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<?php |
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namespace CodexShaper\DBM\Database\Schema; |
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use Doctrine\DBAL\Schema\Comparator; |
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use Doctrine\DBAL\Schema\SchemaException; |
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use Doctrine\DBAL\Schema\Table as DoctrineTable; |
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use Doctrine\DBAL\Schema\TableDiff; |
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class UpdateManager |
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{ |
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protected $data; |
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protected $newTable; |
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protected $originalTable; |
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/** |
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* Update table. |
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* |
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* @param array $table |
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* |
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* @return void |
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*/ |
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public function update($table) |
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{ |
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if (! is_array($table)) { |
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$table = json_decode($table, true); |
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} |
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$tableName = $table['oldName']; |
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if (! SchemaManager::getInstance()->tablesExist($tableName)) { |
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throw SchemaException::tableDoesNotExist($table['oldName']); |
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} |
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$this->newTable = Table::prepareTable($table); |
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$this->data = $table; |
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$this->originalTable = static::listTableDetails($table['oldName']); |
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$this->updateTable(); |
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} |
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/** |
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* Get all table details. |
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* |
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* @param string $tableName |
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* |
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* @return \CodexShaper\DBM\Database\Schema\Table |
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*/ |
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public static function listTableDetails($tableName) |
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{ |
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$columns = SchemaManager::getInstance()->listTableColumns($tableName); |
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$foreignKeys = []; |
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if (SchemaManager::getInstance()->getDatabasePlatform()->supportsForeignKeyConstraints()) { |
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$foreignKeys = SchemaManager::getInstance()->listTableForeignKeys($tableName); |
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} |
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$indexes = SchemaManager::getInstance()->listTableIndexes($tableName); |
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return new DoctrineTable($tableName, $columns, $indexes, $foreignKeys, false, []); |
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} |
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/** |
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* Update table. |
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* |
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* @return void |
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*/ |
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public function updateTable() |
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{ |
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$newTableName = ''; |
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if ($this->newTable->getName() != $this->originalTable->getName()) { |
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$newTableName = $this->newTable->getName(); |
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// Make sure the new name doesn't already exist |
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if (SchemaManager::getInstance()->tablesExist($newTableName)) { |
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throw SchemaException::tableAlreadyExists($newTableName); |
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} |
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} |
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// Rename columns |
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$this->renameColumns(); |
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$tableDiff = (new Comparator())->diffTable($this->originalTable, $this->newTable); |
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// Add new table name to tableDiff |
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if ($newTableName) { |
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if (! $tableDiff) { |
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$tableDiff = new TableDiff($this->data['oldName']); |
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$tableDiff->fromTable = $this->originalTable; |
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} |
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$tableDiff->newName = $newTableName; |
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} |
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// Update the table |
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if ($tableDiff) { |
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SchemaManager::getInstance()->alterTable($tableDiff); |
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} |
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} |
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/** |
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* Rename columns. |
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* |
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* @return void |
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*/ |
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protected function renameColumns() |
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{ |
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$renamedColumnsDiff = new TableDiff($this->data['oldName']); |
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$renamedColumnsDiff->fromTable = $this->originalTable; |
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$countRenamedColumns = 0; |
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foreach ($this->data['columns'] as $column) { |
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$oldName = $column['oldName']; |
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if ($this->originalTable->hasColumn($oldName)) { |
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$newName = $column['name']; |
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if ($newName != $oldName) { |
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// Count total Renamed Columns |
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$countRenamedColumns++; |
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$renamedColumnsDiff->renamedColumns[$oldName] = $this->newTable->getColumn($newName); |
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} |
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} |
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} |
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if ($renamedColumnsDiff) { |
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SchemaManager::getInstance()->alterTable($renamedColumnsDiff); |
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// Refresh original table after renaming the columns |
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$this->originalTable = SchemaManager::getInstance()->listTableDetails($this->data['oldName']); |
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} |
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} |
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} |
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Codexshaper /
laravel-database-manager
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