('table_creation_error', ['%tablename%' => $tableName])); |
455
|
|
|
} |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
if (!YamlSchema::saveCacheYamlFile(YamlSchema::YAML_CACHE_TABLES_DIR, $tableName, self::$bbddStructure[$tableName])) { |
459
|
|
|
Debug::message('No se ha podido guardar la información de caché para la tabla ' . $tableName); |
460
|
|
|
return false; |
461
|
|
|
} |
462
|
|
|
return true; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Obtiene el tipo genérico del tipo de dato que se le ha pasado. |
467
|
|
|
* |
468
|
|
|
* @author Rafael San José Tovar <[email protected]> |
469
|
|
|
* @version 2023.0101 |
470
|
|
|
* |
471
|
|
|
* @param string $type |
472
|
|
|
* |
473
|
|
|
* @return string |
474
|
|
|
*/ |
475
|
|
|
public static function _getTypeOf(string $type): string |
476
|
|
|
{ |
477
|
|
|
foreach (DB::getDataTypes() as $index => $types) { |
|
|
|
|
478
|
|
|
if (in_array(strtolower($type), $types)) { |
479
|
|
|
return $index; |
480
|
|
|
} |
481
|
|
|
} |
482
|
|
|
Debug::message($type . ' not found in DBSchema::getTypeOf()'); |
483
|
|
|
return 'text'; |
484
|
|
|
} |
485
|
|
|
|
486
|
|
|
private static function _splitType(string $originalType): array |
|
|
|
|
487
|
|
|
{ |
488
|
|
|
$replacesSources = [ |
489
|
|
|
'character varying', |
490
|
|
|
// 'timestamp without time zone', |
491
|
|
|
'double precision', |
492
|
|
|
]; |
493
|
|
|
$replacesDestination = [ |
494
|
|
|
'varchar', |
495
|
|
|
// 'timestamp', |
496
|
|
|
'double', |
497
|
|
|
]; |
498
|
|
|
$modifiedType = (str_replace($replacesSources, $replacesDestination, $originalType)); |
499
|
|
|
|
500
|
|
|
if ($originalType !== $modifiedType) { |
501
|
|
|
Debug::message("XML: Uso de '{$originalType}' en lugar de '{$modifiedType}'."); |
502
|
|
|
} |
503
|
|
|
$explode = explode(' ', strtolower($modifiedType)); |
504
|
|
|
|
505
|
|
|
$pos = strpos($explode[0], '('); |
506
|
|
|
if ($pos > 0) { |
507
|
|
|
$begin = $pos + 1; |
508
|
|
|
$end = strpos($explode[0], ')'); |
509
|
|
|
$type = substr($explode[0], 0, $pos); |
510
|
|
|
$length = substr($explode[0], $begin, $end - $begin); |
511
|
|
|
} else { |
512
|
|
|
$type = $explode[0]; |
513
|
|
|
$length = null; |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
$pos = array_search('unsigned', $explode, true); |
517
|
|
|
$unsigned = $pos ? 'yes' : 'no'; |
518
|
|
|
|
519
|
|
|
$pos = array_search('zerofill', $explode, true); |
520
|
|
|
$zerofill = $pos ? 'yes' : 'no'; |
521
|
|
|
|
522
|
|
|
return ['type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'zerofill' => $zerofill]; |
523
|
|
|
} |
524
|
|
|
|
525
|
|
|
private static function getSeed($tableName): string |
526
|
|
|
{ |
527
|
|
|
$tableNameWithPrefix = DB::$dbPrefix . $tableName; |
528
|
|
|
|
529
|
|
|
$seeds = Dispatcher::getFiles('Seeds', 'csv'); |
530
|
|
|
|
531
|
|
|
if (!isset($seeds[$tableName])) { |
532
|
|
|
return ''; |
533
|
|
|
} |
534
|
|
|
|
535
|
|
|
$filename = $seeds[$tableName]; |
536
|
|
|
if (!file_exists($filename)) { |
537
|
|
|
return ''; |
538
|
|
|
} |
539
|
|
|
|
540
|
|
|
$rows = 10; // Indicamos el número de registros que vamos a insertar de una vez |
541
|
|
|
$handle = fopen($filename, "r"); |
