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<?php declare(strict_types = 1); |
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namespace Suilven\Sluggable\Extension; |
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use SilverStripe\ORM\DataExtension; |
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use Suilven\Sluggable\Helper\SluggableHelper; |
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// @phpcs:disable SlevomatCodingStandard.Commenting.DisallowCommentAfterCode.DisallowedCommentAfterCode |
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class Sluggable extends DataExtension |
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{ |
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/** @var array<string,string> $db Slug is where the slug is stored */ |
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private static $db = [ |
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'Slug' => 'Varchar(255)', |
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]; |
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/** @var array<string, array<string, array<int, string>|string>> */ |
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private static $indexes = [ |
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'SlugIndex' => [ |
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'type' => 'unique', |
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'columns' => ['Slug'], |
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], |
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]; |
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/** |
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* Convert the configured field and it's associated value into a slug |
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* e.g. Liverpool Football Club => liverpool-football-club |
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*/ |
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public function onBeforeWrite(): void |
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{ |
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parent::onBeforeWrite(); |
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/** @var \SilverStripe\Core\Config\Config_ForClass $config */ |
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$config = $this->getOwner()->config(); |
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/** @var string $fieldName */ |
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$fieldName = $config->get('slug'); |
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/** @var string $fieldValue */ |
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$fieldValue = $this->getOwner()->$fieldName; // @phpstan-ignore-line |
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$helper = new SluggableHelper(); |
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/** @var string $slug */ |
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$slug = $helper->getSlug($fieldValue); |
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$count = $this->getOwner()->get()->filter([$fieldName => $fieldValue])->count(); |
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if ($count >= 1) { |
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$i = 0; |
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// @todo make this configurable |
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while ($i < 1000) { |
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$suffix = $i === 0 |
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? '' |
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: '-' . $i; |
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$slugToSave = $slug . $suffix; |
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$existing = $this->getOwner()->get()->filter(['Slug' => $slugToSave])->first(); |
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if (!isset($existing)) { |
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$this->getOwner()->Slug = $slugToSave; |
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break; |
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} |
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$i++; |
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} |
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} else { |
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$this->getOwner()->Slug = $slug; |
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} |
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} |
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} |
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gordonbanderson /
silverstripe-sluggable
