| 1: | <?php |
| 2: | |
| 3: | namespace Baril\Bonsai\Console; |
| 4: | |
| 5: | use Illuminate\Console\Command; |
| 6: | use Illuminate\Database\Eloquent\Model; |
| 7: | |
| 8: | class FixTreeCommand extends Command |
| 9: | { |
| 10: | protected $signature = 'bonsai:fix {model : The model class.}'; |
| 11: | protected $description = 'Rebuilds the closures for a given tree'; |
| 12: | |
| 13: | public function handle() |
| 14: | { |
| 15: | $model = $this->input->getArgument('model'); |
| 16: | if ( |
| 17: | !class_exists($model) |
| 18: | || !is_subclass_of($model, Model::class) |
| 19: | || !method_exists($model, 'getClosureTable') |
| 20: | ) { |
| 21: | $this->error('{model} must be a valid model class and use the BelongsToTree trait!'); |
| 22: | return; |
| 23: | } |
| 24: | |
| 25: | $this->rebuildClosures($model); |
| 26: | } |
| 27: | |
| 28: | protected function rebuildClosures($model) |
| 29: | { |
| 30: | $instance = new $model(); |
| 31: | $connection = $instance->getConnection(); |
| 32: | $connection->transaction(function () use ($instance, $connection) { |
| 33: | $table = $instance->getTable(); |
| 34: | $parentKey = $instance->getParentForeignKeyName(); |
| 35: | $primaryKey = $instance->getKeyName(); |
| 36: | $closureTable = $instance->getClosureTable(); |
| 37: | |
| 38: | |
| 39: | $connection->table($closureTable)->delete(); |
| 40: | |
| 41: | |
| 42: | $connection->insert(" |
| 43: | INSERT INTO $closureTable (ancestor_id, descendant_id, depth) |
| 44: | SELECT $primaryKey, $primaryKey, 0 FROM $table"); |
| 45: | |
| 46: | |
| 47: | $depth = 1; |
| 48: | $continue = true; |
| 49: | while ($continue) { |
| 50: | $connection->insert(" |
| 51: | INSERT INTO $closureTable (ancestor_id, descendant_id, depth) |
| 52: | SELECT closure_table.ancestor_id, main_table.$primaryKey, ? |
| 53: | FROM $table AS main_table |
| 54: | INNER JOIN $closureTable AS closure_table |
| 55: | ON main_table.$parentKey = closure_table.descendant_id |
| 56: | WHERE closure_table.depth = ?", [$depth, $depth - 1]); |
| 57: | $continue = (bool) $connection->table($closureTable)->where('depth', '=', $depth)->exists(); |
| 58: | $depth++; |
| 59: | } |
| 60: | }); |
| 61: | |
| 62: | $this->line("<info>Rebuilt the closures for:</info> $model"); |
| 63: | } |
| 64: | } |
| 65: | |