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| 1 | <?php |
| 2 | |
| 3 | namespace Baril\Bonsai\Console; |
| 4 | |
| 5 | use Illuminate\Console\Command; |
| 6 | use Illuminate\Database\Eloquent\Model; |
| 7 | |
| 8 | class ShowTreeCommand extends Command |
| 9 | { |
| 10 | protected $signature = 'bonsai:show {model : The model class.} |
| 11 | {--label= : The property to use as label.} |
| 12 | {--depth= : The depth limit.}'; |
| 13 | protected $description = 'Outputs the content of the table in tree form'; |
| 14 | |
| 15 | protected $model; |
| 16 | protected $label; |
| 17 | protected $currentDepth = 0; |
| 18 | protected $flags = []; |
| 19 | |
| 20 | public function handle() |
| 21 | { |
| 22 | $model = $this->input->getArgument('model'); |
| 23 | if ( |
| 24 | !class_exists($model) |
| 25 | || !is_subclass_of($model, Model::class) |
| 26 | || !method_exists($model, 'getClosureTable') |
| 27 | ) { |
| 28 | $this->error('{model} must be a valid model class and use the BelongsToTree trait!'); |
| 29 | return; |
| 30 | } |
| 31 | |
| 32 | $this->model = $model; |
| 33 | $this->label = $this->input->getOption('label'); |
| 34 | |
| 35 | $this->showTree($this->input->getOption('depth')); |
| 36 | } |
| 37 | |
| 38 | protected function showTree($depth) |
| 39 | { |
| 40 | $tree = $this->model::getTree($depth); |
| 41 | $count = count($tree); |
| 42 | foreach ($tree as $k => $node) { |
| 43 | $this->showNode($node, $k == $count - 1); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | protected function showNode($node, $isLast) |
| 48 | { |
| 49 | $this->flags[$this->currentDepth] = $isLast; |
| 50 | $line = ''; |
| 51 | for ($i = 0; $i < $this->currentDepth; $i++) { |
| 52 | $line .= $this->flags[$i] ? " " : "\u{2502} "; |
| 53 | } |
| 54 | $line .= ($isLast ? "\u{2514}" : "\u{251C}") . "\u{2500}<info> #" . $node->getKey() . '</info>'; |
| 55 | if ($this->label) { |
| 56 | $line .= ': ' . $node->{$this->label}; |
| 57 | } |
| 58 | $this->line($line); |
| 59 | if ($node->relationLoaded('children')) { |
| 60 | $this->currentDepth++; |
| 61 | $subCount = count($node->children); |
| 62 | foreach ($node->children as $k => $child) { |
| 63 | $this->showNode($child, $k == $subCount - 1); |
| 64 | } |
| 65 | $this->currentDepth--; |
| 66 | } |
| 67 | } |
| 68 | } |