Passed
Push — master ( 86c65e...d5128a )
by Harry
02:41
created

TablePopulator::populateTables()   A

Complexity

Conditions 6
Paths 5

Size

Total Lines 39
Code Lines 19

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 23
CRAP Score 6

Importance

Changes 0
Metric Value
cc 6
eloc 19
nc 5
nop 1
dl 0
loc 39
ccs 23
cts 23
cp 1
crap 6
rs 9.0111
c 0
b 0
f 0
1
<?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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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 (array $file) {
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                    // ignore empty file names (`.bla`) files
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                    return (pathinfo($file['path'], PATHINFO_FILENAME) !== '');
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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 (array $a, array $b) {
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                    return ($a['size'] == $b['size']) ? 0 : (($a['size'] > $b['size']) ? -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 (array $file) {
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                    return pathinfo($file['path'], PATHINFO_FILENAME);
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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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