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7 |
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 | } |