BlockDifference.php
70 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\FormMigration\Concerns\Blocks; |
| 4 | |
| 5 | use Give\Framework\Blocks\BlockCollection; |
| 6 | use Give\Framework\Blocks\BlockModel; |
| 7 | |
| 8 | class BlockDifference |
| 9 | { |
| 10 | protected $blockLookup; |
| 11 | |
| 12 | protected $skip = []; |
| 13 | |
| 14 | protected $blockAddedCallback; |
| 15 | |
| 16 | protected $blockDifferenceCallback; |
| 17 | |
| 18 | public function __construct(BlockCollection $collection) { |
| 19 | $collection->walk(function(BlockModel $block) { |
| 20 | $this->blockLookup[$block->clientId] = $block; |
| 21 | }); |
| 22 | } |
| 23 | |
| 24 | public function skip(...$blockNames): self |
| 25 | { |
| 26 | $this->skip = array_merge($this->skip, $blockNames); |
| 27 | return $this; |
| 28 | } |
| 29 | |
| 30 | public function onBlockAdded(callable $callback): self |
| 31 | { |
| 32 | $this->blockAddedCallback = $callback; |
| 33 | return $this; |
| 34 | } |
| 35 | |
| 36 | public function onBlockDifference(callable $callback): self |
| 37 | { |
| 38 | $this->blockDifferenceCallback = $callback; |
| 39 | return $this; |
| 40 | } |
| 41 | |
| 42 | public function diff(BlockCollection $collection) |
| 43 | { |
| 44 | $collection->walk(function(BlockModel $block) { |
| 45 | if(in_array($block->name, $this->skip)) return; |
| 46 | |
| 47 | |
| 48 | if(!isset($this->blockLookup[$block->clientId])) { |
| 49 | call_user_func($this->blockAddedCallback, $block); |
| 50 | return; |
| 51 | } |
| 52 | |
| 53 | $differences = []; |
| 54 | foreach($block->getAttributes() as $key => $value) { |
| 55 | $previousValue = $this->blockLookup[$block->clientId]->getAttributes()[$key] ?? null; |
| 56 | if($previousValue !== $value) { |
| 57 | $differences[$key] = [ |
| 58 | 'previous' => $previousValue, |
| 59 | 'current' => $value, |
| 60 | ]; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | if($differences) { |
| 65 | call_user_func($this->blockDifferenceCallback, $block, $differences); |
| 66 | } |
| 67 | }); |
| 68 | } |
| 69 | } |
| 70 |