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<?php |
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/** |
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* Platine ETL |
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* |
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* Platine ETL is a library to Extract-Transform-Load Data from various sources |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine ETL |
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* Copyright (c) 2019 Benoit POLASZEK |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Etl\Loader; |
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use Generator; |
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use Platine\Etl\Etl; |
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use SplFileObject; |
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/** |
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* @class CsvFileLoader |
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* @package Platine\Etl\Loader |
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*/ |
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class CsvFileLoader implements LoaderInterface |
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{ |
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/** |
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* The file to be used |
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* @var SplFileObject |
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*/ |
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protected SplFileObject $file; |
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/** |
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* The CSV delimiter |
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* @var string |
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*/ |
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protected string $delimiter = ','; |
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/** |
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* The CSV enclosure |
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* @var string |
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*/ |
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protected string $enclosure = '"'; |
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/** |
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* The CSV escape string |
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* @var string |
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*/ |
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protected string $escapeString = '\\'; |
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/** |
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* The CSV keys (fields) |
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* @var string[] |
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*/ |
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protected array $keys = []; |
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/** |
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* Create new instance |
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* @param SplFileObject|string $file |
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* @param array<string> $keys |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $escapeString |
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*/ |
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public function __construct( |
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$file, |
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array $keys = [], |
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string $delimiter = ',', |
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string $enclosure = '"', |
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string $escapeString = '\\' |
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) { |
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if (is_string($file)) { |
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$file = new SplFileObject($file, 'w'); |
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} |
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$this->file = $file; |
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$this->delimiter = $delimiter; |
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$this->enclosure = $enclosure; |
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$this->escapeString = $escapeString; |
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$this->keys = $keys; |
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} |
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/** |
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* {@inheritodc} |
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*/ |
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public function init(array $options = []): void |
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{ |
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if (isset($options['delimiter'])) { |
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$this->delimiter = $options['delimiter']; |
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} |
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if (isset($options['enclosure'])) { |
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$this->enclosure = $options['enclosure']; |
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} |
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if (isset($options['escape_string'])) { |
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$this->escapeString = $options['escape_string']; |
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} |
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if (isset($options['keys']) && is_array($options['keys'])) { |
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$this->keys = $options['keys']; |
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} |
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if (count($this->keys) > 0) { |
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$this->file->fputcsv( |
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$this->keys, |
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$this->delimiter, |
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$this->enclosure, |
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$this->escapeString |
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); |
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} |
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} |
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/** |
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* {@inheritodc} |
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*/ |
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public function load(Generator $items, $key, Etl $etl): void |
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{ |
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foreach ($items as $value) { |
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$this->file->fputcsv( |
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$value, |
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$this->delimiter, |
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$this->enclosure, |
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$this->escapeString |
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); |
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} |
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} |
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/** |
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* {@inheritodc} |
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*/ |
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public function commit(bool $partial): void |
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{ |
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} |
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/** |
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* {@inheritodc} |
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*/ |
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public function rollback(): void |
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{ |
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} |
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} |
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platine-php /
etl