542
|
|
|
if ($handle === false) { |
543
|
|
|
FlashMessages::setError('No ha sido posible abrir el archivo ' . $filename); |
544
|
|
|
return ''; |
545
|
|
|
} |
546
|
|
|
|
547
|
|
|
// Asumimos que la primera fila es la cabecera... |
548
|
|
|
$header = fgetcsv($handle, 0, ';'); |
549
|
|
|
if ($header === false) { |
550
|
|
|
FlashMessages::setError('No ha sido posible leer la primera línea del archivo ' . $filename); |
551
|
|
|
fclose($handle); |
552
|
|
|
return ''; |
553
|
|
|
} |
554
|
|
|
|
555
|
|
|
$sqlHeader = "INSERT INTO `{$tableNameWithPrefix}` (`" . implode('`, `', $header) . '`) VALUES '; |
556
|
|
|
$row = 0; |
557
|
|
|
$sqlData = []; |
558
|
|
|
while (($data = fgetcsv($handle, 0, ';')) !== false) { |
559
|
|
|
// Entrecomillamos lo que no sea null. |
560
|
|
|
foreach ($data as $key => $datum) { |
561
|
|
|
if (mb_strtoupper($datum) !== 'NULL') { |
562
|
|
|
$data[$key] = "'$datum'"; |
563
|
|
|
} |
564
|
|
|
} |
565
|
|
|
|
566
|
|
|
if ($row % $rows === 0) { |
567
|
|
|
if (count($sqlData) > 0) { |
568
|
|
|
$result .= ($sqlHeader . implode(', ', $sqlData) . ';' . PHP_EOL); |
|
|
|
|
569
|
|
|
} |
570
|
|
|
$sqlData = []; |
571
|
|
|
} |
572
|
|
|
$sqlData[] = '(' . implode(', ', $data) . ')'; |
573
|
|
|
$row++; |
574
|
|
|
} |
575
|
|
|
if (count($sqlData) > 0) { |
576
|
|
|
$result .= ($sqlHeader . implode(', ', $sqlData) . ';' . PHP_EOL); |
577
|
|
|
} |
578
|
|
|
fclose($handle); |
579
|
|
|
|
580
|
|
|
return $result; |
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
private static function _updateField(string $tableName, string $fieldName, array $structure): string |
|
|
|
|
584
|
|
|
{ |
585
|
|
|
dump([ |
586
|
|
|
'tablename' => $tableName, |
587
|
|
|
'fieldname' => $fieldName, |
588
|
|
|
'new structure' => self::$bbddStructure[$tableName]['fields'][$fieldName], |
589
|
|
|
'structure' => $structure, |
590
|
|
|
]); |
591
|
|
|
return ''; |
592
|
|
|
} |
593
|
|
|
|
594
|
|
|
/** |
595
|
|
|
* Create a table in the database. |
596
|
|
|
* Build the default fields, indexes and values defined in the model. |
597
|
|
|
* |
598
|
|
|
* @param string $tableName |
599
|
|
|
* |
600
|
|
|
* @return bool |
601
|
|
|
* @throws DebugBarException |
602
|
|
|
*/ |
603
|
|
|
private static function createTable(string $tableName): bool |
604
|
|
|
{ |
605
|
|
|
$tabla = self::$bbddStructure[$tableName]; |
606
|
|
|
$sql = self::createFields($tableName, $tabla['fields']['db']); |
607
|
|
|
|
608
|
|
|
foreach ($tabla['indexes'] as $name => $index) { |
609
|
|
|
$sql .= DB::createIndex($tableName, $name, $index); |
610
|
|
|
} |
611
|
|
|
|
612
|
|
|
if (isset($tabla['values'])) { |
613
|
|
|
$sql .= self::setValues($tableName, $tabla['values']); |
614
|
|
|
} else { |
615
|
|
|
$sql .= self::getSeed($tableName); |
616
|
|
|
} |
617
|
|
|
|
618
|
|
|
return Engine::exec($sql); |
619
|
|
|
} |
620
|
|
|
|
621
|
|
|
private static function updateTable(string $tableName): bool |
622
|
|
|
{ |
623
|
|
|
$yamlStructure = self::$bbddStructure[$tableName]; |
624
|
|
|
$dbStructure = DB::getColumns($tableName); |
625
|
|
|
|
626
|
|
|
$changes = []; |
627
|
|
|
foreach ($yamlStructure['fields']['db'] as $field => $newStructure) { |
