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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Generator; |
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use Cycle\Database\Schema\ComparatorInterface; |
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use Cycle\Schema\GeneratorInterface; |
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use Cycle\Schema\Registry; |
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use Cycle\Database\Schema\AbstractTable; |
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use Symfony\Component\Console\Output\OutputInterface; |
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final class PrintChanges implements GeneratorInterface |
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{ |
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private array $changes = []; |
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public function __construct( |
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private OutputInterface $output, |
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) { |
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} |
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public function run(Registry $registry): Registry |
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{ |
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$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 ($this->hasTableChanges($table)) { |
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$key = $registry->getDatabase($e) . ':' . $registry->getTable($e); |
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$this->changes[$key] = [ |
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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->hasChanges()) { |
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$this->output->writeln('<fg=yellow>No database changes has been detected</fg=yellow>'); |
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return $registry; |
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} |
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$this->output->writeln('<info>Schema changes:</info>'); |
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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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public function hasChanges(): bool |
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{ |
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return $this->changes !== []; |
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} |
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private function describeChanges(AbstractTable $table): void |
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{ |
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if ($table->getStatus() === AbstractTable::STATUS_DECLARED_DROPPED) { |
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$this->output->writeln(' - drop table'); |
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return; |
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} |
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if (!$this->output->isVerbose()) { |
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$this->output->writeln( |
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\sprintf( |
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': <fg=green>%s</fg=green> change(s) detected', |
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$this->numChanges($table), |
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), |
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); |
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return; |
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} |
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$this->output->write("\n"); |
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if (!$table->exists()) { |
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$this->output->writeln(' - create table'); |
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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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private function describeColumns(ComparatorInterface $cmp): void |
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{ |
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foreach ($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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private function describeIndexes(ComparatorInterface $cmp): void |
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{ |
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foreach ($cmp->addedIndexes() as $index) { |
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$index = \implode(', ', $index->getColumns()); |
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$this->output->writeln(" - add index on <fg=yellow>[{$index}]</fg=yellow>"); |
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} |
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foreach ($cmp->droppedIndexes() as $index) { |
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$index = \implode(', ', $index->getColumns()); |
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$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 = $index[0]; |
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$index = \implode(', ', $index->getColumns()); |
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$this->output->writeln(" - alter index on <fg=yellow>[{$index}]</fg=yellow>"); |
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} |
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} |
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private function describeFKs(ComparatorInterface $cmp): void |
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{ |
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foreach ($cmp->addedForeignKeys() as $fk) { |
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$fkColumns = \implode(', ', $fk->getColumns()); |
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$this->output->writeln(" - add foreign key on <fg=yellow>[{$fkColumns}]</fg=yellow>"); |
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} |
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foreach ($cmp->droppedForeignKeys() as $fk) { |
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$fkColumns = \implode(', ', $fk->getColumns()); |
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$this->output->writeln(" - drop foreign key on <fg=yellow>[{$fkColumns}]</fg=yellow>"); |
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} |
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foreach ($cmp->alteredForeignKeys() as $fk) { |
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$fk = $fk[0]; |
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$fkColumns = \implode(', ', $fk->getColumns()); |
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$this->output->writeln(" - alter foreign key on <fg=yellow>[{$fkColumns}]</fg=yellow>"); |
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} |
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} |
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private 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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private function hasTableChanges(AbstractTable $table): bool |
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{ |
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return $table->getComparator()->hasChanges() |
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|| !$table->exists() |
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|| $table->getStatus() === AbstractTable::STATUS_DECLARED_DROPPED; |
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} |
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} |
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cycle /
schema-builder
