103 lines
3.2 KiB
PHP
103 lines
3.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace OCA\News\Migration;
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use Closure;
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use OCP\DB\ISchemaWrapper;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\SimpleMigrationStep;
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/**
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* Auto-generated migration step: Please modify to your needs!
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*/
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class Version150005Date20201009192341 extends SimpleMigrationStep {
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protected $connection;
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public function __construct(IDBConnection $connection)
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{
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$this->connection = $connection;
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}
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/**
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* @param IOutput $output
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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*
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* @return void
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*/
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public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
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$qb = $this->connection->getQueryBuilder();
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$qb->update('news_feeds')
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->set('folder_id', $qb->createPositionalParameter(null, IQueryBuilder::PARAM_NULL))
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->where('folder_id = 0')
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->executeStatement();
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$feed_name = $this->connection->getQueryBuilder()->getTableName('news_feeds');
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$folder_name = $this->connection->getQueryBuilder()->getTableName('news_folders');
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$items_query = "DELETE FROM {$feed_name} WHERE {$feed_name}.`folder_id` NOT IN (SELECT DISTINCT id FROM {$folder_name}) AND {$feed_name}.`folder_id` IS NOT NULL";
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$this->connection->executeQuery($items_query);
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$item_name = $this->connection->getQueryBuilder()->getTableName('news_items');
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$feed_name = $this->connection->getQueryBuilder()->getTableName('news_feeds');
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$items_query = "DELETE FROM {$item_name} WHERE {$item_name}.`feed_id` NOT IN (SELECT DISTINCT id FROM {$feed_name})";
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$this->connection->executeQuery($items_query);
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}
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/**
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* @param IOutput $output
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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* @return null|ISchemaWrapper
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*/
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public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
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/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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if ($schema->hasTable('news_items') &&
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!$schema->getTable('news_items')->hasForeignKey('feed')) {
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$schema->getTable('news_items')
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->addForeignKeyConstraint(
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$schema->getTable('news_feeds')->getName(),
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['feed_id'],
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['id'],
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['onDelete' => 'CASCADE'],
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'feed'
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);
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}
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if ($schema->hasTable('news_feeds') &&
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!$schema->getTable('news_feeds')->hasForeignKey('folder')) {
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$schema->getTable('news_feeds')
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->addForeignKeyConstraint(
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$schema->getTable('news_folders')->getName(),
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['folder_id'],
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['id'],
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['onDelete' => 'CASCADE'],
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'folder'
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);
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}
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return $schema;
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}
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/**
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* @param IOutput $output
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* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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*
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* @return void
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*/
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public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
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}
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}
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