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<?php |
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namespace SilverStripe\Comments\Tasks; |
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use SilverStripe\Comments\Model\Comment; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\Dev\BuildTask; |
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use SilverStripe\ORM\DB; |
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/** |
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* Migrates all 3.x comment's BaseClass fields to the new ParentClass fields |
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* |
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* @package comments |
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*/ |
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class MigrateCommentParentsTask extends BuildTask |
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{ |
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private static $segment = 'MigrateCommentParentsTask'; |
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protected $title = 'Migrate Comment Parent classes from 3.x'; |
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protected $description = 'Migrates all 3.x Comment BaseClass fields to the new ParentClass fields in 4.0'; |
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/** |
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* @param HTTPRequest $request |
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*/ |
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public function run($request) |
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{ |
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// Check if anything needs to be done |
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$tableName = Comment::getSchema()->tableName(Comment::class); |
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if (!DB::get_schema()->hasField($tableName, 'BaseClass')) { |
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DB::alteration_message('"BaseClass" does not exist on "' . $tableName . '", nothing to upgrade.', 'notice'); |
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return; |
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} |
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// Set the class names to fully qualified class names first |
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$remapping = Config::inst()->get('SilverStripe\\ORM\\DatabaseAdmin', 'classname_value_remapping'); |
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$updateQuery = "UPDATE \"Comment\" SET \"BaseClass\" = ? WHERE \"BaseClass\" = ?"; |
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foreach ($remapping as $old => $new) { |
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DB::prepared_query($updateQuery, [$new, $old]); |
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} |
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// Move these values to ParentClass (the 4.x column name) |
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DB::query('UPDATE "Comment" SET "ParentClass" = "BaseClass"'); |
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DB::alteration_message('Finished updating any applicable Comment class columns', 'notice'); |
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} |
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} |
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