628
|
|
|
$oldStructure = DB::$helper::sanitizeDbStructure($yamlStructure['fields']['schema'][$field]['generictype'], $dbStructure[$field]); |
629
|
|
|
$dif = array_diff($oldStructure, $newStructure); |
630
|
|
|
if (count($dif) > 0) { |
631
|
|
|
$changes[] = DB::modify($tableName, $oldStructure, $newStructure); |
632
|
|
|
} |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
$indexes = DB::getIndexes($tableName); |
636
|
|
|
$newStructureArray = $yamlStructure['indexes']; |
637
|
|
|
// Primero se eliminan los índices que ya no existen |
638
|
|
|
foreach ($indexes as $index => $oldStructure) { |
639
|
|
|
$newStructure = $newStructureArray[$index] ?? null; |
640
|
|
|
if (!isset($newStructure)) { |
641
|
|
|
$changes[] = DB::removeIndex($tableName, $index); |
642
|
|
|
continue; |
643
|
|
|
} |
644
|
|
|
$changes[] = DB::changeIndex($tableName, $index, $oldStructure, $newStructure); |
645
|
|
|
} |
646
|
|
|
foreach ($newStructureArray as $index => $newStructure) { |
647
|
|
|
$oldStructure = $indexes[$index] ?? null; |
648
|
|
|
if (isset($oldStructure)) { |
649
|
|
|
continue; |
650
|
|
|
} |
651
|
|
|
$changes[] = DB::createIndex($tableName, $index, $newStructure); |
652
|
|
|
} |
653
|
|
|
|
654
|
|
|
if (empty($changes)) { |
655
|
|
|
return true; |
656
|
|
|
} |
657
|
|
|
|
658
|
|
|
$result = true; |
659
|
|
|
foreach ($changes as $change) { |
660
|
|
|
if (!empty($change)) { |
661
|
|
|
dump($change); |
662
|
|
|
$result = $result && Engine::exec($change); |
663
|
|
|
} |
664
|
|
|
} |
665
|
|
|
return $result; |
666
|
|
|
} |
667
|
|
|
|
668
|
|
|
/** |
669
|
|
|
* Build the SQL statement to create the fields in the table. |
670
|
|
|
* It can also create the primary key if the auto_increment attribute is defined. |
671
|
|
|
* |
672
|
|
|
* @param string $tablename |
673
|
|
|
* @param array $fieldList |
674
|
|
|
* |
675
|
|
|
* @return string |
676
|
|
|
*/ |
677
|
|
|
protected static function _createFields(string $tablename, array $fieldList): string |
678
|
|
|
{ |
679
|
|
|
$tablenameWithPrefix = DB::$dbPrefix . $tablename; |
680
|
|
|
|
681
|
|
|
$sql = "CREATE TABLE $tablenameWithPrefix ( "; |
682
|
|
|
foreach ($fieldList as $index => $column) { |
683
|
|
|
$col = $column['schema']; |
684
|
|
|
if (!isset($col['dbtype'])) { |
685
|
|
|
die('Tipo no especificado en createTable ' . $index); |
|
|
|
|
686
|
|
|
} |
687
|
|
|
|
688
|
|
|
$sql .= '`' . $index . '` ' . $col['dbtype']; |
689
|
|
|
$nulo = isset($col['null']) && $col['null']; |
690
|
|
|
|
691
|
|
|
if (strtolower($col['type']) === 'autoincrement') { |
692
|
|
|
$nulo = false; |
693
|
|
|
$sql .= ' PRIMARY KEY AUTO_INCREMENT'; |
694
|
|
|
} |
695
|
|
|
|
696
|
|
|
$sql .= ($nulo ? '' : ' NOT') . ' NULL'; |
697
|
|
|
|
698
|
|
|
$tmpDefecto = $col['default'] ?? null; |
699
|
|
|
$defecto = ''; |
700
|
|
|
if (isset($tmpDefecto)) { |
701
|
|
|
if ($tmpDefecto == 'CURRENT_TIMESTAMP') { |
702
|
|
|
$defecto = "$tmpDefecto"; |
703
|
|
|
} else { |
704
|
|
|
$defecto = "'$tmpDefecto'"; |
705
|
|
|
} |
706
|
|
|
} else { |
707
|
|
|
if ($nulo) { |
708
|
|
|
$defecto = 'NULL'; |
709
|
|
|
} |
710
|
|
|
} |
711
|
|
|
|
712
|
|
|
if ($defecto != '') { |
