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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Spiral\Command\Cycle\Generator; |
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use Cycle\Schema\GeneratorInterface; |
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use Cycle\Schema\Registry; |
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use Spiral\Database\Schema\AbstractTable; |
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use Spiral\Database\Schema\Comparator; |
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use Symfony\Component\Console\Output\OutputInterface; |
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final class ShowChanges implements GeneratorInterface |
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{ |
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/** @var OutputInterface */ |
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private $output; |
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/** @var array */ |
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private $changes = []; |
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/** |
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* @param OutputInterface $output |
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*/ |
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public function __construct(OutputInterface $output) |
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{ |
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$this->output = $output; |
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} |
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/** |
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* @param Registry $registry |
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* @return Registry |
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*/ |
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public function run(Registry $registry): Registry |
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{ |
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$this->output->writeln("<info>Detecting schema changes:</info>"); |
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$this->changes = []; |
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foreach ($registry->getIterator() as $e) { |
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if ($registry->hasTable($e)) { |
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$table = $registry->getTableSchema($e); |
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if ($table->getComparator()->hasChanges()) { |
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$this->changes[] = [ |
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'database' => $registry->getDatabase($e), |
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'table' => $registry->getTable($e), |
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'schema' => $table, |
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]; |
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} |
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} |
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} |
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if ($this->changes === []) { |
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$this->output->writeln("<fg=yellow>no database changes has been detected</fg=yellow>"); |
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return $registry; |
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} |
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foreach ($this->changes as $change) { |
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$this->output->write(sprintf("• <fg=cyan>%s.%s</fg=cyan>", $change['database'], $change['table'])); |
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$this->describeChanges($change['schema']); |
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} |
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return $registry; |
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} |
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/** |
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* @param AbstractTable $table |
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*/ |
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protected function describeChanges(AbstractTable $table) |
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{ |
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if (!$this->output->isVerbose()) { |
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$this->output->writeln(sprintf( |
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": <fg=green>%s</fg=green> change(s) detected", |
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$this->numChanges($table) |
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)); |
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return; |
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} else { |
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$this->output->write("\n"); |
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} |
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if (!$table->exists()) { |
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$this->output->writeln(" - create table"); |
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} |
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if ($table->getStatus() === AbstractTable::STATUS_DECLARED_DROPPED) { |
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$this->output->writeln(" - drop table"); |
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return; |
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} |
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$cmp = $table->getComparator(); |
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$this->describeColumns($cmp); |
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$this->describeIndexes($cmp); |
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$this->describeFKs($cmp); |
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} |
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/** |
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* @param Comparator $cmp |
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*/ |
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protected function describeColumns(Comparator $cmp) |
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{ |
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foreach ($cmp->addedColumns() as $column) { |
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$this->output->writeln(" - add column <fg=yellow>{$column->getName()}</fg=yellow>"); |
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} |
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foreach ($cmp->droppedColumns() as $column) { |
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$this->output->writeln(" - drop column <fg=yellow>{$column->getName()}</fg=yellow>"); |
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} |
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foreach ($cmp->alteredColumns() as $column) { |
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$column = $column[0]; |
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$this->output->writeln(" - alter column <fg=yellow>{$column->getName()}</fg=yellow>"); |
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} |
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} |
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/** |
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* @param Comparator $cmp |
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*/ |
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protected function describeIndexes(Comparator $cmp) |
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{ |
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foreach ($cmp->addedIndexes() as $index) { |
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$index = join(', ', $index->getColumns()); |
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$this->output->writeln(" - add index on <fg=yellow>[{$index}]</fg=yellow>"); |
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} |
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foreach ($cmp->droppedIndexes() as $index) { |
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$this->output->writeln(" - drop index on <fg=yellow>[{$index}]</fg=yellow>"); |
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} |
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foreach ($cmp->alteredIndexes() as $index) { |
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$index = $index[0]; |
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$this->output->writeln(" - alter index on <fg=yellow>[{$index}]</fg=yellow>"); |
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} |
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} |
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/** |
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* @param Comparator $cmp |
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*/ |
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protected function describeFKs(Comparator $cmp) |
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{ |
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foreach ($cmp->addedForeignKeys() as $fk) { |
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$this->output->writeln(" - add foreign key on <fg=yellow>{$fk->getColumn()}</fg=yellow>"); |
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} |
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foreach ($cmp->droppedForeignKeys() as $fk) { |
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$this->output->writeln(" - drop foreign key <fg=yellow>{$fk->getColumn()}</fg=yellow>"); |
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} |
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foreach ($cmp->alteredForeignKeys() as $fk) { |
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$fk = $fk[0]; |
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$this->output->writeln(" - alter foreign key <fg=yellow>{$fk->getColumn()}</fg=yellow>"); |
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} |
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} |
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/** |
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* @param AbstractTable $table |
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* @return int |
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*/ |
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protected function numChanges(AbstractTable $table): int |
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{ |
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$cmp = $table->getComparator(); |
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return count($cmp->addedColumns()) |
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+ count($cmp->droppedColumns()) |
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+ count($cmp->alteredColumns()) |
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+ count($cmp->addedIndexes()) |
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+ count($cmp->droppedIndexes()) |
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+ count($cmp->alteredIndexes()) |
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+ count($cmp->addedForeignKeys()) |
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+ count($cmp->droppedForeignKeys()) |
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+ count($cmp->alteredForeignKeys()); |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasChanges(): bool |
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{ |
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return $this->changes !== []; |
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} |
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} |
spiral /
framework
