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<?php |
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/** |
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* This file is part of graze/sprout. |
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* |
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* Copyright (c) 2017 Nature Delivered Ltd. <https://www.graze.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license https://github.com/graze/sprout/blob/master/LICENSE.md |
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* @link https://github.com/graze/sprout |
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*/ |
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namespace Graze\Sprout\Parser; |
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use League\Flysystem\AdapterInterface; |
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use SplFileInfo; |
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class TablePopulator |
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{ |
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/** @var AdapterInterface */ |
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private $filesystem; |
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/** |
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* SchemaParser constructor. |
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* |
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* @param AdapterInterface $filesystem |
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*/ |
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public function __construct(AdapterInterface $filesystem) |
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{ |
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$this->filesystem = $filesystem; |
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} |
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/** |
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* @param ParsedSchema $parsedSchema |
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* |
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* @return ParsedSchema|null |
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*/ |
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public function populateTables(ParsedSchema $parsedSchema) |
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{ |
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if (count($parsedSchema->getTables()) === 0) { |
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if ($this->filesystem->has($parsedSchema->getPath()) === false) { |
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return null; |
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} |
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// find existing tables |
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$files = $this->filesystem->listContents($parsedSchema->getPath()); |
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$files = array_values(array_filter( |
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$files, |
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function (SplFileInfo $file) { |
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// ignore empty file names (`.bla`) files |
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return ($file->getBasename('.' . $file->getExtension()) !== ''); |
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} |
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)); |
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// sort by file size, largest first |
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usort( |
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$files, |
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function (SplFileInfo $a, SplFileInfo $b) { |
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$left = $a->getSize(); |
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$right = $b->getSize(); |
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return ($left == $right) ? 0 : (($left > $right) ? -1 : 1); |
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} |
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); |
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// remove the file extensions to get the table names |
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$parsedSchema->setTables(array_map( |
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function (SplFileInfo $file) { |
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return $file->getBasename('.' . $file->getExtension()); |
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}, |
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$files |
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)); |
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} |
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if (count($parsedSchema->getTables()) === 0) { |
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return null; |
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} |
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return $parsedSchema; |
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} |
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} |
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graze /
sprout