713
|
|
|
$sql .= ' DEFAULT ' . $defecto; |
714
|
|
|
} |
715
|
|
|
|
716
|
|
|
$sql .= ', '; |
717
|
|
|
} |
718
|
|
|
$sql = substr($sql, 0, -2); // Quitamos la coma y el espacio del final |
719
|
|
|
$sql .= ') ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;' . self::CRLF; |
720
|
|
|
|
721
|
|
|
return $sql; |
722
|
|
|
} |
723
|
|
|
|
724
|
|
|
protected static function createFields(string $tablename, array $fieldList): string |
725
|
|
|
{ |
726
|
|
|
$tablenameWithPrefix = DB::$dbPrefix . $tablename; |
727
|
|
|
|
728
|
|
|
$sql = "CREATE TABLE $tablenameWithPrefix ( "; |
729
|
|
|
foreach ($fieldList as $column) { |
730
|
|
|
$sql .= DB::$helper::getSqlField($column) . ', '; |
731
|
|
|
} |
732
|
|
|
$sql = substr($sql, 0, -2); // Quitamos la coma y el espacio del final |
733
|
|
|
$sql .= ') ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;' . self::CRLF; |
734
|
|
|
|
735
|
|
|
return $sql; |
736
|
|
|
} |
737
|
|
|
|
738
|
|
|
/** |
739
|
|
|
* Create the SQL statements for the construction of one index. |
740
|
|
|
* In the case of the primary index, it is not necessary if it is auto_increment. |
741
|
|
|
* |
742
|
|
|
* TODO: Éste método tiene que refactorizarse y eliminar dependencias del motor. |
743
|
|
|
* |
744
|
|
|
* Moreover, it should not be defined if it is auto_increment because it would |
745
|
|
|
* generate an error when it already exists. |
746
|
|
|
* |
747
|
|
|
* @param string $tableName |
748
|
|
|
* @param string $indexname |
749
|
|
|
* @param array $indexData |
750
|
|
|
* |
751
|
|
|
* @return string |
752
|
|
|
*/ |
753
|
|
|
protected static function createIndex($tableName, $indexname, $indexData) |
754
|
|
|
{ |
755
|
|
|
// La clave primaria se construye con los campos para mysql |
756
|
|
|
if (isset($indexData['primary'])) { |
757
|
|
|
return ''; |
758
|
|
|
} |
759
|
|
|
|
760
|
|
|
$tableNameWithPrefix = DB::$dbPrefix . $tableName; |
761
|
|
|
|
762
|
|
|
$sql = "ALTER TABLE $tableNameWithPrefix ADD CONSTRAINT $indexname "; |
763
|
|
|
|
764
|
|
|
$command = ''; |
765
|
|
|
// https://www.w3schools.com/sql/sql_primarykey.asp |
766
|
|
|
// ALTER TABLE Persons ADD CONSTRAINT PK_Person PRIMARY KEY (ID,LastName); |
767
|
|
|
if (isset($indexData['primary'])) { |
768
|
|
|
$command = 'PRIMARY KEY '; |
769
|
|
|
$fields = $indexData['primary']; |
770
|
|
|
} |
771
|
|
|
|
772
|
|
|
// https://www.w3schools.com/sql/sql_create_index.asp |
773
|
|
|
// CREATE INDEX idx_pname ON Persons (LastName, FirstName); |
774
|
|
|
if (isset($indexData['index'])) { |
775
|
|
|
$command = 'INDEX '; |
776
|
|
|
$fields = $indexData['index']; |
777
|
|
|
} |
778
|
|
|
|
779
|
|
|
// https://www.w3schools.com/sql/sql_unique.asp |
780
|
|
|
// ALTER TABLE Persons ADD CONSTRAINT UC_Person UNIQUE (ID,LastName); |
781
|
|
|
if (isset($indexData['unique'])) { |
782
|
|
|
$command = 'UNIQUE INDEX '; |
783
|
|
|
$fields = $indexData['column']; |
784
|
|
|
} |
785
|
|
|
|
786
|
|
|
if ($command == '') { |
787
|
|
|
// https://www.w3schools.com/sql/sql_foreignkey.asp |
788
|
|
|
// ALTER TABLE Orders ADD CONSTRAINT FK_PersonOrder FOREIGN KEY (PersonID) REFERENCES Persons(PersonID); |
789
|
|
|
if (isset($indexData['FOREIGN'])) { |
790
|
|
|
$command = 'FOREIGN KEY '; |
791
|
|
|
$foreignField = $indexData['FOREIGN']; |
792
|
|
|
if (isset($indexData['REFERENCES'])) { |
793
|
|
|
$references = $indexData['REFERENCES']; |
794
|
|
|
if (!is_array($references)) { |
795
|
|
|
die('Esperaba un array en REFERENCES: ' . $tableNameWithPrefix . '/' . $indexname); |
|
|
|
|
796
|
|
|
} |
797
|
|
|
if (count($references) != 1) { |
798
|
|
|
die('Esperaba un array de 1 elemento en REFERENCES: ' . $tableNameWithPrefix . '/' . $indexname); |
|
|
|
|
799
|
|
|
} |
800
|
|
|
$refTable = key($references); |
801
|
|
|
$fields = '(' . implode(',', $references) . ')'; |
802
|
|
|
} else { |
803
|
|
|
die('FOREIGN necesita REFERENCES en ' . $tableNameWithPrefix . '/' . $indexname); |
|
|
|
|
804
|
|
|
} |
805
|
|
|
|
806
|
|
|
$sql .= $command . ' ' . $foreignField . ' REFERENCES ' . $refTable . $fields; |
807
|
|
|
|
808
|
|
|
if (isset($indexData['ON']) && is_array($indexData['ON'])) { |
809
|
|
|
foreach ($indexData['ON'] as $key => $value) { |
810
|
|
|
$sql .= ' ON ' . $key . ' ' . $value . ', '; |
811
|
|
|
} |
812
|
|
|
$sql = substr($sql, 0, -2); // Quitamos el ', ' de detrás |
813
|
|
|
} |
814
|
|
|
} |
815
|
|
|
} else { |
816
|
|
|
if (is_array($fields)) { |
|
|
|
|
817
|
|
|
$fields = '(' . implode(',', $fields) . ')'; |
818
|
|
|
} else { |
819
|
|
|
$fields = "($fields)"; |
820
|
|
|
} |
821
|
|
|
|
822
|
|
|
if ($command == 'INDEX ') { |
823
|
|
|
$sql = "CREATE INDEX {$indexname} ON {$tableNameWithPrefix}" . $fields; |
824
|
|
|
} else { |
825
|
|
|
$sql .= $command . ' ' . $fields; |
826
|
|
|
} |
827
|
|
|
} |
828
|
|
|
|
829
|
|
|
return $sql . ';' . self::CRLF; |
830
|
|
|
} |
831
|
|
|
|
832
|
|
|
/** |
833
|
|
|
* Create the SQL statements to fill the table with default data. |
834
|
|
|
* |
835
|
|
|
* @param string $tableName |
836
|
|
|
* @param array $values |
837
|
|
|
* |
838
|
|
|
* @return string |
839
|
|
|
*/ |
840
|
|
|
protected static function setValues(string $tableName, array $values): string |
841
|
|
|
{ |
842
|
|
|
$tablenameWithPrefix = DB::$dbPrefix . $tableName; |
843
|
|
|
|
844
|
|
|
$sql = "INSERT INTO $tablenameWithPrefix "; |
845
|
|
|
$header = true; |
846
|
|
|
foreach ($values as $value) { |
847
|
|
|
$fields = "("; |
848
|
|
|
$datos = "("; |
849
|
|
|
foreach ($value as $fname => $fvalue) { |
850
|
|
|
$fields .= $fname . ", "; |
851
|
|
|
$datos .= "'$fvalue'" . ", "; |
852
|
|
|
} |
853
|
|
|
$fields = substr($fields, 0, -2) . ") "; |
854
|
|
|
$datos = substr($datos, 0, -2) . "), "; |
855
|
|
|
|
856
|
|
|
if ($header) { |
857
|
|
|
$sql .= $fields . " VALUES "; |
858
|
|
|
$header = false; |
859
|
|
|
} |
860
|
|
|
|
861
|
|
|
$sql .= $datos; |
862
|
|
|
} |
863
|
|
|
|
864
|
|
|
return substr($sql, 0, -2) . self::CRLF; |
865
|
|
|
} |
866
|
|
|
|
867
|
|
|
/** |
868
|
|
|
* Return true if $tableName exists in database |
869
|
|
|
* |
870
|
|
|
* @param string $tableName |
871
|
|
|
* |
872
|
|
|
* @return bool |
873
|
|
|
* @throws DebugBarException |
874
|
|
|
*/ |
875
|
|
|
public static function _tableExists($tableName): bool |
876
|
|
|
{ |
877
|
|
|
$tableNameWithPrefix = DB::$dbPrefix . $tableName; |
878
|
|
|
$dbName = DB::$dbName; |
879
|
|
|
$sql = "SELECT COUNT(*) AS Total FROM information_schema.tables WHERE table_schema = '{$dbName}' AND table_name='{$tableNameWithPrefix}'"; |
880
|
|
|
|
881
|
|
|
$data = Engine::select($sql); |
882
|
|
|
$result = reset($data); |
883
|
|
|
|
884
|
|
|
return $result['Total'] === '1'; |
885
|
|
|
} |
886
|
|
|
|
887
|
|
|
private static function _getFieldsAndIndexes($tableName, $path): array |
|
|
|
|
888
|
|
|
{ |
889
|
|
|
$data = Yaml::parseFile($path); |
890
|
|
|
|
891
|
|
|
$result = []; |
892
|
|
|
foreach ($data['fields'] ?? [] as $key => $datum) { |
893
|
|
|
$datum['key'] = $key; |
894
|
|
|
$result['fields'][$key]['db'] = DB::normalizeFromYaml($datum); |
|
|
|
|
895
|
|
|
$result['fields'][$key]['info'] = Schema::normalize($datum); |
|
|
|
|
896
|
|
|
if ($result['fields'][$key]['type'] === 'autoincrement') { |
897
|
|
|
// TODO: Ver cómo tendría que ser la primary key |
898
|
|
|
$result['indexes']['primary'] = $key; |
899
|
|
|
} |
900
|
|
|
} |
901
|
|
|
foreach ($data['indexes'] ?? [] as $key => $datum) { |
902
|
|
|
$datum['key'] = $key; |
903
|
|
|
$result['indexes'][$key] = $datum; |
904
|
|
|
} |
905
|
|
|
|
906
|
|
|
/* |
907
|
|
|
Igual conviene crear una clase: |
908
|
|
|
- DBSchema (con los datos de la base de datos real) |
909
|
|
|
- DefinedSchema (con los datos definidos) |
910
|
|
|
y que Schema cree o adapte según los datos de ambas. Que cada una lleve lo suyo |
911
|
|
|
|
912
|
|
|
Que el resultado se guarde en el yaml y que se encargue de realizar las conversines |
913
|
|
|
oportunas siempre que no suponga una pérdida de datos. |
914
|
|
|
*/ |
915
|
|
|
|
916
|
|
|
return $result; |
917
|
|
|
} |
918
|
|
|
|
919
|
|
|
private static function _getFields($tableName): array |
|
|
|
|
920
|
|
|
{ |
921
|
|
|
$yamlSourceFilename = self::$tables[$tableName]; |
|
|
|
|
922
|
|
|
if (!file_exists($yamlSourceFilename)) { |
923
|
|
|
dump('No existe el archivo ' . $yamlSourceFilename); |
924
|
|
|
} |
925
|
|
|
|
926
|
|
|
$data = Yaml::parseFile($yamlSourceFilename); |
927
|
|
|
|
928
|
|
|
$result = []; |
929
|
|
|
foreach ($data as $key => $datum) { |
930
|
|
|
$datum['key'] = $key; |
931
|
|
|
$result[$key] = Schema::normalize($datum); |
932
|
|
|
} |
933
|
|
|
|
934
|
|
|
/* |
935
|
|
|
Igual conviene crear una clase: |
936
|
|
|
- DBSchema (con los datos de la base de datos real) |
937
|
|
|
- DefinedSchema (con los datos definidos) |
938
|
|
|
y que Schema cree o adapte según los datos de ambas. Que cada una lleve lo suyo |
939
|
|
|
|
940
|
|
|
Que el resultado se guarde en el yaml y que se encargue de realizar las conversines |
941
|
|
|
oportunas siempre que no suponga una pérdida de datos. |
942
|
|
|
*/ |
943
|
|
|
|
944
|
|
|
return $result; |
945
|
|
|
} |
946
|
|
|
|
947
|
|
|
private static function _getIndexes($tableName): array |
|
|
|
|
948
|
|
|
{ |
949
|
|
|
$result = []; |
950
|
|
|
return $result; |
951
|
|
|
} |
952
|
|
|
|
953
|
|
|
private static function _getRelated($tableName): array |
|
|
|
|
954
|
|
|
{ |
955
|
|
|
$result = []; |
956
|
|
|
return $result; |
957
|
|
|
} |
958
|
|
|
} |
959
|
|
|
|
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.